Apt-list


 * Future::Phrasebook (3pm)- coding examples for "Future" and "Future::Utils"
 * IO::Async::Channel (3pm)- pass values into or out from an IO::Async::Routine
 * IO::Async::Debug (3pm)- debugging control and support for IO::Async
 * IO::Async::File (3pm)- watch a file for changes
 * IO::Async::FileStream (3pm)- read the tail of a file
 * IO::Async::Handle (3pm)- event callbacks for a non-blocking file descriptor
 * IO::Async::OS::cygwin (3pm)- operating system abstractions on "cygwin" for "IO::Async"
 * IO::Async::Process (3pm)- start and manage a child process
 * IO::Async::Signal (3pm)- event callback on receipt of a POSIX signal
 * IO::Async::Timer::Periodic (3pm)- event callback at regular intervals
 * Test::Future::Deferred (3pm)- a future which completes later
 * adduser.conf - configuration file for adduser and addgroup.
 * anacrontab - configuration file for anacron
 * interfaces - network interface configuration for ifup and ifdown
 * updatedb.conf - a configuration file for updatedb
 * 2to3-2.7 - Python2 to Python3 converter
 * 30-systemd-environment-d-generator - Load variables specified by environment.d
 * 411toppm - convert Sony Mavica .411 image to ppm
 * 7z - A file archiver with high compression ratio format
 * 7za - A file archiver with high compression ratio format
 * 7zr - A file archiver with high compression ratio format
 * caiksaurus - English-language thesaurus
 * apparmor - kernel enhancement to confine programs to a limited set of resources.
 * baobab - A graphical tool to analyze disk usage
 * busybox - The Swiss Army Knife of Embedded Linux
 * Clone (3pm) - recursively copy Perl datatypes
 * Compose - X client mappings for multi-key input sequences
 * Dpkg (3perl) - module with core variables
 * enchant - a spellchecker
 * Error (3pm) - Error/exception handling in an OO-ish way
 * FD_CLR - synchronous I/O multiplexing
 * FD_ISSET - synchronous I/O multiplexing
 * FD_SET - synchronous I/O multiplexing
 * FD_ZERO - synchronous I/O multiplexing
 * Font::TTF::Woff (3pm)- holds Web Open Font File (WOFF) data for the font
 * Git (3pm) - Perl interface to the Git version control system
 * gnupg - The GNU Privacy Guard suite of programs
 * gufw - Graphic user interface for managing ufw
 * HEAD (1p) - Simple command line user agent
 * hexchat - IRC Client
 * MAKEDEV - create devices
 * metacity-message - a command to send a message to Metacity
 * muffin-message - a command to send a message to Muffin
 * Mail - send and receive mail
 * Mojo (3pm) - Web development toolkit
 * NAN - floating-point constants
 * neofetch - A fast, highly customizable system info script
 * optipng - Optimize Portable Network Graphics files
 * PAM - Pluggable Authentication Modules for Linux
 * RAND (7ssl) - the OpenSSL random generator
 * UPower - System-wide Power Management
 * URI (3pm) - Uniform Resource Identifiers (absolute and relative)
 * VBoxHeadless - x86 virtualization solution
 * VBoxManage - x86 virtualization solution
 * VBoxSDL - x86 virtualization solution
 * VirtualBox - x86 virtualization solution
 * wget - The non-interactive network downloader.
 * xed - The Text Editor
 * Xorg.wrap - Xorg X server binary wrapper
 * [ - check file types and compare values
 * _Exit - terminate the calling process
 * __after_morecore_hook - malloc debugging variables
 * __clone2 - create a child process
 * __fbufsize - interfaces to stdio FILE structure
 * __flbf - interfaces to stdio FILE structure
 * __fpending - interfaces to stdio FILE structure
 * __fpurge - purge a stream
 * __freadable - interfaces to stdio FILE structure
 * __freading - interfaces to stdio FILE structure
 * __free_hook - malloc debugging variables
 * __fsetlocking - interfaces to stdio FILE structure
 * __fwritable - interfaces to stdio FILE structure
 * __fwriting - interfaces to stdio FILE structure
 * __malloc_hook - malloc debugging variables
 * __malloc_initialize_hook - malloc debugging variables
 * __memalign_hook - malloc debugging variables
 * __ppc_get_timebase - get the current value of the Time Base Register on Power archite...
 * __ppc_get_timebase_freq - get the current value of the Time Base Register on Power ar...
 * __ppc_mdoio - Hint the processor to release shared resources
 * __ppc_mdoom - Hint the processor to release shared resources
 * __ppc_set_ppr_low - Set the Program Priority Register
 * __ppc_set_ppr_med - Set the Program Priority Register
 * __ppc_set_ppr_med_high - Set the Program Priority Register
 * __ppc_set_ppr_med_low - Set the Program Priority Register
 * __ppc_set_ppr_very_low - Set the Program Priority Register
 * __ppc_yield - Hint the processor to release shared resources
 * __realloc_hook - malloc debugging variables
 * __setfpucw - set FPU control word on i386 architecture (obsolete)
 * _exit - terminate the calling process
 * _flushlbf - interfaces to stdio FILE structure
 * _llseek - reposition read/write file offset
 * _newselect - synchronous I/O multiplexing
 * _syscall - invoking a system call without library support (OBSOLETE)
 * a2disconf - enable or disable an apache2 configuration file
 * a2dismod - enable or disable an apache2 module
 * a2dissite - enable or disable an apache2 site / virtual host
 * a2enconf - enable or disable an apache2 configuration file
 * a2enmod - enable or disable an apache2 module
 * a2ensite - enable or disable an apache2 site / virtual host
 * a2query - retrieve runtime configuration from a local Apache 2 HTTP server
 * a64l - convert between long and base-64
 * aa-enabled - test whether AppArmor is enabled
 * aa-exec - confine a program with the specified AppArmor profile
 * aa-remove-unknown - remove unknown AppArmor profiles
 * aa-status - display various information about the current AppArmor policy.
 * aa-teardown - unload all AppArmor profiles
 * ab - Apache HTTP server benchmarking tool
 * abcde - Grab an entire CD and compress it to Ogg/Vorbis, MP3, FLAC, Ogg/Sp...
 * abiword - flexible cross-platform word processor
 * abort - cause abnormal process termination
 * abs - compute the absolute value of an integer
 * ac - print statistics about users' connect time
 * access - check user's permissions for a file
 * access - Postfix SMTP server access table
 * access.conf - the login access control table file
 * accessdb - dumps the content of a man-db database in a human readable format
 * acct - switch process accounting on or off
 * acct - process accounting file
 * accton - turns process accounting on or off
 * acl - Access Control Lists
 * aclocal - manual page for aclocal 1.16.1
 * aclocal-1.16 - manual page for aclocal 1.16.1
 * aconnect - ALSA sequencer connection manager
 * acos - arc cosine function
 * acosf - arc cosine function
 * acosl - arc cosine function
 * acpi_listen - ACPI event listener
 * acpid - Advanced Configuration and Power Interface event daemon
 * acyclic - make directed graph acyclic
 * add-apt-key - Command line tool to add GPG keys to the APT keyring
 * add-apt-repository - Adds a repository into the /etc/apt/sources.list or /etc/apt/sou...
 * add-shell - add shells to the list of valid login shells
 * add_key - add a key to the kernel's key management facility
 * addgnupghome - Create .gnupg home directories
 * addgroup - add a user or group to the system
 * addmntent - get filesystem descriptor file entry
 * addr2line - convert addresses into file names and line numbers
 * address_families - socket address families (domains)
 * addseverity - introduce new severity classes
 * adduser - add a user or group to the system
 * adjtime - correct the time to synchronize the system clock
 * adjtime_config - information about hardware clock setting and drift factor
 * adjtimex - tune kernel clock
 * afs_syscall - unimplemented system calls
 * agetty - alternative Linux getty
 * aiksaurus - English-language thesaurus
 * aio_cancel - cancel an outstanding asynchronous I/O request
 * aio_error - get error status of asynchronous I/O operation
 * aio_fsync - asynchronous file synchronization
 * aio_init - asynchronous I/O initialization
 * aio_return - get return status of asynchronous I/O operation
 * aio_suspend - wait for asynchronous I/O operation or timeout
 * alarm - set an alarm clock for delivery of a signal
 * aliases - Postfix local alias database format
 * alien (1p) - Convert or install an alien binary package
 * Alien::Package (3pm)- an object that represents a package
 * Alien::Package::Deb (3pm)- an object that represents a deb package
 * Alien::Package::Lsb (3pm)- an object that represents a lsb package
 * Alien::Package::Pkg (3pm)- an object that represents a Solaris pkg package
 * Alien::Package::Rpm (3pm)- an object that represents a rpm package
 * Alien::Package::Slp (3pm)- an object that represents a slp package
 * Alien::Package::Tgz (3pm)- an object that represents a tgz package
 * aligned_alloc - allocate aligned memory
 * alloc_hugepages - allocate or free huge pages
 * alloca - allocate memory that is automatically freed
 * alphasort - scan a directory for matching entries
 * alsa-info - command-line utility to gather information about the ALSA subsystem
 * alsabat - command-line sound tester for ALSA sound card driver
 * alsactl - advanced controls for ALSA soundcard driver
 * alsactl_init - alsa control management- initialization
 * alsaloop - command-line PCM loopback
 * alsamixer - soundcard mixer for ALSA soundcard driver, with ncurses interface
 * alsatplg - ALSA Topology Compiler
 * alsaucm - ALSA Use Case Manager
 * amdgpu - AMD RADEON GPU video driver
 * american-english - a list of English words
 * amidi - read from and write to ALSA RawMIDI ports
 * amixer - command-line mixer for ALSA soundcard driver
 * anacron - runs commands periodically
 * animate - animates an image or image sequence on any X server.
 * animate-im6 - animates an image or image sequence on any X server.
 * animate-im6.q16 - animates an image or image sequence on any X server.
 * anvil (8postfix) - Postfix session count and request rate control
 * anytopnm - attempt to convert an unknown type of image file to a portable anymap
 * apache2 - Apache Hypertext Transfer Protocol Server
 * apache2ctl - Apache HTTP server control interface
 * apachectl - Apache HTTP server control interface
 * apg - generates several random passwords
 * apgbfm - APG Bloom filter management program
 * aplay - command-line sound recorder and player for ALSA soundcard driver
 * aplaymidi - play Standard MIDI Files
 * apparmor.d - syntax of security profiles for AppArmor.
 * apparmor.vim - vim syntax highlighting file for AppArmor profiles
 * apparmor_parser - loads AppArmor profiles into the kernel
 * apparmor_status - display various information about the current AppArmor policy.
 * applygnupgdefaults - Run gpgconf--apply-defaults for all users.
 * appres - list X application resource database
 * appstreamcli - Handle AppStream metadata formats and query AppStream data
 * apropos - search the manual page names and descriptions
 * apt - command-line interface
 * apt-add-repository - Adds a repository into the /etc/apt/sources.list or /etc/apt/sou...
 * apt-cache - query the APT cache
 * apt-cdrom - APT CD-ROM management utility
 * apt-clone - manual page for apt-clone 0.2
 * apt-config - APT Configuration Query program
 * apt-extracttemplates - Utility to extract debconf config and templates from Debian pa...
 * apt-ftparchive - Utility to generate index files
 * apt-get - APT package handling utility-- command-line interface
 * apt-key - APT key management utility
 * apt-mark - show, set and unset various settings for a package
 * apt-patterns - Syntax and semantics of apt search patterns
 * apt-secure - Archive authentication support for APT
 * apt-sortpkgs - Utility to sort package index files
 * apt-transport-http - APT transport for downloading via the Hypertext Transfer Protoco...
 * apt-transport-https - APT transport for downloading via the HTTP Secure protocol (HTTPS)
 * apt-transport-mirror - APT transport for more automated mirror selection
 * apt.conf - Configuration file for APT
 * apt_auth.conf - Login configuration file for APT sources and proxies
 * apt_preferences - Preference control file for APT
 * aptd - package managing daemon proving a D-Bus interface
 * aptdcon - command line client for aptdaemon
 * aptitude - high-level interface to the package manager
 * aptitude-create-state-bundle - bundle the current aptitude state
 * aptitude-curses - high-level interface to the package manager
 * aptitude-run-state-bundle - unpack an aptitude state bundle and invoke aptitude on it
 * AptPkg (3pm) - interface to libapt-pkg
 * AptPkg::Cache (3pm) - APT package cache interface
 * AptPkg::Config (3pm)- APT configuration interface
 * AptPkg::hash (3pm) - a helper class for implementing tied hashes
 * AptPkg::PkgRecords (3pm)- APT package description class
 * AptPkg::Policy (3pm)- APT package version policy class
 * AptPkg::Source (3pm)- APT source package interface
 * AptPkg::System (3pm)- APT system abstraction class
 * AptPkg::Version (3pm)- APT package versioning class
 * apturl - graphical apt-protocol interpreting package installer
 * apturl-gtk - graphical apt-protocol interpreting package installer
 * ar - create, modify, and extract from archives
 * arch - print machine hardware name (same as uname-m)
 * arch_prctl - set architecture-specific thread state
 * archdetect - detect hardware architecture
 * Archive::Cpio (3pm) - module for manipulations of cpio archives
 * Archive::Zip (3pm) - Provide an interface to ZIP archive files.
 * Archive::Zip::FAQ (3pm)- Answers to a few frequently asked questions about Archive::Zip
 * Archive::Zip::MemberRead (3pm)- A wrapper that lets you read Zip archive members as if t...
 * Archive::Zip::Tree (3pm)- (DEPRECATED) methods for adding/extracting trees using Archive...
 * arecord - command-line sound recorder and player for ALSA soundcard driver
 * arecordmidi - record Standard MIDI Files
 * argz - functions to handle an argz list
 * argz_add - functions to handle an argz list
 * argz_add_sep - functions to handle an argz list
 * argz_append - functions to handle an argz list
 * argz_count - functions to handle an argz list
 * argz_create - functions to handle an argz list
 * argz_create_sep - functions to handle an argz list
 * argz_delete - functions to handle an argz list
 * argz_extract - functions to handle an argz list
 * argz_insert - functions to handle an argz list
 * argz_next - functions to handle an argz list
 * argz_replace - functions to handle an argz list
 * argz_stringify - functions to handle an argz list
 * arm2hpdl - Add HP download header/trailer to an ARM ELF binary.
 * arm_fadvise - predeclare an access pattern for file data
 * arm_fadvise64_64 - predeclare an access pattern for file data
 * arm_sync_file_range - sync a file segment with disk
 * armscii-8 - Armenian character set encoded in octal, decimal, and hexadecimal
 * arp - manipulate the system ARP cache
 * arpd - userspace arp daemon.
 * arping - send ARP REQUEST to a neighbour host
 * arptables-nft - ARP table administration (nft-based)
 * arptables-nft-restore - Restore ARP Tables (nft-based)
 * arptables-nft-save - dump arptables rules to stdout (nft-based)
 * as - the portable GNU assembler.
 * ascii - ASCII character set encoded in octal, decimal, and hexadecimal
 * asciitopgm - convert ASCII graphics into a portable graymap
 * asctime - transform date and time to broken-down time or ASCII
 * asctime_r - transform date and time to broken-down time or ASCII
 * aseqdump - show the events received at an ALSA sequencer port
 * aseqnet - ALSA sequencer connectors over network
 * asin - arc sine function
 * asinf - arc sine function
 * asinl - arc sine function
 * asn1parse (1ssl) - ASN.1 parsing tool
 * aspell - interactive spell checker
 * aspell-autobuildhash - Autobuilding aspell hash files for some dicts
 * aspell-import - import old personal dictionaries into GNU Aspell
 * asprintf - print to allocated string
 * assert - abort the program if assertion is false
 * assert_perror - test errnum and abort
 * asymmetric-key - Kernel key type for holding asymmetric keys
 * atan - arc tangent function
 * atan2 - arc tangent function of two variables
 * atan2f - arc tangent function of two variables
 * atan2l - arc tangent function of two variables
 * atanf - arc tangent function
 * atanh - inverse hyperbolic tangent function
 * atanhf - inverse hyperbolic tangent function
 * atanhl - inverse hyperbolic tangent function
 * atanl - arc tangent function
 * atexit - register a function to be called at normal process termination
 * ati - ATI video driver
 * atktopbm - convert Andrew Toolkit raster object to portable bitmap
 * atobm - bitmap editor and converter utilities for the X Window System
 * atof - convert a string to a double
 * atoi - convert a string to an integer
 * atol - convert a string to an integer
 * atoll - convert a string to an integer
 * atoq - convert a string to an integer
 * attr - extended attributes on filesystem objects
 * attr - Extended attributes
 * attributes - POSIX safety concepts
 * auth_destroy - library routines for remote procedure calls
 * Authen::SASL (3pm) - SASL Authentication framework
 * Authen::SASL::Perl (3pm)-- Perl implementation of the SASL Authentication framework
 * Authen::SASL::Perl::ANONYMOUS (3pm)- Anonymous Authentication class
 * Authen::SASL::Perl::CRAM_MD5 (3pm)- CRAM MD5 Authentication class
 * Authen::SASL::Perl::DIGEST_MD5 (3pm)- Digest MD5 Authentication class
 * Authen::SASL::Perl::EXTERNAL (3pm)- External Authentication class
 * Authen::SASL::Perl::GSSAPI (3pm)- GSSAPI (Kerberosv5) Authentication class
 * Authen::SASL::Perl::LOGIN (3pm)- Login Authentication class
 * Authen::SASL::Perl::PLAIN (3pm)- Plain Login Authentication class
 * authnone_create - library routines for remote procedure calls
 * authunix_create - library routines for remote procedure calls
 * authunix_create_default - library routines for remote procedure calls
 * autoconf - Generate configuration scripts
 * autoheader - Create a template header for configure
 * autom4te - Generate files and scripts thanks to M4
 * automake - manual page for automake 1.16.1
 * automake-1.16 - manual page for automake 1.16.1
 * autopoint - copies standard gettext infrastructure
 * autoreconf - Update generated configuration files
 * autoscan - Generate a preliminary configure.in
 * autoupdate - Update a configure.in to a newer Autoconf
 * avahi-autoipd - IPv4LL network address configuration daemon
 * avahi-autoipd.action - avahi-autoipd action script
 * avahi-browse - Browse for mDNS/DNS-SD services using the Avahi daemon
 * avahi-browse-domains - Browse for mDNS/DNS-SD services using the Avahi daemon
 * avahi-daemon - The Avahi mDNS/DNS-SD daemon
 * avahi-daemon.conf - avahi-daemon configuration file
 * avahi-publish - Register an mDNS/DNS-SD service or host name or address mapping us...
 * avahi-publish-address - Register an mDNS/DNS-SD service or host name or address mappi...
 * avahi-publish-service - Register an mDNS/DNS-SD service or host name or address mappi...
 * avahi-resolve - Resolve one or more mDNS/DNS host name to IP address(es) (and v...
 * avahi-resolve-address - Resolve one or more mDNS/DNS host name to IP address(es) (...
 * avahi-resolve-host-name - Resolve one or more mDNS/DNS host name to IP address(es)...
 * avahi-set-host-name - Change mDNS host name
 * avahi.hosts - avahi-daemon static host name file
 * avahi.service - avahi-daemon static service file
 * awk - pattern scanning and processing language
 * axfer - command-line sound recorder and player for sound devices and nodes...
 * axfer-list - dump lists of available sound devices and nodes to transfer audio ...
 * axfer-transfer - transferrer of audio data frame for sound devices and nodes.
 * b2sum - compute and check BLAKE2 message digest
 * B::Hooks::EndOfScope (3pm)- Execute code after a scope finished compilation
 * B::Hooks::EndOfScope::PP (3pm)- Execute code after a scope finished compilation- PP imp...
 * B::Hooks::EndOfScope::XS (3pm)- Execute code after a scope finished compilation- XS imp...
 * B::Hooks::OP::Check (3pm)- Wrap OP check callbacks
 * backend - cups backend transmission interfaces
 * backtrace - support for application self-debugging
 * backtrace_symbols - support for application self-debugging
 * backtrace_symbols_fd - support for application self-debugging
 * badblocks - search a device for bad blocks
 * base32 - base32 encode/decode data and print to standard output
 * base64 - base64 encode/decode data and print to standard output
 * basename - strip directory and suffix from filenames
 * basename - parse pathname components
 * bash - GNU Bourne-Again SHell
 * bash-builtins - bash built-in commands, see bash
 * bashbug - report a bug in bash
 * bc - An arbitrary precision calculator language
 * bccmd - Utility for the CSR BCCMD interface
 * bcmp - compare byte sequences
 * bcomps - biconnected components filter for graphs
 * bcopy - copy byte sequence
 * bdflush - start, flush, or tune buffer-dirty-flush daemon
 * bdftopcf - convert X font from Bitmap Distribution Format to Portable Compile...
 * bdftruncate - generate truncated BDF font from ISO 10646-1-encoded BDF font
 * be16toh - convert values between host and big-/little-endian byte order
 * be32toh - convert values between host and big-/little-endian byte order
 * be64toh - convert values between host and big-/little-endian byte order
 * tc-pfifo - Packet limited First In, First Out queue
 * bind_textdomain_codeset - set encoding of message translations
 * bindresvport - bind a socket to a privileged IP port
 * bindtextdomain - set directory containing message catalogs
 * binfmt.d - Configure additional binary formats for executables at boot
 * bioradtopgm - convert a Biorad confocal file into a portable graymap
 * biosdecode - BIOS information decoder
 * bison - GNU Project parser generator (yacc replacement)
 * bison.yacc - GNU Project parser generator
 * bitmap - bitmap editor and converter utilities for the X Window System
 * blkdeactivate - utility to deactivate block devices
 * blkdiscard - discard sectors on a device
 * blkid - locate/print block device attributes
 * blkzone - run zone command on a device
 * blockdev - call block device ioctls from the command line
 * bluemoon - Bluemoon configuration utility
 * bluetooth-sendto - GTK application for transferring files over Bluetooth
 * bluetoothctl - interactive bluetooth control tool
 * bluetoothd - Bluetooth daemon
 * bmptopnm - convert a BMP file into a portable anymap
 * bmptoppm - convert a BMP file into a portable anymap
 * bmtoa - bitmap editor and converter utilities for the X Window System
 * body_checks - Postfix built-in content inspection
 * boltctl - control the thunderbolt device manger
 * boltd - thunderbolt device managing system daemon
 * boot - System bootup process based on UNIX System V Release 4
 * bootctl - Control the firmware and boot manager settings
 * bootparam - introduction to boot time parameters of the Linux kernel
 * bootup - System bootup process
 * botti - Run an irssi module, such as a bot, without a UI
 * bounce - Postfix bounce message template format
 * bounce (8postfix) - Postfix delivery status reports
 * bpf - perform a command on an extended BPF map or program
 * break - unimplemented system calls
 * bridge - show / manipulate bridge addresses and devices
 * british-english - a list of English words
 * brk - change data segment size
 * brltty - refreshable braille display driver for Linux/Unix
 * broadwayd - Broadway display server
 * brushtopbm - convert a doodle brush file into a portable bitmap
 * bsd-from - print names of those who have sent mail
 * bsd-mailx - send and receive mail
 * bsd-write - send a message to another user
 * bsd_signal - signal handling with BSD semantics
 * bsearch - binary search of a sorted array
 * bstring - byte string operations
 * bt-adapter - a bluetooth adapter manager
 * bt-agent - a bluetooth agent
 * bt-device - a bluetooth device manager
 * bt-network - a bluetooth network manager
 * bt-obex - a bluetooth OBEX client/server
 * btattach - attach serial devices to BlueZ stack
 * btmgmt - A command-line interface of BlueZ for management Usage:
 * btmon - Bluetooth monitor
 * btowc - convert single byte to wide character
 * btree - btree database access method
 * btrfs - topics about the BTRFS filesystem (mount options, supported file a...
 * btrfs - a toolbox to manage btrfs filesystems
 * btrfs-balance - balance block groups on a btrfs filesystem
 * btrfs-check - check or repair a btrfs filesystem
 * btrfs-convert - convert from ext2/3/4 or reiserfs filesystem to btrfs in-place
 * btrfs-device - manage devices of btrfs filesystems
 * btrfs-filesystem - command group that primarily does work on the whole filesystems
 * btrfs-find-root - filter to find btrfs root
 * btrfs-image - create/restore an image of the filesystem
 * btrfs-inspect-internal - query various internal information
 * btrfs-map-logical - map btrfs logical extent to physical extent
 * btrfs-property - get/set/list properties for given filesystem object
 * btrfs-qgroup - control the quota group of a btrfs filesystem
 * btrfs-quota - control the global quota status of a btrfs filesystem
 * btrfs-replace - replace devices managed by btrfs with other device.
 * btrfs-rescue - Recover a damaged btrfs filesystem
 * btrfs-restore - try to restore files from a damaged btrfs filesystem image
 * btrfs-scrub - scrub btrfs filesystem, verify block checksums
 * btrfs-select-super - overwrite primary superblock with a backup copy
 * btrfs-send - generate a stream of changes between two subvolume snapshots
 * btrfs-subvolume - manage btrfs subvolumes
 * btrfsck - check or repair a btrfs filesystem
 * btrfstune - tune various filesystem parameters
 * builtins - bash built-in commands, see bash
 * bunzip2 - a block-sorting file compressor, v1.0.8
 * bwbasic - Bywater BASIC interpreter/shell
 * byteorder - convert values between host and network byte order
 * bzcat - decompresses files to stdout
 * bzcmp - compare bzip2 compressed files
 * bzdiff - compare bzip2 compressed files
 * bzegrep - search possibly bzip2 compressed files for a regular expression
 * bzero - zero a byte string
 * bzexe - compress executable files in place
 * bzfgrep - search possibly bzip2 compressed files for a regular expression
 * bzgrep - search possibly bzip2 compressed files for a regular expression
 * bzip2 - a block-sorting file compressor, v1.0.8
 * bzip2recover - recovers data from damaged bzip2 files
 * bzless - file perusal filter for crt viewing of bzip2 compressed text
 * bzmore - file perusal filter for crt viewing of bzip2 compressed text
 * c++ - GNU project C and C++ compiler
 * c++filt - demangle C++ and Java symbols
 * c89 - ANSI (1989) C compiler
 * c89-gcc - ANSI (1989) C compiler
 * c99 - ANSI (1999) C compiler
 * c99-gcc - ANSI (1999) C compiler
 * c_rehash (1ssl) - Create symbolic links to files named by the hash values
 * ca (1ssl) - sample minimal CA application
 * CA.pl (1ssl) - friendlier interface for OpenSSL certificate programs
 * cabextract - program to extract files from Microsoft cabinet (.cab) archives
 * cacademo - libcaca's demonstration applications
 * cacafire - libcaca's demonstration applications
 * cacaplay - play libcaca files
 * cacaserver - telnet server for libcaca
 * cacaview - ASCII image browser
 * cacheflush - flush contents of instruction and/or data cache
 * cacos - complex arc cosine
 * cacosf - complex arc cosine
 * cacosh - complex arc hyperbolic cosine
 * cacoshf - complex arc hyperbolic cosine
 * cacoshl - complex arc hyperbolic cosine
 * cacosl - complex arc cosine
 * Cairo (3pm) - Perl interface to the cairo 2d vector graphics library
 * Cairo::GObject (3pm)- Integrate Cairo into the Glib type system
 * cal - displays a calendar and the date of Easter
 * calcurse - terminal-based organizer for interactive and command line use
 * calendar - reminder service
 * calibrate_ppa - pnm2ppa calibration tool
 * calibre - calibre
 * calibre-customize - calibre-customize
 * calibre-debug - calibre-debug
 * calibre-server - calibre-server
 * calibre-smtp - calibre-smtp
 * calibredb - calibredb
 * calloc - allocate and free dynamic memory
 * callrpc - library routines for remote procedure calls
 * canberra-gtk-play - play a sound event
 * cancel - cancel jobs
 * canonical - Postfix canonical table format
 * canonicalize_file_name - return the canonicalized absolute pathname
 * capability.conf - configuration file for the pam_cap module
 * capget - set/get capabilities of thread
 * capset - set/get capabilities of thread
 * capsh - capability shell wrapper
 * captoinfo - convert a termcap description into a terminfo description
 * Capture::Tiny (3pm) - Capture STDOUT and STDERR from Perl, XS or external programs
 * carg - calculate the complex argument
 * cargf - calculate the complex argument
 * cargl - calculate the complex argument
 * casin - complex arc sine
 * casinf - complex arc sine
 * casinh - complex arc sine hyperbolic
 * casinhf - complex arc sine hyperbolic
 * casinhl - complex arc sine hyperbolic
 * casinl - complex arc sine
 * casper - a hook for initramfs-tools to boot live systems.
 * casper-snapshot - a simple script to ease persistence usage.
 * cat - concatenate files and print on the standard output
 * catan - complex arc tangents
 * catanf - complex arc tangents
 * catanh - complex arc tangents hyperbolic
 * catanhf - complex arc tangents hyperbolic
 * catanhl - complex arc tangents hyperbolic
 * catanl - complex arc tangents
 * catchsegv - Catch segmentation faults in programs
 * catclose - open/close a message catalog
 * catgets - get message from a message catalog
 * catman - create or update the pre-formatted manual pages
 * catopen - open/close a message catalog
 * cbc_crypt - fast DES encryption
 * cbrt - cube root function
 * cbrtf - cube root function
 * cbrtl - cube root function
 * cc - GNU project C and C++ compiler
 * ccomps - connected components filter for graphs
 * cd-create-profile - Color Manager Profile Creation Tool
 * cd-discid - read CD and get CDDB discid information
 * cd-fix-profile - Color Manager Testing Tool
 * cd-it8 - Color Manager Testing Tool
 * cddb-tool - Get CDDB information
 * cdparanoia - an audio CD reading utility which includes extra data verification...
 * cdrecord - write data to optical disk media
 * cdw - front-end for cdrecord, mkisofs, growisofs, mkudffs and other tools
 * ceil - ceiling function: smallest integral value not less than argument
 * ceilf - ceiling function: smallest integral value not less than argument
 * ceill - ceiling function: smallest integral value not less than argument
 * celluloid - A simple GTK+ frontend for mpv
 * cexp - complex exponential function
 * cexp2 - base-2 exponent of a complex number
 * cexp2f - base-2 exponent of a complex number
 * cexp2l - base-2 exponent of a complex number
 * cexpf - complex exponential function
 * cexpl - complex exponential function
 * cfdisk - display or manipulate a disk partition table
 * cfgetispeed - get and set terminal attributes, line control, get and set baud rate
 * cfgetospeed - get and set terminal attributes, line control, get and set baud rate
 * cfmakeraw - get and set terminal attributes, line control, get and set baud rate
 * cfree - free allocated memory
 * cfsetispeed - get and set terminal attributes, line control, get and set baud rate
 * cfsetospeed - get and set terminal attributes, line control, get and set baud rate
 * cfsetspeed - get and set terminal attributes, line control, get and set baud rate
 * cgdisk - Curses-based GUID partition table (GPT) manipulator
 * CGI (3pm) - Handle Common Gateway Interface requests and responses
 * CGI::Carp (3pm) - CGI routines for writing to the HTTPD (or other) error log
 * CGI::Cookie (3pm) - Interface to HTTP Cookies
 * CGI::Fast (3pm) - CGI Interface for Fast CGI
 * CGI::HTML::Functions (3pm)- Documentation for CGI.pm Legacy HTML Functionality
 * CGI::Pretty (3pm) - module to produce nicely formatted HTML code
 * CGI::Push (3pm) - Simple Interface to Server Push
 * CGI::Util (3pm) - Internal utilities used by CGI module
 * tc-cgroup - control group based traffic control filter
 * cgroup_namespaces - overview of Linux cgroup namespaces
 * cgroups - Linux control groups
 * chacl - change the access control list of a file or directory
 * chage - change user password expiry information
 * chardet3 - universal character encoding detector
 * chardetect3 - universal character encoding detector
 * charmap - Unicode character picker and font browser
 * charmap - character set description file
 * charsets - character set standards and internationalization
 * chat - Automated conversational script with a modem
 * chattr - change file attributes on a Linux file system
 * chcon - change file security context
 * chcpu - configure CPUs
 * chdir - change working directory
 * check_forensic - tool to extract mod_log_forensic output from apache log files
 * checkgid - checks the gid
 * chfn - change real user name and information
 * chgpasswd - update group passwords in batch mode
 * chgrp - change group ownership
 * chmem - configure memory
 * chmod - change file mode bits
 * chmod - change permissions of a file
 * choom - display and adjust OOM-killer score.
 * chown - change file owner and group
 * chown - change ownership of a file
 * chown32 - change ownership of a file
 * chpasswd - update passwords in batch mode
 * chromium - the web browser from Google
 * chronic - runs a command quietly unless it fails
 * chroot - change root directory
 * chroot - run command or interactive shell with special root directory
 * chrt - manipulate the real-time attributes of a process
 * chsh - change login shell
 * chvt - change foreground virtual terminal
 * cidr_table - format of Postfix CIDR tables
 * cifs.idmap - Userspace helper for mapping ids for Common Internet File System (...
 * cifs.upcall - Userspace upcall helper for Common Internet File System (CIFS)
 * cifscreds - manage NTLM credentials in kernel keyring
 * cifsdd - convert and copy a file over SMB
 * cimag - get imaginary part of a complex number
 * cimagf - get imaginary part of a complex number
 * cimagl - get imaginary part of a complex number
 * cinnamon - desktop
 * cinnamon-launcher - Start or restart a cinnamon session
 * cinnamon-menu-editor - Editor for the panel menu
 * cinnamon-session - Start the GNOME desktop environment
 * cinnamon-session-quit - End the current GNOME session
 * cinnamon-settings - Configuration panel for cinnamon
 * cinnamon2d - desktop
 * ciphers (1ssl) - SSL cipher display and cipher list tool
 * ciptool - Bluetooth Common ISDN Access Profile (CIP)
 * CIRCLEQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail que...
 * CIRCLEQ_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail qu...
 * CIRCLEQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queu...
 * CIRCLEQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queu...
 * CIRCLEQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * circo - filter for circular layout of graphs
 * cjpeg - compress an image file to a JPEG file
 * ckbcomp - compile a XKB keyboard description to a keymap suitable for loadke...
 * cksum - checksum and count the bytes in a file
 * Class::Accessor (3pm)- Automated accessor generation
 * Class::Accessor::Fast (3pm)- Faster, but less expandable, accessors
 * Class::Accessor::Faster (3pm)- Even faster, but less expandable, accessors
 * Class::Method::Modifiers (3pm)- Provides Moose-like method modifiers
 * Class::XSAccessor (3pm)- Generate fast XS accessors without runtime compilation
 * Class::XSAccessor::Array (3pm)- Generate fast XS accessors without runtime compilation
 * Class::XSAccessor::Heavy (3pm)- Guts you don't care about
 * classes.conf - class configuration file for cups
 * cleanup (8postfix) - canonicalize and enqueue Postfix message
 * clear_console - clear the console
 * clearenv - clear the environment
 * clearerr - check and reset stream status
 * clearerr_unlocked - nonlocking stdio functions
 * cli - Mono's ECMA-CLI native code generator (Just-in-Time and Ahead-of-T...
 * cli-gacutil - Global Assembly Cache management utility.
 * cli-wrapper - No manpage for this program.
 * client.conf - client configuration file for cups (deprecated on macos)
 * clnt_broadcast - library routines for remote procedure calls
 * clnt_call - library routines for remote procedure calls
 * clnt_control - library routines for remote procedure calls
 * clnt_create - library routines for remote procedure calls
 * clnt_destroy - library routines for remote procedure calls
 * clnt_freeres - library routines for remote procedure calls
 * clnt_geterr - library routines for remote procedure calls
 * clnt_pcreateerror - library routines for remote procedure calls
 * clnt_perrno - library routines for remote procedure calls
 * clnt_perror - library routines for remote procedure calls
 * clnt_spcreateerror - library routines for remote procedure calls
 * clnt_sperrno - library routines for remote procedure calls
 * clnt_sperror - library routines for remote procedure calls
 * clntraw_create - library routines for remote procedure calls
 * clnttcp_create - library routines for remote procedure calls
 * clntudp_bufcreate - library routines for remote procedure calls
 * clntudp_create - library routines for remote procedure calls
 * clock - determine processor time
 * clock_getcpuclockid - obtain ID of a process CPU-time clock
 * clock_getres - clock and time functions
 * clock_getres - clock and time functions
 * clock_gettime - clock and time functions
 * clock_gettime - clock and time functions
 * clock_nanosleep - high-resolution sleep with specifiable clock
 * clock_settime - clock and time functions
 * clock_settime - clock and time functions
 * clog - natural logarithm of a complex number
 * clog10 - base-10 logarithm of a complex number
 * clog10f - base-10 logarithm of a complex number
 * clog10l - base-10 logarithm of a complex number
 * clog2 - base-2 logarithm of a complex number
 * clog2f - base-2 logarithm of a complex number
 * clog2l - base-2 logarithm of a complex number
 * clogf - natural logarithm of a complex number
 * clogl - natural logarithm of a complex number
 * clone - create a child process
 * clone2 - create a child process
 * clone3 - create a child process
 * close - close a file descriptor
 * closedir - close a directory
 * closelog - send messages to the system logger
 * cluster - find clusters in a graph and augment the graph with this information.
 * cmsg - access ancillary data
 * CMSG_ALIGN - access ancillary data
 * CMSG_DATA - access ancillary data
 * CMSG_FIRSTHDR - access ancillary data
 * CMSG_LEN - access ancillary data
 * CMSG_NXTHDR - access ancillary data
 * CMSG_SPACE - access ancillary data
 * cmus - C* Music Player
 * cmus-tutorial - C* Music Player tutorial
 * cmus-remote - control cmus
 * cmuwmtopbm - convert a CMU window manager bitmap into a portable bitmap
 * codepage - extract a codepage from an MSDOS codepage file
 * col - filter reverse line feeds from input
 * colcrt - filter nroff output for CRT previewing
 * colorit - a script for markuping the text input
 * colormgr - Color Manager Testing Tool
 * colrm - remove columns from a file
 * column - columnate lists
 * combine - combine sets of lines from two files using boolean operations
 * combinediff - create a cumulative unified patch from two incremental patches
 * comm - compare two sorted files line by line
 * common::sense (3pm) - save a tree AND a kitten, use common::sense!
 * compare - mathematically and visually annotate the difference between an ima...
 * compare-im6 - mathematically and visually annotate the difference between an ima...
 * compare-im6.q16 - mathematically and visually annotate the difference between an ima...
 * complex - basics of complex mathematics
 * compose - execute programs via entries in the mailcap file
 * composite - overlaps one image over another.
 * composite-im6 - overlaps one image over another.
 * composite-im6.q16 - overlaps one image over another.
 * concalc - console calculator
 * config (5ssl) - OpenSSL CONF library configuration files
 * config.guess - guess the build system triplet
 * config.sub - validate and canonicalize a configuration triplet
 * confstr - get configuration dependent string variables
 * conj - calculate the complex conjugate
 * conjf - calculate the complex conjugate
 * conjl - calculate the complex conjugate
 * conjure - interprets and executes scripts written in the Magick Scripting La...
 * conjure-im6 - interprets and executes scripts written in the Magick Scripting La...
 * conjure-im6.q16 - interprets and executes scripts written in the Magick Scripting La...
 * connect - initiate a connection on a socket
 * tc-connmark - netfilter connmark retriever action
 * console-setup - configuration file for setupcon
 * console_codes - Linux console escape and control sequences
 * console_ioctl - ioctls for console terminal and virtual consoles
 * convert - convert between image formats as well as resize an image, blur, cr...
 * convert-im6 - convert between image formats as well as resize an image, blur, cr...
 * convert-im6.q16 - convert between image formats as well as resize an image, blur, cr...
 * copy_file_range - Copy a range of data from one file to another
 * copysign - copy sign of a number
 * copysignf - copy sign of a number
 * copysignl - copy sign of a number
 * core - core dump file
 * coredump.conf - Core dump storage configuration files
 * coredump.conf.d - Core dump storage configuration files
 * coredumpctl - Retrieve and process saved core dumps and metadata
 * corelist - a commandline frontend to Module::CoreList
 * cp - copy files and directories
 * cp1251 - CP 1251 character set encoded in octal, decimal, and hexadecimal
 * cp1252 - CP 1252 character set encoded in octal, decimal, and hexadecimal
 * cpan - easily interact with CPAN from the command line
 * cpan5.30-i386-linux-gnu - easily interact with CPAN from the command line
 * cpan5.30-x86_64-linux-gnu - easily interact with CPAN from the command line
 * Cpanel::JSON::XS (3pm)- cPanel fork of JSON::XS, fast and correct serializing
 * Cpanel::JSON::XS::Boolean (3pm)- true and false values
 * Cpanel::JSON::XS::Type (3pm)- Type support for JSON encode
 * cpanel_json_xs (1p) - Cpanel::JSON::XS commandline utility
 * cpgr - copy with locking the given file to the password or group file
 * cpio - copy files to and from archives
 * cpio-filter (1p) - transform a cpio archive
 * cpp - The C Preprocessor
 * cpp-9 - The C Preprocessor
 * cppw - copy with locking the given file to the password or group file
 * cproj - project into Riemann Sphere
 * cprojf - project into Riemann Sphere
 * cprojl - project into Riemann Sphere
 * CPU_ALLOC - macros for manipulating CPU sets
 * CPU_ALLOC_SIZE - macros for manipulating CPU sets
 * CPU_AND - macros for manipulating CPU sets
 * CPU_AND_S - macros for manipulating CPU sets
 * CPU_CLR - macros for manipulating CPU sets
 * CPU_CLR_S - macros for manipulating CPU sets
 * CPU_COUNT - macros for manipulating CPU sets
 * CPU_COUNT_S - macros for manipulating CPU sets
 * CPU_EQUAL - macros for manipulating CPU sets
 * CPU_EQUAL_S - macros for manipulating CPU sets
 * CPU_FREE - macros for manipulating CPU sets
 * CPU_ISSET - macros for manipulating CPU sets
 * CPU_ISSET_S - macros for manipulating CPU sets
 * CPU_OR - macros for manipulating CPU sets
 * CPU_OR_S - macros for manipulating CPU sets
 * CPU_SET - macros for manipulating CPU sets
 * CPU_SET_S - macros for manipulating CPU sets
 * CPU_XOR - macros for manipulating CPU sets
 * CPU_XOR_S - macros for manipulating CPU sets
 * CPU_ZERO - macros for manipulating CPU sets
 * CPU_ZERO_S - macros for manipulating CPU sets
 * cpuid - x86 CPUID access device
 * cpuset - confine processes to processor and memory node subsets
 * cracklib-check - Check passwords using libcrack2
 * cracklib-format - cracklib dictionary utilities
 * cracklib-packer - cracklib dictionary utilities
 * cracklib-unpacker - cracklib dictionary utilities
 * crc32 - compute CRC-32 checksums for the given files
 * crda - send to the kernel a wireless regulatory domain for a given ISO / ...
 * creal - get real part of a complex number
 * crealf - get real part of a complex number
 * creall - get real part of a complex number
 * creat - open and possibly create a file
 * create-cracklib-dict - Check passwords using libcrack2
 * create_module - create a loadable module entry
 * credentials - process identifiers
 * crl2pkcs7 (1ssl) - Create a PKCS#7 structure from a CRL and certificates
 * cron - daemon to execute scheduled commands (Vixie Cron)
 * crontab - maintain crontab files for individual users (Vixie Cron)
 * crontab - tables for driving cron
 * crypt - passphrase hashing
 * crypt - storage format for hashed passphrases and available hashing methods
 * crypt_checksalt - validate a crypt setting string
 * crypt_gensalt - encode settings for passphrase hashing
 * crypt_gensalt_ra - encode settings for passphrase hashing
 * crypt_gensalt_rn - encode settings for passphrase hashing
 * crypt_preferred_method - get the prefix of the preferred hash method
 * crypt_r - passphrase hashing
 * crypt_ra - passphrase hashing
 * crypt_rn - passphrase hashing
 * cryptdisks_start - wrapper around cryptsetup that parses /etc/crypttab.
 * cryptdisks_stop - wrapper around cryptsetup that parses /etc/crypttab.
 * crypto (7ssl) - OpenSSL cryptographic library
 * cryptsetup - manage plain dm-crypt and LUKS encrypted volumes
 * cryptsetup-reencrypt - tool for offline LUKS device re-encryption
 * crypttab - static information about encrypted filesystems
 * csin - complex sine function
 * csinf - complex sine function
 * csinh - complex hyperbolic sine
 * csinhf - complex hyperbolic sine
 * csinhl - complex hyperbolic sine
 * csinl - complex sine function
 * csplit - split a file into sections determined by context lines
 * csqrt - complex square root
 * csqrtf - complex square root
 * csqrtl - complex square root
 * csscapture - Downloads CSS stylesheets.
 * csscapture_py3 - Downloads CSS stylesheets.
 * csscombine - Utility to combine several stylesheets into one.
 * csscombine_py3 - Utility to combine several stylesheets into one.
 * cssparse - A CSS parser.
 * cssparse_py3 - A CSS parser.
 * tc-csum - checksum update action
 * ct (7ssl) - Certificate Transparency
 * ctan - complex tangent function
 * ctanf - complex tangent function
 * ctanh - complex hyperbolic tangent
 * ctanhf - complex hyperbolic tangent
 * ctanhl - complex hyperbolic tangent
 * ctanl - complex tangent function
 * ctermid - get controlling terminal name
 * ctime - transform date and time to broken-down time or ASCII
 * ctime_r - transform date and time to broken-down time or ASCII
 * ctrlaltdel - set the function of the Ctrl-Alt-Del combination
 * ctstat - unified linux network statistics
 * cups - a standards-based, open source printing system
 * cups-browsed - A daemon for browsing the Bonjour broadcasts of shared, remote CUP...
 * cups-browsed.conf - server configuration file for cups-browsed
 * cups-calibrate - ESP CUPS Printer Calibration Tool
 * cups-deviced - cupsd helper programs (deprecated)
 * cups-driverd - cupsd helper programs (deprecated)
 * cups-exec - cupsd helper programs (deprecated)
 * cups-files.conf - file and directory configuration file for cups
 * cups-genppdupdate - update CUPS+Gutenprint PPD files
 * cups-lpd - receive print jobs and report printer status to lpd clients (depre...
 * cups-snmp - cups snmp backend (deprecated)
 * cups-snmp.conf - snmp configuration file for cups (deprecated)
 * cupsaccept - accept/reject jobs sent to a destination
 * cupsctl - configure cupsd.conf options
 * cupsd - cups scheduler
 * cupsd-helper - cupsd helper programs (deprecated)
 * cupsd-logs - cupsd log files (access_log, error_log, and page_log)
 * cupsd.conf - server configuration file for cups
 * cupsdisable - stop/start printers and classes
 * cupsenable - stop/start printers and classes
 * cupsfilter - convert a file to another format using cups filters (deprecated)
 * cupsreject - accept/reject jobs sent to a destination
 * cupstestppd - test conformance of ppd files
 * curl - transfer a URL
 * cuserid - get username
 * cut - remove sections from each line of files
 * cvlc - the VLC media player
 * cvt - calculate VESA CVT mode lines
 * cvtsudoers - convert between sudoers file formats
 * daemon - run in the background
 * daemon - Writing and packaging system daemons
 * dash - command interpreter (shell)
 * Data::Dump (3pm) - Pretty printing of data structures
 * Data::Dump::Filtered (3pm)- Pretty printing with filtering
 * Data::Dump::Trace (3pm)- Helpers to trace function and method calls
 * date - print or set the system date and time
 * Date::Format (3pm) - Date formating subroutines
 * Date::Language (3pm)- Language specific date formating and parsing
 * Date::Language::Bulgarian (3pm)- localization for Date::Format
 * Date::Language::Hungarian (3pm)- Magyar format for Date::Format
 * Date::Parse (3pm) - Parse date strings into time values
 * daylight - initialize time conversion information
 * db - database access methods
 * dbopen - database access methods
 * dbus-cleanup-sockets - clean up leftover sockets in a directory
 * dbus-daemon - Message bus daemon
 * dbus-launch - Utility to start a message bus from a shell script
 * dbus-monitor - debug probe to print message bus messages
 * dbus-run-session - start a process as a new D-Bus session
 * dbus-send - Send a message to a message bus
 * dbus-update-activation-environment - update environment used for D-Bus session services
 * dbus-uuidgen - Utility to generate UUIDs
 * dbwrap_tool - low level TDB/CTDB manipulation tool using the dbwrap interface
 * dc - an arbitrary precision calculator
 * dccleancrw - Canon (CRW) RAW photo file recovery utility
 * dcfujigreen - Alternative processing for Fuji RAW images
 * dcfujiturn - Alternative rotation for dcraw processed images
 * dcfujiturn16 - Alternative rotation for dcraw processed images
 * dcgettext - translate message
 * dcngettext - translate message and choose plural form
 * dconf - Simple tool for manipulating a dconf database
 * dconf - A configuration system
 * dconf-service - D-Bus service for writes to the dconf database
 * dcparse - Extract embedded thumbnail image and print CIFF/TIFF data to screen
 * dcraw - command-line decoder for raw digital photos
 * dd - convert and copy a file
 * ddp - Linux AppleTalk protocol implementation
 * ddstdecode - Decode a Ricoh DDST stream into human readable form.
 * deallocvt - deallocate unused virtual consoles
 * deb - Debian binary package format
 * deb-buildinfo - Debian build information file format
 * deb-changelog - dpkg source packages' changelog file format
 * deb-changes - Debian changes file format
 * deb-conffiles - package conffiles
 * deb-control - Debian binary packages' master control file format
 * deb-extra-override - Debian archive extra override file
 * deb-old - old style Debian binary package format
 * deb-origin - Vendor-specific information files
 * deb-override - Debian archive override file
 * deb-postinst - package post-installation maintainer script
 * deb-postrm - package post-removal maintainer script
 * deb-preinst - package pre-installation maintainer script
 * deb-prerm - package pre-removal maintainer script
 * deb-shlibs - Debian shared library information file
 * deb-split - Debian multi-part binary package format
 * deb-src-control - Debian source packages' master control file format
 * deb-src-files - Debian distribute files format
 * deb-src-rules - Debian source package rules file
 * deb-substvars - Debian source substitution variables
 * deb-symbols - Debian's extended shared library information file
 * deb-systemd-helper (1p)- subset of systemctl for machines not running systemd
 * deb-systemd-invoke (1p)- wrapper around systemctl, respecting policy-rc.d
 * deb-triggers - package triggers
 * deb-version - Debian package version number format
 * deb822 - Debian RFC822 control data format
 * debconf - run a debconf-using program
 * debconf-apt-progress - install packages using debconf to display a progress bar
 * debconf-communicate - communicate with debconf
 * debconf-copydb - copy a debconf database
 * debconf-escape - helper when working with debconf's escape capability
 * debconf-gettextize - extract translations of debconf templates into PO files
 * debconf-set-selections - insert new values into the debconf database
 * debconf-show - query the debconf database
 * debconf-updatepo - update PO files about debconf templates
 * debhelper - the debhelper tool suite
 * debhelper-obsolete-compat - List of no longer supported compat levels
 * Debian::DictionariesCommon (3pm)- dictionaries-common library
 * DebianNet - create, remove, enable or disable entry in /etc/inetd.
 * debugedit - Debuginfo editing helper
 * debugfs - ext2/ext3/ext4 file system debugger
 * debugreiserfs - The debugging tool for the ReiserFS filesystem.
 * default.pa - PulseAudio Sound Server Startup Script
 * defer (8postfix) - Postfix delivery status reports
 * defined - a library for working with MaxMind DB files
 * dehtmldiff - get usable diff from an HTML page
 * delaunay - constructs the constrained Delaunay triangulation of the input
 * delgroup - remove a user or group from the system
 * delpart - tell the kernel to forget about a partition
 * deluser - remove a user or group from the system
 * deluser.conf - configuration file for deluser and delgroup.
 * delv - DNS lookup and validation utility
 * depmod - Generate modules.dep and map files.
 * depmod.d - Configuration directory for depmod
 * DES_FAILED - fast DES encryption
 * des_modes (7ssl) - the variants of DES and other crypto algorithms of OpenSSL
 * desktop-file-edit - Installation and edition of desktop files
 * desktop-file-install - Installation and edition of desktop files
 * desktop-file-validate - Validate desktop entry files
 * devdump - Utility programs for dumping and verifying iso9660 images.
 * Devel::CallChecker (3pm)- custom op checking attached to subroutines
 * Devel::Size (3pm) - Perl extension for finding the memory usage of Perl variables
 * Devel::TypeTiny::Perl56Compat (3pm)- shims to allow Type::Tiny to run on Perl 5.6.x
 * Devel::TypeTiny::Perl58Compat (3pm)- shims to allow Type::Tiny to run on Perl 5.8.x
 * devlink-dev - devlink device configuration
 * devlink-health - devlink health reporting and recovery
 * devlink-monitor - state monitoring
 * devlink-port - devlink port configuration
 * devlink-region - devlink address region access
 * devlink-resource - devlink device resource configuration
 * devlink-sb - devlink shared buffer configuration
 * devlink-trap - devlink trap configuration
 * df - report file system disk space usage
 * dgettext - translate message
 * dgst (1ssl) - perform digest operations
 * dh - debhelper command sequencer
 * dh-autoreconf - debhelper add-on to run autoreconf during build
 * dh_auto_build - automatically builds a package
 * dh_auto_clean - automatically cleans up after a build
 * dh_auto_configure - automatically configure a package prior to building
 * dh_auto_install - automatically runs make install or similar
 * dh_auto_test - automatically runs a package's test suites
 * dh_autoreconf - Call autoreconf-f-i and keep track of the changed files.
 * dh_autoreconf_clean - Clean all changes made by dh_autoreconf
 * dh_autotools-dev_restoreconfig - restore config.sub and config.guess
 * dh_autotools-dev_updateconfig - update config.sub and config.guess
 * dh_bash-completion - install bash completions for package
 * dh_bugfiles - install bug reporting customization files into package build direc...
 * dh_builddeb - build Debian binary packages
 * dh_clean - clean up package build directories
 * dh_compress - compress files and fix symlinks in package build directories
 * dh_dkms - correctly handle DKMS usage by a kernel module package
 * dh_dwz - optimize DWARF debug information in ELF binaries via dwz
 * dh_fixperms - fix permissions of files in package build directories
 * dh_gconf - install GConf defaults files and register schemas (deprecated)
 * dh_gencontrol - generate and install control file
 * dh_icons - Update caches of Freedesktop icons
 * dh_install - install files into package build directories
 * dh_installcatalogs - install and register SGML Catalogs
 * dh_installchangelogs - install changelogs into package build directories
 * dh_installcron - install cron scripts into etc/cron.*
 * dh_installdeb - install files into the DEBIAN directory
 * dh_installdebconf - install files used by debconf in package build directories
 * dh_installdirs - create subdirectories in package build directories
 * dh_installdocs - install documentation into package build directories
 * dh_installemacsen - register an Emacs add on package
 * dh_installexamples - install example files into package build directories
 * dh_installgsettings - install GSettings overrides and set dependencies
 * dh_installifupdown - install if-up and if-down hooks
 * dh_installinfo - install info files
 * dh_installinit - install service init files into package build directories
 * dh_installinitramfs - install initramfs hooks and setup maintscripts
 * dh_installlogcheck - install logcheck rulefiles into etc/logcheck/
 * dh_installlogrotate - install logrotate config files
 * dh_installman - install man pages into package build directories
 * dh_installmanpages - old-style man page installer (deprecated)
 * dh_installmenu - install Debian menu files into package build directories
 * dh_installmime - install mime files into package build directories
 * dh_installmodules - register kernel modules
 * dh_installpam - install pam support files
 * dh_installppp - install ppp ip-up and ip-down files
 * dh_installsystemd - install systemd unit files
 * dh_installsystemduser - install systemd unit files
 * dh_installtmpfiles - install tmpfiles.d configuration files
 * dh_installudev - install udev rules files
 * dh_installwm - register a window manager
 * dh_installxfonts - register X fonts
 * dh_installxmlcatalogs - install and register XML catalog files
 * dh_link - create symlinks in package build directories
 * dh_lintian - install lintian override files into package build directories
 * dh_listpackages - list binary packages debhelper will act on
 * dh_makeshlibs - automatically create shlibs file and call dpkg-gensymbols
 * dh_md5sums - generate DEBIAN/md5sums file
 * dh_missing - check for missing files
 * dh_movefiles - move files out of debian/tmp into subpackages
 * dh_perl - calculates Perl dependencies and cleans up after MakeMaker
 * dh_perl_openssl - add dependencies required for OpenSSL modules
 * dh_prep - perform cleanups in preparation for building a binary package
 * dh_python2 - calculates Python dependencies, adds maintainer scripts to byte co...
 * dh_shlibdeps - calculate shared library dependencies
 * dh_strip - strip executables, shared libraries, and some static libraries
 * dh_strip_nondeterminism (1p)- strip uninteresting, nondeterministic information from files
 * dh_systemd_enable - enable/disable systemd unit files
 * dh_systemd_start - start/stop/restart systemd unit files
 * dh_testdir - test directory before building Debian package
 * dh_testroot - ensure that a package is built with necessary level of root permis...
 * dh_ucf - register configuration files with ucf
 * dh_update_autotools_config - Update autotools config files
 * dh_usrlocal - migrate usr/local directories to maintainer scripts
 * dhclient - Dynamic Host Configuration Protocol Client
 * dhclient-script - DHCP client network configuration script
 * dhclient.conf - DHCP client configuration file
 * dhclient.leases - DHCP client lease database
 * dhcp-eval - ISC DHCP conditional evaluation
 * dhcp-options - Dynamic Host Configuration Protocol options
 * dhparam (1ssl) - DH parameter manipulation and generation
 * dia - a diagram drawing program
 * splain - produce verbose warning diagnostics
 * dialog - display dialog boxes from shell scripts
 * dialog - widgets and utilities for the program
 * dict - DICT Protocol Client
 * dict_lookup - DICT Protocol Client
 * dictl - wrapper script for dict that permits using utf-8 encoded dictionar...
 * diff - (unknown subject)
 * diff3 - (unknown subject)
 * diffimg - Calculates intersection between two images
 * diffstat - make histogram from diff-output
 * difftime - calculate time difference
 * dig - DNS lookup utility
 * Digest::HMAC (3pm) - Keyed-Hashing for Message Authentication
 * Digest::HMAC_MD5 (3pm)- Keyed-Hashing for Message Authentication
 * Digest::HMAC_SHA1 (3pm)- Keyed-Hashing for Message Authentication
 * dijkstra - single-source distance filter for Graphviz
 * dir - list directory contents
 * dir_colors - configuration file for dircolors
 * dircolors - color setup for ls
 * dirfd - get directory stream file descriptor
 * dirmngr - CRL and OCSP daemon
 * dirmngr-client - Tool to access the Dirmngr services
 * dirname - strip last component from file name
 * dirname - parse pathname components
 * dirsplit - splits directory into multiple with equal size
 * discard (8postfix) - Postfix discard mail delivery agent
 * display - displays an image or image sequence on any X server.
 * display-im6 - displays an image or image sequence on any X server.
 * display-im6.q16 - displays an image or image sequence on any X server.
 * ditaa - convert ASCII diagrams into proper bitmap graphics
 * div - compute quotient and remainder of an integer division
 * djpeg - decompress a JPEG file to an image file
 * dkms - Dynamic Kernel Module Support
 * dl_iterate_phdr - walk through list of shared objects
 * dladdr - translate address to symbolic information
 * dladdr1 - translate address to symbolic information
 * dlclose - open and close a shared object
 * dlerror - obtain error diagnostic for functions in the dlopen API
 * dlinfo - obtain information about a dynamically loaded object
 * dlmopen - open and close a shared object
 * dlopen - open and close a shared object
 * dlsym - obtain address of a symbol in a shared object or executable
 * dlvsym - obtain address of a symbol in a shared object or executable
 * dm-tool - a tool to control the display manager
 * dmesg - print or control the kernel ring buffer
 * dmevent_tool - A utility used to load a DSO into dmeventd and (un)register device...
 * dmeventd - Device-mapper event daemon
 * dmidecode - DMI table decoder
 * dmraid - discover, configure and activate software (ATA)RAID
 * dmsetup - low level logical volume management
 * dmstats - device-mapper statistics management
 * dn_expand - resolver routines
 * dngettext - translate message and choose plural form
 * dnsblog (8postfix) - Postfix DNS white/blacklist logger
 * dnsmasq - A lightweight DHCP and caching DNS server.
 * dnssec-trust-anchors.d - DNSSEC trust anchor configuration files
 * dosbox - an x86/DOS emulator with sound/graphics
 * dosdebug - run DOS and DOS programs under Linux
 * dosemu - run DOS and DOS programs under Linux
 * dosemu.bin - run DOS and DOS programs under Linux
 * dosfsck - check and repair MS-DOS filesystems
 * dosfslabel - set or get MS-DOS filesystem label
 * dot - filter for drawing directed graphs
 * dot2gxl - GXL-GV converters
 * dotlockfile - Utility to manage lockfiles
 * dotty - A Customizable Graph Editor
 * dpkg - package manager for Debian
 * dpkg-architecture - set and determine the architecture for package building
 * dpkg-buildflags - returns build flags to use during package build
 * dpkg-buildpackage - build binary or source packages from sources
 * dpkg-checkbuilddeps - check build dependencies and conflicts
 * dpkg-deb - Debian package archive (.deb) manipulation tool
 * dpkg-distaddfile - add entries to debian/files
 * dpkg-divert - override a package's version of a file
 * dpkg-genbuildinfo - generate Debian .buildinfo files
 * dpkg-genchanges - generate Debian .changes files
 * dpkg-gencontrol - generate Debian control files
 * dpkg-gensymbols - generate symbols files (shared library dependency information)
 * dpkg-maintscript-helper - works around known dpkg limitations in maintainer scripts
 * dpkg-mergechangelogs - 3-way merge of debian/changelog files
 * dpkg-name - rename Debian packages to full package names
 * dpkg-parsechangelog - parse Debian changelog files
 * dpkg-preconfigure - let packages ask questions prior to their installation
 * dpkg-query - a tool to query the dpkg database
 * dpkg-reconfigure - reconfigure an already installed package
 * dpkg-repack - put an unpacked .deb file back together
 * dpkg-scanpackages - create Packages index files
 * dpkg-scansources - create Sources index files
 * dpkg-shlibdeps - generate shared library substvar dependencies
 * dpkg-source - Debian source package (.dsc) manipulation tool
 * dpkg-split - Debian package archive split/join tool
 * dpkg-statoverride - override ownership and mode of files
 * dpkg-trigger - a package trigger utility
 * dpkg-vendor - queries information about distribution vendors
 * dpkg.cfg - dpkg configuration file
 * Dpkg::Arch (3perl) - handle architectures
 * Dpkg::Build::Env (3perl)- track build environment
 * Dpkg::Build::Info (3perl)- handle build information
 * Dpkg::Build::Types (3perl)- track build types
 * Dpkg::BuildFlags (3perl)- query build flags
 * Dpkg::BuildOptions (3perl)- parse and update build options
 * Dpkg::BuildProfiles (3perl)- handle build profiles
 * Dpkg::Changelog (3perl)- base class to implement a changelog parser
 * Dpkg::Changelog::Debian (3perl)- parse Debian changelogs
 * Dpkg::Changelog::Entry (3perl)- represents a changelog entry
 * Dpkg::Changelog::Entry::Debian (3perl)- represents a Debian changelog entry
 * Dpkg::Changelog::Parse (3perl)- generic changelog parser for dpkg-parsechangelog
 * Dpkg::Checksums (3perl)- generate and manipulate file checksums
 * Dpkg::Compression (3perl)- simple database of available compression methods
 * Dpkg::Compression::FileHandle (3perl)- object dealing transparently with file compression
 * Dpkg::Compression::Process (3perl)- run compression/decompression processes
 * Dpkg::Conf (3perl) - parse dpkg configuration files
 * Dpkg::Control (3perl)- parse and manipulate official control-like information
 * Dpkg::Control::Changelog (3perl)- represent info fields output by dpkg-parsechangelog
 * Dpkg::Control::Fields (3perl)- manage (list of official) control fields
 * Dpkg::Control::FieldsCore (3perl)- manage (list of official) control fields
 * Dpkg::Control::Hash (3perl)- parse and manipulate a block of RFC822-like fields
 * Dpkg::Control::HashCore (3perl)- parse and manipulate a block of RFC822-like fields
 * Dpkg::Control::Info (3perl)- parse files like debian/control
 * Dpkg::Control::Tests (3perl)- parse files like debian/tests/control
 * Dpkg::Control::Tests::Entry (3perl)- represents a test suite entry
 * Dpkg::Control::Types (3perl)- export CTRL_* constants
 * Dpkg::Deps (3perl) - parse and manipulate dependencies of Debian packages
 * Dpkg::Deps::AND (3perl)- list of AND dependencies
 * Dpkg::Deps::KnownFacts (3perl)- list of installed real and virtual packages
 * Dpkg::Deps::Multiple (3perl)- base module to represent multiple dependencies
 * Dpkg::Deps::OR (3perl)- list of OR dependencies
 * Dpkg::Deps::Simple (3perl)- represents a single dependency statement
 * Dpkg::Deps::Union (3perl)- list of unrelated dependencies
 * Dpkg::Exit (3perl) - program exit handlers
 * Dpkg::Gettext (3perl)- convenience wrapper around Locale::gettext
 * Dpkg::Index (3perl) - generic index of control information
 * Dpkg::Interface::Storable (3perl)- common methods related to object serialization
 * Dpkg::IPC (3perl) - helper functions for IPC
 * Dpkg::Path (3perl) - some common path handling functions
 * Dpkg::Source::Format (3perl)- manipulate debian/source/format files
 * Dpkg::Source::Package (3perl)- manipulate Debian source packages
 * Dpkg::Substvars (3perl)- handle variable substitution in strings
 * Dpkg::Vendor (3perl)- get access to some vendor specific information
 * Dpkg::Vendor::Debian (3perl)- Debian vendor object
 * Dpkg::Vendor::Default (3perl)- default vendor object
 * Dpkg::Vendor::Ubuntu (3perl)- Ubuntu vendor object
 * Dpkg::Version (3perl)- handling and comparing dpkg-style version numbers
 * dprintf - formatted output conversion
 * drand48 - generate uniformly distributed pseudo-random numbers
 * drand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * drem - floating-point remainder function
 * dremf - floating-point remainder function
 * dreml - floating-point remainder function
 * driverless - PPD generator utility for driverless printing
 * dsa (1ssl) - DSA key processing
 * dsaparam (1ssl) - DSA parameter manipulation and generation
 * dsc - Debian source packages' control file format
 * dsp56k - DSP56001 interface device
 * du - estimate file space usage
 * duff - duplicate file finder
 * dump-acct - print an acct file in human-readable format.
 * dump-utmp - print an utmp file in human-readable format.
 * dumpe2fs - dump ext2/ext3/ext4 filesystem information
 * dumpexfat - dump exFAT file system
 * dumpkeys - dump keyboard translation tables
 * dup - duplicate a file descriptor
 * dup2 - duplicate a file descriptor
 * dup3 - duplicate a file descriptor
 * duplocale - duplicate a locale object
 * dvd+rw-format - format DVD+-RW/-RAM disk
 * dvipdf - Convert TeX DVI file to PDF using ghostscript and dvips
 * dwp - The DWARF packaging utility
 * dwz - DWARF optimization and duplicate removal tool
 * DynaLoader::Functions (3pm)- deconstructed dynamic C library loading
 * dysize - get number of days for a given year
 * e2freefrag - report free space fragmentation information
 * e2fsck - check a Linux ext2/ext3/ext4 file system
 * e2fsck.conf - Configuration file for e2fsck
 * e2image - Save critical ext2/ext3/ext4 filesystem metadata to a file
 * e2label - Change the label on an ext2/ext3/ext4 filesystem
 * e2mmpstatus - Check MMP status of an ext4 filesystem
 * e2scrub - check the contents of a mounted ext[234] filesystem
 * e2scrub_all - check all mounted ext[234] filesystems for errors.
 * e2undo - Replay an undo log for an ext2/ext3/ext4 filesystem
 * e4crypt - ext4 filesystem encryption utility
 * e4defrag - online defragmenter for ext4 filesystem
 * eaccess - check effective user's permissions for a file
 * ebook-edit - ebook-edit
 * ebtables-nft - Ethernet bridge frame table administration (nft-based)
 * ebtables-nft-restore - iptables using nftables kernel api
 * ebtables-nft-save - iptables using nftables kernel api
 * ec (1ssl) - EC key processing
 * ecb_crypt - fast DES encryption
 * echo - display a line of text
 * ecparam (1ssl) - EC parameter manipulation and generation
 * ecryptfs - an enterprise-class cryptographic filesystem for linux
 * ecryptfs-add-passphrase - add an eCryptfs mount passphrase to the kernel keyring.
 * ecryptfs-find - use inode numbers to match encrypted/decrypted filenames
 * ecryptfs-generate-tpm-key - generate an eCryptfs key for TPM hardware.
 * ecryptfs-insert-wrapped-passphrase-into-key... - unwrap a wrapped passphrase from fil...
 * ecryptfs-manager - eCryptfs key manager.
 * ecryptfs-migrate-home - migrate a user's home directory to an encrypted home setup
 * ecryptfs-mount-private - interactive eCryptfs private mount wrapper script.
 * ecryptfs-recover-private - find and mount any encrypted private directories
 * ecryptfs-rewrap-passphrase - unwrap an eCryptfs wrapped passphrase, rewrap it with a ...
 * ecryptfs-rewrite-file - force a file to be rewritten (reencrypted) in the lower files...
 * ecryptfs-setup-private - setup an eCryptfs private directory.
 * ecryptfs-setup-swap - ensure that any swap space is encrypted
 * ecryptfs-stat - Present statistics on encrypted eCryptfs file attributes
 * ecryptfs-umount-private - eCryptfs private unmount wrapper script.
 * ecryptfs-unwrap-passphrase - unwrap an eCryptfs mount passphrase from file.
 * ecryptfs-verify - validate an eCryptfs encrypted home or encrypted private configura...
 * ecryptfs-wrap-passphrase - wrap an eCryptfs mount passphrase.
 * ecryptfsd - user-space eCryptfs daemon.
 * ecvt - convert a floating-point number to a string
 * ecvt_r - convert a floating-point number to a string
 * ed - line-oriented text editor
 * Ed25519 (7ssl) - EVP_PKEY Ed25519 and Ed448 support
 * Ed448 (7ssl) - EVP_PKEY Ed25519 and Ed448 support
 * edata - end of program segments
 * edgepaint - edge coloring to disambiguate crossing edges
 * edit - execute programs via entries in the mailcap file
 * editdiff - fix offsets and counts of a hand-edited diff
 * editline (7edit) - line editing user interface
 * editor - Nano's ANOther editor, inspired by Pico
 * editrc (5edit) - configuration file for editline library
 * editres - a dynamic resource editor for X Toolkit applications
 * egrep - print lines that match patterns
 * eject - eject removable media
 * elf - format of Executable and Linking Format (ELF) files
 * elfedit - update ELF header and program property of ELF files
 * Email::Valid (3pm) - Check validity of Internet email addresses
 * tc-ematch - extended matches for use with "basic", "cgroup" or "flow" filters
 * enc2xs -- Perl Encode Module Generator
 * encguess - guess character encodings of files
 * enchant-2 - a spellchecker
 * enchant-lsmod - Show information about available spell-checking modules and dictio...
 * enchant-lsmod-2 - list provider and dictionary information
 * Encode::Locale (3pm)- Determine the locale encoding
 * encrypt - encrypt 64-bit messages
 * encrypt_r - encrypt 64-bit messages
 * end - end of program segments
 * endaliasent - read an alias entry
 * endfsent - handle fstab entries
 * endgrent - get group file entry
 * endhostent - get network host entry
 * endian - convert values between host and big-/little-endian byte order
 * endmntent - get filesystem descriptor file entry
 * endnetent - get network entry
 * endnetgrent - handle network group entries
 * endprotoent - get protocol entry
 * endpwent - get password file entry
 * endrpcent - get RPC entry
 * endservent - get service entry
 * endspent - get shadow password file entry
 * endttyent - get ttys file entry
 * endusershell - get permitted user shells
 * endutent - access utmp file entries
 * endutxent - access utmp file entries
 * engine (1ssl) - load and query engines
 * env - run a program in a modified environment
 * environ - user environment
 * pam_env.conf - the environment variables config files
 * environment.d - Definition of user session environment
 * envsubst - substitutes environment variables in shell format strings
 * envz - environment string support
 * envz_add - environment string support
 * envz_entry - environment string support
 * envz_get - environment string support
 * envz_merge - environment string support
 * envz_remove - environment string support
 * envz_strip - environment string support
 * epoll - I/O event notification facility
 * epoll_create - open an epoll file descriptor
 * epoll_create1 - open an epoll file descriptor
 * epoll_ctl - control interface for an epoll file descriptor
 * epoll_pwait - wait for an I/O event on an epoll file descriptor
 * epoll_wait - wait for an I/O event on an epoll file descriptor
 * eps2eps - Ghostscript PostScript "distiller"
 * eqn - format equations for troff or MathML
 * erand48 - generate uniformly distributed pseudo-random numbers
 * erand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * erfc - complementary error function
 * erfcf - complementary error function
 * erfcl - complementary error function
 * err - formatted error messages
 * errno - look up errno names and descriptions
 * errno - number of last error
 * error - glibc error reporting functions
 * error (8postfix) - Postfix error/retry mail delivery agent
 * Error::TypeTiny (3pm)- exceptions for Type::Tiny and friends
 * Error::TypeTiny::Assertion (3pm)- exception when a value fails a type constraint
 * Error::TypeTiny::Compilation (3pm)- exception for Eval::TypeTiny
 * Error::TypeTiny::WrongNumberOfParameters (3pm)- exception for Type::Params
 * error_at_line - glibc error reporting functions
 * error_message_count - glibc error reporting functions
 * error_one_per_line - glibc error reporting functions
 * error_print_progname - glibc error reporting functions
 * errx - formatted error messages
 * esc-m - ease viewing output of driver data
 * espdiff - apply the appropriate transformation to a set of patches
 * etext - end of program segments
 * ether_aton - Ethernet address manipulation routines
 * ether_aton_r - Ethernet address manipulation routines
 * ether_hostton - Ethernet address manipulation routines
 * ether_line - Ethernet address manipulation routines
 * ether_ntoa - Ethernet address manipulation routines
 * ether_ntoa_r - Ethernet address manipulation routines
 * ether_ntohost - Ethernet address manipulation routines
 * ethers - Ethernet address to IP number database
 * ethtool - query or control network driver and hardware settings
 * euidaccess - check effective user's permissions for a file
 * eutp - EuroBraille file transferring
 * EV (3pm) - perl interface to libev, a high performance full-featured event loop
 * EV::libev (3pm) - a high performance full-featured event loop written in C
 * EV::MakeMaker (3pm) - MakeMaker glue for the C-level EV API
 * Eval::TypeTiny (3pm)- utility to evaluate a string of Perl code in a clean environment
 * eventfd - create a file descriptor for event notification
 * eventfd2 - create a file descriptor for event notification
 * eventfd_read - create a file descriptor for event notification
 * eventfd_write - create a file descriptor for event notification
 * evp (7ssl) - high-level cryptographic functions
 * ex - Vi IMproved, a programmer's text editor
 * exa - new 2D acceleration architecture for X.Org
 * exec - execute a file
 * execl - execute a file
 * execle - execute a file
 * execlp - execute a file
 * execv - execute a file
 * execve - execute program
 * execveat - execute program relative to a directory file descriptor
 * execvp - execute a file
 * execvpe - execute a file
 * exfatfsck - check an exFAT file system
 * exfatlabel - get or set an exFAT file system label
 * exifautotran - Transforms Exif files so that Orientation becomes 1
 * exit - terminate the calling process
 * exit - cause normal process termination
 * exit_group - exit all threads in a process
 * exp - base-e exponential function
 * exp10 - base-10 exponential function
 * exp10f - base-10 exponential function
 * exp10l - base-10 exponential function
 * exp2 - base-2 exponential function
 * exp2f - base-2 exponential function
 * exp2l - base-2 exponential function
 * expand - convert tabs to spaces
 * expf - base-e exponential function
 * expiry - check and enforce password expiration policy
 * expl - base-e exponential function
 * explicit_bzero - zero a byte string
 * expm1 - exponential minus 1
 * expm1f - exponential minus 1
 * expm1l - exponential minus 1
 * Exporter::Shiny (3pm)- shortcut for Exporter::Tiny
 * Exporter::Tiny (3pm)- an exporter with the features of Sub::Exporter but only core depen...
 * Exporter::Tiny::Manual::Etc (3pm)- odds and ends
 * Exporter::Tiny::Manual::Exporting (3pm)- creating an exporter using Exporter::Tiny
 * Exporter::Tiny::Manual::Importing (3pm)- importing from Exporter::Tiny-based modules
 * Exporter::Tiny::Manual::QuickStart (3pm)- the quickest way to get up and running with Ex...
 * expr - evaluate expressions
 * ext2 - the second extended file system
 * ext3 - the third extended file system
 * ext4 - the fourth extended file system
 * ExtUtils::Depends (3pm)- Easily build XS extensions that depend on XS extensions
 * ExtUtils::PkgConfig (3pm)- simplistic interface to pkg-config
 * eyuvtoppm - convert a Berkeley YUV file to a portable pixmap file
 * fabs - absolute value of floating-point number
 * fabsf - absolute value of floating-point number
 * fabsl - absolute value of floating-point number
 * faccessat - check user's permissions for a file
 * factor - factor numbers
 * fadvise64 - predeclare an access pattern for file data
 * fadvise64_64 - predeclare an access pattern for file data
 * faillog - login failure logging file
 * faillog - display faillog records or set login failure limits
 * faked - daemon that remembers fake ownership/permissions of files manipula...
 * faked-sysv - daemon that remembers fake ownership/permissions of files manipula...
 * faked-tcp - daemon that remembers fake ownership/permissions of files manipula...
 * fakeroot - run a command in an environment faking root privileges for file ma...
 * fakeroot-sysv - run a command in an environment faking root privileges for file ma...
 * fakeroot-tcp - run a command in an environment faking root privileges for file ma...
 * fallocate - preallocate or deallocate space to a file
 * fallocate - manipulate file space
 * false - do nothing, unsuccessfully
 * fanotify - monitoring filesystem events
 * fanotify_init - create and initialize fanotify group
 * fanotify_mark - add, remove, or modify an fanotify mark on a filesystem object
 * fastjar - archive tool for Java archives
 * fatlabel - set or get MS-DOS filesystem label
 * fattach - unimplemented system calls
 * fbdev - video driver for framebuffer device
 * fbdevhw - os-specific submodule for framebuffer device access
 * fc-cache - build font information cache files
 * fc-cat - read font information cache files
 * fc-conflist - Show the ruleset files information on the system
 * fc-match - match available fonts
 * fc-pattern - parse and show pattern
 * fc-query - query font files
 * fc-scan - scan font files or directories
 * fc-validate - validate font files
 * FCGI (3pm) - Fast CGI module
 * fcgistarter - Start a FastCGI program
 * fchdir - change working directory
 * fchmod - change permissions of a file
 * fchmodat - change permissions of a file
 * fchown - change ownership of a file
 * fchown32 - change ownership of a file
 * fchownat - change ownership of a file
 * fcloseall - close all open streams
 * fcntl - manipulate file descriptor
 * fcntl64 - manipulate file descriptor
 * fcvt - convert a floating-point number to a string
 * fcvt_r - convert a floating-point number to a string
 * fdatasync - synchronize a file's in-core state with storage device
 * fdetach - unimplemented system calls
 * fdfind - find entries in the filesystem
 * fdformat - low-level format a floppy disk
 * fdim - positive difference
 * fdimf - positive difference
 * fdiml - positive difference
 * fdisk - manipulate disk partition table
 * fdopendir - open a directory
 * fdp - filter for drawing undirected graphs
 * feature_test_macros - feature test macros
 * feclearexcept - floating-point rounding and exception handling
 * fedisableexcept - floating-point rounding and exception handling
 * feenableexcept - floating-point rounding and exception handling
 * fegetenv - floating-point rounding and exception handling
 * fegetexcept - floating-point rounding and exception handling
 * fegetexceptflag - floating-point rounding and exception handling
 * fegetround - floating-point rounding and exception handling
 * feholdexcept - floating-point rounding and exception handling
 * fenv - floating-point rounding and exception handling
 * feof - check and reset stream status
 * feof_unlocked - nonlocking stdio functions
 * feraiseexcept - floating-point rounding and exception handling
 * ferror - check and reset stream status
 * ferror_unlocked - nonlocking stdio functions
 * fesetenv - floating-point rounding and exception handling
 * fesetexceptflag - floating-point rounding and exception handling
 * fesetround - floating-point rounding and exception handling
 * fetch-ebook-metadata - fetch-ebook-metadata
 * fetestexcept - floating-point rounding and exception handling
 * feupdateenv - floating-point rounding and exception handling
 * fexecve - execute program specified via file descriptor
 * fflush_unlocked - nonlocking stdio functions
 * ffmpeg - ffmpeg video converter
 * ffmpeg-all - ffmpeg video converter
 * ffmpeg-bitstream-filters - FFmpeg bitstream filters
 * ffmpeg-codecs - FFmpeg codecs
 * ffmpeg-devices - FFmpeg devices
 * ffmpeg-filters - FFmpeg filters
 * ffmpeg-formats - FFmpeg formats
 * ffmpeg-protocols - FFmpeg protocols
 * ffmpeg-resampler - FFmpeg Resampler
 * ffmpeg-scaler - FFmpeg video scaling and pixel format converter
 * ffmpeg-utils - FFmpeg utilities
 * ffplay - FFplay media player
 * ffplay-all - FFplay media player
 * ffprobe - ffprobe media prober
 * ffprobe-all - ffprobe media prober
 * ffsl - find first bit set in a word
 * ffsll - find first bit set in a word
 * fgconsole - print the number of the active VT.
 * fgetc - input of characters and strings
 * fgetc_unlocked - nonlocking stdio functions
 * fgetgrent - get group file entry
 * fgetgrent_r - get group file entry reentrantly
 * fgetpos - reposition a stream
 * fgetpwent - get password file entry
 * fgetpwent_r - get passwd file entry reentrantly
 * fgets - input of characters and strings
 * fgets_unlocked - nonlocking stdio functions
 * fgetspent - get shadow password file entry
 * fgetspent_r - get shadow password file entry
 * fgetwc - read a wide character from a FILE stream
 * fgetwc_unlocked - nonlocking stdio functions
 * fgetws - read a wide-character string from a FILE stream
 * fgetws_unlocked - nonlocking stdio functions
 * fgetxattr - retrieve an extended attribute value
 * fgrep - print lines that match patterns
 * fiascotopnm - Convert compressed FIASCO image to PGM, or PPM
 * fifo - first-in first-out special file, named pipe
 * figlet-toilet - display large colourful characters
 * file - determine file type
 * file-hierarchy - File system hierarchy overview
 * file-rename (1p) - renames multiple files
 * file-roller - archive manager for GNOME
 * file2brl - Translate an xml or a text file into an embosser-ready braille file
 * File::BaseDir (3pm) - Use the Freedesktop.org base directory specification
 * File::DesktopEntry (3pm)- Object to handle .desktop files
 * File::FcntlLock (3pm)- File locking with fcntl
 * File::FcntlLock::Inline (3pm)- File locking with fcntl
 * File::FcntlLock::Pure (3pm)- File locking with fcntl
 * File::FcntlLock::XS (3pm)- File locking with fcntl
 * File::Find::Rule (3pm)- Alternative interface to File::Find
 * File::Find::Rule::Extending (3pm)- the mini-guide to extending File::Find::Rule
 * File::Find::Rule::Procedural (3pm)- File::Find::Rule's procedural interface
 * File::IconTheme (3pm)- find icon directories
 * File::Listing (3pm) - parse directory listing
 * File::MimeInfo (3pm)- Determine file type from the file name
 * File::MimeInfo::Applications (3pm)- Find programs to open a file by mimetype
 * File::MimeInfo::Cookbook (3pm)- various code snippets
 * File::MimeInfo::Magic (3pm)- Determine file type with magic
 * File::MimeInfo::Rox (3pm)- Open files by mimetype "Rox style"
 * File::Rename (3pm) - Perl extension for renaming multiple files
 * File::Rename::Options (3pm)- Option processing for File::Rename
 * File::UserDirs (3pm)- find extra media and documents directories
 * filefrag - report on file fragmentation
 * filefuncs (3am) - provide some file related functionality to gawk
 * fileno - check and reset stream status
 * fileno_unlocked - nonlocking stdio functions
 * filesystems - Linux filesystem types: ext, ext2, ext3, ext4, hpfs, iso9660, JFS,...
 * filter - cups file conversion filter interface
 * filterdiff - extract or exclude diffs from a diff file
 * finalrd - final runtime directory generator for shutdown
 * fincore - count pages of file contents in core
 * find - search for files in a directory hierarchy
 * findfs - find a filesystem by label or UUID
 * findmnt - find a filesystem
 * findrule (1p) - command line wrapper to File::Find::Rule
 * findsmb - list info about machines that respond to SMB name queries on a subnet
 * finite - BSD floating-point classification functions
 * finitef - BSD floating-point classification functions
 * finitel - BSD floating-point classification functions
 * firefox - a free and open source web browser from Mozilla
 * fitstopnm - convert a FITS file into a portable anymap
 * fixcvsdiff - fix problematic diff files
 * flatpak - Build, install and run applications and runtimes
 * flatpak-build - Build in a directory
 * flatpak-build-bundle - Create a single-file bundle from a local repository
 * flatpak-build-commit-from - Create new commits based on existing one (possibly from a...
 * flatpak-build-export - Create a repository from a build directory
 * flatpak-build-finish - Finalize a build directory
 * flatpak-build-import-bundle - Import a file bundle into a local repository
 * flatpak-build-init - Initialize a build directory
 * flatpak-build-sign - Sign an application or runtime
 * flatpak-build-update-repo - Create a repository from a build directory
 * flatpak-config - Manage configuration
 * flatpak-create-usb - Copy apps and/or runtimes onto removable media.
 * flatpak-document-export - Export a file to a sandboxed application
 * flatpak-document-info - Show information about exported files
 * flatpak-document-unexport - Stop exporting a file
 * flatpak-documents - List exported files
 * flatpak-enter - Enter an application or runtime's sandbox
 * flatpak-flatpakref - Reference to a remote for an application or runtime
 * flatpak-flatpakrepo - Reference to a remote
 * flatpak-history - Show history
 * flatpak-info - Show information about an installed application or runtime
 * flatpak-install - Install an application or runtime
 * flatpak-installation - Configuration for an installation location
 * flatpak-kill - Stop a running application
 * flatpak-list - List installed applications and/or runtimes
 * flatpak-make-current - Make a specific version of an app current
 * flatpak-mask - Mask out updates and automatic installation
 * flatpak-metadata - Information about an application or runtime
 * flatpak-override - Override application requirements
 * flatpak-permission-remove - Remove permissions
 * flatpak-permission-reset - Reset permissions
 * flatpak-permission-set - Set permissions
 * flatpak-permission-show - Show permissions
 * flatpak-permissions - List permissions
 * flatpak-ps - Enumerate running instances
 * flatpak-remote - Configuration for a remote
 * flatpak-remote-add - Add a remote repository
 * flatpak-remote-delete - Delete a remote repository
 * flatpak-remote-info - Show information about an application or runtime in a remote
 * flatpak-remote-ls - Show available runtimes and applications
 * flatpak-remote-modify - Modify a remote repository
 * flatpak-remotes - List remote repositories
 * flatpak-repair - Repair a flatpak installation
 * flatpak-repo - Show information about a local repository
 * flatpak-run - Run an application or open a shell in a runtime
 * flatpak-search - Search for applications and runtimes
 * flatpak-spawn - Run commands in a sandbox
 * flatpak-uninstall - Uninstall an application or runtime
 * flatpak-update - Update an application or runtime
 * flex - the fast lexical analyser generator
 * flex++ - the fast lexical analyser generator
 * flipdiff - exchange the order of two incremental patches
 * flistxattr - list extended attribute names
 * flock - manage locks from shell scripts
 * flock - apply or remove an advisory lock on an open file
 * flockfile - lock FILE for stdio
 * floor - largest integral value not greater than argument
 * floorf - largest integral value not greater than argument
 * floorl - largest integral value not greater than argument
 * fma - floating-point multiply and add
 * fmaf - floating-point multiply and add
 * fmal - floating-point multiply and add
 * fmax - determine maximum of two floating-point numbers
 * fmaxf - determine maximum of two floating-point numbers
 * fmaxl - determine maximum of two floating-point numbers
 * fmin - determine minimum of two floating-point numbers
 * fminf - determine minimum of two floating-point numbers
 * fminl - determine minimum of two floating-point numbers
 * fmod - floating-point remainder function
 * fmodf - floating-point remainder function
 * fmodl - floating-point remainder function
 * fmt - simple optimal text formatter
 * fmtmsg - print formatted error messages
 * fnmatch - match filename or pathname
 * fnmatch (3am) - compare a string against a filename wildcard
 * fold - wrap each input line to fit in specified width
 * Font::AFM (3pm) - Interface to Adobe Font Metrics files
 * Font::TTF (3pm) - Perl module for TrueType Font hacking
 * Font::TTF::AATKern (3pm)- AAT Kern table
 * Font::TTF::AATutils (3pm)- Utility functions for AAT tables
 * Font::TTF::Anchor (3pm)- Anchor points for GPOS tables
 * Font::TTF::Bsln (3pm)- Baseline table in a font
 * Font::TTF::Coverage (3pm)- Opentype coverage and class definition objects
 * Font::TTF::Delta (3pm)- Opentype Device tables
 * Font::TTF::Dumper (3pm)- Debug dump of a font datastructure, avoiding recursion on ' PAR...
 * Font::TTF::EBDT (3pm)- Embeeded Bitmap Data Table
 * Font::TTF::EBLC (3pm)- Embeeded Bitmap Location Table
 * Font::TTF::Fdsc (3pm)- Font Descriptors table in a font
 * Font::TTF::Feat (3pm)- Font Features
 * Font::TTF::Features::Cvar (3pm)- Class for Character Variants Feature Parameters
 * Font::TTF::Features::Size (3pm)- Class for Size Feature Parameters
 * Font::TTF::Features::Sset (3pm)- Class for Stylistic Set Feature Parameters
 * Font::TTF::Fmtx (3pm)- Font Metrics table
 * Font::TTF::Font (3pm)- Memory representation of a font
 * Font::TTF::Fpgm (3pm)- Font program in a TrueType font. Called when a font is loaded
 * Font::TTF::GDEF (3pm)- Opentype GDEF table support
 * Font::TTF::Glat (3pm)- Hold glyph attributes
 * Font::TTF::Gloc (3pm)- Offsets into Glat table for the start of the attributes for each ...
 * Font::TTF::Glyf (3pm)- The Glyf data table
 * Font::TTF::Glyph (3pm)- Holds a information for a single glyph
 * Font::TTF::GPOS (3pm)- Support for Opentype GPOS tables in conjunction with TTOpen
 * Font::TTF::GrFeat (3pm)- Graphite Font Features
 * Font::TTF::GSUB (3pm)- Module support for the GSUB table in conjunction with TTOpen
 * Font::TTF::Hdmx (3pm)- Horizontal device metrics
 * Font::TTF::Hmtx (3pm)- Horizontal Metrics
 * Font::TTF::Kern (3pm)- Kerning tables
 * Font::TTF::Kern::ClassArray (3pm)- ClassArray Kern Subtable for AAT
 * Font::TTF::Kern::CompactClassArray (3pm)- Compact Class Array kern subtable for AAT
 * Font::TTF::Kern::OrderedList (3pm)- Ordered List Kern subtable for AAT
 * Font::TTF::Kern::StateTable (3pm)- State Table Kern subtable for AAT
 * Font::TTF::Kern::Subtable (3pm)- Kern Subtable superclass for AAT
 * Font::TTF::Loca (3pm)- the Locations table, which is intimately tied to the glyf table
 * Font::TTF::Manual (3pm)- Information regarding the whole module set
 * Font::TTF::Maxp (3pm)- Maximum Profile table in a font
 * Font::TTF::Mort (3pm)- Glyph Metamorphosis table in a font
 * Font::TTF::Mort::Chain (3pm)- Chain Mort subtable for AAT
 * Font::TTF::Mort::Contextual (3pm)- Contextual Mort subtable for AAT
 * Font::TTF::Mort::Insertion (3pm)- Insertion Mort subtable for AAT
 * Font::TTF::Mort::Ligature (3pm)- Ligature Mort subtable for AAT
 * Font::TTF::Mort::Noncontextual (3pm)- Noncontextual Mort subtable for AAT
 * Font::TTF::Mort::Rearrangement (3pm)- Rearrangement Mort subtable for AAT
 * Font::TTF::Mort::Subtable (3pm)- Mort subtable superclass for AAT
 * Font::TTF::Name (3pm)- String table for a TTF font
 * Font::TTF::OldCmap (3pm)- Character map table
 * Font::TTF::OldMort (3pm)- Glyph Metamorphosis table in a font
 * Font::TTF::OTTags (3pm)- Utilities for TrueType/OpenType tags
 * Font::TTF::Post (3pm)- Holds the Postscript names for each glyph
 * Font::TTF::Prep (3pm)- Preparation hinting program. Called when ppem changes
 * Font::TTF::Prop (3pm)- Glyph Properties table in a font
 * Font::TTF::PSNames (3pm)- Utilities for Postscript glyph name processing
 * Font::TTF::Segarr (3pm)- Segmented array
 * Font::TTF::Silf (3pm)- The main Graphite table
 * Font::TTF::Sill (3pm)- Graphite language mapping table
 * Font::TTF::Table (3pm)- Superclass for tables and used for tables we don't have a class for
 * Font::TTF::Ttopen (3pm)- Opentype superclass for standard Opentype lookup based tables (...
 * Font::TTF::Useall (3pm)- shortcut to 'use' all the Font::TTF modules
 * Font::TTF::Utils (3pm)- Utility functions to save fingers
 * Font::TTF::Vmtx (3pm)- Vertical Metrics
 * Font::TTF::Woff::MetaData (3pm)- WOFF metadata
 * Font::TTF::Woff::PrivateData (3pm)- WOFF Private data
 * Font::TTF::XMLparse (3pm)- provides support for XML parsing. Requires Expat module XML::...
 * fonts-conf - Font configuration files
 * fonttosfnt - Wrap a bitmap font in a sfnt (TrueType) wrapper
 * foo2ddst - Convert Ghostscript pbmraw into a DDST printer stream
 * foo2ddst-wrapper - Convert Postscript into a DDST printer stream
 * foo2hbpl2 - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2hbpl2-wrapper - Convert Postscript into a ZJS printer stream
 * foo2hiperc - Convert Ghostscript pbmraw or bitcmyk format into a HIPERC printer...
 * foo2hiperc-wrapper - Convert Postscript into a HIPERC printer stream
 * foo2hp - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2hp2600-wrapper - Convert Postscript into a ZJS printer stream
 * foo2lava - Convert Ghostscript pbmraw or bitcmyk format into a LAVAFLOW or a ...
 * foo2lava-wrapper - Convert Postscript into a LAVAFLOW or OPL printer stream
 * foo2oak - Convert Ghostscript pbmraw, pgmraw or bitcmyk format into an OAKT ...
 * foo2oak-wrapper - Convert Postscript into an OAKT printer stream
 * foo2qpdl - Convert Ghostscript pbmraw or bitcmyk format into a QPDL printer s...
 * foo2qpdl-wrapper - Convert Postscript into a QPDL printer stream
 * foo2slx - Convert Ghostscript pbmraw or bitcmyk format into a SLX printer st...
 * foo2slx-wrapper - Convert Postscript into a SLX printer stream
 * foo2xqx - Convert Ghostscript pbmraw into a XQX printer stream
 * foo2xqx-wrapper - Convert Postscript into a XQX printer stream
 * foo2zjs - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2zjs-pstops - Add PS code for foo2*-wrapper
 * foo2zjs-wrapper - Convert Postscript into a ZJS printer stream
 * foomatic-rip - Universal print filter/RIP wrapper
 * fopen - stream open functions
 * fopencookie - opening a custom stream
 * fork - create a child process
 * fork (3am) - basic process management
 * fpathconf - get configuration values for files
 * fpclassify - floating-point classification macros
 * fprintd - Fingerprint management daemon, and test applications
 * fprintd-delete - Fingerprint management daemon, and test applications
 * fprintd-enroll - Fingerprint management daemon, and test applications
 * fprintd-list - Fingerprint management daemon, and test applications
 * fprintd-verify - Fingerprint management daemon, and test applications
 * fprintf - formatted output conversion
 * fpurge - purge a stream
 * fputc - output of characters and strings
 * fputc_unlocked - nonlocking stdio functions
 * fputs - output of characters and strings
 * fputs_unlocked - nonlocking stdio functions
 * fputwc - write a wide character to a FILE stream
 * fputwc_unlocked - nonlocking stdio functions
 * fputws - write a wide-character string to a FILE stream
 * fputws_unlocked - nonlocking stdio functions
 * fread_unlocked - nonlocking stdio functions
 * free - Display amount of free and used memory in the system
 * free - allocate and free dynamic memory
 * free_hugepages - allocate or free huge pages
 * freeaddrinfo - network address and service translation
 * freehostent - get network hostnames and addresses
 * freeifaddrs - get interface addresses
 * freelocale - create, modify, and free a locale object
 * fremovexattr - remove an extended attribute
 * frexp - convert floating-point number to fractional and integral components
 * frexpf - convert floating-point number to fractional and integral components
 * frexpl - convert floating-point number to fractional and integral components
 * from - print names of those who have sent mail
 * fs - Linux filesystem types: ext, ext2, ext3, ext4, hpfs, iso9660, JFS,...
 * fsadm - utility to resize or check filesystem on a device
 * fscanf - input format conversion
 * fsck - check and repair a Linux filesystem
 * fsck.btrfs - do nothing, successfully
 * fsck.cramfs - fsck compressed ROM file system
 * fsck.exfat - check an exFAT file system
 * fsck.ext2 - check a Linux ext2/ext3/ext4 file system
 * fsck.ext3 - check a Linux ext2/ext3/ext4 file system
 * fsck.ext4 - check a Linux ext2/ext3/ext4 file system
 * fsck.fat - check and repair MS-DOS filesystems
 * fsck.hfs - HFS file system consistency check
 * fsck.hfsplus - HFS file system consistency check
 * fsck.jfs - initiate replay of the JFS transaction log, and check and repair a...
 * fsck.minix - check consistency of Minix filesystem
 * fsck.msdos - check and repair MS-DOS filesystems
 * fsck.reiserfs - The checking tool for the ReiserFS filesystem.
 * fsck.vfat - check and repair MS-DOS filesystems
 * fsck.xfs - do nothing, successfully
 * fseeko - seek to or report file position
 * fsetxattr - set an extended attribute value
 * fsf-funding (7gcc) - Funding Free Software
 * fsfreeze - suspend access to a filesystem (Ext3/4, ReiserFS, JFS, XFS)
 * fstab - static information about the filesystems
 * fstab-decode - run a command with fstab-encoded arguments
 * fstat - get file status
 * fstat64 - get file status
 * fstatat - get file status
 * fstatat64 - get file status
 * fstatfs - get filesystem statistics
 * fstatfs64 - get filesystem statistics
 * fstatvfs - get filesystem statistics
 * fstatvfs - get filesystem statistics
 * fstopgm - convert a Usenix FaceSaver(tm) file into a portable graymap
 * fstrim - discard unused blocks on a mounted filesystem
 * fsync - synchronize a file's in-core state with storage device
 * ftell - reposition a stream
 * ftello - seek to or report file position
 * ftime - return date and time
 * ftm - feature test macros
 * ftok - convert a pathname and a project identifier to a System V IPC key
 * ftp - Internet file transfer program
 * ftruncate - truncate a file to a specified length
 * ftruncate64 - truncate a file to a specified length
 * ftrylockfile - lock FILE for stdio
 * fts - traverse a file hierarchy
 * fts_children - traverse a file hierarchy
 * fts_close - traverse a file hierarchy
 * fts_open - traverse a file hierarchy
 * fts_read - traverse a file hierarchy
 * fts_set - traverse a file hierarchy
 * ftw - file tree walk
 * funlockfile - lock FILE for stdio
 * funzip - filter for extracting from a ZIP archive in a pipe
 * fuse - Filesystem in Userspace (FUSE) device
 * mount.fuse - format and options for the fuse file systems
 * fuser - identify processes using files or sockets
 * fusermount - unmount FUSE filesystems
 * futex - fast user-space locking
 * futex - fast user-space locking
 * futimens - change file timestamps with nanosecond precision
 * futimes - change file timestamps
 * futimesat - change timestamps of a file relative to a directory file descriptor
 * Future (3pm) - represent an operation awaiting completion
 * Future::AsyncAwait (3pm)- deferred subroutine syntax for futures
 * Future::AsyncAwait::Awaitable (3pm)- the interface required by "Future::AsyncAwait"
 * Future::Exception (3pm)- an exception type for failed Futures
 * Future::IO::Impl::IOAsync (3pm)- implement "Future::IO" using "IO::Async"
 * Future::Mutex (3pm) - mutual exclusion lock around code that returns Futures
 * Future::Queue (3pm) - a FIFO queue of values that uses Futures
 * Future::Utils (3pm) - utility functions for working with "Future" objects
 * fwide - set and determine the orientation of a FILE stream
 * fwprintf - formatted wide-character output conversion
 * fwrite_unlocked - nonlocking stdio functions
 * fwupdagent - Firmware updating agent
 * fwupdate - Debugging utility for UEFI firmware updates
 * fwupdmgr - Firmware update manager client utility
 * fwupdtool - Standalone firmware update utility
 * fwupdtpmevlog - Debugging utility for the TPM event log
 * g++ - GNU project C and C++ compiler
 * g++-9 - GNU project C and C++ compiler
 * g3topbm - convert a Group 3 fax file into a portable bitmap
 * gacutil - Global Assembly Cache management utility.
 * gai.conf - getaddrinfo configuration file
 * gai_cancel - asynchronous network address and service translation
 * gai_error - asynchronous network address and service translation
 * gai_strerror - network address and service translation
 * gai_suspend - asynchronous network address and service translation
 * gamemoded - optimises system performance on demand
 * gamma - (logarithm of the) gamma function
 * gamma4scanimage - create a gamma table for scanimage
 * gammaf - (logarithm of the) gamma function
 * gammal - (logarithm of the) gamma function
 * gapplication - D-Bus application launcher
 * gatttool - tool for Bluetooth Low Energy device
 * gawk - pattern scanning and processing language
 * gc - count graph components
 * gcalccmd - a console calculator
 * gcc - GNU project C and C++ compiler
 * gcc-9 - GNU project C and C++ compiler
 * gcc-ar - a wrapper around ar adding the--plugin option
 * gcc-ar-9 - a wrapper around ar adding the--plugin option
 * gcc-nm - a wrapper around nm adding the--plugin option
 * gcc-nm-9 - a wrapper around nm adding the--plugin option
 * gcc-ranlib - a wrapper around ranlib adding the--plugin option
 * gcc-ranlib-9 - a wrapper around ranlib adding the--plugin option
 * gcore - Generate a core file of a running program
 * gcov - coverage testing tool
 * gcov-9 - coverage testing tool
 * gcov-dump - offline gcda and gcno profile dump tool
 * gcov-dump-9 - offline gcda and gcno profile dump tool
 * gcov-tool - offline gcda profile processing tool
 * gcov-tool-9 - offline gcda profile processing tool
 * gcvt - convert a floating-point number to a string
 * gdb - The GNU Debugger
 * gdbserver - Remote Server for the GNU Debugger
 * gdbus - Tool for working with D-Bus objects
 * gdebi - Simple tool to install deb files
 * gdebi-gtk - Simple tool to install deb files
 * gdisk - Interactive GUID partition table (GPT) manipulator
 * gdk-pixbuf-csource - C code generation utility for GdkPixbuf images
 * gdk-pixbuf-pixdata - GDK Pixbuf library
 * gdk-pixbuf-query-loaders - GdkPixbuf loader registration utility
 * gemtopbm - convert a GEM .img file into a portable anymap
 * gemtopnm - convert a GEM .img file into a portable anymap
 * gencat - Generate message catalog
 * gendiff - utility to aid in error-free diff file generation
 * gendsa (1ssl) - generate a DSA private key from a set of parameters
 * generic - Postfix generic table format
 * genisoimage - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * genisoimagerc - startup configuration file for genisoimage
 * genl - generic netlink utility frontend
 * genpkey (1ssl) - generate a private key
 * genrsa (1ssl) - generate an RSA private key
 * geoclue - geoclue configuration parameters
 * geqn - format equations for troff or MathML
 * GET (1p) - Simple command line user agent
 * get_avphys_pages - get total and available physical page counts
 * getcwd - get current working directory
 * get_current_dir_name - get current working directory
 * get_kernel_syms - retrieve exported kernel and module symbols
 * get_mempolicy - retrieve NUMA memory policy for a thread
 * get_myaddress - library routines for remote procedure calls
 * get_nprocs - get number of processors
 * get_nprocs_conf - get number of processors
 * get_phys_pages - get total and available physical page counts
 * get_robust_list - get/set list of robust futexes
 * get_thread_area - manipulate thread-local storage information
 * getaddrinfo - network address and service translation
 * getaddrinfo_a - asynchronous network address and service translation
 * getaliasbyname - read an alias entry
 * getaliasbyname_r - read an alias entry
 * getaliasent - read an alias entry
 * getaliasent_r - read an alias entry
 * getauxval - retrieve a value from the auxiliary vector
 * getc - input of characters and strings
 * getc_unlocked - nonlocking stdio functions
 * getcap - examine file capabilities
 * getchar - input of characters and strings
 * getchar_unlocked - nonlocking stdio functions
 * getcifsacl - Userspace helper to display an ACL in a security descriptor for Co...
 * getconf - Query system configuration variables
 * getcontext - get or set the user context
 * getcontext - get or set the user context
 * getcpu - determine CPU and NUMA node on which the calling thread is running
 * getcwd - get current working directory
 * getdate - convert a date-plus-time string to broken-down time
 * getdate_err - convert a date-plus-time string to broken-down time
 * getdate_r - convert a date-plus-time string to broken-down time
 * getdelim - delimited string input
 * getdents - get directory entries
 * getdents64 - get directory entries
 * getdirentries - get directory entries in a filesystem-independent format
 * getdomainname - get/set NIS domain name
 * getdtablesize - get file descriptor table size
 * getdtablesize - get file descriptor table size
 * getegid - get group identity
 * getegid32 - get group identity
 * geteltorito - an El Torito boot image extractor
 * getent - get entries from Name Service Switch libraries
 * getentropy - fill a buffer with random bytes
 * getenv - get an environment variable
 * geteuid - get user identity
 * geteuid32 - get user identity
 * getfacl - get file access control lists
 * getfattr - get extended attributes of filesystem objects
 * getfsent - handle fstab entries
 * getfsfile - handle fstab entries
 * getfsspec - handle fstab entries
 * getgid - get group identity
 * getgid32 - get group identity
 * getgrent - get group file entry
 * getgrent_r - get group file entry reentrantly
 * getgrgid - get group file entry
 * getgrgid_r - get group file entry
 * getgrnam - get group file entry
 * getgrnam_r - get group file entry
 * getgrouplist - get list of groups to which a user belongs
 * getgroups - get/set list of supplementary group IDs
 * getgroups32 - get/set list of supplementary group IDs
 * gethostbyaddr - get network host entry
 * gethostbyaddr_r - get network host entry
 * gethostbyname - get network host entry
 * gethostbyname2 - get network host entry
 * gethostbyname2_r - get network host entry
 * gethostbyname_r - get network host entry
 * gethostent - get network host entry
 * gethostent_r - get network host entry
 * gethostid - get or set the unique identifier of the current host
 * gethostid - get or set the unique identifier of the current host
 * gethostip - convert an IP address into various formats
 * gethostname - get/set hostname
 * getifaddrs - get interface addresses
 * getipnodebyaddr - get network hostnames and addresses
 * getipnodebyname - get network hostnames and addresses
 * getitimer - get or set value of an interval timer
 * getkeycodes - print kernel scancode-to-keycode mapping table
 * getline - delimited string input
 * getloadavg - get system load averages
 * getlogin - get username
 * getlogin_r - get username
 * getmntent - get filesystem descriptor file entry
 * getmntent_r - get filesystem descriptor file entry
 * getmsg - unimplemented system calls
 * getnameinfo - address-to-name translation in protocol-independent manner
 * getnetbyaddr - get network entry
 * getnetbyaddr_r - get network entry (reentrant)
 * getnetbyname - get network entry
 * getnetbyname_r - get network entry (reentrant)
 * getnetent - get network entry
 * getnetent_r - get network entry (reentrant)
 * getnetgrent - handle network group entries
 * getnetgrent_r - handle network group entries
 * getopt - parse command options (enhanced)
 * getopt - Parse command-line options
 * getopt_long - Parse command-line options
 * getopt_long_only - Parse command-line options
 * getpagesize - get memory page size
 * getpass - get a password
 * getpcaps - List Process Capabilities
 * getpcaps - display process capabilities
 * getpeername - get name of connected peer socket
 * getpgid - set/get process group
 * getpgrp - set/get process group
 * getpid - get process identification
 * getpmsg - unimplemented system calls
 * getppid - get process identification
 * getpriority - get/set program scheduling priority
 * getprotobyname - get protocol entry
 * getprotobyname_r - get protocol entry (reentrant)
 * getprotobynumber - get protocol entry
 * getprotobynumber_r - get protocol entry (reentrant)
 * getprotoent - get protocol entry
 * getprotoent_r - get protocol entry (reentrant)
 * getpt - open the pseudoterminal master (PTM)
 * getpw - reconstruct password line entry
 * getpwent - get password file entry
 * getpwent_r - get passwd file entry reentrantly
 * getpwnam - get password file entry
 * getpwnam_r - get password file entry
 * getpwuid - get password file entry
 * getpwuid_r - get password file entry
 * getrandom - obtain a series of random bytes
 * getresgid - get real, effective and saved user/group IDs
 * getresgid32 - get real, effective and saved user/group IDs
 * getresuid - get real, effective and saved user/group IDs
 * getresuid32 - get real, effective and saved user/group IDs
 * getrlimit - get/set resource limits
 * getrpcbyname - get RPC entry
 * getrpcbyname_r - get RPC entry (reentrant)
 * getrpcbynumber - get RPC entry
 * getrpcbynumber_r - get RPC entry (reentrant)
 * getrpcent - get RPC entry
 * getrpcent_r - get RPC entry (reentrant)
 * getrpcport - get RPC port number
 * getrusage - get resource usage
 * gets - get a string from standard input (DEPRECATED)
 * getservbyname - get service entry
 * getservbyname_r - get service entry (reentrant)
 * getservbyport - get service entry
 * getservbyport_r - get service entry (reentrant)
 * getservent - get service entry
 * getservent_r - get service entry (reentrant)
 * getsid - get session ID
 * getsockname - get socket name
 * getsockopt - get and set options on sockets
 * getspent - get shadow password file entry
 * getspent_r - get shadow password file entry
 * getspnam - get shadow password file entry
 * getspnam_r - get shadow password file entry
 * getsubopt - parse suboption arguments from a string
 * gettext - translate message
 * gettext - translate message
 * gettextize - install or upgrade gettext infrastructure
 * gettid - get thread identification
 * gettimeofday - get / set time
 * getttyent - get ttys file entry
 * getttynam - get ttys file entry
 * getty - alternative Linux getty
 * getuid - get user identity
 * getuid32 - get user identity
 * getumask - get file creation mask
 * getunwind - copy the unwind data to caller's buffer
 * getusershell - get permitted user shells
 * getutent - access utmp file entries
 * getutent_r - access utmp file entries
 * getutid - access utmp file entries
 * getutid_r - access utmp file entries
 * getutline - access utmp file entries
 * getutline_r - access utmp file entries
 * getutmp - copy utmp structure to utmpx, and vice versa
 * getutmpx - copy utmp structure to utmpx, and vice versa
 * getutxent - access utmp file entries
 * getutxid - access utmp file entries
 * getutxline - access utmp file entries
 * getw - input and output of words (ints)
 * getwc - read a wide character from a FILE stream
 * getwc_unlocked - nonlocking stdio functions
 * getwchar - read a wide character from standard input
 * getwchar_unlocked - nonlocking stdio functions
 * getwd - get current working directory
 * getxattr - retrieve an extended attribute value
 * gfdl (7gcc) - GNU Free Documentation License
 * gftp - file transfer client for *NIX based machines.
 * gftp-gtk - file transfer client for *NIX based machines.
 * gftp-text - file transfer client for *NIX based machines.
 * ghostscript - Ghostscript (PostScript and PDF language interpreter and previewer)
 * gifdiff - compares GIF images
 * gifsicle - manipulates GIF images and animations
 * giftopnm - convert a GIF file into a portable anymap
 * gifview - displays GIF images and animations on the X window system
 * gimp - an image manipulation and paint program.
 * gimp-2.10 - an image manipulation and paint program.
 * gimp-console - an image manipulation and paint program.
 * gimp-console-2.10 - an image manipulation and paint program.
 * gimprc - gimp configuration file
 * gimprc-2.10 - gimp configuration file
 * ginstall-info - update info/dir entries
 * gio - GIO commandline tool
 * gio-querymodules - GIO module cache creation
 * gipddecode - Decode a GIPD stream into human readable form.
 * git - the stupid content tracker
 * git-add - Add file contents to the index
 * git-am - Apply a series of patches from a mailbox
 * git-annotate - Annotate file lines with commit information
 * git-apply - Apply a patch to files and/or to the index
 * git-archive - Create an archive of files from a named tree
 * git-bisect - Use binary search to find the commit that introduced a bug
 * git-blame - Show what revision and author last modified each line of a file
 * git-branch - List, create, or delete branches
 * git-bundle - Move objects and refs by archive
 * git-cat-file - Provide content or type and size information for repository objects
 * git-check-attr - Display gitattributes information
 * git-check-ignore - Debug gitignore / exclude files
 * git-check-mailmap - Show canonical names and email addresses of contacts
 * git-check-ref-format - Ensures that a reference name is well formed
 * git-checkout - Switch branches or restore working tree files
 * git-checkout-index - Copy files from the index to the working tree
 * git-cherry - Find commits yet to be applied to upstream
 * git-cherry-pick - Apply the changes introduced by some existing commits
 * git-clean - Remove untracked files from the working tree
 * git-clone - Clone a repository into a new directory
 * git-column - Display data in columns
 * git-commit - Record changes to the repository
 * git-commit-graph - Write and verify Git commit-graph files
 * git-commit-tree - Create a new commit object
 * git-config - Get and set repository or global options
 * git-count-objects - Count unpacked number of objects and their disk consumption
 * git-credential - Retrieve and store user credentials
 * git-credential-cache - Helper to temporarily store passwords in memory
 * git-credential-cache--daemon - Temporarily store user credentials in memory
 * git-credential-store - Helper to store credentials on disk
 * git-daemon - A really simple server for Git repositories
 * git-describe - Give an object a human readable name based on an available ref
 * git-diff - Show changes between commits, commit and working tree, etc
 * git-diff-files - Compares files in the working tree and the index
 * git-diff-index - Compare a tree to the working tree or index
 * git-diff-tree - Compares the content and mode of blobs found via two tree objects
 * git-difftool - Show changes using common diff tools
 * git-fast-export - Git data exporter
 * git-fast-import - Backend for fast Git data importers
 * git-fetch - Download objects and refs from another repository
 * git-fetch-pack - Receive missing objects from another repository
 * git-filter-branch - Rewrite branches
 * git-fmt-merge-msg - Produce a merge commit message
 * git-for-each-ref - Output information on each ref
 * git-format-patch - Prepare patches for e-mail submission
 * git-fsck - Verifies the connectivity and validity of the objects in the database
 * git-fsck-objects - Verifies the connectivity and validity of the objects in the database
 * git-gc - Cleanup unnecessary files and optimize the local repository
 * git-get-tar-commit-id - Extract commit ID from an archive created using git-archive
 * git-grep - Print lines matching a pattern
 * git-hash-object - Compute object ID and optionally creates a blob from a file
 * git-help - Display help information about Git
 * git-http-backend - Server side implementation of Git over HTTP
 * git-http-fetch - Download from a remote Git repository via HTTP
 * git-http-push - Push objects over HTTP/DAV to another repository
 * git-imap-send - Send a collection of patches from stdin to an IMAP folder
 * git-index-pack - Build pack index file for an existing packed archive
 * git-init - Create an empty Git repository or reinitialize an existing one
 * git-init-db - Creates an empty Git repository
 * git-instaweb - Instantly browse your working repository in gitweb
 * git-interpret-trailers - Add or parse structured information in commit messages
 * git-log - Show commit logs
 * git-ls-files - Show information about files in the index and the working tree
 * git-ls-remote - List references in a remote repository
 * git-ls-tree - List the contents of a tree object
 * git-mailinfo - Extracts patch and authorship from a single e-mail message
 * git-mailsplit - Simple UNIX mbox splitter program
 * git-merge - Join two or more development histories together
 * git-merge-base - Find as good common ancestors as possible for a merge
 * git-merge-file - Run a three-way file merge
 * git-merge-index - Run a merge for files needing merging
 * git-merge-one-file - The standard helper program to use with git-merge-index
 * git-merge-tree - Show three-way merge without touching index
 * git-mergetool - Run merge conflict resolution tools to resolve merge conflicts
 * git-mergetool--lib - Common Git merge tool shell scriptlets
 * git-mktag - Creates a tag object
 * git-mktree - Build a tree-object from ls-tree formatted text
 * git-multi-pack-index - Write and verify multi-pack-indexes
 * git-mv - Move or rename a file, a directory, or a symlink
 * git-name-rev - Find symbolic names for given revs
 * git-notes - Add or inspect object notes
 * git-pack-objects - Create a packed archive of objects
 * git-pack-redundant - Find redundant pack files
 * git-pack-refs - Pack heads and tags for efficient repository access
 * git-parse-remote - Routines to help parsing remote repository access parameters
 * git-patch-id - Compute unique ID for a patch
 * git-prune - Prune all unreachable objects from the object database
 * git-prune-packed - Remove extra objects that are already in pack files
 * git-pull - Fetch from and integrate with another repository or a local branch
 * git-push - Update remote refs along with associated objects
 * git-quiltimport - Applies a quilt patchset onto the current branch
 * git-range-diff - Compare two commit ranges (e.g. two versions of a branch)
 * git-read-tree - Reads tree information into the index
 * git-rebase - Reapply commits on top of another base tip
 * git-receive-pack - Receive what is pushed into the repository
 * git-reflog - Manage reflog information
 * git-remote - Manage set of tracked repositories
 * git-remote-ext - Bridge smart transport to external command.
 * git-remote-fd - Reflect smart transport stream back to caller
 * git-repack - Pack unpacked objects in a repository
 * git-replace - Create, list, delete refs to replace objects
 * git-request-pull - Generates a summary of pending changes
 * git-rerere - Reuse recorded resolution of conflicted merges
 * git-reset - Reset current HEAD to the specified state
 * git-restore - Restore working tree files
 * git-rev-list - Lists commit objects in reverse chronological order
 * git-rev-parse - Pick out and massage parameters
 * git-revert - Revert some existing commits
 * git-rm - Remove files from the working tree and from the index
 * git-send-pack - Push objects over Git protocol to another repository
 * git-sh-i18n - Git's i18n setup code for shell scripts
 * git-sh-i18n--envsubst - Git's own envsubst for i18n fallbacks
 * git-sh-setup - Common Git shell script setup code
 * git-shell - Restricted login shell for Git-only SSH access
 * git-shortlog - Summarize 'git log' output
 * git-show - Show various types of objects
 * git-show-branch - Show branches and their commits
 * git-show-index - Show packed archive index
 * git-show-ref - List references in a local repository
 * git-sparse-checkout - Initialize and modify the sparse-checkout configuration, which ...
 * git-stage - Add file contents to the staging area
 * git-stash - Stash the changes in a dirty working directory away
 * git-status - Show the working tree status
 * git-stripspace - Remove unnecessary whitespace
 * git-submodule - Initialize, update or inspect submodules
 * git-subtree - Merge subtrees together and split repository into subtrees
 * git-switch - Switch branches
 * git-symbolic-ref - Read, modify and delete symbolic refs
 * git-tag - Create, list, delete or verify a tag object signed with GPG
 * git-unpack-file - Creates a temporary file with a blob's contents
 * git-unpack-objects - Unpack objects from a packed archive
 * git-update-index - Register file contents in the working tree to the index
 * git-update-ref - Update the object name stored in a ref safely
 * git-update-server-info - Update auxiliary info file to help dumb servers
 * git-upload-archive - Send archive back to git-archive
 * git-upload-pack - Send objects packed back to git-fetch-pack
 * git-var - Show a Git logical variable
 * git-verify-commit - Check the GPG signature of commits
 * git-verify-pack - Validate packed Git archive files
 * git-verify-tag - Check the GPG signature of tags
 * git-web--browse - Git helper script to launch a web browser
 * git-whatchanged - Show logs with difference each commit introduces
 * git-worktree - Manage multiple working trees
 * git-write-tree - Create a tree object from the current index
 * gitattributes - Defining attributes per path
 * gitcli - Git command-line interface and conventions
 * gitcore-tutorial - A Git core tutorial for developers
 * gitcredentials - providing usernames and passwords to Git
 * gitcvs-migration - Git for CVS users
 * gitdiffcore - Tweaking diff output
 * giteveryday - A useful minimum set of commands for Everyday Git
 * gitglossary - A Git Glossary
 * githooks - Hooks used by Git
 * gitignore - Specifies intentionally untracked files to ignore
 * gitmodules - Defining submodule properties
 * gitnamespaces - Git namespaces
 * gitremote-helpers - Helper programs to interact with remote repositories
 * gitrepository-layout - Git Repository Layout
 * gitrevisions - Specifying revisions and ranges for Git
 * gitsubmodules - Mounting one repository inside another
 * gittutorial - A tutorial introduction to Git
 * gittutorial-2 - A tutorial introduction to Git: part two
 * gitweb - Git web interface (web frontend to Git repositories)
 * gitweb.conf - Gitweb (Git web interface) configuration file
 * gitworkflows - An overview of recommended workflows with Git
 * Glib (3pm) - Perl wrappers for the GLib utility and Object libraries
 * glib-compile-schemas - GSettings schema compiler
 * Glib::BookmarkFile (3pm)- Parser for bookmark files
 * Glib::Boxed (3pm) - Generic wrappers for C structures
 * Glib::Bytes (3pm) - Wrappers for bytes objects in GLib
 * Glib::CodeGen (3pm) - code generation utilities for Glib-based bindings.
 * Glib::devel (3pm) - Binding developer's overview of Glib's internals
 * Glib::Error (3pm) - Exception Objects based on GError
 * Glib::Flags (3pm) - methods and overloaded operators for flags
 * Glib::GenPod (3pm) - POD generation utilities for Glib-based modules
 * Glib::index (3pm) - API Reference Pod Index
 * Glib::KeyFile (3pm) - Parser for .ini-like files
 * Glib::Log (3pm) - A flexible logging mechanism
 * Glib::MainLoop (3pm)- An event source manager
 * Glib::MakeHelper (3pm)- Makefile.PL utilities for Glib-based extensions
 * Glib::Markup (3pm) - markup handling functions
 * Glib::Object (3pm) - Bindings for GObject
 * Glib::Object::Introspection (3pm)- Dynamically create Perl language bindings
 * Glib::Object::Subclass (3pm)- register a perl class as a GObject class
 * Glib::OptionContext (3pm)- defines options accepted by the commandline option parser
 * Glib::OptionGroup (3pm)- group of options for command line option parsing
 * Glib::Param::Boolean (3pm)- Wrapper for boolean parameters in GLib
 * Glib::Param::Double (3pm)- Wrapper for double parameters in GLib
 * Glib::Param::Enum (3pm)- Wrapper for enum parameters in GLib
 * Glib::Param::Flags (3pm)- Wrapper for flag parameters in GLib
 * Glib::Param::GType (3pm)- Wrapper for type parameters in GLib
 * Glib::Param::Int (3pm)- Paramspecs for integer types
 * Glib::Param::Int64 (3pm)- Wrapper for int64 parameters in GLib
 * Glib::Param::String (3pm)- Wrapper for string parameters in GLib
 * Glib::Param::UInt (3pm)- Wrapper for uint parameters in GLib
 * Glib::Param::UInt64 (3pm)- Wrapper for uint64 parameters in GLib
 * Glib::Param::Unichar (3pm)- Wrapper for unichar parameters in GLib
 * Glib::ParamSpec (3pm)- encapsulates metadate needed to specify parameters
 * Glib::ParseXSDoc (3pm)- Parse POD and XSub declarations from XS files.
 * Glib::Signal (3pm) - Object customization and general purpose notification
 * Glib::Type (3pm) - Utilities for dealing with the GLib Type system
 * Glib::Utils (3pm) - Miscellaneous utility functions
 * Glib::Variant (3pm) - strongly typed value datatype
 * Glib::VariantDict (3pm)- Utilities for dealing with the GVariantDict mutable interface t...
 * Glib::VariantType (3pm)- Utilities for dealing with the GVariant type system
 * Glib::version (3pm) - Library Versioning Utilities
 * Glib::xsapi (3pm) - internal API reference for GPerl.
 * glibc - overview of standard C libraries on Linux
 * glob - find pathnames matching a pattern, free memory from glob
 * glob - globbing pathnames
 * globfree - find pathnames matching a pattern, free memory from glob
 * glxdemo - a demonstration of the GLX functions
 * glxgears - ``gears'' demo for GLX
 * glxheads - exercise multiple GLX connections
 * glxinfo - show information about the GLX implementation
 * glyrc - search engine for music-related metadata
 * gml2gv - GML-DOT converters
 * gmtime - transform date and time to broken-down time or ASCII
 * gmtime_r - transform date and time to broken-down time or ASCII
 * gmtp - simple MP3 player client for MTP based devices
 * gnome-calculator - a desktop calculator
 * gnome-character-map - Unicode character picker and font browser
 * gnome-disk-image-mounter - Attach and mount disk images
 * gnome-disks - the GNOME Disks application
 * gnome-help - browse system documentation
 * gnome-keyring - The gnome-keyring commandline tool
 * gnome-keyring-3 - The gnome-keyring commandline tool
 * gnome-keyring-daemon - The gnome-keyring daemon
 * gnome-logs - log viewer for the systemd journal
 * gnome-power-statistics - gnome power statistics gui
 * gnome-screenshot - capture the screen, a window, or an user-defined area and save the...
 * gnome-session - Start the GNOME desktop environment
 * gnome-session-cinnamon - Start the GNOME desktop environment
 * gnome-session-cinnamon2d - Start the GNOME desktop environment
 * gnome-session-inhibit - inhibit gnome-session functionality
 * gnome-session-quit - End the current GNOME session
 * gnome-system-monitor - view and control processes
 * gnome-terminal - is a terminal emulation application.
 * gnome-terminal.wrapper - is a terminal emulation application.
 * gnote - A simple note-taking application for Gnome
 * gnu_dev_major - manage a device number
 * gnu_dev_makedev - manage a device number
 * gnu_dev_minor - manage a device number
 * gnu_get_libc_release - get glibc version and release
 * gnu_get_libc_version - get glibc version and release
 * goa-daemon - GNOME Online Accounts Daemon
 * gold - The GNU ELF linker
 * gouldtoppm - convert Gould scanner file into a portable pixmap
 * gparted - GNOME Partition Editor for manipulating disk partitions.
 * gpasswd - administer /etc/group and /etc/gshadow
 * gpg - OpenPGP encryption and signing tool
 * gpg-agent - Secret key management for GnuPG
 * gpg-check-pattern - Check a passphrase on stdin against the patternfile
 * gpg-connect-agent - Communicate with a running agent
 * gpg-preset-passphrase - Put a passphrase into gpg-agent's cache
 * gpg-wks-client - Client for the Web Key Service
 * gpg-wks-server - Server providing the Web Key Service
 * gpg-zip - encrypt or sign files into an archive
 * gpgcompose - Generate a stream of OpenPGP packets
 * gpgconf - Modify .gnupg home directories
 * gpgparsemail - Parse a mail message into an annotated format
 * gpgsm - CMS encryption and signing tool
 * gpgsplit - Split an OpenPGP message into packets
 * gpgtar - Encrypt or sign files into an archive
 * gpgv - Verify OpenPGP signatures
 * gpic - compile pictures for troff or TeX
 * gpl (7gcc) - GNU General Public License
 * gprename - complete batch renamer for Linux
 * gprof - display call graph profile data
 * gramps - (unknown subject)
 * grantpt - grant access to the slave pseudoterminal
 * graphml2gv - GRAPHML-DOT converter
 * graphviz - rich set of graph drawing tools
 * grep - print lines that match patterns
 * grep-aptavail - grep Debian control files
 * grep-available - grep Debian control files
 * grep-dctrl - grep Debian control files
 * grep-debtags - grep Debian control files
 * grep-status - grep Debian control files
 * grepdiff - show files modified by a diff containing a regex
 * grepjar - search files in a jar file for a pattern
 * gresource - GResource tool
 * groff - front-end for the groff document formatting system
 * grog - guess options for a following groff command
 * grops - PostScript driver for groff
 * grotty - groff driver for typewriter-like devices
 * group - user group file
 * group.conf - configuration file for the pam_group module
 * group_member - test whether a process is in a group
 * groupadd - create a new group
 * groupdel - delete a group
 * groupmems - administer members of a user's primary group
 * groupmod - modify a group definition on the system
 * groups - print the groups a user is in
 * growisofs - combined genisoimage frontend/DVD recording program.
 * grpck - verify integrity of group files
 * grpconv - convert to and from shadow passwords and groups
 * grpunconv - convert to and from shadow passwords and groups
 * grub-bios-setup - set up a device to boot using GRUB
 * grub-editenv - edit GRUB environment block
 * grub-file - check file type
 * grub-fstest - debug tool for GRUB filesystem drivers
 * grub-glue-efi - generate a fat binary for EFI
 * grub-install - install GRUB to a device
 * grub-kbdcomp - generate a GRUB keyboard layout file
 * grub-macbless - bless a mac file/directory
 * grub-menulst2cfg - transform legacy menu.lst into grub.cfg
 * grub-mkconfig - generate a GRUB configuration file
 * grub-mkdevicemap - make a device map file automatically
 * grub-mkfont - make GRUB font files
 * grub-mkimage - make a bootable image of GRUB
 * grub-mklayout - generate a GRUB keyboard layout file
 * grub-mknetdir - prepare a GRUB netboot directory.
 * grub-mkpasswd-pbkdf2 - generate hashed password for GRUB
 * grub-mkrelpath - make a system path relative to its root
 * grub-mkrescue - make a GRUB rescue image
 * grub-mkstandalone - make a memdisk-based GRUB image
 * grub-mount - export GRUB filesystem with FUSE
 * grub-probe - probe device information for GRUB
 * grub-reboot - set the default boot entry for GRUB, for the next boot only
 * grub-render-label - generate a .disk_label for Apple Macs.
 * grub-script-check - check grub.cfg for syntax errors
 * grub-set-default - set the saved default boot entry for GRUB
 * grub-syslinux2cfg - transform syslinux config into grub.cfg
 * gs - Ghostscript (PostScript and PDF language interpreter and previewer)
 * gsbj - Format and print text for BubbleJet printer using ghostscript
 * gsdj - Format and print text for DeskJet printer using ghostscript
 * gsdj500 - Format and print text for DeskJet 500 BubbleJet using ghostscript
 * gsettings - GSettings configuration tool
 * gshadow - shadowed group file
 * gsignal - software signal facility
 * gslj - Format and print text for LaserJet printer using ghostscript
 * gslp - Format and print text using ghostscript
 * gsnd - Run ghostscript (PostScript and PDF engine) without display
 * gst-device-monitor-1.0 - Simple command line testing tool for GStreamer device monitors
 * gst-discoverer-1.0 - Display file metadata and stream information
 * gst-inspect-1.0 - print info about a GStreamer plugin or element
 * gst-launch-1.0 - build and run a GStreamer pipeline
 * gst-play-1.0 - Simple command line playback testing tool
 * gst-typefind-1.0 - print Media type of file
 * gtbl - format tables for troff
 * gtf - calculate VESA GTF mode lines
 * gtk-builder-tool - GtkBuilder file utility
 * gtk-encode-symbolic-svg - Symbolic icon conversion utility
 * gtk-launch - Launch an application
 * gtk-options - Standard Command Line Options for GTK Programs
 * gtk-query-immodules-2.0 - Input method module registration utility
 * gtk-query-immodules-3.0 - Input method module registration utility
 * gtk-query-settings - Utility to print name and value of all GtkSettings properties
 * gtk-update-icon-cache - Icon theme caching utility
 * Gtk3 (3pm) - Perl interface to the 3.x series of the gtk+ toolkit
 * gts-config - defines values for programs using gts.
 * gts2dxf - converts a GTS file to DXF format.
 * gts2oogl - converts a GTS file to OOGL file format (Geomview).
 * gts2stl - converts a GTS file to STL format
 * gts2xyz - samples a GTS file on a regular grid at intervals DX.
 * gtscheck - checks that a surface defines a closed, orientable non self-inters...
 * gtscompare - compare two GTS files.
 * gtstemplate - generates of a template used to create new object classes.
 * gtty - unimplemented system calls
 * gucharmap - Unicode character picker and font browser
 * gunzip - compress or expand files
 * gv2gml - GML-DOT converters
 * gv2gxl - GXL-GV converters
 * gvcolor - flow colors through a ranked digraph
 * gvfs - GIO virtual file system
 * gvfs-cat - (unknown subject)
 * gvfs-copy - (unknown subject)
 * gvfs-info - (unknown subject)
 * gvfs-less - Execute less on the output of gvfs-cat
 * gvfs-ls - (unknown subject)
 * gvfs-mime - (unknown subject)
 * gvfs-mkdir - (unknown subject)
 * gvfs-monitor-dir - (unknown subject)
 * gvfs-monitor-file - (unknown subject)
 * gvfs-mount - (unknown subject)
 * gvfs-move - (unknown subject)
 * gvfs-open - (unknown subject)
 * gvfs-rename - (unknown subject)
 * gvfs-rm - (unknown subject)
 * gvfs-save - (unknown subject)
 * gvfs-set-attribute - (unknown subject)
 * gvfs-trash - (unknown subject)
 * gvfs-tree - (unknown subject)
 * gvfsd - Main daemon for gvfs
 * gvfsd-fuse - Fuse daemon for gvfs
 * gvfsd-metadata - Metadata daemon for gvfs
 * gvgen - generate graphs
 * gvmap - find clusters and create a geographical map highlighting clusters.
 * gvmap.sh - pipeline for running gvmap
 * gvpack - merge and pack disjoint graphs
 * gvpr - graph pattern scanning and processing language
 * gxl2dot - GXL-GV converters
 * gxl2gv - GXL-GV converters
 * gzexe - compress executable files in place
 * gzip - compress or expand files
 * h2ph - convert .h C header files to .ph Perl header files
 * h2xs - convert .h C header files to Perl extensions
 * h_errno - get network host entry
 * happrox - returns a simplified triangulation of a set of points using algori...
 * hash - hash database access method
 * hasmntopt - get filesystem descriptor file entry
 * hbpldecode - Decode a HBPL stream into human readable form.
 * hciattach - attach serial devices via UART HCI to BlueZ stack
 * hciconfig - configure Bluetooth devices
 * hcitool - configure Bluetooth connections
 * hcreate - hash table management
 * hcreate_r - hash table management
 * hd - ASCII, decimal, hexadecimal, octal dump
 * hd - MFM/IDE hard disk devices
 * hddtemp - Utility to monitor hard drive temperature
 * hdestroy - hash table management
 * hdestroy_r - hash table management
 * hdparm - get/set SATA/IDE device parameters
 * hdparm.conf - Debian configuration file for hdparm
 * head - output the first part of files
 * header_checks - Postfix built-in content inspection
 * helpztags - generate the help tags file for directory
 * herror - get network host entry
 * hex2hcd - Broadcom Bluetooth firmware converter
 * hexdump - ASCII, decimal, hexadecimal, octal dump
 * hid2hci - Bluetooth HID to HCI mode switching utility
 * hier - description of the filesystem hierarchy
 * hipercdecode - Decode a HIPERC stream into human readable form.
 * hipstopgm - convert a HIPS file into a portable graymap
 * history (3readline) - GNU History Library
 * host.conf - resolver configuration file
 * hostid - print the numeric identifier for the current host
 * hostname - Local hostname configuration file
 * hostname - hostname resolution description
 * hosts - static table lookup for hostnames
 * hosts.allow - format of host access control files
 * hosts.deny - format of host access control files
 * hosts.equiv - list of hosts and users that are granted "trusted" r command acces...
 * hosts_access - format of host access control files
 * hosts_options - host access control language extensions
 * hp-align - Printer Cartridge Alignment Utility
 * hp-check - Dependency/Version Check Utility
 * hp-clean - Printer Printhead Cleaning Utility
 * hp-colorcal - Printer Cartridge Color Calibration Utility
 * hp-config_usb_printer - HP device config using USB
 * hp-doctor - Self Diagnse Utility and Healing Utility
 * hp-info - Device Information Utility
 * hp-logcapture - HPLIP logs capture Utility
 * hp-makeuri - Device URI Creation Utility
 * hp-plugin - Plugin Download and Install Utility
 * hp-probe - Printer Discovery Utility
 * hp-scan - Scan Utility
 * hp-testpage - Testpage Print Utility
 * hp-timedate - Time/Date Utility
 * hpsa - HP Smart Array SCSI driver
 * hsearch - hash table management
 * hsearch_r - hash table management
 * hstrerror - get network host entry
 * htcacheclean - Clean up the disk cache
 * htdbm - Manipulate DBM password databases
 * htdigest - manage user files for digest authentication
 * html2markdown - converts a page of HTML into markdown.
 * html2markdown.py3 - converts a page of HTML into markdown.
 * HTML::AsSubs (3pm) - functions that construct a HTML syntax tree
 * HTML::Element (3pm) - Class for objects that represent HTML elements
 * HTML::Element::traverse (3pm)- discussion of HTML::Element's traverse method
 * HTML::Entities (3pm)- Encode or decode strings with HTML entities
 * HTML::Filter (3pm) - Filter HTML text through the parser
 * HTML::Form (3pm) - Class that represents an HTML form element
 * HTML::FormatMarkdown (3pm)- Format HTML as Markdown
 * HTML::FormatPS (3pm)- Format HTML as PostScript
 * HTML::FormatRTF (3pm)- Format HTML as RTF
 * HTML::Formatter (3pm)- Base class for HTML formatters
 * HTML::FormatText (3pm)- Format HTML as plaintext
 * HTML::HeadParser (3pm)- Parse  section of a HTML document
 * HTML::LinkExtor (3pm)- Extract links from an HTML document
 * HTML::Parse (3pm) - Deprecated, a wrapper around HTML::TreeBuilder
 * HTML::PullParser (3pm)- Alternative HTML::Parser interface
 * HTML::Tagset (3pm) - data tables useful in parsing HTML
 * HTML::TokeParser (3pm)- Alternative HTML::Parser interface
 * HTML::Tree (3pm) - build and scan parse-trees of HTML
 * HTML::Tree::AboutObjects (3pm)-- article: "User's View of Object-Oriented Modules"
 * HTML::Tree::AboutTrees (3pm)-- article on tree-shaped data structures in Perl
 * HTML::Tree::Scanning (3pm)-- article: "Scanning HTML"
 * HTML::TreeBuilder (3pm)- Parser that builds a HTML syntax tree
 * htmltree (1p) - Parse the given HTML file and dump the parse tree
 * htobe16 - convert values between host and big-/little-endian byte order
 * htobe32 - convert values between host and big-/little-endian byte order
 * htobe64 - convert values between host and big-/little-endian byte order
 * htole16 - convert values between host and big-/little-endian byte order
 * htole32 - convert values between host and big-/little-endian byte order
 * htole64 - convert values between host and big-/little-endian byte order
 * htonl - convert values between host and network byte order
 * htons - convert values between host and network byte order
 * htop - interactive process viewer
 * htpasswd - Manage user files for basic authentication
 * HTTP::Config (3pm) - Configuration for request and response objects
 * HTTP::Cookies::Netscape (3pm)- Access to Netscape cookies files
 * HTTP::Daemon (3pm) - A simple http server class
 * HTTP::Date (3pm) - HTTP::Date- date conversion routines
 * HTTP::Headers (3pm) - Class encapsulating HTTP Message headers
 * HTTP::Headers::Util (3pm)- Header value parsing utility functions
 * HTTP::Message (3pm) - HTTP style message (base class)
 * HTTP::Negotiate (3pm)- choose a variant to serve
 * HTTP::Request (3pm) - HTTP style request message
 * HTTP::Request::Common (3pm)- Construct common HTTP::Request objects
 * HTTP::Response (3pm)- HTTP style response message
 * HTTP::Status (3pm) - HTTP Status code processing
 * httxt2dbm - Generate dbm files for use with RewriteMap
 * HUGE_VAL - floating-point constants
 * HUGE_VALF - floating-point constants
 * HUGE_VALL - floating-point constants
 * hwclock - variables that affect the behaviour of the hwclock boot script
 * hwclock - time clocks utility
 * hwdb - Hardware Database
 * hypnotoad (1p) - Hypnotoad HTTP and WebSocket server
 * hypot - Euclidean distance function
 * hypotf - Euclidean distance function
 * hypotl - Euclidean distance function
 * i386 - change reported architecture in new program environment and/or set...
 * iceauth - ICE authority file utility
 * ico - animate an icosahedron or other polyhedron
 * iconv - convert text from one character encoding to another
 * iconv - perform character set conversion
 * iconv_close - deallocate descriptor for character set conversion
 * iconv_open - allocate descriptor for character set conversion
 * iconvconfig - create iconv module configuration cache
 * id - print real and effective user and group IDs
 * identify - describes the format and characteristics of one or more image files.
 * identify-im6 - describes the format and characteristics of one or more image files.
 * identify-im6.q16 - describes the format and characteristics of one or more image files.
 * idevice_id - Prints device name or a list of attached devices.
 * idevicebackup - Create or restore backup for devices.
 * idevicebackup2 - Create or restore backups for devices running iOS 4 or later.
 * idevicecrashreport - Retrieve crash reports from a device.
 * idevicedate - Display the current date or set it on a device.
 * idevicedebug - Interact with the debugserver service of a device.
 * idevicedebugserverproxy - Remote debugging proxy.
 * idevicediagnostics - Interact with the diagnostics interface of a device.
 * ideviceenterrecovery - Make a device enter recovery mode.
 * ideviceimagemounter - Mount disk images on the device.
 * ideviceinfo - Show information about the first connected device.
 * ideviceinstaller - Manage apps on iOS devices.
 * idevicename - Display the device name or set it to NAME if specified.
 * idevicenotificationproxy - Post or observe notifications on a device.
 * idevicepair - Manage host pairings with devices and usbmuxd.
 * ideviceprovision - Manage provisioning profiles on a device.
 * idevicescreenshot - Gets a screenshot from the connected device.
 * idevicesyslog - Relay syslog of a connected device.
 * idle - make process 0 idle
 * idmap-plugin - winbind ID mapping plugin for cifs-utils
 * idmap_rfc2307 - Samba's idmap_rfc2307 Backend for Winbind
 * idmapwb - winbind ID mapping plugin for cifs-utils
 * iecset - Set or dump IEC958 status bits
 * if_freenameindex - get network interface names and indexes
 * if_indextoname - mappings between network interface names and indexes
 * if_nameindex - get network interface names and indexes
 * if_nametoindex - mappings between network interface names and indexes
 * ifcfg - simplistic script which replaces ifconfig IP management
 * ifconfig - configure a network interface
 * ifdata - get network interface info without parsing ifconfig output
 * ifdown - take a network interface down
 * ifnames - Extract CPP conditionals from a set of files
 * ifne - Run command if the standard input is not empty
 * ifquery - parse interface configuration
 * ifup - bring a network interface up
 * ifuse - Mount directories of an iOS device locally using fuse.
 * ilbmtoppm - convert an ILBM file into a portable pixmap
 * ilogb - get integer exponent of a floating-point value
 * ilogbf - get integer exponent of a floating-point value
 * ilogbl - get integer exponent of a floating-point value
 * im-config - set up input method configuration for X Window System
 * im-launch - launch input method and execute session program
 * ImageMagick-im6.q16 - is a free software suite for the creation, modification and dis...
 * imagetops - generic image to ps filter
 * imaxabs - compute the absolute value of an integer
 * imaxdiv - compute quotient and remainder of an integer division
 * img2txt - convert images to various text-based coloured files
 * imgtoppm - convert an Img-whatnot file into a portable pixmap
 * import - saves any visible window on an X server and outputs it as an image...
 * import-im6 - saves any visible window on an X server and outputs it as an image...
 * import-im6.q16 - saves any visible window on an X server and outputs it as an image...
 * Import::Into (3pm) - Import packages into other packages
 * index - locate character in string
 * inet - Internet address manipulation routines
 * inet_addr - Internet address manipulation routines
 * inet_aton - Internet address manipulation routines
 * inet_lnaof - Internet address manipulation routines
 * inet_makeaddr - Internet address manipulation routines
 * inet_net_ntop - Internet network number conversion
 * inet_net_pton - Internet network number conversion
 * inet_netof - Internet address manipulation routines
 * inet_network - Internet address manipulation routines
 * inet_ntoa - Internet address manipulation routines
 * inet_ntop - convert IPv4 and IPv6 addresses from binary to text form
 * inet_pton - convert IPv4 and IPv6 addresses from text to binary form
 * INFINITY - floating-point constants
 * info - read Info documents
 * info - readable online documentation
 * infobrowser - read Info documents
 * infocmp - compare or print out terminfo descriptions
 * infotocap - convert a terminfo description into a termcap description
 * init - systemd system and service manager
 * init-d-script - interpreter for short and simple init.d scripts
 * initgroups - initialize the supplementary group access list
 * initramfs-tools - an introduction to writing scripts for mkinitramfs
 * initramfs.conf - configuration file for mkinitramfs
 * initrd - boot loader initialized RAM disk
 * initstate - random number generator
 * initstate_r - reentrant random number generator
 * innetgr - handle network group entries
 * inode - file inode information
 * inotify - monitoring filesystem events
 * inotify_add_watch - add a watch to an initialized inotify instance
 * inotify_init - initialize an inotify instance
 * inotify_init1 - initialize an inotify instance
 * inotify_rm_watch - remove an existing watch from an inotify instance
 * inplace (3am) - emulate sed/perl/ruby in-place editing
 * inputattach - attach a serial line to an input-layer device
 * insmod - Simple program to insert a module into the Linux Kernel
 * insque - insert/remove an item from a queue
 * install - copy files and set attributes
 * install-docs - manage online Debian documentation
 * install-info - update info/dir entries
 * install-sgmlcatalog - maintain transitional SGML catalog
 * installkernel - install a new kernel image
 * instmodsh - A shell to examine installed modules
 * integritysetup - manage dm-integrity (block level integrity) volumes
 * intel - Intel integrated graphics chipsets
 * intel-virtual-output - Utility for connecting the Integrated Intel GPU to discrete ou...
 * interdiff - show differences between two diff files
 * intro - introduction to user commands
 * intro - introduction to system calls
 * intro - introduction to library functions
 * intro - introduction to special files
 * intro - introduction to file formats and filesystems
 * intro - introduction to games
 * intro - introduction to overview and miscellany section
 * intro - introduction to administration and privileged commands
 * invoke-rc.d - executes System-V style init script actions
 * inxi - Command line system information script for console and IRC
 * IO::Async (3pm) - Asynchronous event-driven programming
 * IO::Async::Listener (3pm)- listen on network sockets for incoming connections
 * IO::Async::LoopTests (3pm)- acceptance testing for IO::Async::Loop subclasses
 * IO::Async::Notifier (3pm)- base class for IO::Async event objects
 * IO::Async::OS (3pm) - operating system abstractions for "IO::Async"
 * IO::Async::OS::linux (3pm)- operating system abstractions on "Linux" for IO::Async
 * IO::Async::OS::MSWin32 (3pm)- operating system abstractions on "MSWin32" for "IO::Async"
 * IO::Async::PID (3pm)- event callback on exit of a child process
 * IO::Async::Protocol (3pm)- base class for transport-based protocols
 * IO::Async::Protocol::LineStream (3pm)- stream-based protocols using lines of text
 * IO::Async::Protocol::Stream (3pm)- base class for stream-based protocols
 * IO::Async::Resolver (3pm)- performing name resolutions asynchronously
 * IO::Async::Routine (3pm)- execute code in an independent sub-process or thread
 * IO::Async::Socket (3pm)- event callbacks and send buffering for a socket filehandle
 * IO::Async::Stream (3pm)- event callbacks and write bufering for a stream filehandle
 * IO::Async::Test (3pm)- utility functions for use in test scripts
 * IO::Async::Timer (3pm)- base class for Notifiers that use timed delays
 * IO::Async::Timer::Absolute (3pm)- event callback at a fixed future time
 * IO::Async::Timer::Countdown (3pm)- event callback after a fixed delay
 * IO::HTML (3pm) - Open an HTML file with automatic charset detection
 * IO::Socket::Socks (3pm)- Provides a way to create socks client or server both 4 and 5 ve...
 * IO::Socket::SSL (3pm)- SSL sockets with IO::Socket interface
 * IO::Socket::SSL::Intercept (3pm)-- SSL interception (man in the middle)
 * IO::Socket::SSL::PublicSuffix (3pm)- provide access to Mozilla's list of effective TLD n...
 * IO::Socket::SSL::Utils (3pm)-- loading, storing, creating certificates and keys
 * IO::String (3pm) - Emulate file interface for in-core strings
 * IO::Tty (3pm) - Low-level allocate a pseudo-Tty, import constants.
 * IO::Tty::Constant (3pm)- Terminal Constants (autogenerated)
 * io_cancel - cancel an outstanding asynchronous I/O operation
 * io_destroy - destroy an asynchronous I/O context
 * io_getevents - read asynchronous I/O events from the completion queue
 * io_setup - create an asynchronous I/O context
 * io_submit - submit asynchronous I/O blocks for processing
 * ioctl_console - ioctls for console terminal and virtual consoles
 * ioctl_fat - manipulating the FAT filesystem
 * ioctl_ficlone - share some the data of one file with another file
 * ioctl_ficlonerange - share some the data of one file with another file
 * ioctl_fideduperange - share some the data of one file with another file
 * ioctl_getfsmap - retrieve the physical layout of the filesystem
 * ioctl_iflags - ioctl operations for inode flags
 * ioctl_ns - ioctl operations for Linux namespaces
 * ioctl_tty - ioctls for terminals and serial lines
 * ioctl_userfaultfd - create a file descriptor for handling page faults in user space
 * ionice - set or get process I/O scheduling class and priority
 * iopl - change I/O privilege level
 * ioprio_get - get/set I/O scheduling class and priority
 * ioprio_set - get/set I/O scheduling class and priority
 * ip - Linux IPv4 protocol implementation
 * ip - show / manipulate routing, network devices, interfaces and tunnels
 * ip-address - protocol address management
 * ip-addrlabel - protocol address label management
 * ip-fou - Foo-over-UDP receive port configuration
 * ip-gue - Generic UDP Encapsulation receive port configuration
 * ip-l2tp - L2TPv3 static unmanaged tunnel configuration
 * ip-link - network device configuration
 * ip-macsec - MACsec device configuration
 * ip-maddress - multicast addresses management
 * ip-monitor - state monitoring
 * ip-mroute - multicast routing cache management
 * ip-neighbour - neighbour/arp tables management.
 * ip-netconf - network configuration monitoring
 * ip-netns - process network namespace management
 * ip-nexthop - nexthop object management
 * ip-ntable - neighbour table configuration
 * ip-route - routing table management
 * ip-rule - routing policy database management
 * ip-sr - IPv6 Segment Routing management
 * ip-tcp_metrics - management for TCP Metrics
 * ip-token - tokenized interface identifier support
 * ip-tunnel - tunnel configuration
 * ip-vrf - run a command against a vrf
 * ip-xfrm - transform configuration
 * ip6tables - administration tool for IPv4/IPv6 packet filtering and NAT
 * ip6tables-apply - a safer way to update iptables remotely
 * ip6tables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-legacy-restore - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-legacy-save - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-nft - iptables using nftables kernel api
 * ip6tables-nft-restore - iptables using nftables kernel api
 * ip6tables-nft-save - iptables using nftables kernel api
 * ip6tables-restore-translate - translation tool to migrate from iptables to nftables
 * ip6tables-save - dump iptables rules
 * ip6tables-translate - translation tool to migrate from ip6tables to nftables
 * IPC::Run (3pm) - system and background procs w/ piping, redirs, ptys (Unix, Win32)
 * IPC::Run::Debug (3pm)- debugging routines for IPC::Run
 * IPC::Run::IO (3pm) -- I/O channels for IPC::Run.
 * IPC::Run::Timer (3pm)-- Timer channels for IPC::Run.
 * IPC::System::Simple (3pm)- Run commands simply, with detailed diagnostics
 * ipc_namespaces - overview of Linux IPC namespaces
 * ipcmk - make various IPC resources
 * ipcs - show information on IPC facilities
 * ippeveprinter - an ipp everywhere printer application for cups
 * ippfind - find internet printing protocol printers
 * ipptool - perform internet printing protocol requests
 * ipptoolfile - ipptool file format
 * ippusbxd - Communication driver for IPP-over-USB class printers
 * iptables - administration tool for IPv4/IPv6 packet filtering and NAT
 * iptables-apply - a safer way to update iptables remotely
 * iptables-extensions - list of extensions in the standard iptables distribution
 * iptables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-legacy-restore - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-legacy-save - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-nft - iptables using nftables kernel api
 * iptables-nft-restore - iptables using nftables kernel api
 * iptables-nft-save - iptables using nftables kernel api
 * iptables-restore-translate - translation tool to migrate from iptables to nftables
 * iptables-save - dump iptables rules
 * iptables-translate - translation tool to migrate from iptables to nftables
 * iptables-xml - Convert iptables-save format to XML
 * iptraf-ng - Interactive Colorful IP LAN Monitor
 * iptunnel - Create and manage IP tunnels
 * ipv6 - Linux IPv6 protocol implementation
 * irqbalance - distribute hardware interrupts across processors on a multiprocess...
 * irqbalance-ui - user interface for irqbalance
 * irssi - a modular IRC client for UNIX
 * iruserok - routines for returning a stream to a remote command
 * iruserok_af - routines for returning a stream to a remote command
 * isadump - examine ISA registers
 * isalnum - character classification functions
 * isalnum_l - character classification functions
 * isalpha - character classification functions
 * isalpha_l - character classification functions
 * isascii - character classification functions
 * isascii_l - character classification functions
 * isaset - set ISA registers
 * isastream - unimplemented system calls
 * isatty - test whether a file descriptor refers to a terminal
 * isblank - character classification functions
 * isblank_l - character classification functions
 * ischroot - detect if running in a chroot
 * iscntrl - character classification functions
 * iscntrl_l - character classification functions
 * isdigit - character classification functions
 * isdigit_l - character classification functions
 * isfdtype - test file type of a file descriptor
 * isfinite - floating-point classification macros
 * isgraph - character classification functions
 * isgraph_l - character classification functions
 * isgreater - floating-point relational tests without exception for NaN
 * isgreaterequal - floating-point relational tests without exception for NaN
 * isinf - floating-point classification macros
 * isinff - BSD floating-point classification functions
 * isinfl - BSD floating-point classification functions
 * isless - floating-point relational tests without exception for NaN
 * islessequal - floating-point relational tests without exception for NaN
 * islessgreater - floating-point relational tests without exception for NaN
 * islower - character classification functions
 * islower_l - character classification functions
 * isnan - floating-point classification macros
 * isnanf - BSD floating-point classification functions
 * isnanl - BSD floating-point classification functions
 * isnormal - floating-point classification macros
 * iso-8859-1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-10 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-11 - ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-13 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-14 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-15 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-16 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-5 - ISO 8859-5 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-6 - ISO 8859-6 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-7 - ISO 8859-7 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-8 - ISO 8859-8 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-9 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-10 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-11 - ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-13 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-14 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-15 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-16 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-5 - ISO 8859-5 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-6 - ISO 8859-6 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-7 - ISO 8859-7 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-8 - ISO 8859-8 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-9 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_10 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_11 - ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_13 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_14 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_15 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_16 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_5 - ISO 8859-5 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_6 - ISO 8859-6 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_7 - ISO 8859-7 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_8 - ISO 8859-8 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_9 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * isodump - Utility programs for dumping and verifying iso9660 images.
 * isohybrid - Post-process an ISO 9660 image for booting as a hard disk.
 * isohybrid.pl - Postprocess ISO images for hybrid mode (Perl)
 * isoinfo - Utility programs for dumping and verifying iso9660 images.
 * isosize - output the length of an iso9660 filesystem
 * isovfy - Utility programs for dumping and verifying iso9660 images.
 * ispell-autobuildhash - Autobuilding the ispell hash file for some dicts
 * ispell-wrapper - smart wrapper for ispell
 * isprint - character classification functions
 * isprint_l - character classification functions
 * ispunct - character classification functions
 * ispunct_l - character classification functions
 * isspace - character classification functions
 * isspace_l - character classification functions
 * issue - prelogin message and identification file
 * isunordered - floating-point relational tests without exception for NaN
 * isupper - character classification functions
 * isupper_l - character classification functions
 * isutf8 - check whether files are valid UTF-8
 * iswalnum - test for alphanumeric wide character
 * iswalpha - test for alphabetic wide character
 * iswblank - test for whitespace wide character
 * iswctype - wide-character classification
 * iswdigit - test for decimal digit wide character
 * iswgraph - test for graphic wide character
 * iswlower - test for lowercase wide character
 * iswprint - test for printing wide character
 * iswpunct - test for punctuation or symbolic wide character
 * iswspace - test for whitespace wide character
 * iswupper - test for uppercase wide character
 * iswxdigit - test for hexadecimal digit wide character
 * isxdigit - character classification functions
 * isxdigit_l - character classification functions
 * italian - a list of italian words
 * iucode-tool - Tool to manipulate Intel IA-32/X86-64 microcode bundles
 * iucode_tool - Tool to manipulate Intel IA-32/X86-64 microcode bundles
 * iw - show / manipulate wireless devices and their configuration
 * iwconfig - configure a wireless network interface
 * iwevent - Display Wireless Events generated by drivers and setting changes
 * iwgetid - Report ESSID, NWID or AP/Cell Address of wireless network
 * iwlist - Get more detailed wireless information from a wireless interface
 * iwpriv - configure optionals (private) parameters of a wireless network int...
 * iwspy - Get wireless statistics from specific nodes
 * j0 - Bessel functions of the first kind
 * j0f - Bessel functions of the first kind
 * j0l - Bessel functions of the first kind
 * j1 - Bessel functions of the first kind
 * j1f - Bessel functions of the first kind
 * j1l - Bessel functions of the first kind
 * jar - Manipulates Java Archive (JAR) files.
 * jardetector - binfmt helper to check if a zip/jar file contains a MANIFEST.
 * jarsigner - Signs and verifies Java Archive (JAR) files.
 * jarwrapper - wrapper script to run jar files via binfmt.
 * java - Launches a Java application.
 * java-wrappers - capacities shared by java wrapper scripts
 * javac - Reads Java class and interface definitions and compiles them into ...
 * javadoc - Generates HTML pages of API documentation from Java source files.
 * javap - Disassembles one or more class files.
 * jcmd - Sends diagnostic command requests to a running Java Virtual Machin...
 * jconsole - Starts a graphical console that lets you monitor and manage Java a...
 * jdb - Finds and fixes bugs in Java platform programs.
 * jdeps - Java class dependency analyzer.
 * jfs_debugfs - shell-type JFS file system editor
 * jfs_fsck - initiate replay of the JFS transaction log, and check and repair a...
 * jfs_fscklog - extract a JFS fsck service log into a file and/or format and displ...
 * jfs_logdump - dump a JFS formatted device's journal log
 * jfs_mkfs - create a JFS formatted partition
 * jfs_tune - adjust tunable file system parameters on JFS
 * jinfo - Generates configuration information. This command is experimental ...
 * jjs - Invokes the Nashorn engine.
 * jmap - Prints shared object memory maps or heap memory details for a proc...
 * jmtpfs - FUSE based filesystem for accessing MTP devices
 * jn - Bessel functions of the first kind
 * jnf - Bessel functions of the first kind
 * jnl - Bessel functions of the first kind
 * join - join lines of two files on a common field
 * join-dctrl - perform relational join on data in dctrl format
 * journald.conf - Journal service configuration files
 * journald.conf.d - Journal service configuration files
 * journald@.conf - Journal service configuration files
 * jp2a - convert JPEG images to ASCII
 * jpegexiforient - reads or writes the Exif Orientation Tag
 * jpegtopnm - convert JPEG/JFIF file to portable pixmap or graymap
 * jpegtran - lossless transformation of JPEG files
 * jpgicc - little cms ICC profile applier for JPEG.
 * jps - Lists the instrumented Java Virtual Machines (JVMs) on the target ...
 * jrand48 - generate uniformly distributed pseudo-random numbers
 * jrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * jrunscript - Runs a command-line script shell that supports interactive and bat...
 * JSON::MaybeXS (3pm) - Use Cpanel::JSON::XS with a fallback to JSON::XS and JSON::PP
 * json_pp - JSON::PP command utility
 * jstack - Prints Java thread stack traces for a Java process, core file, or ...
 * jstat - Monitors Java Virtual Machine (JVM) statistics. This command is ex...
 * jstatd - Monitors Java Virtual Machines (JVMs) and enables remote monitorin...
 * JxrDecApp - JPEG XR Decoder Utility
 * JxrEncApp - JPEG XR Encoder Utility
 * kbd_mode - report or set the keyboard mode
 * kbdinfo - obtain information about the status of a console
 * kbdrate - reset the keyboard repeat rate and delay time
 * kbookmarkmerger - A program for merging a given set of bookmarks into the user's lis...
 * kbuildsycoca5 - Rebuilds the KService desktop file system configuration cache.
 * kbxutil - List, export, import Keybox data
 * kcmp - compare two processes to determine if they share a kernel resource
 * kcookiejar5 - Command line interface to the KDE HTTP cookie daemon
 * keditbookmarks - Bookmark Organizer and Editor
 * kernel-command-line - Kernel command line parameters
 * kernel-install - Add and remove kernel and initramfs images to and from /boot
 * kerneloops - program to collect and submit kernel oopses to oops.kernel.org
 * kexec_file_load - load a new kernel for later execution
 * kexec_load - load a new kernel for later execution
 * key.dns_resolver - upcall for request-key to handle dns_resolver keys
 * key_decryptsession - interfaces to rpc keyserver daemon
 * key_encryptsession - interfaces to rpc keyserver daemon
 * key_gendes - interfaces to rpc keyserver daemon
 * key_secretkey_is_set - interfaces to rpc keyserver daemon
 * key_setsecret - interfaces to rpc keyserver daemon
 * keyboard - keyboard configuration file
 * keyctl - key management facility control
 * keyctl - manipulate the kernel's key management facility
 * keymaps - keyboard table descriptions for loadkeys and dumpkeys
 * keyring - Python-Keyring command-line utility
 * keyrings - in-kernel key management and retention facility
 * keytool - Manages a keystore (database) of cryptographic keys, X.509 certifi...
 * keyutils - in-kernel key management utilities
 * kf5-config - Prints Qt(TM) and Frameworks installation paths
 * kill - send a signal to a process
 * kill - send signal to a process
 * killall - kill processes by name
 * killall5 - send a signal to all processes.
 * killpg - send signal to a process group
 * killpg - send signal to a process group
 * klogctl - read and/or clear kernel message ring buffer; set console_loglevel
 * kmem - system memory, kernel memory and system ports
 * kmod - Program to manage Linux Kernel modules
 * kmodsign - Kernel module signing tool
 * koi8-r - Russian character set encoded in octal, decimal, and hexadecimal
 * koi8-u - Ukrainian character set encoded in octal, decimal, and hexadecimal
 * kpartx - Create device maps from partition tables.
 * l2ping - Send L2CAP echo request and receive answer
 * l2test - L2CAP testing tool
 * l64a - convert between long and base-64
 * labs - compute the absolute value of an integer
 * lame - create mp3 audio files
 * laptop-detect - attempt to detect a laptop
 * last - show a listing of last logged in users
 * lastb - show a listing of last logged in users
 * lastcomm - print out information about previously executed commands.
 * lastlog - reports the most recent login of all users or of a given user
 * latin1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * latin10 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * latin2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * latin3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * latin4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * latin5 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * latin6 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * latin7 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * latin8 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * latin9 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * lavadecode - Decode a LAVAFLOW stream into human readable form.
 * lcf - Determine which of the historical versions of a config is installed
 * lchown - change ownership of a file
 * lchown32 - change ownership of a file
 * lckdo - run a program with a lock held
 * lckpwdf - get shadow password file entry
 * lcong48 - generate uniformly distributed pseudo-random numbers
 * lcong48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * ld - The GNU linker
 * ld.bfd - The GNU linker
 * ld.gold - The GNU ELF linker
 * ldap.conf - LDAP configuration file/environment variables
 * ldattach - attach a line discipline to a serial line
 * ldconfig - configure dynamic linker run-time bindings
 * ldd - print shared object dependencies
 * ldexp - multiply floating-point number by integral power of 2
 * ldexpf - multiply floating-point number by integral power of 2
 * ldexpl - multiply floating-point number by integral power of 2
 * ldiv - compute quotient and remainder of an integer division
 * le16toh - convert values between host and big-/little-endian byte order
 * le32toh - convert values between host and big-/little-endian byte order
 * le64toh - convert values between host and big-/little-endian byte order
 * leaftoppm - convert Interleaf image format to a portable anymap
 * lefty - A Programmable Graphics Editor
 * less - opposite of more
 * lessecho - expand metacharacters
 * lessfile - "input preprocessor" for less.
 * lesskey - specify key bindings for less
 * lesspipe - "input preprocessor" for less.
 * lex - the fast lexical analyser generator
 * lexgrog - parse header information in man pages
 * lfind - linear search of an array
 * lgamma - log gamma function
 * lgamma_r - log gamma function
 * lgammaf - log gamma function
 * lgammaf_r - log gamma function
 * lgammal - log gamma function
 * lgammal_r - log gamma function
 * lgetxattr - retrieve an extended attribute value
 * libao.conf - configuration for libao.
 * libaudit.conf - libaudit configuration file
 * libc - overview of standard C libraries on Linux
 * libinput - libinput-based X.Org input driver
 * libmaxminddb - a library for working with MaxMind DB files
 * libnetcfg - configure libnet
 * libnetlink - A library for accessing the netlink service
 * libnss_myhostname.so.2 - Provide hostname resolution for the locally configured syste...
 * libnss_systemd.so.2 - Provide UNIX user and group name resolution for user/group look...
 * libOpenCL - OCL-ICD implementation of OpenCL ICD loader
 * libOpenCL.so - OCL-ICD implementation of OpenCL ICD loader
 * libsmbclient - An extension library for browsers and that can be used as a generi...
 * libtoolize - Prepare a package to use libtool
 * libwacom-list-local-devices - utility to list tablet devices
 * libwww::lwptut (3pm)-- An LWP Tutorial
 * lightdm - a display manager
 * limits.conf - configuration file for the pam_limits module
 * link - call the link function to create a link to a file
 * link - make a new name for a file
 * linkat - make a new name for a file
 * linkicc - little cms device link generator.
 * links - lynx-like alternative character mode WWW browser
 * lintian - Static analysis tool for Debian packages
 * lintian-info - give detailed information about Lintian's error tags
 * Lintian::Architecture -- Lintian API for handling architectures and wildcards
 * Lintian::Check -- Common facilities for Lintian checks
 * Lintian::Check::Info - Check script meta data
 * Lintian::Command - Utilities to execute other commands from lintian code
 * Lintian::Command::Simple - Run commands without pipes
 * Lintian::Data - Lintian interface to query lists of keywords
 * Lintian::Deb822Parser - Lintian's generic Deb822 parser functions
 * Lintian::File::Path - Lintian representation of a path entry in a package
 * Lintian::Group -- A group of objects that Lintian can process
 * Lintian::Index - access to collected data about the upstream (orig) sources
 * Lintian::Index::Ar - binary symbol information.
 * Lintian::Index::Control -- An index of a control file set
 * Lintian::Index::Control::Scripts - information about maintainer scripts.
 * Lintian::Index::FileInfo - determine file type via magic.
 * Lintian::Index::Installed -- An index of an installed file set
 * Lintian::Index::Java - java information.
 * Lintian::Index::Md5sums - calculate checksums for index.
 * Lintian::Index::Objdump - binary symbol information.
 * Lintian::Index::Orig -- An index of an upstream (orig) file set
 * Lintian::Index::Patched -- An index of a patched file set
 * Lintian::Index::Scripts - information about scripts.
 * Lintian::Index::Strings - strings in binary files.
 * Lintian::Inspect::Changelog -- Parse a literal version string into its constituents
 * Lintian::Inspect::Changelog::Entry - represents one entry in a Debian changelog
 * Lintian::Inspect::Changelog::Version -- Parse a literal version string into its cons...
 * Lintian::Maintainer -- Lintian checks shared between multiple scripts
 * Lintian::Output - Lintian messaging handling
 * Lintian::Pool -- Pool of processables
 * Lintian::Processable -- An (abstract) object that Lintian can process
 * Lintian::Processable::Binary -- A deb installation package Lintian can process
 * Lintian::Processable::Binary::Changelog - collect changelog information
 * Lintian::Processable::Binary::Class - Lintian interface to binary package data collec...
 * Lintian::Processable::Binary::Copyright - collect copyright information
 * Lintian::Processable::Binary::Relation - Lintian interface to binary package data col...
 * Lintian::Processable::Buildinfo -- A buildinfo file Lintian can process
 * Lintian::Processable::Changelog - access to collected changelog data
 * Lintian::Processable::Changelog::Version - Lintian interface to source package data c...
 * Lintian::Processable::Changes -- A changes file Lintian can process
 * Lintian::Processable::Control - access to collected control file data
 * Lintian::Processable::Control::Conffiles - access to collected control data for conff...
 * Lintian::Processable::Diffstat - access to collected diffstat data
 * Lintian::Processable::Fields::Files - Lintian interface to .buildinfo or changes file...
 * Lintian::Processable::Hardening - access to collected hardening data
 * Lintian::Processable::Installable - Lintian interface to binary package data collection
 * Lintian::Processable::Installed - access to collected data about the upstream (orig) ...
 * Lintian::Processable::IsNonFree - Lintian interface to source package data collection
 * Lintian::Processable::Objdump - access to collected binary object data
 * Lintian::Processable::Orig - access to collected data about the upstream (orig) sources
 * Lintian::Processable::Overrides - access to override data
 * Lintian::Processable::Patched - access to sources with Debian patches applied
 * Lintian::Processable::Source -- A dsc source package Lintian can process
 * Lintian::Processable::Source::Diffstat - collect diffstat information
 * Lintian::Processable::Source::Fields - Lintian interface to source package data colle...
 * Lintian::Processable::Source::Format - Lintian interface to source format
 * Lintian::Processable::Source::Relation - Lintian interface to source package data col...
 * Lintian::Processable::Source::Repacked - Lintian interface to source package data col...
 * Lintian::Processable::Udeb -- A udeb installation package Lintian can process
 * Lintian::Profile - Profile parser for Lintian
 * Lintian::Relation - Lintian operations on dependencies and relationships
 * Lintian::Relation::Version - Comparison operators on Debian versions
 * Lintian::Reporting::ResourceManager -- A simple resource manager for html_reports
 * Lintian::Reporting::Util - Lintian utility functions
 * Lintian::SlidingWindow - Lintian interface to sliding window match
 * Lintian::Spelling -- Lintian spell checks shared between multiple scripts
 * Lintian::Tag -- Common facilities for Lintian tags found and to be issued
 * Lintian::Tag::Bearer -- Facilities for objects receiving Lintian tags
 * Lintian::Tag::Info - Lintian interface to tag metadata
 * Lintian::Tag::Standard - standard tag with arguments concatenated by space
 * Lintian::Tutorial -- The newcomer's guide to Lintian
 * Lintian::Tutorial::TestSuite -- Quick intro to running the Lintian testsuite
 * Lintian::Tutorial::WritingChecks -- Writing checks for Lintian
 * Lintian::Tutorial::WritingTests -- Short tutorial on writing tests
 * Lintian::Util - Lintian utility functions
 * linux-check-removal - check whether removal of a kernel is safe
 * linux-update-symlinks - maintain symlinks to default kernel and initramfs
 * linux-version - operate on Linux kernel version strings
 * linux32 - change reported architecture in new program environment and/or set...
 * linux64 - change reported architecture in new program environment and/or set...
 * Linux::Epoll (3pm) - O multiplexing for Linux
 * lio_listio - initiate a list of I/O requests
 * lispmtopgm - convert a Lisp Machine bitmap file into pgm format
 * list (1ssl) - list algorithms and features
 * List::Compare (3pm) - Compare elements of two or more lists
 * List::Compare::Base::_Auxiliary (3pm)- Internal use only
 * List::Compare::Base::_Engine (3pm)- Internal use only
 * List::Compare::Functional (3pm)- Compare elements of two or more lists
 * List::MoreUtils (3pm)- Provide the stuff missing in List::Util
 * List::MoreUtils::Contributing (3pm)- Gives rough introduction into contributing to List:...
 * List::MoreUtils::PP (3pm)- Provide List::MoreUtils pure Perl implementation
 * List::MoreUtils::XS (3pm)- Provide compiled List::MoreUtils functions
 * LIST_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail qu...
 * LIST_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queues...
 * LIST_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail queue...
 * LIST_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * listres - list resources in widgets
 * listxattr - list extended attribute names
 * llabs - compute the absolute value of an integer
 * lldiv - compute quotient and remainder of an integer division
 * llistxattr - list extended attribute names
 * llrint - round to nearest integer
 * llrintf - round to nearest integer
 * llrintl - round to nearest integer
 * llround - round to nearest integer
 * llroundf - round to nearest integer
 * llroundl - round to nearest integer
 * llseek - reposition read/write file offset
 * lmhosts - The Samba NetBIOS hosts file
 * lmtp (8postfix) - Postfix SMTP+LMTP client
 * ln - make links between files
 * lneato - A Customizable Graph Editor
 * lnstat - unified linux network statistics
 * loader.conf - Configuration file for systemd-boot
 * loadkeys - load keyboard translation tables
 * loadunimap - load the kernel unicode-to-font mapping table
 * lobase - LibreOffice office suite
 * localc - LibreOffice office suite
 * locale - get locale-specific information
 * locale - describes a locale definition file
 * locale - description of multilanguage support
 * locale-gen - generates localisation files from templates
 * locale.conf - Configuration file for locale settings
 * locale.gen - Configuration file for locale-gen
 * Locale::gettext (3pm)- message handling functions
 * Locale::gettext_dumb (3pm)- Locale unaware Implementation of Uniforum Message Translation
 * Locale::gettext_pp (3pm)- Pure Perl Implementation of Uniforum Message Translation
 * Locale::gettext_xs (3pm)- XS Implementation of Uniforum Message Translation
 * Locale::libintlFAQ (3pm)- Frequently asked questions for libintl-perl
 * Locale::Messages (3pm)- Gettext Like Message Retrieval
 * Locale::Recode (3pm)- Object-Oriented Portable Charset Conversion
 * Locale::Recode::_Aliases (3pm)- Internal Charset Alias Database for libintl-perl
 * Locale::Recode::_Conversions (3pm)- Internal Table of Known Conversions
 * Locale::RecodeData (3pm)- Abstract Base Class for Charset Converters
 * Locale::RecodeData::_Encode (3pm)- Internal wrapper around Encode
 * Locale::RecodeData::ASMO_449 (3pm)- Conversion routines for ASMO_449
 * Locale::RecodeData::ATARI_ST (3pm)- Conversion routines for ATARI-ST
 * Locale::RecodeData::ATARI_ST_EURO (3pm)- Conversion routines for ATARI-ST-EURO
 * Locale::RecodeData::CP10007 (3pm)- Conversion routines for CP10007
 * Locale::RecodeData::CP1250 (3pm)- Conversion routines for CP1250
 * Locale::RecodeData::CP1251 (3pm)- Conversion routines for CP1251
 * Locale::RecodeData::CP1252 (3pm)- Conversion routines for CP1252
 * Locale::RecodeData::CP1253 (3pm)- Conversion routines for CP1253
 * Locale::RecodeData::CP1254 (3pm)- Conversion routines for CP1254
 * Locale::RecodeData::CP1256 (3pm)- Conversion routines for CP1256
 * Locale::RecodeData::CP1257 (3pm)- Conversion routines for CP1257
 * Locale::RecodeData::CSN_369103 (3pm)- Conversion routines for CSN_369103
 * Locale::RecodeData::CWI (3pm)- Conversion routines for CWI
 * Locale::RecodeData::DEC_MCS (3pm)- Conversion routines for DEC_MCS
 * Locale::RecodeData::EBCDIC_AT_DE (3pm)- Conversion routines for EBCDIC_AT_DE
 * Locale::RecodeData::EBCDIC_AT_DE_A (3pm)- Conversion routines for EBCDIC_AT_DE_A
 * Locale::RecodeData::EBCDIC_CA_FR (3pm)- Conversion routines for EBCDIC_CA_FR
 * Locale::RecodeData::EBCDIC_DK_NO (3pm)- Conversion routines for EBCDIC_DK_NO
 * Locale::RecodeData::EBCDIC_DK_NO_A (3pm)- Conversion routines for EBCDIC_DK_NO_A
 * Locale::RecodeData::EBCDIC_ES (3pm)- Conversion routines for EBCDIC_ES
 * Locale::RecodeData::EBCDIC_ES_A (3pm)- Conversion routines for EBCDIC_ES_A
 * Locale::RecodeData::EBCDIC_ES_S (3pm)- Conversion routines for EBCDIC_ES_S
 * Locale::RecodeData::EBCDIC_FI_SE (3pm)- Conversion routines for EBCDIC_FI_SE
 * Locale::RecodeData::EBCDIC_FI_SE_A (3pm)- Conversion routines for EBCDIC_FI_SE_A
 * Locale::RecodeData::EBCDIC_FR (3pm)- Conversion routines for EBCDIC_FR
 * Locale::RecodeData::EBCDIC_IS_FRISS (3pm)- Conversion routines for EBCDIC_IS_FRISS
 * Locale::RecodeData::EBCDIC_IT (3pm)- Conversion routines for EBCDIC_IT
 * Locale::RecodeData::EBCDIC_PT (3pm)- Conversion routines for EBCDIC_PT
 * Locale::RecodeData::EBCDIC_UK (3pm)- Conversion routines for EBCDIC_UK
 * Locale::RecodeData::EBCDIC_US (3pm)- Conversion routines for EBCDIC_US
 * Locale::RecodeData::ECMA_CYRILLIC (3pm)- Conversion routines for ECMA_CYRILLIC
 * Locale::RecodeData::GEORGIAN_ACADEMY (3pm)- Conversion routines for GEORGIAN-ACADEMY
 * Locale::RecodeData::GEORGIAN_PS (3pm)- Conversion routines for GEORGIAN-PS
 * Locale::RecodeData::GOST_19768_74 (3pm)- Conversion routines for GOST_19768_74
 * Locale::RecodeData::GREEK7 (3pm)- Conversion routines for GREEK7
 * Locale::RecodeData::GREEK7_OLD (3pm)- Conversion routines for GREEK7_OLD
 * Locale::RecodeData::GREEK_CCITT (3pm)- Conversion routines for GREEK_CCITT
 * Locale::RecodeData::HP_ROMAN8 (3pm)- Conversion routines for HP_ROMAN8
 * Locale::RecodeData::IBM037 (3pm)- Conversion routines for IBM037
 * Locale::RecodeData::IBM038 (3pm)- Conversion routines for IBM038
 * Locale::RecodeData::IBM1004 (3pm)- Conversion routines for IBM1004
 * Locale::RecodeData::IBM1026 (3pm)- Conversion routines for IBM1026
 * Locale::RecodeData::IBM1047 (3pm)- Conversion routines for IBM1047
 * Locale::RecodeData::IBM256 (3pm)- Conversion routines for IBM256
 * Locale::RecodeData::IBM273 (3pm)- Conversion routines for IBM273
 * Locale::RecodeData::IBM274 (3pm)- Conversion routines for IBM274
 * Locale::RecodeData::IBM275 (3pm)- Conversion routines for IBM275
 * Locale::RecodeData::IBM277 (3pm)- Conversion routines for IBM277
 * Locale::RecodeData::IBM278 (3pm)- Conversion routines for IBM278
 * Locale::RecodeData::IBM280 (3pm)- Conversion routines for IBM280
 * Locale::RecodeData::IBM281 (3pm)- Conversion routines for IBM281
 * Locale::RecodeData::IBM284 (3pm)- Conversion routines for IBM284
 * Locale::RecodeData::IBM285 (3pm)- Conversion routines for IBM285
 * Locale::RecodeData::IBM290 (3pm)- Conversion routines for IBM290
 * Locale::RecodeData::IBM297 (3pm)- Conversion routines for IBM297
 * Locale::RecodeData::IBM420 (3pm)- Conversion routines for IBM420
 * Locale::RecodeData::IBM423 (3pm)- Conversion routines for IBM423
 * Locale::RecodeData::IBM424 (3pm)- Conversion routines for IBM424
 * Locale::RecodeData::IBM437 (3pm)- Conversion routines for IBM437
 * Locale::RecodeData::IBM500 (3pm)- Conversion routines for IBM500
 * Locale::RecodeData::IBM850 (3pm)- Conversion routines for IBM850
 * Locale::RecodeData::IBM851 (3pm)- Conversion routines for IBM851
 * Locale::RecodeData::IBM852 (3pm)- Conversion routines for IBM852
 * Locale::RecodeData::IBM855 (3pm)- Conversion routines for IBM855
 * Locale::RecodeData::IBM857 (3pm)- Conversion routines for IBM857
 * Locale::RecodeData::IBM860 (3pm)- Conversion routines for IBM860
 * Locale::RecodeData::IBM861 (3pm)- Conversion routines for IBM861
 * Locale::RecodeData::IBM862 (3pm)- Conversion routines for IBM862
 * Locale::RecodeData::IBM863 (3pm)- Conversion routines for IBM863
 * Locale::RecodeData::IBM864 (3pm)- Conversion routines for IBM864
 * Locale::RecodeData::IBM865 (3pm)- Conversion routines for IBM865
 * Locale::RecodeData::IBM866 (3pm)- Conversion routines for IBM866
 * Locale::RecodeData::IBM868 (3pm)- Conversion routines for IBM868
 * Locale::RecodeData::IBM869 (3pm)- Conversion routines for IBM869
 * Locale::RecodeData::IBM870 (3pm)- Conversion routines for IBM870
 * Locale::RecodeData::IBM871 (3pm)- Conversion routines for IBM871
 * Locale::RecodeData::IBM874 (3pm)- Conversion routines for IBM874
 * Locale::RecodeData::IBM875 (3pm)- Conversion routines for IBM875
 * Locale::RecodeData::IBM880 (3pm)- Conversion routines for IBM880
 * Locale::RecodeData::IBM891 (3pm)- Conversion routines for IBM891
 * Locale::RecodeData::IBM903 (3pm)- Conversion routines for IBM903
 * Locale::RecodeData::IBM904 (3pm)- Conversion routines for IBM904
 * Locale::RecodeData::IBM905 (3pm)- Conversion routines for IBM905
 * Locale::RecodeData::IBM918 (3pm)- Conversion routines for IBM918
 * Locale::RecodeData::IEC_P27_1 (3pm)- Conversion routines for IEC_P27_1
 * Locale::RecodeData::INIS (3pm)- Conversion routines for INIS
 * Locale::RecodeData::INIS_8 (3pm)- Conversion routines for INIS_8
 * Locale::RecodeData::INIS_CYRILLIC (3pm)- Conversion routines for INIS_CYRILLIC
 * Locale::RecodeData::ISO_10367_BOX (3pm)- Conversion routines for ISO_10367_BOX
 * Locale::RecodeData::ISO_2033_1983 (3pm)- Conversion routines for ISO_2033_1983
 * Locale::RecodeData::ISO_5427 (3pm)- Conversion routines for ISO_5427
 * Locale::RecodeData::ISO_5427_EXT (3pm)- Conversion routines for ISO_5427_EXT
 * Locale::RecodeData::ISO_5428 (3pm)- Conversion routines for ISO_5428
 * Locale::RecodeData::ISO_8859_1 (3pm)- Conversion routines for ISO-8859-1
 * Locale::RecodeData::ISO_8859_10 (3pm)- Conversion routines for ISO-8859-10
 * Locale::RecodeData::ISO_8859_11 (3pm)- Conversion routines for ISO-8859-11
 * Locale::RecodeData::ISO_8859_13 (3pm)- Conversion routines for ISO-8859-13
 * Locale::RecodeData::ISO_8859_14 (3pm)- Conversion routines for ISO-8859-14
 * Locale::RecodeData::ISO_8859_15 (3pm)- Conversion routines for ISO-8859-15
 * Locale::RecodeData::ISO_8859_16 (3pm)- Conversion routines for ISO-8859-16
 * Locale::RecodeData::ISO_8859_2 (3pm)- Conversion routines for ISO-8859-2
 * Locale::RecodeData::ISO_8859_3 (3pm)- Conversion routines for ISO-8859-3
 * Locale::RecodeData::ISO_8859_4 (3pm)- Conversion routines for ISO-8859-4
 * Locale::RecodeData::ISO_8859_5 (3pm)- Conversion routines for ISO-8859-5
 * Locale::RecodeData::ISO_8859_6 (3pm)- Conversion routines for ISO-8859-6
 * Locale::RecodeData::ISO_8859_7 (3pm)- Conversion routines for ISO-8859-7
 * Locale::RecodeData::ISO_8859_8 (3pm)- Conversion routines for ISO-8859-8
 * Locale::RecodeData::ISO_8859_9 (3pm)- Conversion routines for ISO-8859-9
 * Locale::RecodeData::KOI8_R (3pm)- Conversion routines for KOI8-R
 * Locale::RecodeData::KOI8_RU (3pm)- Conversion routines for KOI8-RU
 * Locale::RecodeData::KOI8_T (3pm)- Conversion routines for KOI8-T
 * Locale::RecodeData::KOI8_U (3pm)- Conversion routines for KOI8-U
 * Locale::RecodeData::KOI_8 (3pm)- Conversion routines for KOI-8
 * Locale::RecodeData::LATIN_GREEK (3pm)- Conversion routines for LATIN_GREEK
 * Locale::RecodeData::LATIN_GREEK_1 (3pm)- Conversion routines for LATIN_GREEK_1
 * Locale::RecodeData::MAC_IS (3pm)- Conversion routines for MAC-IS
 * Locale::RecodeData::MAC_SAMI (3pm)- Conversion routines for MAC-SAMI
 * Locale::RecodeData::MAC_UK (3pm)- Conversion routines for MAC-UK
 * Locale::RecodeData::MACARABIC (3pm)- Conversion routines for MACARABIC
 * Locale::RecodeData::MACCROATIAN (3pm)- Conversion routines for MACCROATIAN
 * Locale::RecodeData::MACCYRILLIC (3pm)- Conversion routines for MACCYRILLIC
 * Locale::RecodeData::MACGREEK (3pm)- Conversion routines for MACGREEK
 * Locale::RecodeData::MACHEBREW (3pm)- Conversion routines for MACHEBREW
 * Locale::RecodeData::MACICELAND (3pm)- Conversion routines for MACICELAND
 * Locale::RecodeData::MACINTOSH (3pm)- Conversion routines for MACINTOSH
 * Locale::RecodeData::MACROMANIA (3pm)- Conversion routines for MACROMANIA
 * Locale::RecodeData::MACTHAI (3pm)- Conversion routines for MACTHAI
 * Locale::RecodeData::MACTURKISH (3pm)- Conversion routines for MACTURKISH
 * Locale::RecodeData::MACUKRAINE (3pm)- Conversion routines for MACUKRAINE
 * Locale::RecodeData::NATS_DANO (3pm)- Conversion routines for NATS_DANO
 * Locale::RecodeData::NATS_SEFI (3pm)- Conversion routines for NATS_SEFI
 * Locale::RecodeData::NEXTSTEP (3pm)- Conversion routines for NEXTSTEP
 * Locale::RecodeData::SAMI_WS2 (3pm)- Conversion routines for SAMI_WS2
 * Locale::RecodeData::TIS_620 (3pm)- Conversion routines for TIS-620
 * Locale::RecodeData::US_ASCII (3pm)- Conversion routines for US-ASCII
 * Locale::RecodeData::UTF_8 (3pm)- Conversion routines for UTF-8
 * Locale::RecodeData::VISCII (3pm)- Conversion routines for VISCII
 * Locale::TextDomain (3pm)- Perl Interface to Uniforum Message Translation
 * Locale::Util (3pm) - Portable l10n and i10n functions
 * localeconv - get numeric formatting information
 * localectl - Control the system locale and keyboard layout settings
 * localedef - compile locale definition files
 * localtime - transform date and time to broken-down time or ASCII
 * localtime - Local timezone configuration file
 * localtime_r - transform date and time to broken-down time or ASCII
 * locate - find files by name
 * lock - unimplemented system calls
 * lockf - apply, test or remove a POSIX lock on an open file
 * lofromtemplate - LibreOffice office suite
 * log - natural logarithmic function
 * log10 - base-10 logarithmic function
 * log10f - base-10 logarithmic function
 * log10l - base-10 logarithmic function
 * log1p - logarithm of 1 plus argument
 * log1pf - logarithm of 1 plus argument
 * log1pl - logarithm of 1 plus argument
 * log2 - base-2 logarithmic function
 * log2f - base-2 logarithmic function
 * log2l - base-2 logarithmic function
 * logb - get exponent of a floating-point value
 * logbf - get exponent of a floating-point value
 * logbl - get exponent of a floating-point value
 * logf - natural logarithmic function
 * logger - enter messages into the system log
 * login - begin session on the system
 * login - write utmp and wtmp entries
 * login.defs - shadow password suite configuration
 * login_tty - terminal utility functions
 * loginctl - Control the systemd login manager
 * logind.conf - Login manager configuration files
 * logind.conf.d - Login manager configuration files
 * logl - natural logarithmic function
 * logname - print user's login name
 * logout - write utmp and wtmp entries
 * logresolve - Resolve IP-addresses to hostnames in Apache log files
 * logrotate - rotates, compresses, and mails system logs
 * logrotate.conf - rotates, compresses, and mails system logs
 * logsave - save the output of a command in a logfile
 * logwtmp - append an entry to the wtmp file
 * loimpress - LibreOffice office suite
 * lomath - LibreOffice office suite
 * longjmp - performing a nonlocal goto
 * look - display lines beginning with a given string
 * lookup_dcookie - return a directory entry's path
 * lorder - list dependencies for object files
 * losetup - set up and control loop devices
 * lowntfs-3g - Third Generation Read/Write NTFS Driver
 * lp - print files
 * lpadmin - configure cups printers and classes
 * lpc - line printer control program (deprecated)
 * lpinfo - show available devices or drivers (deprecated)
 * lpmove - move a job or all jobs to a new destination
 * lpoptions - display or set printer options and defaults
 * lpq - show printer queue status
 * lpr - print files
 * lprm - cancel print jobs
 * lpstat - print cups status information
 * lrand48 - generate uniformly distributed pseudo-random numbers
 * lrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * lremovexattr - remove an extended attribute
 * lrint - round to nearest integer
 * lrintf - round to nearest integer
 * lrintl - round to nearest integer
 * lround - round to nearest integer
 * lroundf - round to nearest integer
 * lroundl - round to nearest integer
 * ls - list directory contents
 * lsattr - list file attributes on a Linux second extended file system
 * lsb_release - print distribution-specific information
 * lscpu - display information about the CPU architecture
 * lsdiff - show which files are modified by a patch
 * lsearch - linear search of an array
 * lseek - reposition read/write file offset
 * lseek64 - reposition 64-bit read/write file offset
 * lsetxattr - set an extended attribute value
 * lsinitramfs - list content of an initramfs image
 * lsipc - show information on IPC facilities currently employed in the system
 * lslogins - display information about known users in the system
 * lsmem - list the ranges of available memory with their online status
 * lsmod - Show the status of modules in the Linux Kernel
 * lsns - list namespaces
 * lspcmcia - display extended PCMCIA debugging information
 * lspgpot - extracts the ownertrust values from PGP keyrings and list them in ...
 * lss16toppm - Convert an LSS-16 image to PPM
 * lstat - get file status
 * lstat64 - get file status
 * ltrace - A library call tracer
 * ltrace.conf - Configuration file for ltrace.
 * luit - Locale and ISO 2022 support for Unicode terminals
 * luksformat - Create and format an encrypted LUKS device
 * lutimes - change file timestamps
 * lvchange - Change the attributes of logical volume
 * lvconvert - Change logical volume layout
 * lvcreate - Create a logical volume
 * lvdisplay - Display information about a logical volume
 * lvextend - Add space to a logical volume
 * lvm-config - Display and manipulate configuration information
 * lvm-dumpconfig - Display and manipulate configuration information
 * lvm.conf - Configuration file for LVM2
 * lvm2-activation-generator - generator for systemd units to activate LVM volumes on boot
 * lvmcache - LVM caching
 * lvmconfig - Display and manipulate configuration information
 * lvmdiskscan - List devices that may be used as physical volumes
 * lvmdump - create lvm2 information dumps for diagnostic purposes
 * lvmpolld - LVM poll daemon
 * lvmreport - LVM reporting and related features
 * lvmsadc - LVM system activity data collector
 * lvmthin - LVM thin provisioning
 * lvmvdo - EXPERIMENTAL LVM Virtual Data Optimizer support
 * lvreduce - Reduce the size of a logical volume
 * lvremove - Remove logical volume from the system
 * lvrename - Rename a logical volume
 * lvresize - Resize a logical volume
 * lvs - Display information about logical volumes
 * lvscan - List all logical volumes in all volume groups
 * lwp-download (1p) - Fetch large files from the web
 * lwp-dump (1p) - See what headers and content is returned for a URL
 * lwp-request (1p) - Simple command line user agent
 * LWP::Authen::Ntlm (3pm)- Library for enabling NTLM authentication (Microsoft) in LWP
 * LWP::ConnCache (3pm)- Connection cache manager
 * LWP::Debug (3pm) - deprecated
 * LWP::MediaTypes (3pm)- guess media type for a file or a URL
 * LWP::MemberMixin (3pm)- Member access mixin class
 * LWP::Protocol (3pm) - Base class for LWP protocols
 * LWP::Protocol::https (3pm)- Provide https support for LWP::UserAgent
 * LWP::RobotUA (3pm) - a class for well-behaved Web robots
 * LWP::Simple (3pm) - simple procedural interface to LWP
 * LWP::UserAgent (3pm)- Web user agent class
 * lynx - a general purpose distributed information browser for the World Wi...
 * lz - gunzips and shows a listing of a gzip'd tar'd archive
 * lz4 - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * lz4c - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * lz4cat - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * lzcat - Compress or decompress .xz and .lzma files
 * lzcmp - compare compressed files
 * lzdiff - compare compressed files
 * lzegrep - search compressed files for a regular expression
 * lzfgrep - search compressed files for a regular expression
 * lzgrep - search compressed files for a regular expression
 * lzless - view xz or lzma compressed (text) files
 * lzma - Compress or decompress .xz and .lzma files
 * lzmainfo - show information stored in the .lzma file header
 * lzmore - view xz or lzma compressed (text) files
 * m4 - macro processor
 * machine-id - Local machine ID configuration file
 * machine-info - Local machine information file
 * macptopbm - convert a MacPaint file into a portable bitmap
 * madvise - give advice about use of memory
 * madvise1 - unimplemented system calls
 * magic - file command's magic pattern file
 * mail - send and receive mail
 * Mail::Address (3pm) - parse mail addresses
 * Mail::Cap (3pm) - understand mailcap files
 * Mail::Field (3pm) - base-class for manipulation of mail header fields
 * Mail::Field::AddrList (3pm)- object representation of e-mail address lists
 * Mail::Field::Date (3pm)- a date header field
 * Mail::Field::Generic (3pm)- implementation for inspecific fields
 * Mail::Filter (3pm) - filter mail through multiple subroutines
 * Mail::Header (3pm) - manipulate MIME headers
 * Mail::Internet (3pm)- manipulate email messages
 * Mail::Send (3pm) - Simple electronic mail interface
 * Mail::Sendmail (3pm)- Simple platform independent mailer
 * mailaddr - mail addressing description
 * mailcap - metamail capabilities file
 * mailcap.order - the mailcap ordering specifications
 * mailq - Postfix to Sendmail compatibility interface
 * mailto.conf - configuration file for cups email notifier
 * MailTools (3pm) - bundle of ancient email modules
 * mailx - send and receive mail
 * maim - make image
 * major - manage a device number
 * make - GNU make utility to maintain groups of programs
 * make-first-existing-target - runs make on one of several targets
 * make-ssl-cert - Debconf wrapper for openssl
 * makecontext - manipulate user context
 * makedefs - Postfix makefile configuration utility
 * makedev - manage a device number
 * mako-render - renders Mako templates
 * mallinfo - obtain memory allocation information
 * malloc - allocate and free dynamic memory
 * malloc_get_state - record and restore state of malloc implementation
 * malloc_hook - malloc debugging variables
 * malloc_info - export malloc state to a stream
 * malloc_set_state - record and restore state of malloc implementation
 * malloc_stats - print memory allocation statistics
 * malloc_trim - release free memory from the heap
 * malloc_usable_size - obtain size of block of memory allocated from heap
 * mallopt - set memory allocation parameters
 * man - an interface to the system reference manuals
 * man - macros to format man pages
 * man-pages - conventions for writing Linux man pages
 * man-recode - convert manual pages to another encoding
 * manconv - convert manual page from one encoding to another
 * mandb - create or update the manual page index caches
 * manpath - determine search path for manual pages
 * manpath - format of the /etc/manpath.config file
 * mapscrn - load screen output mapping table
 * master - Postfix master process configuration file format
 * master (8postfix) - Postfix master process
 * tc-matchall - traffic control filter that matches every packet
 * mate-about - Learn more about MATE
 * mate-color-select - Select a color from a palette or from screen
 * mate-desktop-item-edit - A small tool to edit .desktop files.
 * mate-panel - The Panel for the MATE Desktop Environment
 * mate-panel-test-applets - display and test installed applets
 * mate-polkit - MATE PolicyKit-1 executable wrapper
 * math_error - detecting errors from mathematical functions
 * matherr - SVID math library exception handling
 * mattrib - change MSDOS file attribute flags
 * mawk - pattern scanning and text processing language
 * MB_CUR_MAX - maximum length of a multibyte character in the current locale
 * MB_LEN_MAX - maximum multibyte length of a character across all locales
 * mbadblocks - tests a floppy disk, and marks the bad blocks in the FAT
 * mbind - set memory policy for a memory range
 * mblen - determine number of bytes in next multibyte character
 * mbrlen - determine number of bytes in next multibyte character
 * mbsinit - test for initial shift state
 * mbsnrtowcs - convert a multibyte string to a wide-character string
 * mbsrtowcs - convert a multibyte string to a wide-character string
 * mbstowcs - convert a multibyte string to a wide-character string
 * mcat - dump raw disk image
 * mcd - change MSDOS directory
 * mcdiff - Visual shell for Unix-like systems.
 * mcedit - Internal file editor of GNU Midnight Commander.
 * mcheck - verify all files on an MS-DOS formatted disk
 * mcheck - heap consistency checking
 * mcheck_check_all - heap consistency checking
 * mcheck_pedantic - heap consistency checking
 * mclasserase - erase memory cards
 * mcomp - Compares two files using mtools
 * mcookie - generate magic cookies for xauth
 * mcopy - copy MSDOS files to/from Unix
 * mcview - Internal file viewer of GNU Midnight Commander.
 * md5pass - Create an MD5 password hash
 * md5sum - compute and check MD5 message digest
 * md5sum.textutils - compute and check MD5 message digest
 * mdatopbm - convert a Microdesign .mda or .mdp file into a portable bitmap
 * mdel - delete an MSDOS file
 * mdeltree - recursively delete an MSDOS directory and its contents
 * mdig - DNS pipelined lookup utility
 * mdir - display an MSDOS directory
 * mdu - display the amount of space occupied by an MSDOS directory
 * mechanize - mechanize Documentation
 * mem - system memory, kernel memory and system ports
 * memalign - allocate aligned memory
 * membarrier - issue memory barriers on a set of threads
 * memcache_table - Postfix memcache client configuration
 * memchr - scan memory for a character
 * memdiskfind - Simple utility to find a resident memdisk instance.
 * memfd_create - create an anonymous file
 * memfrob - frobnicate (encrypt) a memory area
 * memmem - locate a substring
 * memrchr - scan memory for a character
 * memset - fill memory with a constant byte
 * memusage - profile memory usage of a program
 * memusagestat - generate graphic from memory profiling data
 * mesg - display (or do not display) messages from other users
 * metacity - minimal GTK3 Window Manager
 * metacity-window-demo - demo of window features
 * mformat - add an MSDOS filesystem to a low-level formatted floppy disk
 * mgrtopbm - convert a MGR bitmap into a portable bitmap
 * mib2c.conf - How to write mib2c.conf files to do ANYTHING based on MIB input.
 * midid - Raw Midi interpreter
 * migrate-pubring-from-classic-gpg - Migrate a public keyring from "classic" to "modern...
 * migrate_pages - move all pages in a process to another set of nodes
 * mii-tool - view, manipulate media-independent interface status
 * mime.convs - mime type conversion file for cups (deprecated)
 * mime.types - mime type description file for cups
 * mimeopen (1p) - Open files by mimetype
 * mimetype (1p) - Determine file type
 * min12xxw - Convert pbmraw streams to Minolta PagePro 12xxW languages
 * mincore - determine whether pages are resident in memory
 * minfo - print the parameters of a MSDOS filesystem
 * mingle - fast edge bundling
 * minisat - fast and lightweight SAT solver
 * minor - manage a device number
 * mint-release-upgrade - Linux Mint point release installer
 * mintmenu - advanced MATE menu
 * mintsources - Software Sources List editor
 * mintstick - gui only application to write .img and .iso files to USB keys
 * mintupdate - The Linux Mint Update Manager
 * mintupdate-cli - The Linux Mint Update Manager command line interface.
 * mintupdate-launcher - Linux Mint Update Manager launcher
 * tc-mirred - mirror/redirect action
 * mispipe - pipe two commands, returning the exit status of the first
 * mk_modmap - translate a Linux keytable file into an xmodmap file
 * mkdir - make directories
 * mkdir - create a directory
 * mkdirat - create a directory
 * mkdiskimage - Create a blank MS-DOS formatted hard disk image
 * mkdosfs - create an MS-DOS filesystem under Linux
 * mkdtemp - create a unique temporary directory
 * mke2fs - create an ext2/ext3/ext4 filesystem
 * mke2fs.conf - Configuration file for mke2fs
 * mkexfatfs - create an exFAT file system
 * mkfatimage16 - generate a virtual drive image suitable for DOSEMU
 * mkfifo - make FIFOs (named pipes)
 * mkfifo - make a FIFO special file (a named pipe)
 * mkfifoat - make a FIFO special file (a named pipe)
 * mkfontdir - create an index of X font files in a directory
 * mkfontscale - create an index of scalable font files for X
 * mkfs - build a Linux filesystem
 * mkfs.bfs - make an SCO bfs filesystem
 * mkfs.btrfs - create a btrfs filesystem
 * mkfs.cramfs - make compressed ROM file system
 * mkfs.exfat - create an exFAT file system
 * mkfs.ext2 - create an ext2/ext3/ext4 filesystem
 * mkfs.ext3 - create an ext2/ext3/ext4 filesystem
 * mkfs.ext4 - create an ext2/ext3/ext4 filesystem
 * mkfs.fat - create an MS-DOS filesystem under Linux
 * mkfs.hfs - construct a new HFS Plus file system
 * mkfs.hfsplus - construct a new HFS Plus file system
 * mkfs.jfs - create a JFS formatted partition
 * mkfs.minix - make a Minix filesystem
 * mkfs.msdos - create an MS-DOS filesystem under Linux
 * mkfs.ntfs - create an NTFS file system
 * mkfs.reiserfs - The create tool for the Linux ReiserFS filesystem.
 * mkfs.vfat - create an MS-DOS filesystem under Linux
 * mkfs.xfs - construct an XFS filesystem
 * mkhomedir_helper - Helper binary that creates home directories
 * mkinitramfs - low-level tool for generating an initramfs image
 * mkisofs - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * mklost+found - create a lost+found directory on a mounted Linux second extended f...
 * mkmanifest - makes list of file names and their DOS 8+3 equivalent
 * mknod - make block or character special files
 * mknod - create a special or ordinary file
 * mknodat - create a special or ordinary file
 * mkntfs - create an NTFS file system
 * mkostemp - create a unique temporary file
 * mkostemps - create a unique temporary file
 * mkreiserfs - The create tool for the Linux ReiserFS filesystem.
 * mksquashfs - tool to create and append to squashfs filesystems
 * mkstemp - create a unique temporary file
 * mkstemps - create a unique temporary file
 * mktemp - create a temporary file or directory
 * mktemp - make a unique temporary filename
 * mktime - transform date and time to broken-down time or ASCII
 * mkzftree - Create a zisofs/RockRidge compressed file tree
 * mlabel - make an MSDOS volume label
 * mlocate - find files by name
 * mlocate.db - a mlocate database
 * mlock - lock and unlock memory
 * mlock2 - lock and unlock memory
 * mlockall - lock and unlock memory
 * mm2gv - Matrix Market-DOT converters
 * mmap - map or unmap files or devices into memory
 * mmap2 - map files or devices into memory
 * mmap64 - map or unmap files or devices into memory
 * mmcli - Control and monitor the ModemManager
 * mmd - make an MSDOS subdirectory
 * mmount - mount an MSDOS disk
 * mmove - move or rename an MSDOS file or subdirectory
 * ModemManager - mobile broadband modem management daemon
 * modesetting - video driver for framebuffer device
 * modf - extract signed integral and fractional values from floating-point ...
 * modff - extract signed integral and fractional values from floating-point ...
 * modfl - extract signed integral and fractional values from floating-point ...
 * modify_ldt - get or set a per-process LDT entry
 * modinfo - Show information about a Linux Kernel module
 * modprobe - Add and remove modules from the Linux Kernel
 * modprobe.d - Configuration directory for modprobe
 * Module::Implementation (3pm)- Loads one of several alternate underlying implementations ...
 * Module::Runtime (3pm)- runtime module handling
 * modules - kernel modules to load at boot time
 * modules-load.d - Configure kernel modules to load at boot
 * modules.dep - Module dependency information
 * modules.dep.bin - Module dependency information
 * mogrify - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mogrify-im6 - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mogrify-im6.q16 - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mojo (1p) - The Mojolicious command system
 * Mojo::Asset (3pm) - HTTP content storage base class
 * Mojo::Asset::File (3pm)- File storage for HTTP content
 * Mojo::Asset::Memory (3pm)- In-memory storage for HTTP content
 * Mojo::Base (3pm) - Minimal base class for Mojo projects
 * Mojo::Content (3pm) - HTTP content base class
 * Mojo::Content::MultiPart (3pm)- HTTP multipart content
 * Mojo::Content::Single (3pm)- HTTP content
 * Mojo::Cookie (3pm) - HTTP cookie base class
 * Mojo::Date (3pm) - HTTP date
 * Mojo::DOM (3pm) - Minimalistic HTML/XML DOM parser with CSS selectors
 * Mojo::DOM::CSS (3pm)- CSS selector engine
 * Mojo::DOM::HTML (3pm)- HTML/XML engine
 * Mojo::DynamicMethods (3pm)- Fast dynamic method dispatch
 * Mojo::EventEmitter (3pm)- Event emitter base class
 * Mojo::Exception (3pm)- Exception base class
 * Mojo::File (3pm) - File system paths
 * Mojo::IOLoop (3pm) - Minimalistic event loop
 * Mojo::IOLoop::Client (3pm)- Non-blocking TCP/IP and UNIX domain socket client
 * Mojo::IOLoop::Delay (3pm)- Promises/A+ and flow-control helpers
 * Mojo::IOLoop::Server (3pm)- Non-blocking TCP and UNIX domain socket server
 * Mojo::IOLoop::Stream (3pm)- Non-blocking I/O stream
 * Mojo::IOLoop::Subprocess (3pm)- Subprocesses
 * Mojo::IOLoop::TLS (3pm)- Non-blocking TLS handshake
 * Mojo::Loader (3pm) - Load all kinds of things
 * Mojo::Log (3pm) - Simple logger
 * Mojo::Message (3pm) - HTTP message base class
 * Mojo::Message::Request (3pm)- HTTP request
 * Mojo::Message::Response (3pm)- HTTP response
 * Mojo::Path (3pm) - Path
 * Mojo::Reactor (3pm) - Low-level event reactor base class
 * Mojo::Reactor::EV (3pm)- Low-level event reactor with libev support
 * Mojo::Reactor::Poll (3pm)- Low-level event reactor with poll support
 * Mojo::Server (3pm) - HTTP/WebSocket server base class
 * Mojo::Server::CGI (3pm)- CGI server
 * Mojo::Server::Daemon (3pm)- Non-blocking I/O HTTP and WebSocket server
 * Mojo::Server::FastCGI (3pm)- FastCGI Server
 * Mojo::Server::Hypnotoad (3pm)- A production web serv...ALL GLORY TO THE HYPNOTOAD!
 * Mojo::Server::Morbo (3pm)- Tonight at 11...DOOOOOOOOOOOOOOOM!
 * Mojo::Server::Morbo::Backend (3pm)- Morbo backend base class
 * Mojo::Server::Morbo::Backend::Poll (3pm)- Morbo default backend
 * Mojo::Server::Prefork (3pm)- Pre-forking non-blocking I/O HTTP and WebSocket server
 * Mojo::Server::PSGI (3pm)- PSGI server
 * Mojo::Template (3pm)- Perl-ish templates
 * Mojo::Transaction (3pm)- Transaction base class
 * Mojo::Transaction::HTTP (3pm)- HTTP transaction
 * Mojo::Transaction::WebSocket (3pm)- WebSocket transaction
 * Mojo::URL (3pm) - Uniform Resource Locator
 * Mojo::UserAgent (3pm)- Non-blocking I/O HTTP and WebSocket user agent
 * Mojo::UserAgent::CookieJar (3pm)- Cookie jar for HTTP user agents
 * Mojo::UserAgent::Proxy (3pm)- User agent proxy manager
 * Mojo::UserAgent::Server (3pm)- Application server
 * Mojo::UserAgent::Transactor (3pm)- User agent transactor
 * Mojolicious::Command (3pm)- Command base class
 * Mojolicious::Command::Author::cpanify (3pm)- CPAN-ify command
 * Mojolicious::Command::Author::generate (3pm)- Generator command
 * Mojolicious::Command::Author::generate::app (3pm)- App generator command
 * Mojolicious::Command::Author::generate::lit... (3pm)- Lite app generator command
 * Mojolicious::Command::Author::generate::mak... (3pm)- Makefile generator command
 * Mojolicious::Command::Author::generate::plugin (3pm)- Plugin generator command
 * Mojolicious::Command::Author::inflate (3pm)- Inflate command
 * Mojolicious::Command::cgi (3pm)- CGI command
 * Mojolicious::Command::daemon (3pm)- Daemon command
 * Mojolicious::Command::eval (3pm)- Eval command
 * Mojolicious::Command::fastcgi (3pm)- FastCGI Command
 * Mojolicious::Command::get (3pm)- Get command
 * Mojolicious::Command::prefork (3pm)- Pre-fork command
 * Mojolicious::Command::psgi (3pm)- PSGI command
 * Mojolicious::Command::routes (3pm)- Routes command
 * Mojolicious::Command::version (3pm)- Version command
 * Mojolicious::Commands (3pm)- Command line interface
 * Mojolicious::Controller (3pm)- Controller base class
 * Mojolicious::Guides (3pm)- The Mojolicious Guide to the Galaxy
 * Mojolicious::Guides::Contributing (3pm)- Contributing to Mojolicious
 * Mojolicious::Guides::Cookbook (3pm)- Cooking with Mojolicious
 * Mojolicious::Guides::FAQ (3pm)- Frequently Asked Questions
 * Mojolicious::Guides::Growing (3pm)- Growing Mojolicious applications
 * Mojolicious::Guides::Rendering (3pm)- Rendering content
 * Mojolicious::Guides::Routing (3pm)- Routing requests
 * Mojolicious::Guides::Testing (3pm)- Web Application Testing Made Easy
 * Mojolicious::Guides::Tutorial (3pm)- Get started with Mojolicious
 * Mojolicious::Plugin (3pm)- Plugin base class
 * Mojolicious::Plugin::Config (3pm)- Perl-ish configuration plugin
 * Mojolicious::Plugin::DefaultHelpers (3pm)- Default helpers plugin
 * Mojolicious::Plugin::EPLRenderer (3pm)- Embedded Perl Lite renderer plugin
 * Mojolicious::Plugin::EPRenderer (3pm)- Embedded Perl renderer plugin
 * Mojolicious::Plugin::HeaderCondition (3pm)- Header condition plugin
 * Mojolicious::Plugin::JSONConfig (3pm)- JSON configuration plugin
 * Mojolicious::Plugin::Mount (3pm)- Application mount plugin
 * Mojolicious::Plugin::TagHelpers (3pm)- Tag helpers plugin
 * Mojolicious::Plugins (3pm)- Plugin manager
 * Mojolicious::Renderer (3pm)- Generate dynamic content
 * Mojolicious::Routes (3pm)- Always find your destination with routes
 * Mojolicious::Routes::Match (3pm)- Find routes
 * Mojolicious::Routes::Pattern (3pm)- Route pattern
 * Mojolicious::Sessions (3pm)- Session manager based on signed cookies
 * Mojolicious::Static (3pm)- Serve static files
 * Mojolicious::Validator (3pm)- Validate values
 * Mojolicious::Validator::Validation (3pm)- Perform validations
 * mono - Mono's ECMA-CLI native code generator (Just-in-Time and Ahead-of-T...
 * mono-config - Mono runtime file format configuration
 * montage - create a composite image by combining several separate images. The...
 * montage-im6 - create a composite image by combining several separate images. The...
 * montage-im6.q16 - create a composite image by combining several separate images. The...
 * Moo (3pm) - Minimalist Object Orientation (with Moose compatibility)
 * Moo::Role (3pm) - Minimal Object Orientation support for Roles
 * MooX::Aliases (3pm) - easy aliasing of methods and attributes in Moo
 * morbo (1p) - Morbo HTTP and WebSocket development server
 * more - file perusal filter for crt viewing
 * motd - message of the day
 * mount - mount filesystem
 * mount - mount a filesystem
 * mount.cifs - mount using the Common Internet File System (CIFS)
 * mount.ecryptfs_private - eCryptfs private mount helper.
 * mount.exfat - mount an exFAT file system
 * mount.exfat-fuse - mount an exFAT file system
 * mount.lowntfs-3g - Third Generation Read/Write NTFS Driver
 * mount.ntfs - Third Generation Read/Write NTFS Driver
 * mount.ntfs-3g - Third Generation Read/Write NTFS Driver
 * mount_namespaces - overview of Linux mount namespaces
 * mountpoint - see if a directory or file is a mountpoint
 * mouse - serial mouse interface
 * mousetweaks - Accessibility enhancements for pointing devices
 * move_pages - move individual pages of a process to another node
 * mpartition - partition an MSDOS hard disk
 * mpool - shared memory buffer pool
 * mpris-proxy - Bluetooth mpris-proxy
 * mprobe - heap consistency checking
 * mprotect - set protection on a region of memory
 * mpx - unimplemented system calls
 * mq_close - close a message queue descriptor
 * mq_getattr - get/set message queue attributes
 * mq_getsetattr - get/set message queue attributes
 * mq_notify - register for notification when a message is available
 * mq_notify - register for notification when a message is available
 * mq_open - open a message queue
 * mq_open - open a message queue
 * mq_overview - overview of POSIX message queues
 * mq_receive - receive a message from a message queue
 * mq_send - send a message to a message queue
 * mq_setattr - get/set message queue attributes
 * mq_timedreceive - receive a message from a message queue
 * mq_timedreceive - receive a message from a message queue
 * mq_timedsend - send a message to a message queue
 * mq_timedsend - send a message to a message queue
 * mq_unlink - remove a message queue
 * mq_unlink - remove a message queue
 * mrand48 - generate uniformly distributed pseudo-random numbers
 * mrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * mrd - remove an MSDOS subdirectory
 * mremap - remap a virtual memory address
 * mren - rename an existing MSDOS file
 * mscompress - compress data using LZ77 algorithm
 * msexpand - decompress data compressed using mscompress or COMPRESS.EXE
 * msgattrib - attribute matching and manipulation on message catalog
 * msgcat - combines several message catalogs
 * msgcmp - compare message catalog and template
 * msgcomm - match two message catalogs
 * msgconv - character set conversion for message catalog
 * msgctl - System V message control operations
 * msgen - create English message catalog
 * msgexec - process translations of message catalog
 * msgfilter - edit translations of message catalog
 * msgfmt - compile message catalog to binary format
 * msgget - get a System V message queue identifier
 * msggrep - pattern matching on message catalog
 * msginit - initialize a message catalog
 * msgmerge - merge message catalog and template
 * msgop - System V message queue operations
 * msgrcv - System V message queue operations
 * msgsnd - System V message queue operations
 * msgunfmt - uncompile message catalog from binary format
 * msguniq - unify duplicate translations in message catalog
 * mshortname - shows short name of a file
 * mshowfat - shows FAT clusters allocated to file
 * msr - x86 CPU MSR access device
 * msync - synchronize a file with a memory map
 * mt - control magnetic tape drive operation
 * mt-gnu - control magnetic tape drive operation
 * mtools - utilities to access DOS disks in Unix.
 * mtools - mtools configuration files
 * mtools.conf - mtools configuration files
 * mtools.tmpl - utilities to access DOS disks in Unix.
 * mtoolstest - tests and displays the configuration
 * mtp-albumart - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-albums - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-connect - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-delfile - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-detect - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-emptyfolders - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-files - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-filetree - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-folders - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-format - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-getfile - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-getplaylist - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-hotplug - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-newfolder - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-newplaylist - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-playlists - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-reset - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-sendfile - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-sendtr - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-thumb - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-tools - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-tracks - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-trexist - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtr - a network diagnostic tool
 * mtr-packet - send and receive network probes
 * mtrace - interpret the malloc trace log
 * mtrace - malloc tracing
 * mtvtoppm - convert output from the MTV or PRT ray tracers into a portable pixmap
 * mtype - display contents of an MSDOS file
 * muffin - Clutter based compositing GTK2 Window Manager
 * muffin-window-demo - demo of window features
 * munlock - lock and unlock memory
 * munlockall - lock and unlock memory
 * munmap - map or unmap files or devices into memory
 * muntrace - malloc tracing
 * MusicBrainz::DiscID (3pm)- Perl interface for the MusicBrainz libdiscid library
 * mv - move (rename) files
 * mxtar - Wrapper for using GNU tar directly from a floppy disk
 * myisam_ftdump - display full-text index information
 * mysql - the MySQL command-line client
 * mysql_config_editor - configure authentication information for connecting to MySQL se...
 * mysqladmin - a MySQL server administration program
 * mysqlanalyze - a table maintenance program
 * mysqlcheck - a table maintenance program
 * mysqldump - a database backup program
 * mysqldumpslow - Summarize slow query log files
 * mysqlimport - a data import program
 * mysqlman - default man page for mysql
 * mysqloptimize - a table maintenance program
 * mysqlpump - a database backup program
 * mysqlrepair - a table maintenance program
 * mysqlreport - Makes a friendly report of important MySQL status values
 * mysqlshow - display database, table, and column information
 * mysqlslap - a load emulation client
 * mzip - change protection mode and eject disk on Zip/Jaz drive
 * name_to_handle_at - obtain handle for a pathname and open file via a handle
 * namei - follow a pathname until a terminal point is found
 * nameif - name network interfaces based on MAC addresses
 * namespace.conf - the namespace configuration file
 * namespace::clean (3pm)- Keep imports and functions out of your namespace
 * namespaces - overview of Linux namespaces
 * nan - return 'Not a Number'
 * nanf - return 'Not a Number'
 * nanl - return 'Not a Number'
 * nano - Nano's ANOther editor, inspired by Pico
 * nanorc - GNU nano's configuration file
 * nanosleep - high-resolution sleep
 * tc-nat - stateless native address translation action
 * nawk - pattern scanning and processing language
 * nc - arbitrary TCP and UDP connections and listens
 * nc.openbsd - arbitrary TCP and UDP connections and listens
 * nc_openbsd - arbitrary TCP and UDP connections and listens
 * ncal - displays a calendar and the date of Easter
 * ncdu - NCurses Disk Usage
 * nearbyint - round to nearest integer
 * nearbyintf - round to nearest integer
 * nearbyintl - round to nearest integer
 * neato - filter for drawing undirected graphs
 * nemo - the Cinnamon File Manager
 * nemo-connect-server - To Access a remote server
 * neotoppm - convert an Atari Neochrome .neo into a portable pixmap
 * neqn - format equations for ASCII output
 * net - Tool for administration of Samba and remote CIFS servers.
 * Net::DBus (3pm) - Perl extension for the DBus message system
 * Net::DBus::Annotation (3pm)- annotations for changing behaviour of APIs
 * Net::DBus::ASyncReply (3pm)- asynchronous method reply handler
 * Net::DBus::BaseObject (3pm)- base class for exporting objects to the bus
 * Net::DBus::Binding::Bus (3pm)- Handle to a well-known message bus instance
 * Net::DBus::Binding::Connection (3pm)- A connection between client and server
 * Net::DBus::Binding::Introspector (3pm)- Handler for object introspection data
 * Net::DBus::Binding::Iterator (3pm)- Reading and writing message parameters
 * Net::DBus::Binding::Message (3pm)- Base class for messages
 * Net::DBus::Binding::Message::Error (3pm)- a message encoding a method call error
 * Net::DBus::Binding::Message::MethodCall (3pm)- a message encoding a method call
 * Net::DBus::Binding::Message::MethodReturn (3pm)- a message encoding a method return
 * Net::DBus::Binding::Message::Signal (3pm)- a message encoding a signal
 * Net::DBus::Binding::PendingCall (3pm)- A handler for pending method replies
 * Net::DBus::Binding::Server (3pm)- A server to accept incoming connections
 * Net::DBus::Binding::Value (3pm)- Strongly typed data value
 * Net::DBus::Binding::Watch (3pm)- binding to the dbus watch API
 * Net::DBus::Callback (3pm)- a callback for receiving reactor events
 * Net::DBus::Dumper (3pm)- Stringify Net::DBus objects suitable for printing
 * Net::DBus::Error (3pm)- Error details for remote method invocation
 * Net::DBus::Exporter (3pm)- Export object methods and signals to the bus
 * Net::DBus::Object (3pm)- Implement objects to export to the bus
 * Net::DBus::ProxyObject (3pm)- Implement objects to export to the bus
 * Net::DBus::Reactor (3pm)- application event loop
 * Net::DBus::RemoteObject (3pm)- Access objects provided on the bus
 * Net::DBus::RemoteService (3pm)- Access services provided on the bus
 * Net::DBus::Service (3pm)- Provide a service to the bus for clients to use
 * Net::DBus::Test::MockConnection (3pm)- Fake a connection to the bus unit testing
 * Net::DBus::Test::MockIterator (3pm)- Iterator over a mock message
 * Net::DBus::Test::MockMessage (3pm)- Fake a message object when unit testing
 * Net::DBus::Test::MockObject (3pm)- Fake an object from the bus for unit testing
 * Net::DBus::Tutorial (3pm)- tutorials on the Perl DBus APIs
 * Net::DBus::Tutorial::ExportingObjects (3pm)- tutorials on providing a DBus service
 * Net::DBus::Tutorial::UsingObjects (3pm)- tutorial on accessing a DBus service
 * Net::DNS (3pm) - Perl Interface to the Domain Name System
 * Net::DNS::DomainName (3pm)- DNS name representation
 * Net::DNS::FAQ (3pm) - Frequently Asked Net::DNS Questions
 * Net::DNS::Header (3pm)- DNS packet header
 * Net::DNS::Mailbox (3pm)- DNS mailbox representation
 * Net::DNS::Packet (3pm)- DNS protocol packet
 * Net::DNS::Parameters (3pm)- DNS parameter assignments
 * Net::DNS::Resolver::android (3pm)- Android resolver class
 * Net::DNS::Resolver::Base (3pm)- DNS resolver base class
 * Net::DNS::Resolver::cygwin (3pm)- Cygwin resolver class
 * Net::DNS::Resolver::Recurse (3pm)- DNS recursive resolver
 * Net::DNS::RR (3pm) - DNS resource record base class
 * Net::DNS::RR::CSYNC (3pm)- DNS CSYNC resource record
 * Net::DNS::RR::GPOS (3pm)- DNS GPOS resource record
 * Net::DNS::RR::MG (3pm)- DNS MG resource record
 * Net::DNS::RR::NAPTR (3pm)- DNS NAPTR resource record
 * Net::DNS::RR::OPENPGPKEY (3pm)- DNS OPENPGPKEY resource record
 * Net::DNS::RR::RRSIG (3pm)- DNS RRSIG resource record
 * Net::DNS::RR::SIG (3pm)- DNS SIG resource record
 * Net::DNS::RR::TSIG (3pm)- DNS TSIG resource record
 * Net::DNS::Text (3pm)- DNS text representation
 * Net::DNS::Update (3pm)- DNS dynamic update packet
 * Net::DNS::ZoneFile (3pm)- DNS zone file
 * Net::HTTP (3pm) - Low-level HTTP connection (client)
 * Net::HTTP::NB (3pm) - Non-blocking HTTP client
 * Net::HTTPS (3pm) - Low-level HTTP over SSL/TLS connection (client)
 * Net::IP (3pm) - Perl extension for manipulating IPv4/IPv6 addresses
 * Net::LibIDN (3pm) - Perl bindings for GNU Libidn
 * Net::SSLeay (3pm) - Perl extension for using OpenSSL
 * Net::SSLeay::Handle (3pm)- Perl module that lets SSL (HTTPS) sockets be handled as stand...
 * netcat - arbitrary TCP and UDP connections and listens
 * netdevice - low-level access to Linux network devices
 * nethogs - Net top tool grouping bandwidth per process
 * netkit-ftp - Internet file transfer program
 * netkit-netrc - user configuration for ftp
 * netlink - Netlink macros
 * netlink - communication between kernel and user space (AF_NETLINK)
 * netpbm - package of graphics manipulation programs and libraries
 * netplan - YAML network configuration abstraction for various backends
 * netplan-apply - apply configuration from netplan YAML files to a running system
 * netplan-generate - generate backend configuration from netplan YAML files
 * netplan-try - try a configuration, optionally rolling it back
 * netrc - user configuration for ftp
 * netscsid - write data to optical disk media
 * netstat - Print network connections, routing tables, interface statistics, m...
 * network_namespaces - overview of Linux network namespaces
 * networkctl - Query the status of network links
 * networkd-dispatcher - Dispatcher service for systemd-networkd connection status changes
 * networkd.conf - Global Network configuration files
 * networkd.conf.d - Global Network configuration files
 * NetworkManager - network management daemon
 * NetworkManager.conf - NetworkManager configuration file
 * networks - network name information
 * newaliases - Postfix to Sendmail compatibility interface
 * newfstatat - get file status
 * newgrp - log in to a new group
 * newlocale - create, modify, and free a locale object
 * newsboat - an RSS/Atom feed reader for text terminals
 * newusers - update and create new users in batch
 * nextafter - floating-point number manipulation
 * nextafterf - floating-point number manipulation
 * nextafterl - floating-point number manipulation
 * nextdown - return next floating-point number toward positive/negative infinity
 * nextdownf - return next floating-point number toward positive/negative infinity
 * nextdownl - return next floating-point number toward positive/negative infinity
 * nexttoward - floating-point number manipulation
 * nexttowardf - floating-point number manipulation
 * nexttowardl - floating-point number manipulation
 * nextup - return next floating-point number toward positive/negative infinity
 * nextupf - return next floating-point number toward positive/negative infinity
 * nextupl - return next floating-point number toward positive/negative infinity
 * nfnl_osf - OS fingerprint loader utility
 * nfsservctl - syscall interface to kernel nfs daemon
 * nftw - file tree walk
 * ngettext - translate message and choose plural form
 * ngettext - translate message and choose plural form
 * nice - run a program with modified scheduling priority
 * nice - change process priority
 * nisplus_table - Postfix NIS+ client
 * nl - number lines of files
 * nl_langinfo - query language and locale information
 * nl_langinfo_l - query language and locale information
 * nm - list symbols from object files
 * nm-applet - network monitor and control GUI applet
 * nm-connection-editor - network connection editor for NetworkManager
 * nm-initrd-generator - early boot NetworkManager configuration generator
 * nm-online - ask NetworkManager whether the network is connected
 * nm-settings - Description of settings and properties of NetworkManager connectio...
 * nm-settings-keyfile - Description of keyfile settings plugin
 * nm-system-settings.conf - NetworkManager configuration file
 * nmblookup - NetBIOS over TCP/IP client used to lookup NetBIOS names
 * nmcli - command-line tool for controlling NetworkManager
 * nmcli-examples - usage examples of nmcli
 * nmtui - Text User Interface for controlling NetworkManager
 * nmtui-connect - Text User Interface for controlling NetworkManager
 * nmtui-edit - Text User Interface for controlling NetworkManager
 * nmtui-hostname - Text User Interface for controlling NetworkManager
 * nohup - run a command immune to hangups, with output to a non-tty
 * nologin - prevent unprivileged users from logging into the system
 * nologin - politely refuse a login
 * nop - pretty-print graph file
 * nosetests3 - Nicer testing for Python
 * notifier - cups notification interface
 * notify-send - a program to send desktop notifications
 * nouveau - NVIDIA video driver
 * nproc - print the number of processing units available
 * nptl - Native POSIX Threads Library
 * nrand48 - generate uniformly distributed pseudo-random numbers
 * nrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * nroff - use groff to format documents for TTY devices
 * nsenter - run program with namespaces of other processes
 * nseq (1ssl) - create or examine a Netscape certificate sequence
 * nss - Name Service Switch configuration file
 * nss-myhostname - Provide hostname resolution for the locally configured system host...
 * nss-systemd - Provide UNIX user and group name resolution for user/group lookup ...
 * nsswitch.conf - Name Service Switch configuration file
 * nstat - network statistics tools.
 * nsupdate - Dynamic DNS update utility
 * ntfs-3g - Third Generation Read/Write NTFS Driver
 * ntfs-3g.probe - Probe an NTFS volume mountability
 * ntfscat - print NTFS files and streams on the standard output
 * ntfsclone - Efficiently clone, image, restore or rescue an NTFS
 * ntfscluster - identify files in a specified region of an NTFS volume.
 * ntfscmp - compare two NTFS filesystems and tell the differences
 * ntfscp - copy file to an NTFS volume.
 * ntfsdecrypt - decrypt or update NTFS files encrypted according to EFS
 * ntfsfallocate - preallocate space to a file on an NTFS volume
 * ntfsfix - fix common errors and force Windows to check NTFS
 * ntfsinfo - dump a file's attributes
 * ntfslabel - display/change the label on an ntfs file system
 * ntfsls - list directory contents on an NTFS filesystem
 * ntfsprogs - tools for doing neat things with NTFS
 * ntfsrecover - Recover updates committed by Windows on an NTFS volume
 * ntfsresize - resize an NTFS filesystem without data loss
 * ntfssecaudit - NTFS Security Data Auditing
 * ntfstruncate - truncate a file on an NTFS volume
 * ntfsundelete - recover a deleted file from an NTFS volume.
 * ntfsusermap - NTFS Building a User Mapping File
 * ntfswipe - overwrite unused space on an NTFS volume
 * ntohl - convert values between host and network byte order
 * ntohs - convert values between host and network byte order
 * ntp_adjtime - tune kernel clock
 * ntp_gettime - get time parameters (NTP daemon interface)
 * ntp_gettimex - get time parameters (NTP daemon interface)
 * null - data sink
 * numa - overview of Non-Uniform Memory Architecture
 * numa_maps - overview of Non-Uniform Memory Architecture
 * Number::Compare (3pm)- numeric comparisons
 * numfmt - Convert numbers from/to human-readable strings
 * nvlc - the VLC media player
 * oakdecode - Decode an OAKT printer stream into human readable form.
 * obexctl - A command-line interface of BlueZ for OBEX (file transfer)
 * objcopy - copy and translate object files
 * objdump - display information from object files
 * oclock - round X clock
 * ocsp (1ssl) - Online Certificate Status Protocol utility
 * od - dump files in octal and other formats
 * offsetof - offset of a structure member
 * ogg123 - plays Ogg Vorbis files
 * oggdec - simple decoder, Ogg Vorbis file to PCM audio file (Wave or RAW).
 * oggenc - encode audio into the Ogg Vorbis format
 * ogginfo - gives information about Ogg files, and does extensive validity che...
 * oldfstat - get file status
 * oldlstat - get file status
 * oldolduname - get name and information about current kernel
 * oldstat - get file status
 * olduname - get name and information about current kernel
 * on_ac_power - test whether computer is running on AC power
 * on_exit - register a function to be called at normal process termination
 * onboard-settings - On-screen Keyboard (configuration dialog)
 * oo (3pm) - syntactic sugar for Moo oneliners
 * open - open and possibly create a file
 * open_by_handle_at - obtain handle for a pathname and open file via a handle
 * open_memstream - open a dynamic memory buffer stream
 * open_wmemstream - open a dynamic memory buffer stream
 * openat - open and possibly create a file
 * opendir - open a directory
 * openlog - send messages to the system logger
 * openproc - initialize process information from /proc/
 * openssl (1ssl) - OpenSSL command line tool
 * openssl-asn1parse (1ssl)- ASN.1 parsing tool
 * openssl-c_rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-ca (1ssl) - sample minimal CA application
 * openssl-ciphers (1ssl)- SSL cipher display and cipher list tool
 * openssl-crl2pkcs7 (1ssl)- Create a PKCS#7 structure from a CRL and certificates
 * openssl-dgst (1ssl) - perform digest operations
 * openssl-dhparam (1ssl)- DH parameter manipulation and generation
 * openssl-dsa (1ssl) - DSA key processing
 * openssl-dsaparam (1ssl)- DSA parameter manipulation and generation
 * openssl-ec (1ssl) - EC key processing
 * openssl-ecparam (1ssl)- EC parameter manipulation and generation
 * openssl-engine (1ssl)- load and query engines
 * openssl-gendsa (1ssl)- generate a DSA private key from a set of parameters
 * openssl-genpkey (1ssl)- generate a private key
 * openssl-genrsa (1ssl)- generate an RSA private key
 * openssl-list (1ssl) - list algorithms and features
 * openssl-nseq (1ssl) - create or examine a Netscape certificate sequence
 * openssl-ocsp (1ssl) - Online Certificate Status Protocol utility
 * openssl-passwd (1ssl)- compute password hashes
 * openssl-pkcs12 (1ssl)- PKCS#12 file utility
 * openssl-pkcs7 (1ssl)- PKCS#7 utility
 * openssl-pkcs8 (1ssl)- PKCS#8 format private key conversion tool
 * openssl-pkey (1ssl) - public or private key processing tool
 * openssl-pkeyparam (1ssl)- public key algorithm parameter processing tool
 * openssl-pkeyutl (1ssl)- public key algorithm utility
 * openssl-rand (1ssl) - generate pseudo-random bytes
 * openssl-rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-req (1ssl) - PKCS#10 certificate request and certificate generating utility
 * openssl-rsa (1ssl) - RSA key processing tool
 * openssl-s_client (1ssl)- SSL/TLS client program
 * openssl-s_server (1ssl)- SSL/TLS server program
 * openssl-s_time (1ssl)- SSL/TLS performance timing program
 * openssl-sess_id (1ssl)- SSL/TLS session handling utility
 * openssl-speed (1ssl)- test library performance
 * openssl-spkac (1ssl)- SPKAC printing and generating utility
 * openssl-srp (1ssl) - maintain SRP password file
 * openssl-ts (1ssl) - Time Stamping Authority tool (client/server)
 * openssl-tsget (1ssl)- Time Stamping HTTP/HTTPS client
 * openssl-verify (1ssl)- Utility to verify certificates
 * openssl-version (1ssl)- print OpenSSL version information
 * openssl-x509 (1ssl) - Certificate display and signing utility
 * openvpn - secure IP tunnel daemon.
 * openvt - start a program on a new virtual terminal (VT).
 * operator - C operator precedence and order of evaluation
 * opldecode - Decode a Raster Object (opl) stream into human readable form.
 * optarg - Parse command-line options
 * opterr - Parse command-line options
 * optind - Parse command-line options
 * optopt - Parse command-line options
 * oqmgr (8postfix) - old Postfix queue manager
 * orca - a scriptable screen reader
 * ordchr (3am) - convert characters to strings and vice versa
 * org.debian.apt - the main interface of aptdaemon
 * org.debian.apt.transaction - the main interface of an aptdaemon transaction
 * os-release - Operating system identification
 * osage - filter for drawing clustered graphs
 * ossl_store-file (7ssl)- The store 'file' scheme loader
 * ownership - Compaq ownership tag retriever
 * p11-kit - Tool for operating on configured PKCS#11 modules
 * p7zip - Wrapper on 7-Zip file archiver with high compression ratio
 * pacat - Play back or record raw or encoded audio streams on a PulseAudio s...
 * pack200 - Packages a JAR file into a compressed pack200 file for web deploym...
 * Package::Stash (3pm)- routines for manipulating stashes
 * Package::Stash::PP (3pm)- pure perl implementation of the Package::Stash API
 * packet - packet interface on device level
 * pacmd - Reconfigure a PulseAudio sound server during runtime
 * pactl - Control a running PulseAudio sound server
 * padsp - PulseAudio OSS Wrapper
 * pager - opposite of more
 * palmtopnm - convert a Palm pixmap into a portable anymap
 * pam - portable arbitrary map file format
 * pam - Pluggable Authentication Modules for Linux
 * pam-auth-update - manage PAM configuration using packaged profiles
 * pam.conf - PAM configuration files
 * pam.d - PAM configuration files
 * pam_access - PAM module for logdaemon style login access control
 * pam_cifscreds - PAM module to manage NTLM credentials in kernel keyring
 * pam_debug - PAM module to debug the PAM stack
 * pam_deny - The locking-out PAM module
 * pam_echo - PAM module for printing text messages
 * pam_env - PAM module to set/unset environment variables
 * pam_exec - PAM module which calls an external command
 * pam_extrausers - Module for libnss-extrausers authentication
 * pam_faildelay - Change the delay on failure per-application
 * pam_filter - PAM filter module
 * pam_ftp - PAM module for anonymous access module
 * pam_getenv - get environment variables from /etc/environment
 * pam_group - PAM module for group access
 * pam_issue - PAM module to add issue file to user prompt
 * pam_keyinit - Kernel session keyring initialiser module
 * pam_lastlog - PAM module to display date of last login and perform inactive acco...
 * pam_listfile - deny or allow services based on an arbitrary file
 * pam_localuser - require users to be listed in /etc/passwd
 * pam_loginuid - Record user's login uid to the process attribute
 * pam_mail - Inform about available mail
 * pam_mkhomedir - PAM module to create users home directory
 * pam_motd - Display the motd file
 * pam_namespace - PAM module for configuring namespace for a session
 * pam_nologin - Prevent non-root users from login
 * pam_permit - The promiscuous module
 * pam_pwhistory - PAM module to remember last passwords
 * pam_rootok - Gain only root access
 * pam_securetty - Limit root login to special devices
 * pam_selinux - PAM module to set the default security context
 * pam_sepermit - PAM module to allow/deny login depending on SELinux enforcement state
 * pam_shells - PAM module to check for valid login shell
 * pam_succeed_if - test account characteristics
 * pam_systemd - Register user sessions in the systemd login manager
 * pam_tally - The login counter (tallying) module
 * pam_tally2 - The login counter (tallying) module
 * pam_time - PAM module for time control access
 * pam_timestamp - Authenticate using cached successful authentication attempts
 * pam_timestamp_check - Check to see if the default timestamp is valid
 * pam_tty_audit - Enable or disable TTY auditing for specified users
 * pam_umask - PAM module to set the file mode creation mask
 * pam_unix - Module for traditional password authentication
 * pam_userdb - PAM module to authenticate against a db database
 * pam_warn - PAM module which logs all PAM items if called
 * pam_wheel - Only permit root access to members of group wheel
 * pam_xauth - PAM module to forward xauth keys between users
 * pamcut - cut a rectangle out of a PAM, PBM, PGM, or PPM image
 * pamdeinterlace - remove ever other row from a PAM/PNM image
 * pamdice - slice a Netpbm image into many horizontally and/or vertically
 * pamfile - describe a Netpbm (PAM or PNM) file
 * pamoil - turn a PAM image into an oil painting
 * pamon - Play back or record raw or encoded audio streams on a PulseAudio s...
 * pamstack - stack planes of multiple PAM images into one PAM image
 * pamstretch - scale up a PNM or PAM image by interpolating between pixels
 * pamstretch-gen - use pamstretch and pnmscale to scale by non-integer values
 * Pango (3pm) - layout and render international text
 * Pango::AttrBackground (3pm)- Pango background color attribute
 * Pango::AttrColor (3pm)- Pango color attribute
 * Pango::AttrFallback (3pm)- Pango fallback attribute
 * Pango::AttrFamily (3pm)- Pango attribute family
 * Pango::AttrFontDesc (3pm)- Pango description of a font
 * Pango::AttrForeground (3pm)- Pango foreground attribute
 * Pango::AttrGravity (3pm)- Pango gravity attribute
 * Pango::AttrGravityHint (3pm)- Pango gravity hint attribute
 * Pango::Attribute (3pm)- Pango base class for attributes
 * Pango::AttrInt (3pm)- structure used to represent attributes with an integer value
 * Pango::AttrIterator (3pm)- used to represent iterators through Pango::AttrLists
 * Pango::AttrLanguage (3pm)- used to represent attributes that are languages
 * Pango::AttrLetterSpacing (3pm)- Pango letter spacing attribute
 * Pango::AttrList (3pm)- holds attributes that apply to a section of text
 * Pango::AttrRise (3pm)- Pango baseline displacement attribute
 * Pango::AttrScale (3pm)- Pango font size scale attribute
 * Pango::AttrShape (3pm)- Pango shape attribute
 * Pango::AttrSize (3pm)- Pango font-size attribute
 * Pango::AttrStretch (3pm)- Pango font stretch attribute
 * Pango::AttrStrikethrough (3pm)- Pango strike-through attribute
 * Pango::AttrStrikethroughColor (3pm)- Pango color strikethrough color attribute
 * Pango::AttrString (3pm)- used to represent attributes with a string value
 * Pango::AttrStyle (3pm)- Pango font slant style attribute
 * Pango::AttrUnderline (3pm)- Pango underline style attribute
 * Pango::AttrUnderlineColor (3pm)- Pango underline color attribute
 * Pango::AttrVariant (3pm)- Pango font variant attribute
 * Pango::AttrWeight (3pm)- Pango font weight attribute
 * Pango::Cairo (3pm) - Pango rendering with the Cairo backend
 * Pango::Cairo::Context (3pm)- Using Cairo contexts with pango
 * Pango::Cairo::Font (3pm)- Pango using cairo fonts for rendering
 * Pango::Cairo::FontMap (3pm)- Pango font maps with Cairo
 * Pango::Color (3pm) - an object to represent a color for Pango
 * Pango::Context (3pm)- Pango object that stores global information used to control the it...
 * Pango::Font (3pm) - a rendering-system independent font representation
 * Pango::FontDescription (3pm)- Pango object to represent a description of a font
 * Pango::FontFace (3pm)- object for Pango representing a group of fonts varying only in size
 * Pango::FontFamily (3pm)- Pango object representing a family of related font faces
 * Pango::FontMap (3pm)- an object that represents the set of fonts available for a particu...
 * Pango::FontMetrics (3pm)- object for Pango containing overall metric information for a font
 * Pango::Fontset (3pm)- object containing a set of Pango::Font objects
 * Pango::Gravity (3pm)- represents the orientation of glyphs in a segment of text
 * Pango::index (3pm) - API Reference Pod Index
 * Pango::Language (3pm)- an object that represents a language tag
 * Pango::Layout (3pm) - an object representing a paragraph of text with attributes
 * Pango::LayoutIter (3pm)- an object used to iterate over the visual extents of a Pango::L...
 * Pango::LayoutLine (3pm)- a line in a Pango::Layout
 * Pango::Matrix (3pm) - A structure specifying a transformation between user-space coordin...
 * Pango::Renderer (3pm)- a base class for pango rendering
 * Pango::Script (3pm) - identifies different writing systems
 * Pango::ScriptIter (3pm)- used to break a string of Unicode into runs by text
 * Pango::TabArray (3pm)- an object containing an array of tab stops
 * Pango::version (3pm)- get and check the version of Pango that this was compiled against
 * paperconf - print paper configuration information
 * paperconfig - configure the system default paper size
 * papersize - specify preferred paper size
 * paplay - Play back or record raw or encoded audio streams on a PulseAudio s...
 * par - filter for reformatting paragraphs
 * parallel - run programs in parallel
 * Params::Classify (3pm)- argument type classification
 * parec - Play back or record raw or encoded audio streams on a PulseAudio s...
 * parecord - Play back or record raw or encoded audio streams on a PulseAudio s...
 * parted - a partition manipulation program
 * partprobe - inform the OS of partition table changes
 * partx - tell the kernel about the presence and numbering of on-disk partit...
 * passphrase-encoding (7ssl)- How diverse parts of OpenSSL treat pass phrases character en...
 * passwd - change user password
 * passwd (1ssl) - compute password hashes
 * passwd - the password file
 * passwd2des - RFS password encryption
 * paste - merge lines of files
 * pasuspender - Temporarily suspend PulseAudio
 * patch - apply a diff file to an original
 * patchwork - filter for drawing clustered graphs as treemaps
 * Path::Tiny (3pm) - File path utility
 * path_resolution - how a pathname is resolved to a file
 * pathchk - check whether file names are valid or portable
 * pathconf - get configuration values for files
 * pause - wait for signal
 * pax11publish - PulseAudio X11 Credential Utility
 * pbm - portable bitmap file format
 * pbmclean - flip isolated pixels in portable bitmap
 * pbmfilters - list of all programs in the netpbm package
 * pbmmake - create a blank bitmap of a specified size
 * pbmmask - create a mask bitmap from a regular bitmap
 * pbmpage - create a one page test pattern for printing
 * pbmpscale - enlarge a portable bitmap with edge smoothing
 * pbmreduce - read a portable bitmap and reduce it N times
 * pbmtext - render text into a bitmap
 * pbmtextps - render text into a bitmap via postscript
 * pbmto10x - convert a portable bitmap into Gemini 10X printer graphics
 * pbmtoascii - convert a portable bitmap into ASCII graphics
 * pbmtoatk - convert portable bitmap to Andrew Toolkit raster object
 * pbmtobbnbg - convert a portable bitmap into BitGraph graphics
 * pbmtocmuwm - convert a portable bitmap into a CMU window manager bitmap
 * pbmtoepsi - convert a portable bitmap into an encapsulated PostScript style pr...
 * pbmtoepson - convert a portable bitmap into Epson printer graphics
 * pbmtog3 - convert a portable bitmap into a Group 3 fax file
 * pbmtogem - convert a portable bitmap into a GEM .img file
 * pbmtogo - convert a portable bitmap into compressed GraphOn graphics
 * pbmtoicon - convert a portable bitmap into a Sun icon
 * pbmtolj - convert a portable bitmap into HP LaserJet format
 * pbmtomacp - convert a portable bitmap into a MacPaint file
 * pbmtomda - convert a portable bitmap to a Microdesign .mda
 * pbmtomgr - convert a portable bitmap into a MGR bitmap
 * pbmtonokia - convert a portable bitmap to Nokia Smart Messaging Formats
 * pbmtopgm - convert portable bitmap to portable graymap by averaging areas
 * pbmtopi3 - convert a portable bitmap into an Atari Degas .pi3 file
 * pbmtoplot - convert a portable bitmap into a Unix plot file
 * pbmtoppa - convert PBM image to HP Printer Performance Architecture (PPA)
 * pbmtopsg3 - convert PBM images to Postscript with G3 fax compression
 * pbmtoptx - convert a portable bitmap into Printronix printer graphics
 * pbmtowbmp - convert a portable bitmap to a wireless bitmap (wbmp) file
 * pbmtox10bm - convert a portable bitmap into an X10 bitmap
 * pbmtoxbm - convert a portable bitmap into an X11 bitmap
 * pbmtoybm - convert a portable bitmap into a Bennet Yee "face" file
 * pbmtozinc - convert a portable bitmap into a Zinc bitmap
 * pbmupc - create a Universal Product Code bitmap
 * pcap-filter - packet filter syntax
 * pccardctl - PCMCIA card control utility
 * pciconfig_iobase - pci device information handling
 * pciconfig_read - pci device information handling
 * pciconfig_write - pci device information handling
 * pcilib - a library for accessing PCI devices
 * pclose - pipe stream to or from a process
 * pcrepattern - Perl-compatible regular expressions
 * pcxtoppm - convert a PCX file into a portable pixmap
 * pdb2 - the Python debugger
 * pdb2.7 - the Python debugger
 * pdb3 - the Python debugger
 * pdb3.8 - the Python debugger
 * pdf2dsc - generate a PostScript page list of a PDF document
 * pdf2ps - Ghostscript PDF to PostScript translator
 * pdfattach - Portable Document Format (PDF) document embedded file creator (ver...
 * pdfdetach - Portable Document Format (PDF) document embedded file extractor (v...
 * pdffonts - Portable Document Format (PDF) font analyzer (version 3.03)
 * pdfimages - Portable Document Format (PDF) image extractor (version 3.03)
 * pdfinfo - Portable Document Format (PDF) document information extractor (ver...
 * pdfseparate - Portable Document Format (PDF) page extractor
 * pdfsig - Portable Document Format (PDF) digital signatures tool
 * pdftocairo - Portable Document Format (PDF) to PNG/JPEG/TIFF/PDF/PS/EPS/SVG usi...
 * pdftohtml - program to convert PDF files into HTML, XML and PNG images
 * pdftoppm - Portable Document Format (PDF) to Portable Pixmap (PPM) converter ...
 * pdftops - Portable Document Format (PDF) to PostScript converter (version 3.03)
 * pdftotext - Portable Document Format (PDF) to text converter (version 3.03)
 * pdfunite - Portable Document Format (PDF) page merger
 * tc-pedit - generic packet editor action
 * pee - tee standard input to pipes
 * peekfd - peek at file descriptors of running processes
 * perf_event_open - set up performance monitoring
 * perfmonctl - interface to IA-64 performance monitoring unit
 * perl - The Perl 5 language interpreter
 * perl5.30-i386-linux-gnu - The Perl 5 language interpreter
 * perl5.30-x86_64-linux-gnu - The Perl 5 language interpreter
 * perl5.30.0 - The Perl 5 language interpreter
 * perlbug - how to submit bug reports on Perl
 * PerlIO::gzip (3pm) - Perl extension to provide a PerlIO layer to gzip/gunzip
 * perlivp - Perl Installation Verification Procedure
 * perlsh (1p) - one-line perl evaluator with line editing function and variable na...
 * perlthanks - how to submit bug reports on Perl
 * perror - print a system error message
 * persistent-keyring - per-user persistent keyring
 * personality - set the process execution domain
 * pf2afm - Make an AFM file from Postscript (PFB/PFA/PFM) font files using gh...
 * pfbtopfa - Convert Postscript .pfb fonts to .pfa format using ghostscript
 * pftp - Internet file transfer program
 * pgm - portable graymap file format
 * pgmbentley - Bentleyize a portable graymap
 * pgmcrater - create cratered terrain by fractal forgery
 * pgmedge - edge-detect a portable graymap
 * pgmenhance - edge-enhance a portable graymap
 * pgmhist - print a histogram of the values in a portable graymap
 * pgmkernel - generate a convolution kernel
 * pgmnoise - create a graymap made up of white noise
 * pgmnorm - normalize the contrast in a Netbpm image
 * pgmoil - turn a PAM image into an oil painting
 * pgmramp - generate a grayscale ramp
 * pgmslice - extract one line of pixel values out of a portable graymap
 * pgmtexture - calculate textural features on a portable graymap
 * pgmtofs - convert portable graymap to Usenix FaceSaver(tm) format
 * pgmtolispm - convert a portable graymap into Lisp Machine format
 * pgmtopbm - convert a portable graymap into a portable bitmap
 * pgmtoppm - colorize a portable graymap into a portable pixmap
 * pgrep - look up or signal processes based on name and other attributes
 * phar - PHAR (PHP archive) command line tool
 * phar.phar - PHAR (PHP archive) command line tool
 * phar.phar7.4 - PHAR (PHP archive) command line tool
 * phar7.4 - PHAR (PHP archive) command line tool
 * php - PHP Command Line Interface 'CLI'
 * php7.4 - PHP Command Line Interface 'CLI'
 * phys - unimplemented system calls
 * pi - compute decimal Archimedes' constant Pi to arbitrary accuracy.
 * pi1toppm - convert an Atari Degas .pi1 into a portable pixmap
 * pi3topbm - convert an Atari Degas .pi3 file into a portable bitmap
 * pico - Nano's ANOther editor, inspired by Pico
 * piconv -- iconv, reinvented in perl
 * pid_namespaces - overview of Linux PID namespaces
 * pidfd_open - obtain a file descriptor that refers to a process
 * pidfd_send_signal - send a signal to a process specified by a file descriptor
 * pidof - find the process ID of a running program.
 * pinentry - PIN or pass-phrase entry dialog for GnuPG
 * pinentry-curses - PIN or pass-phrase entry dialog for GnuPG
 * pinentry-gnome3 - PIN or pass-phrase entry dialog for GnuPG
 * pinentry-x11 - PIN or pass-phrase entry dialog for GnuPG
 * ping - send ICMP ECHO_REQUEST to network hosts
 * ping4 - send ICMP ECHO_REQUEST to network hosts
 * ping6 - send ICMP ECHO_REQUEST to network hosts
 * pinky - lightweight finger
 * pinta - simple image editor
 * pip3 - A tool for installing and managing Python packages
 * pipe - create pipe
 * pipe - overview of pipes and FIFOs
 * pipe (8postfix) - Postfix delivery to external command
 * pipe2 - create pipe
 * pivot_root - change the root mount
 * pivot_root - change the root filesystem
 * pix - an image viewer and browser
 * pjtoppm - convert an HP PaintJet file to a portable pixmap
 * pkaction - Get details about a registered action
 * pkcheck - Check whether a process is authorized
 * pkcon - PackageKit console client
 * pkcs11-helper-1 - Simplified PKCS#11 library.
 * pkcs11.conf - Configuration files for PKCS#11 modules
 * pkcs12 (1ssl) - PKCS#12 file utility
 * pkcs7 (1ssl) - PKCS#7 utility
 * pkcs8 (1ssl) - PKCS#8 format private key conversion tool
 * pkexec - Execute a command as another user
 * pkey (1ssl) - public or private key processing tool
 * pkey_alloc - allocate or free a protection key
 * pkey_free - allocate or free a protection key
 * pkey_mprotect - set protection on a region of memory
 * pkeyparam (1ssl) - public key algorithm parameter processing tool
 * pkeyutl (1ssl) - public key algorithm utility
 * pkg-config - Return metainformation about installed libraries
 * pkill - look up or signal processes based on name and other attributes
 * pkmon - PackageKit console client
 * pkttyagent - Textual authentication helper
 * pl2pm - Rough tool to translate Perl4 .pl files to Perl5 .pm modules.
 * pldd - display dynamic shared objects linked into a process
 * plipconfig - fine tune PLIP device parameters
 * plog - starts up, shuts down or lists the log of PPP connections
 * plymouth - Send commands to plymouthd
 * plymouth - A graphical boot system and logger
 * plymouthd - The plymouth daemon
 * pm-action - Suspend or Hibernate your computer
 * pm-hibernate - Suspend or Hibernate your computer
 * pm-is-supported - Test whether suspend or hibernate is supported.
 * pm-suspend - Suspend or Hibernate your computer
 * pm-suspend-hybrid - Suspend or Hibernate your computer
 * pmap - report memory map of a process
 * pmap_getmaps - library routines for remote procedure calls
 * pmap_getport - library routines for remote procedure calls
 * pmap_rmtcall - library routines for remote procedure calls
 * pmap_set - library routines for remote procedure calls
 * pmap_unset - library routines for remote procedure calls
 * pngtopnm - convert a Portable Network Graphics file into portable anymap
 * pnm - portable anymap file format
 * pnm2ppa - convert portable anymap (PNM) images to HP's PPA printer format.
 * pnmalias - antialias a portable anyumap.
 * pnmarith - perform arithmetic on two portable anymaps
 * pnmcat - concatenate portable anymaps
 * pnmcolormap - create quantization color map for a portable anymap
 * pnmcomp - composite (overlay) two portable anymap files together
 * pnmconvol - general MxN convolution on a portable anymap
 * pnmcrop - crop a portable anymap
 * pnmcut - cut a rectangle out of a portable anymap
 * pnmdepth - change the maxval in a portable anymap
 * pnmenlarge - read a portable anymap and enlarge it N times
 * pnmfile - describe a portable anymap
 * pnmflip - perform one or more flip operations on a portable anymap
 * pnmgamma - perform gamma correction on a portable anymap
 * pnmhisteq - histogram equalise a portable anymap
 * pnmhistmap - draw a histogram for a PGM or PPM file
 * pnmindex - build a visual index of a bunch of anymaps
 * pnminterp - scale up a PNM or PAM image by interpolating between pixels
 * pnminterp-gen - use pamstretch and pnmscale to scale by non-integer values
 * pnminvert - invert a portable anymap
 * pnmmargin - add a border to a portable anymap
 * pnmmontage - create a montage of portable anymaps
 * pnmnlfilt - non-linear filters: smooth, alpha trim mean, optimal estimation sm...
 * pnmnoraw - convert portable any map to plain (ASCII) anymap format
 * pnmnorm - normalize the contrast in a Netbpm image
 * pnmpad - add borders to portable anymap
 * pnmpaste - paste a rectangle into a portable anymap
 * pnmpsnr - compute the difference between two portable anymaps
 * pnmquant - quantize the colors in a Netpbm image to a smaller set
 * pnmremap - replace colors in a PPM image with colors from another set
 * pnmrotate - rotate a portable anymap by some angle
 * pnmscale - scale a portable anymap
 * pnmscalefixed - scale a portable anymap quickly, but less accurate
 * pnmshear - shear a portable anymap by some angle
 * pnmsmooth - smooth out an image
 * pnmsplit - split a multi-image portable anymap into multiple single-image files
 * pnmtile - replicate a portable anymap into a specified size
 * pnmtoddif - Convert a portable anymap to DDIF format
 * pnmtofiasco - Convert a portable anymap to FIASCO compressed file
 * pnmtofits - convert a portable anymap into FITS format
 * pnmtojpeg - convert PNM image to a JFIF ("JPEG") image
 * pnmtopalm - convert a portable anymap into a Palm pixmap
 * pnmtoplainpnm - convert portable any map to plain (ASCII) anymap format
 * pnmtopng - convert a portable anymap into a Portable Network Graphics file
 * pnmtops - convert portable anymap to PostScript
 * pnmtorast - convert a portable pixmap into a Sun rasterfile
 * pnmtorle - convert a Netpbm image file into an RLE image file.
 * pnmtosgi - convert a portable anymap to a SGI image file
 * pnmtosir - convert a portable anymap into a Solitaire format
 * pnmtotiff - convert a portable anymap into a TIFF file
 * pnmtotiffcmyk - convert a portable anymap into a CMYK encoded TIFF file
 * pnmtoxwd - convert a portable anymap into an X11 window dump
 * po-debconf - introduction
 * po2debconf - merge master templates file and PO files
 * pod2html - convert .pod files to .html files
 * pod2man - Convert POD data to formatted *roff input
 * pod2text - Convert POD data to formatted ASCII text
 * pod2usage - print usage messages from embedded pod docs in files
 * podboat - a podcast download manager for text terminals
 * podchecker - check the syntax of POD format documentation files
 * podebconf-display-po - display content of a PO file in a debconf interface
 * podebconf-report-po - send outdated debconf PO files to the last translators
 * podselect - print selected sections of pod documentation on standard output
 * poff - starts up, shuts down or lists the log of PPP connections
 * polkit - Authorization Framework
 * polkitd - PolicyKit daemon
 * poll - wait for some event on a file descriptor
 * pon - starts up, shuts down or lists the log of PPP connections
 * popen - pipe stream to or from a process
 * port - system memory, kernel memory and system ports
 * posix_fadvise - predeclare an access pattern for file data
 * posix_fallocate - allocate file space
 * posix_madvise - give advice about patterns of memory usage
 * posix_memalign - allocate aligned memory
 * posix_spawn - spawn a process
 * posix_spawnp - spawn a process
 * posixoptions - optional parts of the POSIX standard
 * POST (1p) - Simple command line user agent
 * postalias - Postfix alias database maintenance
 * postcat - show Postfix queue file contents
 * postconf - Postfix configuration utility
 * postconf - Postfix configuration parameters
 * postdrop - Postfix mail posting utility
 * postfix - Postfix control program
 * postfix-add-filter - add filter service to Postfix master.cf
 * postfix-tls - Postfix TLS management
 * postfix-wrapper - Postfix multi-instance API
 * postlock - lock mail folder and execute command
 * postlog - Postfix-compatible logging utility
 * postlogd (8postfix) - Postfix internal log server
 * postmap - Postfix lookup table management
 * postmulti - Postfix multi-instance manager
 * postsuper - Postfix superintendent
 * posttls-finger - Probe the TLS properties of an ESMTP or LMTP server.
 * pow10 - base-10 power functions
 * pow10f - base-10 power functions
 * pow10l - base-10 power functions
 * ppdc - cups ppd compiler (deprecated)
 * ppdcfile - cups ppd compiler source file format (deprecated)
 * ppdhtml - cups html summary generator (deprecated)
 * ppdi - import ppd files (deprecated)
 * ppdmerge - merge ppd files (deprecated)
 * ppdpo - ppd message catalog generator (deprecated)
 * ppm - portable pixmap file format
 * ppm3d - convert two portable pixmap into a red/blue 3d glasses pixmap
 * ppmbrighten - change an images Saturation and Value from an HSV map
 * ppmchange - change all pixels of one color to another in a portable pixmap
 * ppmcie - draw a CIE color chart as a PPM image
 * ppmcolormask - produce mask of areas of a certain color in a PPM file
 * ppmcolors - generate a color map of all colors of a certain maxval
 * ppmdim - dim a portable pixmap down to total blackness
 * ppmdist - simplistic grayscale assignment for machine generated, color images
 * ppmdither - ordered dither for color images
 * ppmfade - generate a transition between two image files using special effects.
 * ppmflash - brighten a picture up to complete white-out
 * ppmforge - fractal forgeries of clouds, planets, and starry skies
 * ppmhist - print a histogram of a portable pixmap
 * ppmlabel - add text to a portable pixmap
 * ppmmake - create a pixmap of a specified size and color
 * ppmmix - blend together two portable pixmaps
 * ppmnorm - normalize the contrast in a Netbpm image
 * ppmntsc - make a portable pixmap look like taken from an American TV
 * ppmpat - make a pretty pixmap
 * ppmquant - quantize the colors in a portable pixmap down to a specified number
 * ppmquantall - run ppmquant on a bunch of files all at once, so they share a comm...
 * ppmqvga - 8 plane quantization
 * ppmrainbow - Generate a rainbow
 * ppmrelief - run a Laplacian relief filter on a portable pixmap
 * ppmshadow - add simulated shadows to a portable pixmap image
 * ppmshift - shift lines of a portable pixmap left or right by a random amount
 * ppmspread - displace a portable pixmap's pixels by a random amount
 * ppmtoacad - convert portable pixmap to AutoCAD database or slide
 * ppmtobmp - convert a portable pixmap into a BMP file
 * ppmtoeyuv - convert a portable pixmap into a Berkeley YUV file
 * ppmtogif - convert a portable pixmap into a GIF file
 * ppmtoicr - convert a portable pixmap into NCSA ICR format
 * ppmtoilbm - convert a portable pixmap into an ILBM file
 * ppmtojpeg - convert PNM image to a JFIF ("JPEG") image
 * ppmtoleaf - convert portable pixmap to Interleaf image format
 * ppmtolj - convert a portable pixmap to an HP LaserJet PCL 5 Color file
 * ppmtolss16 - Convert a PPM to an LSS16 image
 * ppmtomap - extract all colors from a portable pixmap
 * ppmtomitsu - convert a portable pixmap to a Mitsubishi S340-10 file
 * ppmtompeg - encodes MPEG-1 bitstreams
 * ppmtoneo - convert a portable pixmap into an Atari Neochrome .neo file
 * ppmtopcx - convert a portable pixmap into a PCX file
 * ppmtopgm - convert a portable pixmap into a portable graymap
 * ppmtopi1 - convert a portable pixmap into an Atari Degas .pi1 file
 * ppmtopict - convert a portable pixmap into a Macintosh PICT file
 * ppmtopj - convert a portable pixmap to an HP PaintJet file
 * ppmtopuzz - convert a portable pixmap into an X11 "puzzle" file
 * ppmtorgb3 - separate a portable pixmap into three portable graymaps
 * ppmtosixel - convert a portable pixmap into DEC sixel format
 * ppmtotga - convert portable pixmap into a TrueVision Targa file
 * ppmtouil - convert a portable pixmap into a Motif UIL icon file
 * ppmtowinicon - convert 1 or more portable pixmaps into a Windows .ico file
 * ppmtoxpm - convert a portable pixmap into an X11 pixmap
 * ppmtoyuv - convert a portable pixmap into an Abekas YUV file
 * ppmtoyuvsplit - convert a portable pixmap into 3 subsampled raw YUV files
 * ppmtv - make a portable pixmap look like taken from an American TV
 * ppoll - wait for some event on a file descriptor
 * pppconfig - configure pppd to connect to the Internet
 * pppd - Point-to-Point Protocol Daemon
 * pppd-radattr - RADIUS utility plugin for pppd
 * pppd-radius - RADIUS authentication plugin for pppd
 * pppdump - convert PPP record file to readable format
 * pppoe-discovery - perform PPPoE discovery
 * pppoeconf - configures a PPPoE (ADSL) connection
 * pppstats - print PPP statistics
 * pptpsetup - Point-to-Point Tunneling Protocol setup
 * pr - convert text files for printing
 * prctl - operations on a process
 * pread - read from or write to a file descriptor at a given offset
 * pread64 - read from or write to a file descriptor at a given offset
 * preadv - read or write data into multiple buffers
 * preadv2 - read or write data into multiple buffers
 * precat - prefix delta compressor for Aspell
 * precedence - C operator precedence and order of evaluation
 * preconv - convert encoding of input files to something GNU troff understands
 * prename (1p) - renames multiple files
 * preunzip - prefix delta compressor for Aspell
 * prezip - prefix delta compressor for Aspell
 * prezip-bin - prefix zip delta word list compressor/decompressor
 * print - execute programs via entries in the mailcap file
 * printafm - Print the metrics from a Postscript font in AFM format using ghost...
 * printenv - print all or part of environment
 * printer-profile - Profile using X-Rite ColorMunki and Argyll CMS
 * printerbanner - print large banner on printer
 * printers.conf - printer configuration file for cups
 * printf - format and print data
 * printf - formatted output conversion
 * prlimit - get and set process resource limits
 * prlimit - get/set resource limits
 * prlimit64 - get/set resource limits
 * proc - process information pseudo-filesystem
 * process-keyring - per-process shared keyring
 * process_vm_readv - transfer data between process address spaces
 * process_vm_writev - transfer data between process address spaces
 * procfs - process information pseudo-filesystem
 * procps - report a snapshot of the current processes.
 * prof - unimplemented system calls
 * profil - execution time profile
 * program_invocation_name - obtain name used to invoke calling program
 * program_invocation_short_name - obtain name used to invoke calling program
 * projects - persistent project root definition
 * projid - the project name mapping file
 * protocols - protocols definition file
 * prove - Run tests through a TAP harness.
 * proxy - Display the proxy server that should be used to reach a given a ne...
 * proxy-certificates (7ssl)- Proxy certificates in OpenSSL
 * prtstat - print statistics of a process
 * prune - Prune directed graphs
 * ps - report a snapshot of the current processes.
 * ps2ascii - Ghostscript translator from PostScript or PDF to ASCII
 * ps2epsi - generate conforming Encapsulated PostScript
 * ps2pdf - Convert PostScript to PDF using ghostscript
 * ps2pdf12 - Convert PostScript to PDF 1.2 (Acrobat 3-and-later compatible) usi...
 * ps2pdf13 - Convert PostScript to PDF 1.3 (Acrobat 4-and-later compatible) usi...
 * ps2pdf14 - Convert PostScript to PDF 1.4 (Acrobat 5-and-later compatible) usi...
 * ps2pdfwr - Convert PostScript to PDF without specifying CompatibilityLevel, u...
 * ps2ps - Ghostscript PostScript "distiller"
 * psc - prepare sc files
 * pselect - synchronous I/O multiplexing
 * pselect6 - synchronous I/O multiplexing
 * psfaddtable - add a Unicode character table to a console font
 * psfgettable - extract the embedded Unicode character table from a console font
 * psfstriptable - remove the embedded Unicode character table from a console font
 * psfxtable - handle Unicode character tables for console fonts
 * psicc - little cms PostScript converter.
 * psidtopgm - convert PostScript "image" data into a portable graymap
 * psiginfo - print signal message
 * psignal - print signal message
 * pslog - report current logs path of a process
 * pstopnm - convert a PostScript file into a portable anymap
 * pstore.conf - PStore configuration file
 * pstore.conf.d - PStore configuration file
 * pstree - display a tree of processes
 * pstree.x11 - display a tree of processes
 * ptar - a tar-like program written in perl
 * ptardiff - program that diffs an extracted archive against an unextracted one
 * ptargrep - Apply pattern matching to the contents of files in a tar archive
 * pthread_attr_destroy - initialize and destroy thread attributes object
 * pthread_attr_getaffinity_np - set/get CPU affinity attribute in thread attributes object
 * pthread_attr_getdetachstate - set/get detach state attribute in thread attributes object
 * pthread_attr_getguardsize - set/get guard size attribute in thread attributes object
 * pthread_attr_getinheritsched - set/get inherit-scheduler attribute in thread attribut...
 * pthread_attr_getschedparam - set/get scheduling parameter attributes in thread attrib...
 * pthread_attr_getschedpolicy - set/get scheduling policy attribute in thread attribute...
 * pthread_attr_getscope - set/get contention scope attribute in thread attributes object
 * pthread_attr_getstack - set/get stack attributes in thread attributes object
 * pthread_attr_getstackaddr - set/get stack address attribute in thread attributes object
 * pthread_attr_getstacksize - set/get stack size attribute in thread attributes object
 * pthread_attr_init - initialize and destroy thread attributes object
 * pthread_attr_setaffinity_np - set/get CPU affinity attribute in thread attributes object
 * pthread_attr_setdetachstate - set/get detach state attribute in thread attributes object
 * pthread_attr_setguardsize - set/get guard size attribute in thread attributes object
 * pthread_attr_setinheritsched - set/get inherit-scheduler attribute in thread attribut...
 * pthread_attr_setschedparam - set/get scheduling parameter attributes in thread attrib...
 * pthread_attr_setschedpolicy - set/get scheduling policy attribute in thread attribute...
 * pthread_attr_setscope - set/get contention scope attribute in thread attributes object
 * pthread_attr_setstack - set/get stack attributes in thread attributes object
 * pthread_attr_setstackaddr - set/get stack address attribute in thread attributes object
 * pthread_attr_setstacksize - set/get stack size attribute in thread attributes object
 * pthread_cancel - send a cancellation request to a thread
 * pthread_cleanup_pop - push and pop thread cancellation clean-up handlers
 * pthread_cleanup_pop_restore_np - push and pop thread cancellation clean-up handlers w...
 * pthread_cleanup_push - push and pop thread cancellation clean-up handlers
 * pthread_cleanup_push_defer_np - push and pop thread cancellation clean-up handlers wh...
 * pthread_create - create a new thread
 * pthread_exit - terminate calling thread
 * pthread_getaffinity_np - set/get CPU affinity of a thread
 * pthread_getattr_default_np - get or set default thread-creation attributes
 * pthread_getattr_np - get attributes of created thread
 * pthread_getconcurrency - set/get the concurrency level
 * pthread_getcpuclockid - retrieve ID of a thread's CPU time clock
 * pthread_getname_np - set/get the name of a thread
 * pthread_getschedparam - set/get scheduling policy and parameters of a thread
 * pthread_join - join with a terminated thread
 * pthread_kill - send a signal to a thread
 * pthread_kill_other_threads_np - terminate all other threads in process
 * pthread_mutex_consistent - make a robust mutex consistent
 * pthread_mutex_consistent_np - make a robust mutex consistent
 * pthread_mutexattr_getpshared - get/set process-shared mutex attribute
 * pthread_mutexattr_getrobust - get and set the robustness attribute of a mutex attribu...
 * pthread_mutexattr_getrobust_np - get and set the robustness attribute of a mutex attr...
 * pthread_mutexattr_setpshared - get/set process-shared mutex attribute
 * pthread_mutexattr_setrobust - get and set the robustness attribute of a mutex attribu...
 * pthread_mutexattr_setrobust_np - get and set the robustness attribute of a mutex attr...
 * pthread_rwlockattr_getkind_np - set/get the read-write lock kind of the thread read-w...
 * pthread_rwlockattr_setkind_np - set/get the read-write lock kind of the thread read-w...
 * pthread_self - obtain ID of the calling thread
 * pthread_setaffinity_np - set/get CPU affinity of a thread
 * pthread_setattr_default_np - get or set default thread-creation attributes
 * pthread_setcancelstate - set cancelability state and type
 * pthread_setcanceltype - set cancelability state and type
 * pthread_setconcurrency - set/get the concurrency level
 * pthread_setname_np - set/get the name of a thread
 * pthread_setschedparam - set/get scheduling policy and parameters of a thread
 * pthread_setschedprio - set scheduling priority of a thread
 * pthread_sigmask - examine and change mask of blocked signals
 * pthread_sigqueue - queue a signal and data to a thread
 * pthread_spin_lock - lock and unlock a spin lock
 * pthread_spin_trylock - lock and unlock a spin lock
 * pthread_spin_unlock - lock and unlock a spin lock
 * pthread_testcancel - request delivery of any pending cancellation request
 * pthread_timedjoin_np - try to join with a terminated thread
 * pthread_tryjoin_np - try to join with a terminated thread
 * pthread_yield - yield the processor
 * ptmx - pseudoterminal master and slave
 * ptrace - process trace
 * pts - pseudoterminal master and slave
 * ptsname - get the name of the slave pseudoterminal
 * ptsname_r - get the name of the slave pseudoterminal
 * ptx - produce a permuted index of file contents
 * pty - pseudoterminal interfaces
 * pulse-cli-syntax - PulseAudio Command Line Interface Syntax
 * pulse-client.conf - PulseAudio client configuration file
 * pulse-daemon.conf - PulseAudio daemon configuration file
 * pulseaudio - The PulseAudio Sound System
 * putc - output of characters and strings
 * putc_unlocked - nonlocking stdio functions
 * putchar - output of characters and strings
 * putchar_unlocked - nonlocking stdio functions
 * putenv - change or add an environment variable
 * putgrent - write a group database entry to a file
 * putmsg - unimplemented system calls
 * putpmsg - unimplemented system calls
 * putpwent - write a password file entry
 * puts - output of characters and strings
 * putspent - get shadow password file entry
 * pututline - access utmp file entries
 * pututxline - access utmp file entries
 * putw - input and output of words (ints)
 * putwc - write a wide character to a FILE stream
 * putwc_unlocked - nonlocking stdio functions
 * putwchar - write a wide character to standard output
 * putwchar_unlocked - nonlocking stdio functions
 * pvalloc - allocate aligned memory
 * pvchange - Change attributes of physical volume
 * pvck - Check metadata on physical volumes
 * pvcreate - Initialize physical volume for use by LVM
 * pvdisplay - Display various attributes of physical volume
 * pvmove - Move extents from one physical volume to another
 * pvremove - Remove LVM label from physical volume
 * pvs - Display information about physical volumes
 * pvscan - List all physical volumes
 * pwck - verify integrity of password files
 * pwconv - convert to and from shadow passwords and groups
 * pwd - print name of current/working directory
 * pwdx - report current working directory of a process
 * pwgen - generate pronounceable passwords
 * pwquality.conf - configuration for the libpwquality library
 * pwrite - read from or write to a file descriptor at a given offset
 * pwrite64 - read from or write to a file descriptor at a given offset
 * pwritev - read or write data into multiple buffers
 * pwritev2 - read or write data into multiple buffers
 * pwunconv - convert to and from shadow passwords and groups
 * pxelinux-options - utility to set PXELINUX hard-coded options.
 * py3clean - removes .pyc and .pyo files
 * py3compile - byte compile Python 3 source files
 * py3versions - print python3 version information
 * pyclean - removes .pyc and .pyo files
 * pycompile - byte compile Python source files
 * pydoc2 - the Python documentation tool
 * pydoc2.7 - the Python documentation tool
 * pydoc3 - the Python documentation tool
 * pydoc3.8 - the Python documentation tool
 * pygettext2 - Python equivalent of xgettext
 * pygettext2.7 - Python equivalent of xgettext
 * pygettext3 - Python equivalent of xgettext
 * pygettext3.8 - Python equivalent of xgettext
 * pyjwt3 - Python implementation of JSON Web Token
 * python3.8-config - output build options for python C/C++ extensions or embedding
 * python2 - an interpreted, interactive, object-oriented programming language
 * python2.7 - an interpreted, interactive, object-oriented programming language
 * python3 - an interpreted, interactive, object-oriented programming language
 * python3-config - output build options for python C/C++ extensions or embedding
 * python3.8 - an interpreted, interactive, object-oriented programming language
 * pyversions - print python version information
 * qecvt - convert a floating-point number to a string
 * qecvt_r - convert a floating-point number to a string
 * qfcvt - convert a floating-point number to a string
 * qfcvt_r - convert a floating-point number to a string
 * qgcvt - convert a floating-point number to a string
 * qmgr (8postfix) - Postfix queue manager
 * qmqp-sink - parallelized QMQP test server
 * qmqp-source - parallelized QMQP test generator
 * qpdldecode - Decode a QPDL stream into human readable form.
 * qrttoppm - convert output from the QRT ray tracer into a portable pixmap
 * qshape - Print Postfix queue domain and age distribution
 * qsort - sort an array
 * qsort_r - sort an array
 * qt-faststart - utility for Quicktime files
 * qt5ct - Qt5 Configuration Utility
 * query_module - query the kernel for various bits pertaining to modules
 * queue - implementations of singly-linked lists, singly-linked tail queues,...
 * quotactl - manipulate disk quotas
 * qvlc - the VLC media player
 * radeon - ATI/AMD RADEON video driver
 * raise - send a signal to the caller
 * ram - ram disk device
 * rand (1ssl) - generate pseudo-random bytes
 * rand - pseudo-random number generator
 * RAND_DRBG (7ssl) - the deterministic random bit generator
 * rand_r - pseudo-random number generator
 * random - random number generator
 * random - kernel random number source devices
 * random - overview of interfaces for obtaining randomness
 * random_r - reentrant random number generator
 * ranlib - generate an index to an archive
 * rarp - manipulate the system RARP table
 * rasterizer - SVG conversion
 * rasttopnm - convert a Sun rasterfile into a portable anymap
 * rawmemchr - scan memory for a character
 * rawtopgm - convert raw grayscale bytes into a portable graymap
 * rawtoppm - convert raw RGB bytes into a portable pixmap
 * rbash - restricted bash, see bash
 * rcmd - routines for returning a stream to a remote command
 * rcmd_af - routines for returning a stream to a remote command
 * rcp - OpenSSH secure file copy
 * rctest - RFCOMM testing
 * rdate - set the system's date from a remote host
 * rdjpgcom - display text comments from a JPEG file
 * rdma - RDMA tool
 * rdma-dev - RDMA device configuration
 * rdma-link - rdma link configuration
 * rdma-resource - rdma resource configuration
 * rdma-statistic - RDMA statistic counter configuration
 * rdma-system - RDMA subsystem configuration
 * re_comp - BSD regex functions
 * re_exec - BSD regex functions
 * re_format - POSIX.2 regular expressions
 * read - read from a file descriptor
 * readahead - initiate file readahead into page cache
 * readdir - read directory entry
 * readdir - read a directory
 * readdir (3am) - directory input parser for gawk
 * readdir_r - read a directory
 * readelf - display information about ELF files
 * readfile (3am) - return the entire contents of a file as a string
 * readline (3readline)- get a line from a user with editing
 * readlink - print resolved symbolic links or canonical file names
 * readlinkat - read value of a symbolic link
 * readom - read or write data Compact Discs
 * readproc - read information from next /proc/## entry
 * readproctab - read information for all current processes at once
 * readprofile - read kernel profiling information
 * readv - read or write data into multiple buffers
 * realloc - allocate and free dynamic memory
 * reallocarray - allocate and free dynamic memory
 * realpath - print the resolved path
 * realpath - return the canonicalized absolute pathname
 * reboot - reboot or enable/disable Ctrl-Alt-Del
 * recno - record number database access method
 * recode - converts files between character sets
 * recode-sr-latin - convert Serbian text from Cyrillic to Latin script
 * recountdiff - recompute patch counts and offsets
 * recv - receive a message from a socket
 * recvfrom - receive a message from a socket
 * recvmmsg - receive multiple messages on a socket
 * recvmsg - receive a message from a socket
 * red - line-oriented text editor
 * tc-red - Random Early Detection
 * rediff - fix offsets and counts of a hand-edited diff
 * redland - Resource Description Framework (RDF) Library
 * redshift - set color temperature of display according to time of day
 * redshift-gtk - set color temperature of display according to time of day
 * regcomp - POSIX regex functions
 * regdbdump - parse and print out regulatory rules file
 * regedit - Wine registry editor
 * regedit-stable - Wine registry editor
 * regerror - POSIX regex functions
 * regex - POSIX regex functions
 * regex - POSIX.2 regular expressions
 * regexec - POSIX regex functions
 * regexp_table - format of Postfix regular expression tables
 * regfree - POSIX regex functions
 * register-stardata - Install or remove star data catalogues and astronomy programs
 * registerrpc - library routines for remote procedure calls
 * regsvr32 - Wine DLL Registration Server
 * regsvr32-stable - Wine DLL Registration Server
 * regulatory.bin - The Linux wireless regulatory database
 * regulatory.db - The Linux wireless regulatory database
 * rehash (1ssl) - Create symbolic links to files named by the hash values
 * reiserfsck - The checking tool for the ReiserFS filesystem.
 * reiserfstune - The tunning tool for the ReiserFS filesystem.
 * relocated - Postfix relocated table format
 * remainder - floating-point remainder function
 * remainderf - floating-point remainder function
 * remainderl - floating-point remainder function
 * remap_file_pages - create a nonlinear file mapping
 * remove - remove a file or directory
 * remove-default-ispell - remove default ispell dictionary
 * remove-shell - remove shells from the list of valid login shells
 * removexattr - remove an extended attribute
 * remque - insert/remove an item from a queue
 * remquo - remainder and part of quotient
 * remquof - remainder and part of quotient
 * remquol - remainder and part of quotient
 * rename - renames multiple files
 * rename - change the name or location of a file
 * rename.ul - rename files
 * renameat - change the name or location of a file
 * renameat2 - change the name or location of a file
 * rendercheck - simple tests of the X Render extension.
 * renice - alter priority of running processes
 * renum - Bywater BASIC interpreter/shell
 * Reply::Plugin::TypeTiny (3pm)- improved type constraint exceptions in Reply
 * req (1ssl) - PKCS#10 certificate request and certificate generating utility
 * request-key - handle key instantiation callback requests from the kernel
 * request-key.conf - Instantiation handler configuration file
 * request_key - request a key from the kernel's key management facility
 * res_nsearch - resolver routines
 * res_search - resolver routines
 * reset - terminal initialization
 * resize2fs - ext2/ext3/ext4 file system resizer
 * resize_reiserfs - resizer tool for the ReiserFS filesystem
 * resizecons - change kernel idea of the console size
 * resolv.conf - resolver configuration file
 * resolvconf - Resolve domain names, IPV4 and IPv6 addresses, DNS resource record...
 * resolvectl - Resolve domain names, IPV4 and IPv6 addresses, DNS resource record...
 * resolved.conf - Network Name Resolution configuration files
 * resolved.conf.d - Network Name Resolution configuration files
 * resolver - resolver configuration file
 * restart_syscall - restart a system call after interruption by a stop signal
 * revoutput (3am) - Reverse output strings sample extension
 * revtwoway (3am) - Reverse strings sample two-way processor extension
 * rewinddir - reset directory stream
 * rexec - return stream to a remote command
 * rexec_af - return stream to a remote command
 * rfcomm - RFCOMM configuration utility
 * rfkill - tool for enabling and disabling wireless devices
 * rgb3toppm - combine three portable graymaps into one portable pixmap
 * rgrep - print lines that match patterns
 * rhythmbox - music player and library for tagged files using GStreamer
 * rhythmbox-client - controls a running instance of rhythmbox
 * rifle - ranger's file opener
 * rindex - locate character in string
 * rint - round to nearest integer
 * rintf - round to nearest integer
 * rintl - round to nearest integer
 * rletopnm - convert a Utah Raster Tools RLE image file into a PNM image file.
 * rlogin - OpenSSH remote login client
 * rm - remove files or directories
 * rmail - handle remote mail received via uucp
 * rmdir - remove empty directories
 * rmdir - delete a directory
 * rmic - Generates stub, skeleton, and tie classes for remote objects that ...
 * rmid - Starts the activation system daemon that enables objects to be reg...
 * rmiregistry - Starts a remote object registry on the specified port on the curre...
 * rmmod - Simple program to remove a module from the Linux Kernel
 * rmt - remote magnetic tape server
 * rmt-tar - remote magnetic tape server
 * rnano - a restricted nano
 * Role::Tiny (3pm) - Roles: a nouvelle cuisine portion size slice of Moose
 * Role::Tiny::With (3pm)- Neat interface for consumers of Role::Tiny roles
 * rotatelogs - Piped logging program to rotate Apache logs
 * round - round to nearest integer, away from zero
 * roundf - round to nearest integer, away from zero
 * roundl - round to nearest integer, away from zero
 * route - show / manipulate the IP routing table
 * routel - list routes with pretty output format
 * rpc - library routines for remote procedure calls
 * rpc - RPC program number data base
 * rpcclient - tool for executing client side MS-RPC functions
 * rpcgen - an RPC protocol compiler
 * rpm - RPM Package Manager
 * rpm-misc - lesser need options for rpm
 * rpm-plugin-systemd-inhibit - Plugin for the RPM Package Manager
 * rpm2archive - Extract archive archive from RPM Package Manager (RPM) package.
 * rpm2cpio - Extract cpio archive from RPM Package Manager (RPM) package.
 * rpmatch - determine if the answer to a question is affirmative or negative
 * rpmbuild - Build RPM Package
 * rpmdb - RPM Database Tool
 * rpmdeps - Generate RPM Package Dependencies
 * rpmgraph - Display RPM Package Dependency Graph
 * rpmkeys - RPM Keyring
 * rpmquery - RPM Package Manager
 * rpmsign - RPM Package Signing
 * rpmverify - RPM Package Manager
 * rresvport - routines for returning a stream to a remote command
 * rresvport_af - routines for returning a stream to a remote command
 * rsa (1ssl) - RSA key processing tool
 * RSA-PSS (7ssl) - EVP_PKEY RSA-PSS algorithm support
 * rsh - OpenSSH remote login client
 * rstart - a sample implementation of a Remote Start client
 * rstartd - a sample implementation of a Remote Start rsh helper
 * rsync - a fast, versatile, remote (and local) file-copying tool
 * rsyncd.conf - configuration file for rsync in daemon mode
 * rsyslog.conf - rsyslogd configuration file
 * rsyslogd - reliable and extended syslogd
 * rt_sigaction - examine and change a signal action
 * rt_sigpending - examine pending signals
 * rt_sigprocmask - examine and change blocked signals
 * rt_sigqueueinfo - queue a signal and data
 * rt_sigreturn - return from signal handler and cleanup stack frame
 * rt_sigsuspend - wait for a signal
 * rt_sigtimedwait - synchronously wait for queued signals
 * rt_tgsigqueueinfo - queue a signal and data
 * rtacct - network statistics tools.
 * rtc - real-time clock
 * rtcwake - enter a system sleep state until specified wakeup time
 * rtfm - an interface to the system reference manuals
 * rtime - get time from a remote machine
 * rtkitctl - Realtime Policy and Watchdog daemon control
 * rtld-audit - auditing API for the dynamic linker
 * rtmon - listens to and monitors RTnetlink
 * rtmpdump - RTMP streaming media client
 * rtmpgw - RTMP streaming media gateway
 * rtmpsuck - a transparent RTMP proxy
 * rtnetlink - macros to manipulate rtnetlink messages
 * rtnetlink - Linux IPv4 routing socket
 * rtpr - replace backslashes with newlines.
 * rtstat - unified linux network statistics
 * run-mailcap - execute programs via entries in the mailcap file
 * run-parts - run scripts or programs in a directory
 * run-with-aspell - script to help use GNU Aspell as an ispell replacement
 * runcon - run command with specified security context
 * runlevel - Print previous and current SysV runlevel
 * runuser - run a command with substitute user and group ID
 * ruserok - routines for returning a stream to a remote command
 * ruserok_af - routines for returning a stream to a remote command
 * rview - Vi IMproved, a programmer's text editor
 * rvim - Vi IMproved, a programmer's text editor
 * rvlc - the VLC media player
 * rvnamed-ng - reverse name resolution daemon for iptraf
 * rwarray (3am) - write and read gawk arrays to/from files
 * s390_guarded_storage - operations with z/Architecture guarded storage facility
 * s390_pci_mmio_read - transfer data to/from PCI MMIO memory page
 * s390_pci_mmio_write - transfer data to/from PCI MMIO memory page
 * s390_runtime_instr - enable/disable s390 CPU run-time instrumentation
 * s390_sthyi - emulate STHYI instruction
 * s_client (1ssl) - SSL/TLS client program
 * s_server (1ssl) - SSL/TLS server program
 * s_time (1ssl) - SSL/TLS performance timing program
 * sa - summarizes accounting information
 * samba - A Windows AD and SMB/CIFS fileserver for UNIX
 * samba-regedit - ncurses based tool to manage the Samba registry
 * samba-tool - Main Samba administration tool.
 * tc-sample - packet sampling tc action
 * sane - Scanner Access Now Easy: API for accessing scanners
 * sane-abaton - SANE backend for Abaton flatbed scanners
 * sane-agfafocus - SANE backend for AGFA Focus flatbed scanners
 * sane-apple - SANE backend for Apple flatbed scanners
 * sane-artec - SANE backend for Artec flatbed scanners
 * sane-artec_eplus48u - SANE backend for the scanner Artec E+ 48U and re-badged models
 * sane-as6e - SANE backend for using the Artec AS6E parallel port interface scan...
 * sane-avision - SANE backend for original Avision and Avision OEM scanners (HP, Mi...
 * sane-bh - SANE backend for Bell+Howell Copiscan II series document scanners
 * sane-canon - SANE backend for Canon SCSI scanners
 * sane-canon630u - SANE backend for the Canon 630u USB flatbed scanner
 * sane-canon_dr - SANE backend for Canon DR-series scanners
 * sane-canon_pp - SANE backend for Canon CanoScan Parallel Port flatbed scanners
 * sane-cardscan - SANE backend for Corex CardScan usb scanners
 * sane-coolscan - SANE backend for Nikon film-scanners
 * sane-coolscan2 - SANE backend for Nikon Coolscan film scanners
 * sane-coolscan3 - SANE backend for Nikon Coolscan film scanners
 * sane-dc210 - SANE backend for Kodak DC210 Digital Camera
 * sane-dc240 - SANE backend for Kodak DC240 Digital Camera
 * sane-dc25 - SANE backend for Kodak DC20/DC25 Digital Cameras
 * sane-dll - SANE dynamic backend loader
 * sane-dmc - SANE backend for the Polaroid Digital Microscope Camera
 * sane-epjitsu - SANE backend for Epson-based Fujitsu USB scanners.
 * sane-epson - SANE backend for EPSON scanners
 * sane-epson2 - SANE backend for EPSON scanners
 * sane-epsonds - SANE backend for EPSON ESC/I-2 scanners
 * sane-escl - SANE backend for eSCL scanners
 * sane-find-scanner - find SCSI and USB scanners and their device files
 * sane-fujitsu - SANE backend for Fujitsu flatbed and ADF scanners
 * sane-genesys - SANE backend for GL646, GL841, GL843, GL847 and GL124 based USB fl...
 * sane-gphoto2 - SANE backend for gphoto2 supported cameras
 * sane-gt68xx - SANE backend for GT-68XX based USB flatbed scanners
 * sane-hp - SANE backend for HP ScanJet scanners
 * sane-hp3500 - SANE backend for Hewlett-Packard ScanJet 3500 series scanners
 * sane-hp3900 - SANE backend for RTS8822 chipset based scanners
 * sane-hp4200 - SANE backend for Hewlett-Packard 4200 scanners
 * sane-hp5400 - SANE backend for Hewlett-Packard 54XX scanners
 * sane-hp5590 - SANE backend for Hewlett-Packard 4500C/4570C/5500C/5550C/5590/7650...
 * sane-hpljm1005 - SANE backend for Hewlett-Packard LaserJet M1005 MFP Scanner
 * sane-hpsj5s - SANE backend for HP ScanJet 5S sheet-fed scanner
 * sane-hs2p - SANE backend for Ricoh SCSI flatbed/ADF scanners
 * sane-ibm - SANE backend for IBM and Ricoh SCSI flatbed scanners
 * sane-kodak - SANE backend for big Kodak flatbed and ADF scanners
 * sane-kodakaio - SANE backend for Kodak aio printer / scanners
 * sane-kvs1025 - SANE backend for Panasonic KV-S102xC USB ADF scanners.
 * sane-kvs20xx - SANE backend for Panasonic KV-S20xxC USB/SCSI ADF scanners.
 * sane-kvs40xx - SANE backend for Panasonic KV-S40xxC USB/SCSI ADF scanners.
 * sane-leo - SANE backend for LEO Technologies scanners
 * sane-lexmark - SANE backend for Lexmark X1100/X1200 Series scanners
 * sane-ma1509 - SANE backend for Mustek BearPaw 1200F USB scanner
 * sane-magicolor - SANE backend for KONICA MINOLTA magicolor scanners
 * sane-matsushita - SANE backend for Panasonic KV-SS high speed scanners
 * sane-microtek - SANE backend for Microtek scanners
 * sane-microtek2 - SANE backend for Microtek scanners with SCSI-2 command set
 * sane-mustek - SANE backend for Mustek SCSI flatbed scanners (and some other devi...
 * sane-mustek_pp - SANE backend for Mustek parallel port flatbed scanners
 * sane-mustek_usb - SANE backend for Mustek USB flatbed scanners
 * sane-mustek_usb2 - SANE backend for SQ113 based USB flatbed scanners
 * sane-nec - SANE backend for NEC scanners
 * sane-net - SANE network backend
 * sane-niash - SANE backend for scanners based on the NIASH chipset.
 * sane-p5 - SANE backend for the Primax PagePartner
 * sane-pie - SANE backend for PIE, Devcom and AdLib SCSI flatbed scanners
 * sane-pieusb - SANE backend for USB-connected PIE PowerSlide and Reflecta DigitDi...
 * sane-pint - SANE backend for scanners that use the PINT device driver
 * sane-pixma - SANE backend for Canon Multi-Function Printers and CanoScan Scanners
 * sane-plustek - SANE backend for LM983[1/2/3] based USB flatbed scanners
 * sane-plustek_pp - SANE backend for Plustek parallel port flatbed scanners
 * sane-pnm - SANE PNM image reader pseudo-backend
 * sane-qcam - SANE backend for Connectix QuickCam cameras
 * sane-ricoh - SANE backend for Ricoh flatbed scanners
 * sane-ricoh2 - SANE backend for Ricoh flatbed scanners
 * sane-rts8891 - SANE backend for rts8891 based scanners
 * sane-s9036 - SANE backend for Siemens 9036 flatbed scanners
 * sane-sceptre - SANE backend for SCEPTRE scanners
 * sane-scsi - SCSI adapter tips for scanners
 * sane-sharp - SANE backend for SHARP scanners
 * sane-sm3600 - SANE backend for Microtek scanners with M011 USB chip
 * sane-sm3840 - SANE backend for Microtek scanners with SCAN08 USB chip
 * sane-snapscan - SANE backend for AGFA SnapScan flatbed scanners
 * sane-sp15c - SANE backend for Fujitsu ScanPartner 15C flatbed scanner
 * sane-st400 - SANE backend for Siemens ST/Highscan flatbed scanners
 * sane-stv680 - SANE backend for STV680 camera's
 * sane-tamarack - SANE backend for Tamarack flatbed scanners
 * sane-teco1 - SANE backend for TECO / RELISYS scanners
 * sane-teco2 - SANE backend for TECO / RELISYS scanners
 * sane-teco3 - SANE backend for TECO / RELISYS scanners
 * sane-test - SANE backend for testing frontends
 * sane-u12 - SANE backend for Plustek USB flatbed scanners, based on older parp...
 * sane-umax - SANE backend for UMAX scanners
 * sane-umax1220u - SANE backend for the UMAX Astra 1220U and similar scanners
 * sane-umax_pp - SANE backend for Umax Astra parallel port flatbed scanners
 * sane-usb - USB configuration tips for SANE
 * sane-xerox_mfp - SANE backend for Xerox Phaser 3200MFP device et al.
 * saned - SANE network daemon
 * savelog - save a log file
 * sbattach - UEFI secure boot detached signature tool
 * sbigtopgm - convert an SBIG CCDOPS file into a portable graymap
 * sbrk - change data segment size
 * sbsiglist - Create EFI_SIGNATURE_LIST signature databases
 * sbsign - UEFI secure boot signing tool
 * sbvarsign - UEFI authenticated variable signing tool
 * sbverify - UEFI secure boot verification tool
 * sc - spreadsheet calculator
 * scache (8postfix) - Postfix shared connection cache server
 * scalb - multiply floating-point number by integral power of radix (OBSOLETE)
 * scalbf - multiply floating-point number by integral power of radix (OBSOLETE)
 * scalbl - multiply floating-point number by integral power of radix (OBSOLETE)
 * scalbln - multiply floating-point number by integral power of radix
 * scalblnf - multiply floating-point number by integral power of radix
 * scalblnl - multiply floating-point number by integral power of radix
 * scalbn - multiply floating-point number by integral power of radix
 * scalbnf - multiply floating-point number by integral power of radix
 * scalbnl - multiply floating-point number by integral power of radix
 * scandir - scan a directory for matching entries
 * scandirat - scan a directory for matching entries
 * scanf - input format conversion
 * scanimage - scan an image
 * sccmap - extract strongly connected components of directed graphs
 * sched - overview of CPU scheduling
 * sched_get_priority_max - get static priority range
 * sched_get_priority_min - get static priority range
 * sched_getaffinity - set and get a thread's CPU affinity mask
 * sched_getattr - set and get scheduling policy and attributes
 * sched_getcpu - determine CPU on which the calling thread is running
 * sched_getparam - set and get scheduling parameters
 * sched_getscheduler - set and get scheduling policy/parameters
 * sched_rr_get_interval - get the SCHED_RR interval for the named process
 * sched_setaffinity - set and get a thread's CPU affinity mask
 * sched_setattr - set and get scheduling policy and attributes
 * sched_setparam - set and get scheduling parameters
 * sched_setscheduler - set and get scheduling policy/parameters
 * sched_yield - yield the processor
 * scp - OpenSSH secure file copy
 * scr_dump - format of curses screen-dumps.
 * screendump - dump the contents of a virtual console to stdout
 * script - make typescript of terminal session
 * scriptreplay - play back typescripts, using timing information
 * sd - driver for SCSI disk drives
 * sd-boot - A simple UEFI boot manager
 * sdiff - (unknown subject)
 * sdptool - control and interrogate SDP servers
 * seahorse - Passwords and Keys
 * seccomp - operate on Secure Computing state of the process
 * secure_getenv - get an environment variable
 * securetty - file which lists terminals from which root can log in
 * security - unimplemented system calls
 * sed - stream editor for filtering and transforming text
 * see - execute programs via entries in the mailcap file
 * seed48 - generate uniformly distributed pseudo-random numbers
 * seed48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * seekdir - set the position of the next readdir call in the directory stream.
 * select - synchronous I/O multiplexing
 * select-default-ispell - select default ispell dictionary
 * select-default-iwrap - Selects the user default ispell dictionary for use with ispell...
 * select-editor - select your default sensible-editor from all installed editors
 * select_tut - synchronous I/O multiplexing
 * sem_close - close a named semaphore
 * sem_destroy - destroy an unnamed semaphore
 * sem_getvalue - get the value of a semaphore
 * sem_init - initialize an unnamed semaphore
 * sem_open - initialize and open a named semaphore
 * sem_timedwait - lock a semaphore
 * sem_unlink - remove a named semaphore
 * semanage.conf - global configuration file for the SELinux Management library
 * semctl - System V semaphore control operations
 * semget - get a System V semaphore set identifier
 * semop - System V semaphore operations
 * semtimedop - System V semaphore operations
 * send - send a message on a socket
 * sendfile - transfer data between file descriptors
 * sendfile64 - transfer data between file descriptors
 * sendmail - Postfix to Sendmail compatibility interface
 * sendmmsg - send multiple messages on a socket
 * sendmsg - send a message on a socket
 * sendto - send a message on a socket
 * sensible-browser - sensible editing, paging, and web browsing
 * sensible-editor - sensible editing, paging, and web browsing
 * sensible-pager - sensible editing, paging, and web browsing
 * sensors - print sensors information
 * sensors-conf-convert - sensors configuration conversion
 * sensors-detect - detect hardware monitoring chips
 * sensors.conf - libsensors configuration file
 * sepermit.conf - configuration file for the pam_sepermit module
 * Sereal::Decoder (3pm)- Fast, compact, powerful binary deserialization
 * Sereal::Encoder (3pm)- Fast, compact, powerful binary serialization
 * Sereal::Performance (3pm)- Getting the most out of the Perl-Sereal implementation
 * serialver - Returns the serial version UID for specified classes.
 * service - run a System V init script
 * services - Internet network services list
 * sess_id (1ssl) - SSL/TLS session handling utility
 * session-keyring - session shared process keyring
 * session-migration - Migrate in user session settings.
 * sessreg - manage utmpx/wtmpx entries for non-init clients
 * set_mempolicy - set default NUMA memory policy for a thread and its children
 * set_robust_list - get/set list of robust futexes
 * set_thread_area - manipulate thread-local storage information
 * set_tid_address - set pointer to thread ID
 * setaliasent - read an alias entry
 * setarch - change reported architecture in new program environment and/or set...
 * setbuf - stream buffering operations
 * setbuffer - stream buffering operations
 * setcap - set file capabilities
 * setcifsacl - Userspace helper to alter an ACL in a security descriptor for Comm...
 * setcontext - get or set the user context
 * setcontext - get or set the user context
 * setdomainname - get/set NIS domain name
 * setegid - set effective user or group ID
 * setenv - change or add an environment variable
 * seteuid - set effective user or group ID
 * setfacl - set file access control lists
 * setfattr - set extended attributes of filesystem objects
 * setfont - load EGA/VGA console screen font
 * setfsent - handle fstab entries
 * setfsgid - set group identity used for filesystem checks
 * setfsgid32 - set group identity used for filesystem checks
 * setfsuid - set user identity used for filesystem checks
 * setfsuid32 - set user identity used for filesystem checks
 * setgid - set group identity
 * setgid32 - set group identity
 * setgrent - get group file entry
 * setgroups - get/set list of supplementary group IDs
 * setgroups32 - get/set list of supplementary group IDs
 * sethostent - get network host entry
 * sethostid - get or set the unique identifier of the current host
 * sethostid - get or set the unique identifier of the current host
 * sethostname - get/set hostname
 * setitimer - get or set value of an interval timer
 * setjmp - performing a nonlocal goto
 * setkey - encrypt 64-bit messages
 * setkey_r - encrypt 64-bit messages
 * setkeycodes - load kernel scancode-to-keycode mapping table entries
 * setleds - set the keyboard leds
 * setlinebuf - stream buffering operations
 * setlocale - set the current locale
 * setlogcons - Send kernel messages to console N
 * setlogmask - set log priority mask
 * setmetamode - define the keyboard meta key handling
 * setmntent - get filesystem descriptor file entry
 * setnetent - get network entry
 * setnetgrent - handle network group entries
 * setns - reassociate thread with a namespace
 * setpci - configure PCI devices
 * setpgid - set/get process group
 * setpgrp - set/get process group
 * setpriority - get/set program scheduling priority
 * setpriv - run a program with different Linux privilege settings
 * setprotoent - get protocol entry
 * setpwent - get password file entry
 * setregid - set real and/or effective user or group ID
 * setregid32 - set real and/or effective user or group ID
 * setresgid - set real, effective and saved user or group ID
 * setresgid32 - set real, effective and saved user or group ID
 * setresuid - set real, effective and saved user or group ID
 * setresuid32 - set real, effective and saved user or group ID
 * setreuid - set real and/or effective user or group ID
 * setreuid32 - set real and/or effective user or group ID
 * setrlimit - get/set resource limits
 * setrpcent - get RPC entry
 * setservent - get service entry
 * setsid - run a program in a new session
 * setsid - creates a session and sets the process group ID
 * setsockopt - get and set options on sockets
 * setspent - get shadow password file entry
 * setstate - random number generator
 * setstate_r - reentrant random number generator
 * setterm - set terminal attributes
 * settimeofday - get / set time
 * setttyent - get ttys file entry
 * setuid - set user identity
 * setuid32 - set user identity
 * setup - setup devices and filesystems, mount root filesystem
 * setupcon - sets up the font and the keyboard on the console
 * setusershell - get permitted user shells
 * setutent - access utmp file entries
 * setutxent - access utmp file entries
 * setvbuf - stream buffering operations
 * setvesablank - Turn VESA screen blanking on or off
 * setvtrgb - customize the console color map
 * setvtrgb - set the virtual terminal RGB colors
 * setxattr - set an extended attribute value
 * setxkbmap - set the keyboard using the X Keyboard Extension
 * sfdisk - display or manipulate a disk partition table
 * sfdp - filter for drawing large undirected graphs
 * sftp - OpenSSH secure file transfer
 * sg - execute command as different group ID
 * sgdisk - Command-line GUID partition table (GPT) manipulator for Linux and ...
 * sgetmask - manipulation of signal mask (obsolete)
 * sgetspent - get shadow password file entry
 * sgetspent_r - get shadow password file entry
 * sgitopnm - convert a SGI image file to a portable anymap
 * sh - command interpreter (shell)
 * sha1pass - Create a SHA1 password hash
 * sha1sum - compute and check SHA1 message digest
 * sha224sum - compute and check SHA224 message digest
 * sha256sum - compute and check SHA256 message digest
 * sha384sum - compute and check SHA384 message digest
 * sha512sum - compute and check SHA512 message digest
 * shadow - shadowed password file
 * shasum - Print or Check SHA Checksums
 * shells - pathnames of valid login shells
 * shm_open - create/open or unlink POSIX shared memory objects
 * shm_overview - overview of POSIX shared memory
 * shm_unlink - create/open or unlink POSIX shared memory objects
 * shmat - System V shared memory operations
 * shmctl - System V shared memory control
 * shmdt - System V shared memory operations
 * shmget - allocates a System V shared memory segment
 * shmop - System V shared memory operations
 * showconsolefont - Show the current EGA/VGA console screen font
 * showkey - examine the codes sent by the keyboard
 * showrgb - display an rgb color-name database
 * shred - overwrite a file to hide its contents, and optionally delete it
 * shuf - generate random permutations
 * sigaction - examine and change a signal action
 * sigaddset - POSIX signal set operations
 * sigaltstack - set and/or get signal stack context
 * sigandset - POSIX signal set operations
 * sigblock - BSD signal API
 * sigdelset - POSIX signal set operations
 * sigemptyset - POSIX signal set operations
 * sigevent - structure for notification from asynchronous routines
 * sigfillset - POSIX signal set operations
 * siggetmask - BSD signal API
 * sighold - System V signal API
 * sigignore - System V signal API
 * siginterrupt - allow signals to interrupt system calls
 * sigisemptyset - POSIX signal set operations
 * sigismember - POSIX signal set operations
 * siglongjmp - performing a nonlocal goto
 * sigmask - BSD signal API
 * signal - ANSI C signal handling
 * signal - overview of signals
 * signal-safety - async-signal-safe functions
 * signalfd - create a file descriptor for accepting signals
 * signalfd4 - create a file descriptor for accepting signals
 * signbit - test sign of a real floating-point number
 * signgam - log gamma function
 * significand - get mantissa of floating-point number
 * significandf - get mantissa of floating-point number
 * significandl - get mantissa of floating-point number
 * sigorset - POSIX signal set operations
 * sigpause - atomically release blocked signals and wait for interrupt
 * sigpending - examine pending signals
 * sigprocmask - examine and change blocked signals
 * sigqueue - queue a signal and data to a process
 * sigqueue - queue a signal and data to a process
 * sigrelse - System V signal API
 * sigreturn - return from signal handler and cleanup stack frame
 * sigset - System V signal API
 * sigsetjmp - performing a nonlocal goto
 * sigsetmask - BSD signal API
 * sigsetops - POSIX signal set operations
 * sigstack - set and/or get signal stack context
 * sigsuspend - wait for a signal
 * sigtimedwait - synchronously wait for queued signals
 * sigvec - BSD signal API
 * sigwait - wait for a signal
 * sigwaitinfo - synchronously wait for queued signals
 * simple-scan - Scanning utility
 * sincos - calculate sin and cos simultaneously
 * sincosf - calculate sin and cos simultaneously
 * sincosl - calculate sin and cos simultaneously
 * sirtopnm - convert a Solitaire file into a portable anymap
 * size - list section sizes and total size of binary files
 * tc-skbedit - SKB editing action
 * skill - send a signal or report process status
 * slabinfo - kernel slab allocator statistics
 * slabtop - display kernel slab cache information in real time
 * slattach - attach a network interface to a serial line
 * sldtoppm - convert an AutoCAD slide file into a portable pixmap
 * sleep - delay for a specified amount of time
 * sleep - sleep for a specified number of seconds
 * sleep.conf.d - Suspend and hibernation configuration file
 * slick-greeter - distro agnostic LightDM greeter
 * slick-greeter-check-hidpi - distro agnostic LightDM greeter
 * slick-greeter-set-keyboard-layout - switch keyboard layout
 * SLIST_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail q...
 * SLIST_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queue...
 * SLIST_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * SLIST_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_REMOVE_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * sln - create symbolic links
 * slogin - OpenSSH remote login client
 * slop - select operation
 * slxdecode - Decode a SLX stream into human readable form.
 * SM2 (7ssl) - Chinese SM2 signature and encryption algorithm support
 * smartpqi - Microsemi Smart Family SCSI driver
 * smb.conf - The configuration file for the Samba suite
 * smbcacls - Set or get ACLs on an NT file or directory names
 * smbclient - ftp-like client to access SMB/CIFS resources on servers
 * smbcquotas - Set or get QUOTAs of NTFS 5 shares
 * smbget - wget-like utility for download files over SMB
 * smbgetrc - configuration file for smbget
 * smbinfo - Userspace helper to display SMB-specific file information for the ...
 * smbpasswd - The Samba encrypted password file
 * smbpasswd - change a user's SMB password
 * smbspool - send a print file to an SMB printer
 * smbspool_krb5_wrapper - This is a CUPS printing backend which calls smbspool
 * smbtar - shell script for backing up SMB/CIFS shares directly to UNIX tape ...
 * smbtree - A text based smb network browser
 * smproxy - Session Manager Proxy
 * smtp (8postfix) - Postfix SMTP+LMTP client
 * smtp-sink - parallelized SMTP/LMTP test server
 * smtp-source - parallelized SMTP/LMTP test generator
 * snice - send a signal or report process status
 * snmp.conf - configuration files for the Net-SNMP applications
 * snmp_config - handling of Net-SNMP configuration files
 * snmpd.examples - example configuration for the Net-SNMP agent
 * snmpd.internal - internal configuration of the Net-SNMP agent
 * snprintf - formatted output conversion
 * sock_diag - obtaining information about sockets
 * sockatmark - determine whether socket is at out-of-band mark
 * socket - create an endpoint for communication
 * socket - Linux socket interface
 * socketmap_table - Postfix socketmap table lookup client
 * socketpair - create a pair of connected sockets
 * soelim - interpret .so requests in groff input
 * software-properties-gtk - Software Sources List editor
 * software-properties-kde - Software Sources List editor
 * software-sources - Software Sources List editor
 * sort - sort lines of text files
 * sort-dctrl - sort Debian control files
 * sotruss - trace shared library calls through PLT
 * sources.list - List of configured APT data sources
 * spanish - a list of spanish words
 * spawn (8postfix) - Postfix external command spawner
 * spctoppm - convert an Atari compressed Spectrum file into a portable pixmap
 * spd-conf - configure Speech Dispatcher and diagnose problems
 * spd-say - send text-to-speech output request to speech-dispatcher
 * speaker-test - command-line speaker test tone generator for ALSA
 * speech-dispatcher - speech synthesis daemon
 * speed (1ssl) - test library performance
 * spellintian - simple spellchecker based on Lintian's data files
 * spkac (1ssl) - SPKAC printing and generating utility
 * splice - splice data to/from a pipe
 * split - split a file into pieces
 * split-logfile - Split combined virtual hosts access log into one file per virtual ...
 * splitdiff - separate out incremental patches
 * splitfont - extract characters from an ISO-type font.
 * sponge - soak up standard input and write to a file
 * sprintf - formatted output conversion
 * sprof - read and display shared object profiling data
 * spu_create - create a new spu context
 * spu_run - execute an SPU context
 * spufs - SPU filesystem
 * sputoppm - convert an Atari uncompressed Spectrum file into a portable pixmap
 * squiggle - browser for SVG files
 * srand - pseudo-random number generator
 * srand48 - generate uniformly distributed pseudo-random numbers
 * srand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * srandom - random number generator
 * srandom_r - reentrant random number generator
 * srp (1ssl) - maintain SRP password file
 * ss - another utility to investigate sockets
 * sscanf - input format conversion
 * ssetmask - manipulation of signal mask (obsolete)
 * ssh - OpenSSH remote login client
 * ssh-add - adds private key identities to the OpenSSH authentication agent
 * ssh-agent - OpenSSH authentication agent
 * ssh-argv0 - replaces the old ssh command-name as hostname handling
 * ssh-copy-id - use locally available keys to authorise logins on a remote machine
 * ssh-keygen - OpenSSH authentication key utility
 * ssh-keyscan - gather SSH public keys from servers
 * ssh-keysign - OpenSSH helper for host-based authentication
 * ssh-pkcs11-helper - OpenSSH helper for PKCS#11 support
 * ssh-sk-helper - OpenSSH helper for FIDO authenticator support
 * ssh_config - OpenSSH client configuration file
 * ssignal - software signal facility
 * st - SCSI tape device
 * st4topgm - convert an SBIG ST4 format file into a portable graymap
 * STAILQ_CONCAT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail ...
 * STAILQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queu...
 * STAILQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queue...
 * STAILQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queue...
 * STAILQ_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_REMOVE_HEAD - implementations of singly-linked lists, singly-linked tail queue...
 * standards - C and UNIX Standards
 * starconvert - convert text data files to StarPlot format
 * starpkg - convert a StarPlot data set to StarPlot file format
 * start-pulseaudio-x11 - PulseAudio Sound Server X11 Startup Script
 * start-stop-daemon - start and stop system daemon programs
 * startx - initialize an X session
 * stat - display file or file system status
 * stat - get file status
 * stat64 - get file status
 * statfs - get filesystem statistics
 * statfs64 - get filesystem statistics
 * statvfs - get filesystem statistics
 * statvfs - get filesystem statistics
 * statx - get file status (extended)
 * stdarg - variable argument lists
 * stdbuf - Run COMMAND, with modified buffering operations for its standard s...
 * stderr - standard I/O streams
 * stdin - standard I/O streams
 * stdio - standard input/output library functions
 * stdio_ext - interfaces to stdio FILE structure
 * stdout - standard I/O streams
 * stl2gts - convert an STL file to GTS format.
 * stpcpy - copy a string returning a pointer to its end
 * stpncpy - copy a fixed-size string, returning a pointer to its end
 * strace - trace system calls and signals
 * strace-log-merge - merge strace-ff-tt output
 * strcasecmp - compare two strings ignoring case
 * strcasestr - locate a substring
 * strcat - concatenate two strings
 * strchr - locate character in string
 * strchrnul - locate character in string
 * strcmp - compare two strings
 * strcoll - compare two strings using the current locale
 * strcpy - copy a string
 * strcspn - get length of a prefix substring
 * strdup - duplicate a string
 * strdupa - duplicate a string
 * stream - a lightweight tool to stream one or more pixel components of the i...
 * stream-im6 - a lightweight tool to stream one or more pixel components of the i...
 * stream-im6.q16 - a lightweight tool to stream one or more pixel components of the i...
 * streamer - record audio and/or video
 * streamripper - rip shoutcast radio streams to mp3 files
 * strerror - return string describing error number
 * strerror_l - return string describing error number
 * strerror_r - return string describing error number
 * strfmon - convert monetary value to a string
 * strfmon_l - convert monetary value to a string
 * strfromd - convert a floating-point value into a string
 * strfromf - convert a floating-point value into a string
 * strfroml - convert a floating-point value into a string
 * strfry - randomize a string
 * strftime - format date and time
 * strictures (3pm) - Turn on strict and make most warnings fatal
 * strictures::extra (3pm)- enable or disable strictures additional checks
 * string - string operations
 * strings - print the sequences of printable characters in files
 * strip - discard symbols and other data from object files
 * strlen - calculate the length of a string
 * strncasecmp - compare two strings ignoring case
 * strncat - concatenate two strings
 * strncmp - compare two strings
 * strncpy - copy a string
 * strndup - duplicate a string
 * strndupa - duplicate a string
 * strnlen - determine the length of a fixed-size string
 * strpbrk - search a string for any of a set of bytes
 * strptime - convert a string representation of time to a time tm structure
 * strrchr - locate character in string
 * strsep - extract token from string
 * strsignal - return string describing signal
 * strspn - get length of a prefix substring
 * strstr - locate a substring
 * strtod - convert ASCII string to floating-point number
 * strtof - convert ASCII string to floating-point number
 * strtoimax - convert string to integer
 * strtok - extract tokens from strings
 * strtok_r - extract tokens from strings
 * strtol - convert a string to a long integer
 * strtold - convert ASCII string to floating-point number
 * strtoll - convert a string to a long integer
 * strtoq - convert a string to a long integer
 * strtoul - convert a string to an unsigned long integer
 * strtoull - convert a string to an unsigned long integer
 * strtoumax - convert string to integer
 * strtouq - convert a string to an unsigned long integer
 * Struct::Dumb (3pm) - make simple lightweight record-like structures
 * strverscmp - compare two version strings
 * strxfrm - string transformation
 * stty - change and print terminal line settings
 * stty - unimplemented system calls
 * su - run a command with substitute user and group ID
 * Sub::Defer (3pm) - Defer generation of subroutines until they are first called
 * Sub::Exporter::Progressive (3pm)- Only use Sub::Exporter if you need it
 * Sub::Identify (3pm) - Retrieve names of code references
 * Sub::Override (3pm) - Perl extension for easily overriding subroutines
 * Sub::Quote (3pm) - Efficient generation of subroutines via string eval
 * subgid - the subordinate gid file
 * subpage_prot - define a subpage protection for an address range
 * subscriptions.conf - subscription configuration file for cups
 * subuid - the subordinate uid file
 * sudo - execute a command as another user
 * sudo.conf - configuration for sudo front end
 * sudo_plugin - Sudo Plugin API
 * sudo_root - How to run administrative commands
 * sudoedit - execute a command as another user
 * sudoers - default sudo security policy plugin
 * sudoers_timestamp - Sudoers Time Stamp Format
 * sudoreplay - replay sudo session logs
 * suffixes - list of file suffixes
 * sulogin - single-user login
 * sum - checksum and count the blocks in a file
 * svc_destroy - library routines for remote procedure calls
 * svc_freeargs - library routines for remote procedure calls
 * svc_getargs - library routines for remote procedure calls
 * svc_getcaller - library routines for remote procedure calls
 * svc_getreq - library routines for remote procedure calls
 * svc_getreqset - library routines for remote procedure calls
 * svc_register - library routines for remote procedure calls
 * svc_run - library routines for remote procedure calls
 * svc_sendreply - library routines for remote procedure calls
 * svc_unregister - library routines for remote procedure calls
 * svcerr_auth - library routines for remote procedure calls
 * svcerr_decode - library routines for remote procedure calls
 * svcerr_noproc - library routines for remote procedure calls
 * svcerr_noprog - library routines for remote procedure calls
 * svcerr_progvers - library routines for remote procedure calls
 * svcerr_systemerr - library routines for remote procedure calls
 * svcerr_weakauth - library routines for remote procedure calls
 * svcfd_create - library routines for remote procedure calls
 * svcraw_create - library routines for remote procedure calls
 * svctcp_create - library routines for remote procedure calls
 * svcudp_bufcreate - library routines for remote procedure calls
 * svcudp_create - library routines for remote procedure calls
 * svgpp - pretty-printer for SVG files
 * svipc - System V interprocess communication mechanisms
 * svlc - the VLC media player
 * swab - swap adjacent bytes
 * swapcontext - manipulate user context
 * swaplabel - print or change the label or UUID of a swap area
 * swapoff - start/stop swapping to file/device
 * swapoff - enable/disable devices and files for paging and swapping
 * swapon - start/stop swapping to file/device
 * swapon - enable/disable devices and files for paging and swapping
 * sweep - a sound wave editor
 * switch_root - switch to another filesystem as the root of the mount tree
 * swprintf - formatted wide-character output conversion
 * symlink - make a new name for a file
 * symlink - symbolic link handling
 * symlinkat - make a new name for a file
 * synaptic - graphical management of software packages
 * sync - Synchronize cached writes to persistent storage
 * sync - commit filesystem caches to disk
 * sync-available - sync dpkg's available database with apt's database
 * sync_file_range - sync a file segment with disk
 * sync_file_range2 - sync a file segment with disk
 * syncfs - commit filesystem caches to disk
 * Sys::Hostname::Long (3pm)- Try every conceivable way to get full hostname
 * sys_errlist - print a system error message
 * sys_nerr - print a system error message
 * syscall - indirect system call
 * sysconf - get configuration information at run time
 * sysctl - configure kernel parameters at runtime
 * sysctl.conf - sysctl preload/configuration file
 * sysctl.d - Configure kernel parameters at boot
 * sysfs - get filesystem type information
 * sysfs - a filesystem for exporting kernel objects
 * sysinfo - return system information
 * syslinux - install the SYSLINUX bootloader on a FAT filesystem
 * syslinux-legacy - install the SYSLINUX bootloader on a FAT filesystem
 * syslinux2ansi - converts a syslinux-format screen to pc-ansi
 * syslog - read and/or clear kernel message ring buffer; set console_loglevel
 * syslog - send messages to the system logger
 * system - execute a shell command
 * system-config-printer - configure a CUPS server
 * system-config-printer-applet - print job manager
 * system-tools-backends - message dispatcher for system-tools-backends
 * system.conf.d - System and session service manager configuration files
 * systemctl - Control the systemd system and service manager
 * systemd - systemd system and service manager
 * systemd-analyze - Analyze and debug system manager
 * systemd-ask-password - Query the user for a system password
 * systemd-ask-password-console.path - Query the user for system passwords on the consol...
 * systemd-ask-password-console.service - Query the user for system passwords on the con...
 * systemd-ask-password-wall.path - Query the user for system passwords on the console a...
 * systemd-ask-password-wall.service - Query the user for system passwords on the consol...
 * systemd-backlight - Load and save the display backlight brightness at boot and shutdown
 * systemd-backlight@.service - Load and save the display backlight brightness at boot a...
 * systemd-binfmt - Configure additional binary formats for executables at boot
 * systemd-binfmt.service - Configure additional binary formats for executables at boot
 * systemd-bless-boot - Mark current boot process as successful
 * systemd-bless-boot-generator - Pull systemd-bless-boot.service into the initial boot ...
 * systemd-bless-boot.service - Mark current boot process as successful
 * systemd-boot - A simple UEFI boot manager
 * systemd-boot-check-no-failures - verify that the system booted up cleanly
 * systemd-boot-check-no-failures.service - verify that the system booted up cleanly
 * systemd-boot-system-token.service - Generate an initial boot loader system token and ...
 * systemd-cat - Connect a pipeline or program's output with the journal
 * systemd-cgls - Recursively show control group contents
 * systemd-cgtop - Show top control groups by their resource usage
 * systemd-coredump - Acquire, save and process core dumps
 * systemd-coredump.socket - Acquire, save and process core dumps
 * systemd-coredump@.service - Acquire, save and process core dumps
 * systemd-cryptsetup - Full disk decryption logic
 * systemd-cryptsetup-generator - Unit generator for /etc/crypttab
 * systemd-cryptsetup@.service - Full disk decryption logic
 * systemd-debug-generator - Generator for enabling a runtime debug shell and masking sp...
 * systemd-delta - Find overridden configuration files
 * systemd-detect-virt - Detect execution in a virtualized environment
 * systemd-environment-d-generator - Load variables specified by environment.d
 * systemd-escape - Escape strings for usage in systemd unit names
 * systemd-fsck - File system checker logic
 * systemd-fsck-root.service - File system checker logic
 * systemd-fsck@.service - File system checker logic
 * systemd-fsckd - File system check progress reporting
 * systemd-fsckd.service - File system check progress reporting
 * systemd-fsckd.socket - File system check progress reporting
 * systemd-fstab-generator - Unit generator for /etc/fstab
 * systemd-getty-generator - Generator for enabling getty instances on the console
 * systemd-gpt-auto-generator - Generator for automatically discovering and mounting roo...
 * systemd-growfs - Creating and growing file systems on demand
 * systemd-growfs@.service - Creating and growing file systems on demand
 * systemd-halt.service - System shutdown logic
 * systemd-hibernate-resume - Resume from hibernation
 * systemd-hibernate-resume-generator - Unit generator for resume= kernel parameter
 * systemd-hibernate-resume@.service - Resume from hibernation
 * systemd-hibernate.service - System sleep state logic
 * systemd-hostnamed - Host name bus mechanism
 * systemd-hostnamed.service - Host name bus mechanism
 * systemd-hwdb - hardware database management tool
 * systemd-hybrid-sleep.service - System sleep state logic
 * systemd-id128 - Generate and print sd-128 identifiers
 * systemd-importd - VM and container image import and export service
 * systemd-importd.service - VM and container image import and export service
 * systemd-inhibit - Execute a program with an inhibition lock taken
 * systemd-initctl - /dev/initctl compatibility
 * systemd-initctl.service - /dev/initctl compatibility
 * systemd-initctl.socket - /dev/initctl compatibility
 * systemd-journald-audit.socket - Journal service
 * systemd-journald-dev-log.socket - Journal service
 * systemd-kexec.service - System shutdown logic
 * systemd-localed - Locale bus mechanism
 * systemd-localed.service - Locale bus mechanism
 * systemd-logind - Login manager
 * systemd-logind.service - Login manager
 * systemd-machine-id-commit.service - Commit a transient machine ID to disk
 * systemd-makefs - Creating and growing file systems on demand
 * systemd-makefs@.service - Creating and growing file systems on demand
 * systemd-mkswap@.service - Creating and growing file systems on demand
 * systemd-modules-load - Load kernel modules at boot
 * systemd-modules-load.service - Load kernel modules at boot
 * systemd-mount - Establish and destroy transient mount or auto-mount points
 * systemd-network-generator - Generate network configuration from the kernel command line
 * systemd-network-generator.service - Generate network configuration from the kernel co...
 * systemd-networkd - Network manager
 * systemd-networkd-wait-online - Wait for network to come online
 * systemd-networkd-wait-online.service - Wait for network to come online
 * systemd-networkd.service - Network manager
 * systemd-notify - Notify service manager about start-up completion and other daemon ...
 * systemd-path - List and query system and user paths
 * systemd-poweroff.service - System shutdown logic
 * systemd-pstore - A service to archive contents of pstore
 * systemd-pstore.service - A service to archive contents of pstore
 * systemd-quotacheck - File system quota checker logic
 * systemd-quotacheck.service - File system quota checker logic
 * systemd-random-seed - Load and save the system random seed at boot and shutdown
 * systemd-random-seed.service - Load and save the system random seed at boot and shutdown
 * systemd-rc-local-generator - Compatibility generator for starting /etc/rc.local durin...
 * systemd-reboot.service - System shutdown logic
 * systemd-remount-fs - Remount root and kernel file systems
 * systemd-remount-fs.service - Remount root and kernel file systems
 * systemd-resolved - Network Name Resolution manager
 * systemd-resolved.service - Network Name Resolution manager
 * systemd-rfkill - Load and save the RF kill switch state at boot and change
 * systemd-rfkill.service - Load and save the RF kill switch state at boot and change
 * systemd-rfkill.socket - Load and save the RF kill switch state at boot and change
 * systemd-run - Run programs in transient scope units, service units, or path-, so...
 * systemd-run-generator - Generator for invoking commands specified on the kernel comma...
 * systemd-shutdown - System shutdown logic
 * systemd-sleep - System sleep state logic
 * systemd-sleep.conf - Suspend and hibernation configuration file
 * systemd-socket-activate - Test socket activation of daemons
 * systemd-socket-proxyd - Bidirectionally proxy local sockets to another (possibly remo...
 * systemd-suspend-then-hibernate.service - System sleep state logic
 * systemd-suspend.service - System sleep state logic
 * systemd-sysctl - Configure kernel parameters at boot
 * systemd-sysctl.service - Configure kernel parameters at boot
 * systemd-system-update-generator - Generator for redirecting boot to offline update mode
 * systemd-system.conf - System and session service manager configuration files
 * systemd-sysusers - Allocate system users and groups
 * systemd-sysusers.service - Allocate system users and groups
 * systemd-sysv-generator - Unit generator for SysV init scripts
 * systemd-time-wait-sync - Wait Until Kernel Time Synchronized
 * systemd-time-wait-sync.service - Wait Until Kernel Time Synchronized
 * systemd-timedated - Time and date bus mechanism
 * systemd-timedated.service - Time and date bus mechanism
 * systemd-timesyncd - Network Time Synchronization
 * systemd-timesyncd.service - Network Time Synchronization
 * systemd-tmpfiles - Creates, deletes and cleans up volatile and temporary files and di...
 * systemd-tmpfiles-clean.service - Creates, deletes and cleans up volatile and temporar...
 * systemd-tmpfiles-clean.timer - Creates, deletes and cleans up volatile and temporary ...
 * systemd-tmpfiles-setup-dev.service - Creates, deletes and cleans up volatile and temp...
 * systemd-tmpfiles-setup.service - Creates, deletes and cleans up volatile and temporar...
 * systemd-tty-ask-password-agent - List or process pending systemd password requests
 * systemd-udev-settle.service - Wait for all pending udev events to be handled
 * systemd-udevd - Device event managing daemon
 * systemd-udevd-control.socket - Device event managing daemon
 * systemd-udevd-kernel.socket - Device event managing daemon
 * systemd-udevd.service - Device event managing daemon
 * systemd-umount - Establish and destroy transient mount or auto-mount points
 * systemd-update-utmp - Write audit and utmp updates at bootup, runlevel changes and sh...
 * systemd-update-utmp-runlevel.service - Write audit and utmp updates at bootup, runlev...
 * systemd-update-utmp.service - Write audit and utmp updates at bootup, runlevel change...
 * systemd-user-sessions - Permit user logins after boot, prohibit user logins at shutdown
 * systemd-user-sessions.service - Permit user logins after boot, prohibit user logins a...
 * systemd-user.conf - System and session service manager configuration files
 * systemd-veritysetup - Disk integrity protection logic
 * systemd-veritysetup-generator - Unit generator for integrity protected block devices
 * systemd-veritysetup@.service - Disk integrity protection logic
 * systemd-volatile-root - Make the root file system volatile
 * systemd-volatile-root.service - Make the root file system volatile
 * systemd.automount - Automount unit configuration
 * systemd.device - Device unit configuration
 * systemd.directives - Index of configuration directives
 * systemd.dnssd - DNS-SD configuration
 * systemd.environment-generator - systemd environment file generators
 * systemd.exec - Execution environment configuration
 * systemd.generator - systemd unit generators
 * systemd.index - List all manpages from the systemd project
 * systemd.kill - Process killing procedure configuration
 * systemd.link - Network device configuration
 * systemd.mount - Mount unit configuration
 * systemd.negative - DNSSEC trust anchor configuration files
 * systemd.net-naming-scheme - Network device naming schemes
 * systemd.netdev - Virtual Network Device configuration
 * systemd.network - Network configuration
 * systemd.offline-updates - Implementation of offline updates in systemd
 * systemd.path - Path unit configuration
 * systemd.positive - DNSSEC trust anchor configuration files
 * systemd.preset - Service enablement presets
 * systemd.resource-control - Resource control unit settings
 * systemd.scope - Scope unit configuration
 * systemd.service - Service unit configuration
 * systemd.slice - Slice unit configuration
 * systemd.socket - Socket unit configuration
 * systemd.swap - Swap unit configuration
 * systemd.syntax - General syntax of systemd configuration files
 * systemd.target - Target unit configuration
 * systemd.time - Time and date specifications
 * systemd.timer - Timer unit configuration
 * systemd.unit - Unit configuration
 * sysusers.d - Declarative allocation of system users and groups
 * sysv_signal - signal handling with System V semantics
 * sysvipc - System V interprocess communication mechanisms
 * t1ascii - convert PostScript Type 1 font from binary to ASCII
 * t1asm - assemble PostScript Type 1 font
 * t1binary - convert PostScript Type 1 font from ASCII to binary
 * t1disasm - disassemble PostScript Type 1 font
 * t1mac - translate a PFA or PFB PostScript Type 1 font into Macintosh format
 * t1unmac - translate a Mac PostScript Type 1 font into PFA or PFB format
 * tac - concatenate and print files in reverse
 * tail - output the last part of files
 * TAILQ_CONCAT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FOREACH_REVERSE - implementations of singly-linked lists, singly-linked tail qu...
 * TAILQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail q...
 * TAILQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queue...
 * TAILQ_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail queu...
 * TAILQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * TAILQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queues...
 * TAILQ_LAST - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_PREV - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_SWAP - implementations of singly-linked lists, singly-linked tail queues,...
 * tan - tangent function
 * tanf - tangent function
 * tanh - hyperbolic tangent function
 * tanhf - hyperbolic tangent function
 * tanhl - hyperbolic tangent function
 * tanl - tangent function
 * tar - an archiving utility
 * tarcat - concatenates the pieces of a GNU tar multi-volume archive
 * taskset - set or retrieve a process's CPU affinity
 * tc-tbf - Token Bucket Filter
 * tbl - format tables for troff
 * tbl-dctrl - generate tabular representations of data in dctrl format
 * tc - show / manipulate traffic control settings
 * tc-actions - independently defined actions in tc
 * tc-basic - basic traffic control filter
 * tc-bfifo - Packet limited First In, First Out queue
 * tc-bpf - BPF programmable classifier and actions for ingress/egress queuein...
 * tc-cake - Common Applications Kept Enhanced (CAKE)
 * tc-cbq - Class Based Queueing
 * tc-cbq-details - Class Based Queueing
 * tc-cbs - Credit Based Shaper (CBS) Qdisc
 * tc-choke - choose and keep scheduler
 * tc-codel - Controlled-Delay Active Queue Management algorithm
 * tc-ctinfo - tc connmark processing action
 * tc-drr - deficit round robin scheduler
 * tc-etf - Earliest TxTime First (ETF) Qdisc
 * tc-flow - flow based traffic control filter
 * tc-flower - flow based traffic control filter
 * tc-fq - Fair Queue traffic policing
 * tc-fq_codel - Fair Queuing (FQ) with Controlled Delay (CoDel)
 * tc-fw - fwmark traffic control filter
 * tc-hfsc - Hierarchical Fair Service Curve
 * tc-hfsc - Hierarchical Fair Service Curve's control under linux
 * tc-htb - Hierarchy Token Bucket
 * tc-ife - encapsulate/decapsulate metadata
 * tc-mpls - mpls manipulation module
 * tc-mqprio - Multiqueue Priority Qdisc (Offloaded Hardware QOS)
 * tc-netem - Network Emulator
 * tc-pfifo_fast - three-band first in, first out queue
 * tc-pie - Proportional Integral controller-Enhanced AQM algorithm
 * tc-police - policing action
 * tc-prio - Priority qdisc
 * tc-route - route traffic control filter
 * tc-sfb - Stochastic Fair Blue
 * tc-sfq - Stochastic Fairness Queueing
 * tc-simple - basic example action
 * tc-skbmod - user-friendly packet editor action
 * tc-stab - Generic size table manipulations
 * tc-tcindex - traffic control index filter
 * tc-tunnel_key - Tunnel metadata manipulation
 * tc-u32 - universal 32bit traffic control filter
 * tc-vlan - vlan manipulation module
 * tcdrain - get and set terminal attributes, line control, get and set baud rate
 * tcflow - get and set terminal attributes, line control, get and set baud rate
 * tcflush - get and set terminal attributes, line control, get and set baud rate
 * tcgetattr - get and set terminal attributes, line control, get and set baud rate
 * tcgetpgrp - get and set terminal foreground process group
 * tcgetsid - get session ID
 * tcp_table - Postfix client/server table lookup protocol
 * tcpdump - dump traffic on a network
 * tcsendbreak - get and set terminal attributes, line control, get and set baud rate
 * tcsetattr - get and set terminal attributes, line control, get and set baud rate
 * tcsetpgrp - get and set terminal foreground process group
 * tdelete - manage a binary search tree
 * tdestroy - manage a binary search tree
 * tee - read from standard input and write to standard output and files
 * tee - duplicating pipe content
 * telinit - Change SysV runlevel
 * telldir - return current location in directory stream
 * telnet - user interface to the TELNET protocol
 * telnet.netkit - user interface to the TELNET protocol
 * tempfile - create a temporary file in a safe manner
 * tempnam - create a name for a temporary file
 * term - format of compiled term file.
 * term - conventions for naming terminal types
 * Term::ReadLine::Gnu (3pm)- Perl extension for the GNU Readline/History Library
 * termcap - terminal capability database
 * terminal-colors.d - Configure output colorization for various utilities
 * terminfo - terminal capability data base
 * termio - System V terminal driver interface
 * termios - get and set terminal attributes, line control, get and set baud rate
 * test - check file types and compare values
 * Test::Future (3pm) - unit test assertions for Future instances
 * Test::Future::AsyncAwait::Awaitable (3pm)- conformance tests for awaitable role API
 * Test::Lintian -- Check Lintian files for issues
 * Test::Lintian::Build -- routines to prepare the work directories
 * Test::Lintian::ConfigFile -- generic helper routines for colon-delimited configurati...
 * Test::Lintian::Filter -- Functions to select with tests to run
 * Test::Lintian::Helper -- Helper functions for various testing parts
 * Test::Lintian::Hooks -- hook routines for the test runners
 * Test::Lintian::Prepare -- routines to prepare the work directories
 * Test::Lintian::Run -- generic runner for all suites
 * Test::Lintian::Templates -- Helper routines dealing with templates
 * Test::Mojo (3pm) - Testing Mojo
 * Test::ScriptAge -- routines relating to the age of Perl scripts
 * Test::StagedFileProducer -- mtime-based file production engine
 * Test::TypeTiny (3pm)- useful functions for testing the efficacy of type constraints
 * testparm - check an smb.conf configuration file for internal correctness
 * Text::CharWidth (3pm)- Get number of occupied columns of a string on terminal
 * Text::Glob (3pm) - match globbing patterns against text
 * Text::Iconv (3pm) - Perl interface to iconv codeset conversion function
 * Text::Levenshtein (3pm)- calculate the Levenshtein edit distance between two strings
 * Text::WrapI18N (3pm)- Line wrapping module with support for multibyte, fullwidth, and co...
 * textdomain - set domain for future gettext calls
 * tfind - manage a binary search tree
 * tgamma - true gamma function
 * tgammaf - true gamma function
 * tgammal - true gamma function
 * tgatoppm - convert TrueVision Targa file into a portable pixmap
 * tgkill - send a signal to a thread
 * tgz - makes a gzip'd tar archive
 * thermal-conf.xml - Configuration file for thermal daemon
 * thermald - start Linux thermal daemon
 * thinkjettopbm - convert HP ThinkJet printer commands file to PBM
 * thread-keyring - per-thread keyring
 * thunderbird - thunderbird- Mail User Agent (MUA) and newsgroup/RSS client for X...
 * tic - the terminfo entry-description compiler
 * Tie::IxHash (3pm) - ordered associative arrays for Perl
 * tifftopnm - convert a TIFF file into a portable anymap
 * tificc - little cms ICC profile applier for TIFF.
 * time - run programs and summarize system resource usage
 * time - get time in seconds
 * time (3am) - time functions for gawk
 * time - overview of time and timers
 * time.conf - configuration file for the pam_time module
 * Time::Duration (3pm)- rounded or exact English expression of durations
 * Time::Zone (3pm) -- miscellaneous timezone manipulations routines
 * timedatectl - Control the system time and date
 * timegm - inverses of gmtime and localtime
 * timelocal - inverses of gmtime and localtime
 * timeout - run a command with a time limit
 * timer_create - create a POSIX per-process timer
 * timer_delete - delete a POSIX per-process timer
 * timer_getoverrun - get overrun count for a POSIX per-process timer
 * timer_gettime - arm/disarm and fetch state of POSIX per-process timer
 * timer_settime - arm/disarm and fetch state of POSIX per-process timer
 * timeradd - timeval operations
 * timerclear - timeval operations
 * timercmp - timeval operations
 * timerfd_create - timers that notify via file descriptors
 * timerfd_gettime - timers that notify via file descriptors
 * timerfd_settime - timers that notify via file descriptors
 * timerisset - timeval operations
 * timersub - timeval operations
 * times - get process times
 * timesyncd.conf - Network Time Synchronization configuration files
 * timesyncd.conf.d - Network Time Synchronization configuration files
 * timezone - initialize time conversion information
 * tipc - a TIPC configuration and management tool
 * tipc-bearer - show or modify TIPC bearers
 * tipc-link - show links or modify link properties
 * tipc-media - list or modify media properties
 * tipc-node - modify and show local node parameters or list peer nodes
 * tipc-peer - modify peer information
 * tipc-socket - show TIPC socket (port) information
 * tis-620 - ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
 * tkill - send a signal to a thread
 * tldr - manual page for tldr 0.4.0.1
 * tldr-hs - manual page for tldr 0.4.0.1
 * tload - graphic representation of system load average
 * tlsmgr (8postfix) - Postfix TLS session cache and PRNG manager
 * tmpfile - create a temporary file
 * tmpfiles.d - Configuration for creation, deletion and cleaning of volatile and ...
 * tmpnam - create a name for a temporary file
 * tmpnam_r - create a name for a temporary file
 * toascii - convert character to ASCII
 * toe - table of (terminfo) entries
 * toilet - display large colourful characters
 * tolower - convert uppercase or lowercase
 * tolower_l - convert uppercase or lowercase
 * top - display Linux processes
 * touch - change file timestamps
 * toupper - convert uppercase or lowercase
 * toupper_l - convert uppercase or lowercase
 * towctrans - wide-character transliteration
 * towlower - convert a wide character to lowercase
 * towlower_l - convert a wide character to lowercase
 * towupper - convert a wide character to uppercase
 * towupper_l - convert a wide character to uppercase
 * tput - initialize a terminal or query terminfo database
 * tr - translate or delete characters
 * trace (8postfix) - Postfix delivery status reports
 * tracepath - traces path to a network host discovering MTU along this path
 * traceroute6 - traces path to a network host
 * traceroute6.iputils - traces path to a network host
 * transform - apply geometric transformations to the input.
 * transicc - little cms ColorSpace conversion calculator.
 * transmission-gtk - a bittorrent client
 * transport - Postfix transport table format
 * transset - Set transparency on a window
 * tred - transitive reduction filter for directed graphs
 * trivial-rewrite (8postfix)- Postfix address rewriting and resolving daemon
 * troff - the troff processor of the groff text formatting system
 * true - do nothing, successfully
 * trunc - round to integer, toward zero
 * truncate - shrink or extend the size of a file to the specified size
 * truncate - truncate a file to a specified length
 * truncate64 - truncate a file to a specified length
 * truncf - round to integer, toward zero
 * truncl - round to integer, toward zero
 * trust - Tool for operating on the trust policy store
 * Try::Tiny (3pm) - Minimal try/catch with proper preservation of $@
 * ts (1ssl) - Time Stamping Authority tool (client/server)
 * tsearch - manage a binary search tree
 * tset - terminal initialization
 * tsget (1ssl) - Time Stamping HTTP/HTTPS client
 * tsort - perform topological sort
 * ttf2svg - font converter for SVG
 * tty - print the file name of the terminal connected to standard input
 * tty - controlling terminal
 * tty_ioctl - ioctls for terminals and serial lines
 * ttyslot - find the slot of the current user's terminal in some file
 * ttytype - terminal device to default terminal type mapping
 * tune2fs - adjust tunable filesystem parameters on ext2/ext3/ext4 filesystems
 * tuxcall - unimplemented system calls
 * twalk - manage a binary search tree
 * twalk_r - manage a binary search tree
 * twopi - filter for radial layouts of graphs
 * Type::Coercion (3pm)- a set of coercions to a particular target type constraint
 * Type::Coercion::FromMoose (3pm)- a set of coercions borrowed from Moose
 * Type::Coercion::Union (3pm)- a set of coercions to a union type constraint
 * Type::Library (3pm) - tiny, yet Moo(se)-compatible type libraries
 * Type::Params (3pm) - Params::Validate-like parameter validation using Type::Tiny type c...
 * Type::Parser (3pm) - parse type constraint strings
 * Type::Registry (3pm)- a glorified hashref for looking up type constraints
 * Type::Tiny (3pm) - tiny, yet Moo(se)-compatible type constraint
 * Type::Tiny::_HalfOp (3pm)- half-completed overloaded operation
 * Type::Tiny::Class (3pm)- type constraints based on the "isa" method
 * Type::Tiny::ConstrainedObject (3pm)- shared behavour for Type::Tiny::Class, etc
 * Type::Tiny::Duck (3pm)- type constraints based on the "can" method
 * Type::Tiny::Enum (3pm)- string enum type constraints
 * Type::Tiny::Intersection (3pm)- intersection type constraints
 * Type::Tiny::Manual (3pm)- an overview of Type::Tiny
 * Type::Tiny::Manual::AllTypes (3pm)- alphabetical list of all type constraints bundled wi...
 * Type::Tiny::Manual::Coercions (3pm)- advanced information on coercions
 * Type::Tiny::Manual::Contributing (3pm)- contributing to Type::Tiny development.
 * Type::Tiny::Manual::Installation (3pm)- how to install Type::Tiny
 * Type::Tiny::Manual::Libraries (3pm)- defining your own type libraries
 * Type::Tiny::Manual::NonOO (3pm)- Type::Tiny in non-object-oriented code
 * Type::Tiny::Manual::Optimization (3pm)- squeeze the most out of your CPU
 * Type::Tiny::Manual::Params (3pm)- advanced information on Type::Params
 * Type::Tiny::Manual::Policies (3pm)- Type::Tiny policies
 * Type::Tiny::Manual::UsingWithClassTiny (3pm)- use of Type::Tiny with Class::Tiny
 * Type::Tiny::Manual::UsingWithMoo (3pm)- basic use of Type::Tiny with Moo
 * Type::Tiny::Manual::UsingWithMoo2 (3pm)- advanced use of Type::Tiny with Moo
 * Type::Tiny::Manual::UsingWithMoo3 (3pm)- alternative use of Type::Tiny with Moo
 * Type::Tiny::Manual::UsingWithMoose (3pm)- how to use Type::Tiny with Moose
 * Type::Tiny::Manual::UsingWithMouse (3pm)- how to use Type::Tiny with Mouse
 * Type::Tiny::Manual::UsingWithOther (3pm)- using Type::Tiny with Class::InsideOut, Params...
 * Type::Tiny::Manual::UsingWithTestMore (3pm)- Type::Tiny for test suites
 * Type::Tiny::Role (3pm)- type constraints based on the "DOES" method
 * Type::Tiny::Union (3pm)- union type constraints
 * Type::Utils (3pm) - utility functions to make defining and using type constraints a li...
 * Types::Common::Numeric (3pm)- drop-in replacement for MooseX::Types::Common::Numeric
 * Types::Common::String (3pm)- drop-in replacement for MooseX::Types::Common::String
 * Types::Standard (3pm)- bundled set of built-in types for Type::Tiny
 * Types::Standard::ArrayRef (3pm)- internals for the Types::Standard ArrayRef type constraint
 * Types::Standard::CycleTuple (3pm)- internals for the Types::Standard CycleTuple type con...
 * Types::Standard::Dict (3pm)- internals for the Types::Standard Dict type constraint
 * Types::Standard::HashRef (3pm)- internals for the Types::Standard HashRef type constraint
 * Types::Standard::Map (3pm)- internals for the Types::Standard Map type constraint
 * Types::Standard::ScalarRef (3pm)- internals for the Types::Standard ScalarRef type const...
 * Types::Standard::StrMatch (3pm)- internals for the Types::Standard StrMatch type constraint
 * Types::Standard::Tied (3pm)- internals for the Types::Standard Tied type constraint
 * Types::Standard::Tuple (3pm)- internals for the Types::Standard Tuple type constraint
 * Types::TypeTiny (3pm)- type constraints used internally by Type::Tiny
 * tzfile - timezone information
 * tzname - initialize time conversion information
 * tzset - initialize time conversion information
 * ua - Manage Ubuntu Advantage services from Canonical
 * ualarm - schedule signal after given number of microseconds
 * ubuntu-advantage - Manage Ubuntu Advantage services from Canonical
 * ucf - Update Configuration File: preserve user changes in configuration ...
 * ucf.conf - site-wide configuration file for ucf
 * ucfq - query the ucf database
 * ucfr - Update Configuration File Registry: associate packages with config...
 * ucs2any - generate BDF fonts containing subsets of ISO 10646-1 codepoints
 * udev - Dynamic device management
 * udev.conf - Configuration for device event managing daemon
 * udevadm - udev management tool
 * udisks - Disk Manager
 * udisks2.conf - The udisks2 configuration file
 * udisksctl - The udisks command line tool
 * udisksd - The udisks system daemon
 * udp - User Datagram Protocol for IPv4
 * udplite - Lightweight User Datagram Protocol
 * ufw - program for managing a netfilter firewall
 * ufw-framework - using the ufw framework
 * ugetrlimit - get/set resource limits
 * ul - do underlining
 * ulckpwdf - get shadow password file entry
 * ulimit - get and set user limits
 * ulockmgr_server - Lock Manager Server for FUSE filesystems
 * umask - set file mode creation mask
 * umax_pp - SANE backend for Umax Astra parallel port flatbed scanners
 * umount - unmount filesystem
 * umount - unmount file systems
 * umount.ecryptfs_private - eCryptfs private unmount helper.
 * umount.udisks2 - unmount file systems that have been mounted by UDisks2
 * umount2 - unmount filesystem
 * uname - print system information
 * uname - get name and information about current kernel
 * uncompress - compress or expand files
 * undocumented - undocumented library functions
 * unexpand - convert spaces to tabs
 * unflatten - adjust directed graphs to improve layout aspect ratio
 * ungetc - input of characters and strings
 * ungetwc - push back a wide character onto a FILE stream
 * Unicode::UTF8 (3pm) - Encoding and decoding of UTF-8 encoding form
 * unicode_start - put keyboard and console in unicode mode
 * unicode_stop - revert keyboard and console from unicode mode
 * unimplemented - unimplemented system calls
 * uniq - report or omit repeated lines
 * units - decimal and binary prefixes
 * unix - sockets for local interprocess communication
 * unix_chkpwd - Helper binary that verifies the password of the current user
 * unix_update - Helper binary that updates the password of a given user
 * unlink - call the unlink function to remove the specified file
 * unlink - delete a name and possibly the file it refers to
 * unlinkat - delete a name and possibly the file it refers to
 * unlocked_stdio - nonlocking stdio functions
 * unlz4 - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * unlzma - Compress or decompress .xz and .lzma files
 * unmkinitramfs - extract content from an initramfs image
 * unopkg - LibreOffice Extension Manager
 * unpack200 - Transforms a packed file produced by pack200 into a JAR file fo...
 * unrar - extract files from rar archives
 * unrar-nonfree - extract files from rar archives
 * unsetenv - change or add an environment variable
 * unshare - run program with some namespaces unshared from parent
 * unshare - disassociate parts of the process execution context
 * unshield - extract CAB files from an InstallShield installer archive
 * unsquashfs - tool to uncompress squashfs filesystems
 * unwrapdiff - demangle word-wrapped patches
 * unxz - Compress or decompress .xz and .lzma files
 * unzip - list, test and extract compressed files in a ZIP archive
 * unzipsfx - self-extracting stub for prepending to ZIP archives
 * update-alternatives - maintain symbolic links determining default commands
 * update-binfmts - maintain registry of executable binary formats
 * update-ca-certificates - update /etc/ssl/certs and ca-certificates.crt
 * update-catalog - create or update entry in SGML catalog file
 * update-cracklib - Regenerate cracklib dictionary
 * update-default-aspell - rebuild aspell database and emacsen stuff
 * update-default-ispell - update default ispell dictionary
 * update-default-wordlist - update default wordlist
 * update-desktop-database - Build cache database of MIME types handled by desktop files
 * update-dictcommon-aspell - rebuild aspell database and emacsen stuff
 * update-dictcommon-hunspell - rebuild hunspell database and emacsen stuff
 * update-fonts-alias - compile fonts.alias files
 * update-fonts-dir - compile fonts.dir files
 * update-fonts-scale - generate fonts.scale files
 * update-grub - stub for grub-mkconfig
 * update-grub-gfxpayload - update /boot/grub/gfxblacklist.txt
 * update-grub2 - stub for grub-mkconfig
 * update-icon-caches - Update wrapper script for the icon caches
 * update-inetd - create, remove, enable or disable entry /etc/inetd.conf
 * update-info-dir - update or create index file from all installed info files in direc...
 * update-initramfs - generate an initramfs image
 * update-initramfs.conf - configuration file for update-initramfs
 * update-java-alternatives - update alternatives for jre/sdk installations
 * update-locale - Modify global locale settings
 * update-mime - create or update MIME information
 * update-mime-database - a program to build the Shared MIME-Info database cache
 * update-motd - dynamic MOTD generation
 * update-passwd - safely update /etc/passwd, /etc/shadow and /etc/group
 * update-pciids - download new version of the PCI ID list
 * update-perl-sax-parsers - (de)register Perl SAX parser modules
 * update-rc.d - install and remove System-V style init script links
 * update-xmlcatalog - maintain XML catalog files
 * updatedb - update a database for mlocate
 * updatedb.mlocate - update a database for mlocate
 * updwtmp - append an entry to the wtmp file
 * updwtmpx - append an entry to the wtmp file
 * upower - UPower command line tool
 * upowerd - UPower Daemon
 * uptime - Tell how long the system has been running.
 * urandom - kernel random number source devices
 * uri - uniform resource identifier (URI), including a URL or URN
 * URI::_punycode (3pm)- encodes Unicode string in Punycode
 * URI::data (3pm) - URI that contains immediate data
 * URI::Escape (3pm) - Percent-encode and percent-decode unsafe characters
 * URI::file (3pm) - URI that maps to local file names
 * URI::Heuristic (3pm)- Expand URI using heuristics
 * URI::ldap (3pm) - LDAP Uniform Resource Locators
 * URI::QueryParam (3pm)- Additional query methods for URIs
 * URI::Split (3pm) - Parse and compose URI strings
 * URI::URL (3pm) - Uniform Resource Locators
 * URI::WithBase (3pm) - URIs which remember their base
 * url - uniform resource identifier (URI), including a URL or URN
 * urn - uniform resource identifier (URI), including a URL or URN
 * usb_modeswitch - control the mode of 'multi-state' USB devices
 * usb_modeswitch_dispatcher - Linux wrapper for usb_modeswitch (not intended for direct...
 * usbhid-dump - dump USB HID device report descriptors and streams
 * usbmuxd - Expose a socket to multiplex connections from and to iOS devices.
 * uselib - load shared library
 * uselocale - set/get the locale for the calling thread
 * user-dirs.conf - configuration for xdg-user-dirs-update
 * user-dirs.defaults - default settings for XDG user dirs
 * user-dirs.dirs - settings for XDG user dirs
 * user-keyring - per-user keyring
 * user-runtime-dir@.service - System units to manage user processes
 * user-session-keyring - per-user default session keyring
 * user.conf.d - System and session service manager configuration files
 * user@.service - System units to manage user processes
 * user_caps - user-defined terminfo capabilities
 * user_namespaces - overview of Linux user namespaces
 * useradd - create a new user or update default new user information
 * userdel - delete a user account and related files
 * userfaultfd - create a file descriptor for handling page faults in user space
 * usermod - modify a user account
 * users - print the user names of users currently logged in to the current host
 * usleep - suspend execution for microsecond intervals
 * ustat - get filesystem statistics
 * utf-8 - an ASCII compatible multibyte Unicode encoding
 * utf8 - an ASCII compatible multibyte Unicode encoding
 * utime - change file last access and modification times
 * utimensat - change file timestamps with nanosecond precision
 * utimes - change file last access and modification times
 * utmp - login records
 * utmpdump - dump UTMP and WTMP files in raw format
 * utmpname - access utmp file entries
 * utmpx - login records
 * utmpxname - access utmp file entries
 * uts_namespaces - overview of Linux UTS namespaces
 * UUID (3pm) - DCE compatible Universally Unique Identifier library for Perl
 * uuidd - UUID generation daemon
 * uuidgen - create a new UUID value
 * uuidparse - a utility to parse unique identifiers
 * uz - gunzips and extracts a gzip'd tar'd archive
 * va_arg - variable argument lists
 * va_copy - variable argument lists
 * va_end - variable argument lists
 * va_start - variable argument lists
 * validlocale - Test if a given locale is available
 * valloc - allocate aligned memory
 * Variable::Magic (3pm)- Associate user-defined magic to variables from Perl.
 * variables - Format of specifying variable names to SNMP tools.
 * vasprintf - print to allocated string
 * vboxheadless - x86 virtualization solution
 * vboxmanage - x86 virtualization solution
 * vboxsdl - x86 virtualization solution
 * vboxwebsrv - x86 virtualization solution
 * vcs - virtual console memory
 * vcsa - virtual console memory
 * vcstime - Show time in upper right hand corner of the console screen
 * vcut - cuts Ogg Vorbis files
 * vdir - list directory contents
 * vdprintf - formatted output conversion
 * vdso - overview of the virtual ELF dynamic shared object
 * verify (1ssl) - Utility to verify certificates
 * verify (8postfix) - Postfix address verification server
 * veritysetup - manage dm-verity (block level verification) volumes
 * verr - formatted error messages
 * verrx - formatted error messages
 * version (1ssl) - print OpenSSL version information
 * versionsort - scan a directory for matching entries
 * vesa - Generic VESA video driver
 * vfork - create a child process and block parent
 * vfprintf - formatted output conversion
 * vfscanf - input format conversion
 * vfwprintf - formatted wide-character output conversion
 * vgcfgbackup - Backup volume group configuration
 * vgcfgrestore - Restore volume group configuration
 * vgchange - Change volume group attributes
 * vgck - Check the consistency of volume group
 * vgconvert - Change volume group metadata format
 * vgcreate - Create a volume group
 * vgdisplay - Display volume group information
 * vgexport - Unregister volume group from the system
 * vgextend - Add physical volumes to a volume group
 * vgimport - Register exported volume group with system
 * vgimportclone - Import a VG from cloned PVs
 * vgmerge - Merge volume groups
 * vgmknodes - Create the special files for volume group devices in /dev
 * vgreduce - Remove physical volume from a volume group
 * vgremove - Remove volume group
 * vgrename - Rename a volume group
 * vgs - Display information about volume groups
 * vgscan - Search for all volume groups
 * vgsplit - Move physical volumes into a new or existing volume group
 * vhangup - virtually hangup the current terminal
 * vi - Vi IMproved, a programmer's text editor
 * vidir - edit directories and filenames
 * view - Vi IMproved, a programmer's text editor
 * viewres - graphical class browser for Xt
 * vigr - edit the password, group, shadow-password or shadow-group file
 * vim - Vi IMproved, a programmer's text editor
 * vimdiff - edit two, three or four versions of a file with Vim and show diffe...
 * vimdot - Combined text editor and dot viewer
 * vipe - edit pipe
 * vipw - edit the password, group, shadow-password or shadow-group file
 * virtual - Postfix virtual alias table format
 * virtual (8postfix) - Postfix virtual domain mail delivery agent
 * virtualbox - x86 virtualization solution
 * visudo - edit the sudoers file
 * vlc - the VLC media player
 * vlc-wrapper - a wrapper to drop privileges with VLC
 * vlimit - get/set resource limits
 * vm86 - enter virtual 8086 mode
 * vm86old - enter virtual 8086 mode
 * vmsplice - splice user pages to/from a pipe
 * vmstat - Report virtual memory statistics
 * vmware - VMware SVGA video driver
 * vorbiscomment - List or edit comments in Ogg Vorbis files
 * vorbistagedit - allows batch editing of vorbis comments with an editor
 * vprintf - formatted output conversion
 * vscanf - input format conversion
 * vserver - unimplemented system calls
 * vsnprintf - formatted output conversion
 * vsock - Linux VSOCK address family
 * vsprintf - formatted output conversion
 * vsscanf - input format conversion
 * vstp - VisioBraille file transferring
 * vswprintf - formatted wide-character output conversion
 * vsyslog - send messages to the system logger
 * vtimes - get resource usage
 * vwarn - formatted error messages
 * vwarnx - formatted error messages
 * vwprintf - formatted wide-character output conversion
 * w - Show who is logged on and what they are doing.
 * w.procps - Show who is logged on and what they are doing.
 * w3m - a text based web browser and pager
 * w3mman - an interface to the on-line reference manuals via w3m
 * wait - wait for process to change state
 * wait3 - wait for process to change state, BSD style
 * wait4 - wait for process to change state, BSD style
 * waitid - wait for process to change state
 * waitpid - wait for process to change state
 * wall - write a message to all users
 * warn - formatted error messages
 * warnx - formatted error messages
 * watch - execute a program periodically, showing output fullscreen
 * watchgnupg - Read and print logs from a socket
 * wavelan - AT&T GIS WaveLAN ISA device driver
 * wbmptopbm - convert a wireless bitmap (wbmp) file to a portable bitmap (pbm)
 * wc - print newline, word, and byte counts for each file
 * wcpcpy - copy a wide-character string, returning a pointer to its end
 * wcpncpy - copy a fixed-size string of wide characters, returning a pointer t...
 * wcscasecmp - compare two wide-character strings, ignoring case
 * wcscat - concatenate two wide-character strings
 * wcschr - search a wide character in a wide-character string
 * wcscmp - compare two wide-character strings
 * wcscpy - copy a wide-character string
 * wcscspn - search a wide-character string for any of a set of wide characters
 * wcsdup - duplicate a wide-character string
 * wcslen - determine the length of a wide-character string
 * wcsncasecmp - compare two fixed-size wide-character strings, ignoring case
 * wcsncat - concatenate two wide-character strings
 * wcsncmp - compare two fixed-size wide-character strings
 * wcsncpy - copy a fixed-size string of wide characters
 * wcsnlen - determine the length of a fixed-size wide-character string
 * wcsnrtombs - convert a wide-character string to a multibyte string
 * wcspbrk - search a wide-character string for any of a set of wide characters
 * wcsrchr - search a wide character in a wide-character string
 * wcsrtombs - convert a wide-character string to a multibyte string
 * wcsspn - advance in a wide-character string, skipping any of a set of wide ...
 * wcsstr - locate a substring in a wide-character string
 * wcstoimax - convert wide-character string to integer
 * wcstok - split wide-character string into tokens
 * wcstombs - convert a wide-character string to a multibyte string
 * wcstoumax - convert wide-character string to integer
 * wcswidth - determine columns needed for a fixed-size wide-character string
 * wctob - try to represent a wide character as a single byte
 * wctrans - wide-character translation mapping
 * wctype - wide-character classification
 * wcwidth - determine columns needed for a wide character
 * wdctl - show hardware watchdog status
 * web2disk - web2disk
 * whatis - display one-line manual page descriptions
 * whereis - locate the binary, source, and manual page files for a command
 * which - locate a command
 * whiptail - display dialog boxes from shell scripts
 * who - show who is logged on
 * whoami - print effective userid
 * wine - run Windows programs on Unix
 * wine-stable - run Windows programs on Unix
 * wine64 - run Windows programs on Unix
 * wine64-stable - run Windows programs on Unix
 * wineboot - perform Wine initialization, startup, and shutdown tasks
 * wineboot-stable - perform Wine initialization, startup, and shutdown tasks
 * winecfg - Wine Configuration Editor
 * winecfg-stable - Wine Configuration Editor
 * wineconsole - The Wine console
 * wineconsole-stable - The Wine console
 * winedbg - Wine debugger
 * winedbg-stable - Wine debugger
 * winefile - Wine File Manager
 * winefile-stable - Wine File Manager
 * winepath - Tool to convert Unix paths to/from Win32 paths
 * winepath-stable - Tool to convert Unix paths to/from Win32 paths
 * winicontoppm - convert a Windows .ico file into 1 or more portable pixmap files
 * wipefs - wipe a signature from a device
 * wireless - Wireless Tools and Wireless Extensions
 * wmctrl - interact with a EWMH/NetWM compatible X Window Manager.
 * wmemchr - search a wide character in a wide-character array
 * wmemcpy - copy an array of wide-characters
 * wmemmove - copy an array of wide-characters
 * wmemset - fill an array of wide-characters with a constant wide character
 * wodim - write data to optical disk media
 * word-list-compress - word list compressor/decompressor for GNU Aspell
 * wordexp - perform word expansion like a posix-shell
 * wordfree - perform word expansion like a posix-shell
 * wordgrinder - console-based word processor
 * wp-setup - wordpress setup for Debian
 * wpa_action - wpa_cli action script
 * wpa_background - Background information on Wi-Fi Protected Access and IEEE 802.11i
 * wpa_cli - WPA command line client
 * wpa_passphrase - Generate a WPA PSK from an ASCII passphrase for a SSID
 * wpa_supplicant - Wi-Fi Protected Access client and IEEE 802.1X supplicant
 * wpa_supplicant.conf - configuration file for wpa_supplicant
 * wprintf - formatted wide-character output conversion
 * write - send a message to another user
 * write - write to a file descriptor
 * writev - read or write data into multiple buffers
 * wrjpgcom - insert text comments into a JPEG file
 * wtmp - login records
 * www-browser - a text based web browser and pager
 * WWW::RobotRules (3pm)- database of robots.txt-derived permissions
 * WWW::RobotRules::AnyDBM_File (3pm)- Persistent RobotRules
 * X - a portable, network-transparent window system
 * x-terminal-emulator - is a terminal emulation application.
 * x-window-manager - minimal GTK3 Window Manager
 * XProjectTeam - X.Org Group information
 * X11::Auth (3pm) - Perl module to read X11 authority files
 * X11::Protocol::Connection (3pm)- Perl module abstract base class for X11 client to serve...
 * X11::Protocol::Connection::FileHandle (3pm)- Perl module base class for FileHandle-based...
 * X11::Protocol::Connection::INETFH (3pm)- Perl module for FileHandle-based TCP/IP X11 con...
 * X11::Protocol::Connection::INETSocket (3pm)- Perl module for IO::Socket::INET-based X11 ...
 * X11::Protocol::Connection::Socket (3pm)- Perl module base class for IO::Socket-based X11...
 * X11::Protocol::Connection::UNIXFH (3pm)- Perl module for FileHandle-based Unix-domain X1...
 * X11::Protocol::Connection::UNIXSocket (3pm)- Perl module for IO::Socket::UNIX-based X11 ...
 * X11::Protocol::Ext::BIG_REQUESTS (3pm)- Perl module for the X11 protocol Big Requests ex...
 * X11::Protocol::Ext::RENDER (3pm)- Perl module for the X Rendering Extension
 * X11::Protocol::Ext::SHAPE (3pm)- Perl module for the X11 Protocol Nonrectangular Window ...
 * x11perf - X11 server performance test program
 * x11perfcomp - X11 server performance comparison program
 * x25 - ITU-T X.25 / ISO-8208 protocol interface.
 * X25519 (7ssl) - EVP_PKEY X25519 and X448 support
 * X448 (7ssl) - EVP_PKEY X25519 and X448 support
 * x509 (1ssl) - Certificate display and signing utility
 * x509 (7ssl) - X.509 certificate handling
 * x509v3_config (5ssl)- X509 V3 certificate extension configuration format
 * x86_64 - change reported architecture in new program environment and/or set...
 * x86_64-linux-gnu-addr2line - convert addresses into file names and line numbers
 * x86_64-linux-gnu-ar - create, modify, and extract from archives
 * x86_64-linux-gnu-as - the portable GNU assembler.
 * x86_64-linux-gnu-c++filt - demangle C++ and Java symbols
 * x86_64-linux-gnu-cpp - The C Preprocessor
 * x86_64-linux-gnu-cpp-9 - The C Preprocessor
 * x86_64-linux-gnu-dwp - The DWARF packaging utility
 * x86_64-linux-gnu-elfedit - update ELF header and program property of ELF files
 * x86_64-linux-gnu-g++ - GNU project C and C++ compiler
 * x86_64-linux-gnu-g++-9 - GNU project C and C++ compiler
 * x86_64-linux-gnu-gcc - GNU project C and C++ compiler
 * x86_64-linux-gnu-gcc-9 - GNU project C and C++ compiler
 * x86_64-linux-gnu-gcc-ar - a wrapper around ar adding the--plugin option
 * x86_64-linux-gnu-gcc-ar-9 - a wrapper around ar adding the--plugin option
 * x86_64-linux-gnu-gcc-nm - a wrapper around nm adding the--plugin option
 * x86_64-linux-gnu-gcc-nm-9 - a wrapper around nm adding the--plugin option
 * x86_64-linux-gnu-gcc-ranlib - a wrapper around ranlib adding the--plugin option
 * x86_64-linux-gnu-gcc-ranlib-9 - a wrapper around ranlib adding the--plugin option
 * x86_64-linux-gnu-gcov - coverage testing tool
 * x86_64-linux-gnu-gcov-9 - coverage testing tool
 * x86_64-linux-gnu-gcov-dump - offline gcda and gcno profile dump tool
 * x86_64-linux-gnu-gcov-dump-9 - offline gcda and gcno profile dump tool
 * x86_64-linux-gnu-gcov-tool - offline gcda profile processing tool
 * x86_64-linux-gnu-gcov-tool-9 - offline gcda profile processing tool
 * x86_64-linux-gnu-gold - The GNU ELF linker
 * x86_64-linux-gnu-gprof - display call graph profile data
 * x86_64-linux-gnu-ld - The GNU linker
 * x86_64-linux-gnu-ld.bfd - The GNU linker
 * x86_64-linux-gnu-ld.gold - The GNU ELF linker
 * x86_64-linux-gnu-nm - list symbols from object files
 * x86_64-linux-gnu-objcopy - copy and translate object files
 * x86_64-linux-gnu-objdump - display information from object files
 * x86_64-linux-gnu-python3-config - output build options for python C/C++ extensions or...
 * x86_64-linux-gnu-python3.8-config - output build options for python C/C++ extensions ...
 * x86_64-linux-gnu-ranlib - generate an index to an archive
 * x86_64-linux-gnu-readelf - display information about ELF files
 * x86_64-linux-gnu-size - list section sizes and total size of binary files
 * x86_64-linux-gnu-strings - print the sequences of printable characters in files
 * x86_64-linux-gnu-strip - discard symbols and other data from object files
 * xargs - build and execute command lines from standard input
 * xattr - Extended attributes
 * Xau - X authority database routines
 * XauDisposeAuth - X authority database routines
 * XauFileName - X authority database routines
 * XauGetAuthByAddr - X authority database routines
 * XauGetBestAuthByAddr - X authority database routines
 * XauLockAuth - X authority database routines
 * XauReadAuth - X authority database routines
 * xauth - X authority file utility
 * XauUnlockAuth - X authority database routines
 * XauWriteAuth - X authority database routines
 * xbiff - mailbox flag for X
 * xbmtopbm - convert an X11 or X10 bitmap into a portable bitmap
 * xcalc - scientific calculator for X
 * xclip - command line interface to X selections (clipboard)
 * xclip-copyfile - copy and move files via the X clipboard
 * xclip-cutfile - copy and move files via the X clipboard
 * xclip-pastefile - copy and move files via the X clipboard
 * xclipboard - X clipboard client
 * xclock - analog / digital clock for X
 * xcmsdb - Device Color Characterization utility for X Color Management System
 * XCompose - X client mappings for multi-key input sequences
 * xconsole - monitor system console messages with X
 * XConsortium - X Consortium information
 * xcrypt - RFS password encryption
 * xcursorgen - create an X cursor file from a collection of PNG images
 * xcutsel - interchange between cut buffer and selection
 * xdecrypt - RFS password encryption
 * xdg-dbus-proxy - D-Bus proxy
 * xdg-desktop-icon - command line tool for (un)installing icons to the desktop
 * xdg-desktop-menu - command line tool for (un)installing desktop menu items
 * xdg-email - command line tool for sending mail using the user's preferred e-ma...
 * xdg-icon-resource - command line tool for (un)installing icon resources
 * xdg-mime - command line tool for querying information about file type handlin...
 * xdg-open - opens a file or URL in the user's preferred application
 * xdg-screensaver - command line tool for controlling the screensaver
 * xdg-settings - get various settings from the desktop environment
 * xdg-user-dir - Find an XDG user dir
 * xdg-user-dirs-update - Update XDG user dir configuration
 * xditview - display ditroff output
 * xdosemu - run DOS and DOS programs under Linux
 * xdpyinfo - display information utility for X
 * xdr - library routines for external data representation
 * xdr_accepted_reply - library routines for remote procedure calls
 * xdr_array - library routines for external data representation
 * xdr_authunix_parms - library routines for remote procedure calls
 * xdr_bool - library routines for external data representation
 * xdr_bytes - library routines for external data representation
 * xdr_callhdr - library routines for remote procedure calls
 * xdr_callmsg - library routines for remote procedure calls
 * xdr_char - library routines for external data representation
 * xdr_destroy - library routines for external data representation
 * xdr_double - library routines for external data representation
 * xdr_enum - library routines for external data representation
 * xdr_float - library routines for external data representation
 * xdr_free - library routines for external data representation
 * xdr_getpos - library routines for external data representation
 * xdr_inline - library routines for external data representation
 * xdr_int - library routines for external data representation
 * xdr_long - library routines for external data representation
 * xdr_opaque - library routines for external data representation
 * xdr_opaque_auth - library routines for remote procedure calls
 * xdr_pmap - library routines for remote procedure calls
 * xdr_pmaplist - library routines for remote procedure calls
 * xdr_pointer - library routines for external data representation
 * xdr_reference - library routines for external data representation
 * xdr_rejected_reply - library routines for remote procedure calls
 * xdr_replymsg - library routines for remote procedure calls
 * xdr_setpos - library routines for external data representation
 * xdr_short - library routines for external data representation
 * xdr_string - library routines for external data representation
 * xdr_u_char - library routines for external data representation
 * xdr_u_int - library routines for external data representation
 * xdr_u_long - library routines for external data representation
 * xdr_u_short - library routines for external data representation
 * xdr_union - library routines for external data representation
 * xdr_vector - library routines for external data representation
 * xdr_void - library routines for external data representation
 * xdr_wrapstring - library routines for external data representation
 * xdriinfo - query configuration information of DRI drivers
 * xdrmem_create - library routines for external data representation
 * xdrrec_create - library routines for external data representation
 * xdrrec_endofrecord - library routines for external data representation
 * xdrrec_eof - library routines for external data representation
 * xdrrec_skiprecord - library routines for external data representation
 * xdrstdio_create - library routines for external data representation
 * xedit - simple text editor for X
 * xencrypt - RFS password encryption
 * Xephyr - X server outputting to a window on a pre-existing X display
 * xev - print contents of X events
 * xeyes - a follow the mouse X demo
 * xfd - display all the characters in an X font
 * xfontsel - point and click selection of X11 font names
 * xfs - layout, mount options, and supported file attributes for the XFS f...
 * xfs_admin - change parameters of an XFS filesystem
 * xfs_bmap - print block mapping for an XFS file
 * xfs_copy - copy the contents of an XFS filesystem
 * xfs_db - debug an XFS filesystem
 * xfs_estimate - estimate the space that an XFS filesystem will take
 * xfs_freeze - suspend access to an XFS filesystem
 * xfs_fsr - filesystem reorganizer for XFS
 * xfs_growfs - expand an XFS filesystem
 * xfs_info - display XFS filesystem geometry information
 * xfs_io - debug the I/O path of an XFS filesystem
 * xfs_logprint - print the log of an XFS filesystem
 * xfs_mdrestore - restores an XFS metadump image to a filesystem image
 * xfs_metadump - copy XFS filesystem metadata to a file
 * xfs_mkfile - create an XFS file
 * xfs_ncheck - generate pathnames from i-numbers for XFS
 * xfs_quota - manage use of quota on XFS filesystems
 * xfs_repair - repair an XFS filesystem
 * xfs_rtcp - XFS realtime copy command
 * xfs_scrub - check and repair the contents of a mounted XFS filesystem
 * xfs_scrub_all - scrub all mounted XFS filesystems
 * xfs_spaceman - show free space information about an XFS filesystem
 * xgamma - Alter a monitor's gamma correction through the X server
 * xgc - X graphics demo
 * xgettext - extract gettext strings from source
 * xhost - server access control program for X
 * ximtoppm - convert an Xim file into a portable pixmap
 * xinput - utility to configure and test X input devices
 * xkbbell - XKB extension user utility
 * xkbcomp - compile XKB keyboard description
 * xkbevd - XKB event daemon
 * xkbprint - print an XKB keyboard description
 * xkbvleds - XKB extension user utility
 * xkbwatch - XKB extension user utility
 * xkeyboard-config - XKB data description files
 * xkill - kill a client by its X resource
 * xload - system load average display for X
 * xlogo - X Window System logo
 * xlsatoms - list interned atoms defined on server
 * xlsclients - list client applications running on a display
 * xlsfonts - server font list displayer for X
 * xmag - magnify parts of the screen
 * xman - Manual page display program for the X Window System
 * Xmark - summarize x11perf results
 * xmessage - display a message or query in a window (X-based /bin/echo)
 * XML::LibXML (3pm) - Perl Binding for libxml2
 * XML::LibXML::Attr (3pm)- XML::LibXML Attribute Class
 * XML::LibXML::AttributeHash (3pm)- tie an XML::LibXML::Element to a hash to access its at...
 * XML::LibXML::Boolean (3pm)- Boolean true/false values
 * XML::LibXML::CDATASection (3pm)- XML::LibXML Class for CDATA Sections
 * XML::LibXML::Comment (3pm)- XML::LibXML Comment Class
 * XML::LibXML::Common (3pm)- Constants and Character Encoding Routines
 * XML::LibXML::Document (3pm)- XML::LibXML DOM Document Class
 * XML::LibXML::DocumentFragment (3pm)- XML::LibXML's DOM L2 Document Fragment Implementation
 * XML::LibXML::DOM (3pm)- XML::LibXML DOM Implementation
 * XML::LibXML::Dtd (3pm)- XML::LibXML DTD Handling
 * XML::LibXML::Element (3pm)- XML::LibXML Class for Element Nodes
 * XML::LibXML::ErrNo (3pm)- Structured Errors
 * XML::LibXML::Error (3pm)- Structured Errors
 * XML::LibXML::InputCallback (3pm)- XML::LibXML Class for Input Callbacks
 * XML::LibXML::Literal (3pm)- Simple string values.
 * XML::LibXML::Namespace (3pm)- XML::LibXML Namespace Implementation
 * XML::LibXML::Node (3pm)- Abstract Base Class of XML::LibXML Nodes
 * XML::LibXML::NodeList (3pm)- a list of XML document nodes
 * XML::LibXML::Number (3pm)- Simple numeric values.
 * XML::LibXML::Parser (3pm)- Parsing XML Data with XML::LibXML
 * XML::LibXML::Pattern (3pm)- XML::LibXML::Pattern- interface to libxml2 XPath patterns
 * XML::LibXML::PI (3pm)- XML::LibXML Processing Instructions
 * XML::LibXML::Reader (3pm)- XML::LibXML::Reader- interface to libxml2 pull parser
 * XML::LibXML::RegExp (3pm)- XML::LibXML::RegExp- interface to libxml2 regular expressions
 * XML::LibXML::RelaxNG (3pm)- RelaxNG Schema Validation
 * XML::LibXML::SAX (3pm)- XML::LibXML direct SAX parser
 * XML::LibXML::SAX::Builder (3pm)- Building DOM trees from SAX events.
 * XML::LibXML::SAX::Generator (3pm)- Generate SAX events from a LibXML tree
 * XML::LibXML::Schema (3pm)- XML Schema Validation
 * XML::LibXML::XPathContext (3pm)- XPath Evaluation
 * XML::LibXML::XPathExpression (3pm)- XML::LibXML::XPathExpression- interface to libxml2 ...
 * XML::NamespaceSupport (3pm)- A simple generic namespace processor
 * XML::Parser (3pm) - A perl module for parsing XML documents
 * XML::Parser::Expat (3pm)- Lowlevel access to James Clark's expat XML parser
 * XML::SAX::PurePerl::Reader (3pm)- Abstract Reader factory class
 * XML::Parser::Style::Debug (3pm)- Debug style for XML::Parser
 * XML::Parser::Style::Subs (3pm)- glue for handling element callbacks
 * XML::SAX::Base (3pm)- Base class SAX Drivers and Filters
 * XML::SAX::DocumentLocator (3pm)- Helper class for document locators
 * XML::SAX::Expat (3pm)- SAX2 Driver for Expat (XML::Parser)
 * XML::SAX::Intro (3pm)- An Introduction to SAX Parsing with Perl
 * XML::SAX::ParserFactory (3pm)- Obtain a SAX parser
 * XML::SAX::PurePerl (3pm)- Pure Perl XML Parser with SAX2 interface
 * XML::Twig (3pm) - A perl module for processing huge XML documents in tree mode.
 * XML::Writer (3pm) - Perl extension for writing XML documents.
 * XML::XPathEngine (3pm)- a re-usable XPath engine for DOM-like trees
 * XML::XPathEngine::Boolean (3pm)- Boolean true/false values
 * XML::XPathEngine::Literal (3pm)- Simple string values.
 * XML::XPathEngine::NodeSet (3pm)- a list of XML document nodes
 * XML::XPathEngine::Number (3pm)- Simple numeric values.
 * xmodmap - utility for modifying keymaps and pointer button mappings in X
 * xmore - plain text display program for the X Window System
 * Xorg - X11R7 X server
 * xorg.conf - configuration files for Xorg X server
 * xorg.conf.d - configuration files for Xorg X server
 * XOrgFoundation - X.Org Foundation information
 * xpmtoppm - convert an X11 pixmap into a portable pixmap
 * xprop - property displayer for X
 * xprt_register - library routines for remote procedure calls
 * xprt_unregister - library routines for remote procedure calls
 * xqxdecode - Decode a XQX stream into human readable form.
 * xrandr - primitive command line interface to RandR extension
 * xrdb - X server resource database utility
 * xreader - A Document Viewer
 * xreader-previewer - show print preview for a document
 * xreader-thumbnailer - create png thumbnails from xreader supported documents
 * xrefresh - refresh all or part of an X screen
 * Xsecurity - X display access control
 * Xserver - X Window System display server
 * Xsession - initialize X session
 * Xsession.options - configuration options for Xsession
 * xsetmode - set the mode for an X Input device
 * xsetpointer - set an X Input device as the main pointer
 * xsetroot - root window parameter setting utility for X
 * xsetwacom - commandline utility to query and modify wacom driver settings.
 * xsm - X Session Manager
 * XStandards - X Window System Standards and Specifications
 * xstdcmap - X standard colormap utility
 * xtables-compat - compat tools to migrate from iptables to nftables
 * xtables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * xtables-legacy-multi - iptables using old getsockopt/setsockopt-based kernel api
 * xtables-monitor - show changes to rule set and trace-events
 * xtables-multi - xtables multi-link binary for netfilter's iptables and ip6tables
 * xtables-nft - iptables using nftables kernel api
 * xtables-nft-multi - iptables using nftables kernel api
 * xtables-translate - translation tool to migrate from iptables to nftables
 * XtAddActions - register an action table
 * XtAddCallback - add and remove callback procedures
 * XtAddCallbacks - add and remove callback procedures
 * XtAddConverter - register resource converter
 * XtAddEventHandler - add and remove event handlers
 * XtAddExposureToRegion - merge exposure events into a region
 * XtAddGrab - redirect user input to a modal widget
 * XtAddInput - register input, timeout, and workprocs
 * XtAddRawEventHandler - add and remove event handlers
 * XtAddTimeOut - register input, timeout, and workprocs
 * XtAddWorkProc - register input, timeout, and workprocs
 * XtAllocateGC - obtain a sharable GC with modifiable fields
 * XtAppAddActionHook - register an action hook procedure
 * XtAppAddActions - register an action table
 * XtAppAddBlockHook - register a block hook procedure
 * XtAppAddConverter - register resource converter
 * XtAppAddInput - register and remove an input source
 * XtAppAddSignal - register and remove a signal source
 * XtAppAddTimeOut - register and remove timeouts
 * XtAppAddWorkProc - Add and remove background processing procedures
 * XtAppCreateShell - create top-level widget instance
 * XtAppError - low-level error handlers
 * XtAppErrorMsg - high-level error handlers
 * XtAppGetErrorDatabase - obtain error database
 * XtAppGetErrorDatabaseText - obtain error database
 * XtAppGetExitFlag - thread support functions
 * XtAppGetSelectionTimeout - set and obtain selection timeout values
 * XtAppInitialize - initialize, open, or close a display
 * XtAppLock - lock and unlock application context
 * XtAppMainLoop - query and process events and input
 * XtAppNextEvent - query and process events and input
 * XtAppPeekEvent - query and process events and input
 * XtAppPending - query and process events and input
 * XtAppProcessEvent - query and process events and input
 * XtAppReleaseCacheRefs - decrement reference counts for resources
 * XtAppSetErrorHandler - low-level error handlers
 * XtAppSetErrorMsgHandler - high-level error handlers
 * XtAppSetExitFlag - thread support functions
 * XtAppSetFallbackResources - set fallback resources
 * XtAppSetSelectionTimeout - set and obtain selection timeout values
 * XtAppSetTypeConverter - register resource converter
 * XtAppSetWarningHandler - low-level error handlers
 * XtAppSetWarningMsgHandler - high-level error handlers
 * XtAppUnlock - lock and unlock application context
 * XtAppWarning - low-level error handlers
 * XtAppWarningMsg - high-level error handlers
 * XtAsprintf - memory management functions
 * XtAugmentTranslations - manage translation tables
 * XtBuildEventMask - retrieve a widget's event mask
 * XtCallAcceptFocus - calla widget's accept_focus procedure
 * XtCallActionProc - invoke an action procedure directly
 * XtCallbackExclusive - map a pop-up
 * XtCallbackNone - map a pop-up
 * XtCallbackNonexclusive - map a pop-up
 * XtCallbackPopdown - unmap a pop-up
 * XtCallCallbackList - process callbacks
 * XtCallCallbacks - process callbacks
 * XtCalloc - memory management functions
 * XtCancelSelectionRequest - bundle multiple selection conversion requests into a singl...
 * XtChangeManagedSet - manage and unmanage children
 * XtCheckSubclass - obtain and verify a widget's class
 * XtClass - obtain and verify a widget's class
 * XtCloseDisplay - initialize, open, or close a display
 * XtConfigureWidget - move and resize widgets
 * XtConvertAndStore - invoke resource converters
 * XtConvertCase - convert KeySym to KeyCodes
 * XtCreateApplicationContext - create, destroy, and obtain an application context
 * XtCreateApplicationShell - create top-level widget instance
 * XtCreateManagedWidget - create and destroy widgets
 * XtCreatePopupShell - create a popup shell
 * XtCreateSelectionRequest - bundle multiple selection conversion requests into a singl...
 * XtCreateWidget - create and destroy widgets
 * XtCreateWindow - window creation convenience function
 * XtDatabase - initialize, open, or close a display
 * XtDestroyApplicationContext - create, destroy, and obtain an application context
 * XtDestroyWidget - create and destroy widgets
 * XtDirectConvert - invoke resource converters
 * XtDisownSelection - set selection owner
 * XtDispatchEvent - query and process events and input
 * XtDispatchEventToWidget - extension event handling
 * XtDisplay - obtain window information about a widget
 * XtDisplayInitialize - initialize, open, or close a display
 * XtDisplayOfObject - obtain window information about a widget
 * XtDisplayStringConversionWarning - issue a conversion warning message
 * XtDisplayToApplicationContext - obtain an application context
 * XtError - low-level error handlers
 * XtErrorMsg - high-level error handlers
 * XtFindFile - search for a file using substitutions in the path list
 * XtFree - memory management functions
 * XtGetActionKeysym - obtain corresponding keysym
 * XtGetActionList - obtain class action list
 * XtGetApplicationNameAndClass - retrieve application name and class
 * XtGetApplicationResources - obtain application resources
 * XtGetClassExtension - locate a class extension record
 * XtGetConstraintResourceList - obtain resource list
 * XtGetDisplays - retrieve a list of displays associated with an application context
 * XtGetErrorDatabase - obtain error database
 * XtGetErrorDatabaseText - obtain error database
 * XtGetGC - obtain and destroy a sharable GC
 * XtGetKeyboardFocusWidget - extension event handling
 * XtGetKeysymTable - query keysyms and keycodes
 * XtGetMultiClickTime - set and get multi-click times
 * XtGetResourceList - obtain resource list
 * XtGetSelectionParameters - retrieve target parameters for a selection request with a ...
 * XtGetSelectionRequest - retrieve the event that triggered the XtConvertSelectionProc
 * XtGetSelectionTimeout - set and obtain selection timeout values
 * XtGetSelectionValue - obtain selection values
 * XtGetSelectionValueIncremental - obtain selection values
 * XtGetSelectionValues - obtain selection values
 * XtGetSelectionValuesIncremental - obtain selection values
 * XtGetSubresources - obtain subresources
 * XtGetSubvalues - obtain and set widget resources
 * XtGetValues - obtain and set widget resources
 * XtGrabButton - manage grabs
 * XtGrabKey - manage grabs
 * XtGrabKeyboard - manage grabs
 * XtGrabPointer - manage grabs
 * XtHasCallbacks - process callbacks
 * XtHooksOfDisplay - external agent access points
 * XtInitializeWidgetClass - initialize a widget class
 * XtInsertEventHandler - add and remove event handlers
 * XtInsertEventTypeHandler - extension event handling
 * XtInsertRawEventHandler - add and remove event handlers
 * XtInstallAccelerators - managing accelerator tables
 * XtInstallAllAccelerators - managing accelerator tables
 * XtIsApplicationShell - obtain and verify a widget's class
 * XtIsComposite - obtain and verify a widget's class
 * XtIsConstraint - obtain and verify a widget's class
 * XtIsManaged - manage and unmanage children
 * XtIsObject - obtain and verify a widget's class
 * XtIsOverrideShell - obtain and verify a widget's class
 * XtIsRealized - realize and unrealize widgets
 * XtIsRectObj - obtain and verify a widget's class
 * XtIsSensitive - set and check a widget's sensitivity state
 * XtIsSessionShell - obtain and verify a widget's class
 * XtIsShell - obtain and verify a widget's class
 * XtIsSubclass - obtain and verify a widget's class
 * XtIsTopLevelShell - obtain and verify a widget's class
 * XtIsTransientShell - obtain and verify a widget's class
 * XtIsVendorShell - obtain and verify a widget's class
 * XtIsWidget - obtain and verify a widget's class
 * XtIsWMShell - obtain and verify a widget's class
 * XtKeysymToKeycodeList - query keysyms and keycodes
 * XtLastEventProcessed - last event, last timestamp processed
 * XtLastTimestampProcessed - last event, last timestamp processed
 * XtMainLoop - query and process events and input
 * XtMakeGeometryRequest - make geometry manager request
 * XtMakeResizeRequest - make geometry manager request
 * XtMalloc - memory management functions
 * XtManageChild - manage and unmanage children
 * XtManageChildren - manage and unmanage children
 * XtMapWidget - map and unmap widgets
 * XtMergeArgLists - set and merge ArgLists
 * XtMoveWidget - move and resize widgets
 * XtName - obtain widget's name
 * XtNameToWidget - translating strings to widgets or widgets to windows
 * XtNew - memory management functions
 * XtNewString - memory management functions
 * XtNextEvent - query and process events and input
 * XtNoticeSignal - register and remove a signal source
 * XtNumber - determine the byte offset or number of array elements
 * XtOffset - determine the byte offset or number of array elements
 * XtOffsetOf - determine the byte offset or number of array elements
 * XtOpenApplication - initialize, open, or close a display
 * XtOpenDisplay - initialize, open, or close a display
 * XtOverrideTranslations - manage translation tables
 * XtOwnSelectionIncremental - set selection owner
 * XtParent - obtain widget's parent widget id
 * XtParseAcceleratorTable - managing accelerator tables
 * XtParseTranslationTable - manage translation tables
 * XtPeekEvent - query and process events and input
 * XtPending - query and process events and input
 * XtPopupSpringLoaded - map a pop-up
 * XtProcessEvent - query and process events and input
 * XtProcessLock - lock and unlock process
 * XtProcessUnlock - lock and unlock process
 * XtQueryGeometry - query the preferred geometry of a child widget
 * XtRealizeWidget - realize and unrealize widgets
 * XtRealloc - memory management functions
 * XtRegisterCaseConverter - convert KeySym to KeyCodes
 * XtRegisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtRegisterExtensionSelector - extension event handling
 * XtRegisterGrabAction - register button and key grabs
 * XtReleaseGC - obtain and destroy a sharable GC
 * XtReleasePropertyAtom - maintain a cache of property atoms
 * XtRemoveActionHook - register an action hook procedure
 * XtRemoveAllCallbacks - add and remove callback procedures
 * XtRemoveBlockHook - register a block hook procedure
 * XtRemoveCallback - add and remove callback procedures
 * XtRemoveCallbacks - add and remove callback procedures
 * XtRemoveEventHandler - add and remove event handlers
 * XtRemoveEventTypeHandler - extension event handling
 * XtRemoveGrab - redirect user input to a modal widget
 * XtRemoveInput - register and remove an input source
 * XtRemoveRawEventHandler - add and remove event handlers
 * XtRemoveSignal - register and remove a signal source
 * XtRemoveTimeOut - register and remove timeouts
 * XtRemoveWorkProc - Add and remove background processing procedures
 * XtReservePropertyAtom - maintain a cache of property atoms
 * XtResizeWidget - move and resize widgets
 * XtResolvePathname - search for a file using standard substitution
 * XtScreen - obtain window information about a widget
 * XtScreenDatabase - initialize, open, or close a display
 * XtScreenOfObject - obtain window information about a widget
 * XtSendSelectionRequest - bundle multiple selection conversion requests into a single ...
 * XtSessionGetToken - token management for checkpointing
 * XtSessionReturnToken - token management for checkpointing
 * XtSetArg - set and merge ArgLists
 * XtSetErrorHandler - low-level error handlers
 * XtSetErrorMsgHandler - high-level error handlers
 * XtSetEventDispatcher - extension event handling
 * XtSetKeyboardFocus - focus events on a child widget
 * XtSetKeyTranslator - convert KeySym to KeyCodes
 * XtSetLanguageProc - set the language procedure
 * XtSetMappedWhenManaged - map and unmap widgets
 * XtSetMultiClickTime - set and get multi-click times
 * XtSetSelectionParameters - specify target parameters for a selection request with a s...
 * XtSetSelectionTimeout - set and obtain selection timeout values
 * XtSetSensitive - set and check a widget's sensitivity state
 * XtSetSubvalues - obtain and set widget resources
 * XtSetTypeConverter - register resource converter
 * XtSetValues - obtain and set widget resources
 * XtSetWarningHandler - low-level error handlers
 * XtSetWarningMsgHandler - high-level error handlers
 * XtSetWMColormapWindows - Set the value of the WM_COLORMAP_WINDOWS property
 * XtStringConversionWarning - issue a conversion warning message
 * XtSuperclass - obtain and verify a widget's class
 * XtToolkitInitialize - create, destroy, and obtain an application context
 * XtToolkitThreadInitialize - initialize the toolkit for multiple threads
 * XtTranslateCoords - translate widget coordinates
 * XtTranslateKeycode - convert KeySym to KeyCodes
 * XtUngrabButton - manage grabs
 * XtUngrabKey - manage grabs
 * XtUngrabKeyboard - manage grabs
 * XtUngrabPointer - manage grabs
 * XtUninstallTranslations - manage translation tables
 * XtUnmanageChild - manage and unmanage children
 * XtUnmanageChildren - manage and unmanage children
 * XtUnmapWidget - map and unmap widgets
 * XtUnrealizeWidget - realize and unrealize widgets
 * XtUnregisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtVaAppCreateShell - create top-level widget instance
 * XtVaAppInitialize - initialize, open, or close a display
 * XtVaCreateArgsList - dynamically allocate a varargs list
 * XtVaCreateManagedWidget - create and destroy widgets
 * XtVaCreatePopupShell - create a popup shell
 * XtVaCreateWidget - create and destroy widgets
 * XtVaGetApplicationResources - obtain application resources
 * XtVaGetSubresources - obtain subresources
 * XtVaGetSubvalues - obtain and set widget resources
 * XtVaGetValues - obtain and set widget resources
 * XtVaOpenApplication - initialize, open, or close a display
 * XtVaSetSubvalues - obtain and set widget resources
 * XtVaSetValues - obtain and set widget resources
 * XtWarning - low-level error handlers
 * XtWarningMsg - high-level error handlers
 * XtWidgetToApplicationContext - create, destroy, and obtain an application context
 * XtWindow - obtain window information about a widget
 * XtWindowOfObject - obtain window information about a widget
 * XtWindowToWidget - translating strings to widgets or widgets to windows
 * xvidtune - video mode tuner for Xorg
 * xviewer - an image viewer
 * xvinfo - Print out X-Video extension adaptor information
 * xwd - dump an image of an X window
 * xwdtopnm - convert a X11 or X10 window dump file into a portable anymap
 * xwininfo - window information utility for X
 * Xwrapper.config - Xorg X server binary wrapper
 * xwud - image displayer for X
 * xxd - make a hexdump or do the reverse.
 * xz - Compress or decompress .xz and .lzma files
 * xzcat - Compress or decompress .xz and .lzma files
 * xzcmp - compare compressed files
 * xzdiff - compare compressed files
 * xzegrep - search compressed files for a regular expression
 * xzfgrep - search compressed files for a regular expression
 * xzgrep - search compressed files for a regular expression
 * xzless - view xz or lzma compressed (text) files
 * xzmore - view xz or lzma compressed (text) files
 * y0 - Bessel functions of the second kind
 * y0f - Bessel functions of the second kind
 * y0l - Bessel functions of the second kind
 * y1 - Bessel functions of the second kind
 * y1f - Bessel functions of the second kind
 * y1l - Bessel functions of the second kind
 * yacc - GNU Project parser generator
 * YAML::LibYAML (3pm) - Perl YAML Serialization using XS and libyaml
 * YAML::Tiny (3pm) - Read/Write YAML files with as little code as possible
 * YAML::XS (3pm) - Perl YAML Serialization using XS and libyaml
 * YAML::XS::LibYAML (3pm)- An XS Wrapper Module of libyaml
 * ybmtopbm - convert a Bennet Yee "face" file into a portable bitmap
 * yelp - browse system documentation
 * yes - output a string repeatedly until killed
 * yn - Bessel functions of the second kind
 * ynf - Bessel functions of the second kind
 * ynl - Bessel functions of the second kind
 * youtube-dl - download videos from youtube.com or other video platforms
 * yuvsplittoppm - convert a Y- and a U- and a V-file into a portable pixmap
 * yuvtoppm - convert Abekas YUV bytes into a portable pixmap
 * zcat - compress or expand files
 * zcmp - compare compressed files
 * zdiff - compare compressed files
 * zdump - timezone dumper
 * zegrep - search possibly compressed files for a regular expression
 * zeisstopnm - convert a Zeiss confocal file into a portable anymap
 * zenity - display GTK+ dialogs
 * zero - data sink
 * zfgrep - search possibly compressed files for a regular expression
 * zforce - force a '.gz' extension on all gzip files
 * zgrep - search possibly compressed files for a regular expression
 * zip - package and compress (archive) files
 * zipcloak - encrypt entries in a zipfile
 * zipdetails - display the internal structure of zip files
 * zipgrep - search files in a ZIP archive for lines matching a pattern
 * zipinfo - list detailed information about a ZIP archive
 * zipnote - write the comments in zipfile to stdout, edit comments and rename ...
 * zipsplit - split a zipfile into smaller zipfiles
 * zjsdecode - Decode a ZjStream into human readable form.
 * zless - file perusal filter for crt viewing of compressed text
 * zlib - compression/decompression library
 * zmore - file perusal filter for crt viewing of compressed text
 * znew - recompress .Z files to .gz files
 * zramctl - set up and control zram devices
 * zrun - automatically uncompress arguments to command
 * zsoelim - satisfy .so requests in roff input
 * Future::Exception (3pm)- an exception type for failed Futures
 * Future::IO::Impl::IOAsync (3pm)- implement "Future::IO" using "IO::Async"
 * IO::Async::Function (3pm)- call a function asynchronously
 * IO::Async::Timer (3pm)- base class for Notifiers that use timed delays
 * IO::Async::Timer::Absolute (3pm)- event callback at a fixed future time
 * IO::Async::Timer::Countdown (3pm)- event callback after a fixed delay
 * IO::Async::Timer::Periodic (3pm)- event callback at regular intervals
 * 411toppm - convert Sony Mavica .411 image to ppm
 * 7z - A file archiver with high compression ratio format
 * 7za - A file archiver with high compression ratio format
 * 7zr - A file archiver with high compression ratio format
 * Error (3pm) - Error/exception handling in an OO-ish way
 * Git (3pm) - Perl interface to the Git version control system
 * gnupg - The GNU Privacy Guard suite of programs
 * gufw - Graphic user interface for managing ufw
 * HEAD (1p) - Simple command line user agent
 * hexchat - IRC Client
 * irssi - a modular IRC client for UNIX
 * Mojo (3pm) - Web development toolkit
 * PAM - Pluggable Authentication Modules for Linux
 * UPower - System-wide Power Management
 * VBoxHeadless - x86 virtualization solution
 * VBoxManage - x86 virtualization solution
 * VBoxSDL - x86 virtualization solution
 * VirtualBox - x86 virtualization solution
 * __fsetlocking - interfaces to stdio FILE structure
 * __malloc_initialize_hook - malloc debugging variables
 * __ppc_get_timebase - get the current value of the Time Base Register on Power archite...
 * __ppc_get_timebase_freq - get the current value of the Time Base Register on Power ar...
 * __ppc_set_ppr_low - Set the Program Priority Register
 * __ppc_set_ppr_med - Set the Program Priority Register
 * __ppc_set_ppr_med_high - Set the Program Priority Register
 * __ppc_set_ppr_med_low - Set the Program Priority Register
 * __ppc_set_ppr_very_low - Set the Program Priority Register
 * __setfpucw - set FPU control word on i386 architecture (obsolete)
 * _llseek - reposition read/write file offset
 * _syscall - invoking a system call without library support (OBSOLETE)
 * a2disconf - enable or disable an apache2 configuration file
 * a2enconf - enable or disable an apache2 configuration file
 * a2query - retrieve runtime configuration from a local Apache 2 HTTP server
 * aa-status - display various information about the current AppArmor policy.
 * ab - Apache HTTP server benchmarking tool
 * abiword - flexible cross-platform word processor
 * abort - cause abnormal process termination
 * ac - print statistics about users' connect time
 * accept - accept a connection on a socket
 * accept4 - accept a connection on a socket
 * access - check user's permissions for a file
 * aconnect - ALSA sequencer connection manager
 * acos - arc cosine function
 * acosf - arc cosine function
 * acosh - inverse hyperbolic cosine function
 * acoshf - inverse hyperbolic cosine function
 * acoshl - inverse hyperbolic cosine function
 * acosl - arc cosine function
 * acpid - Advanced Configuration and Power Interface event daemon
 * tc-actions - independently defined actions in tc
 * acyclic - make directed graph acyclic
 * add-apt-key - Command line tool to add GPG keys to the APT keyring
 * add_key - add a key to the kernel's key management facility
 * addgnupghome - Create .gnupg home directories
 * addpart - tell the kernel about the existence of a partition
 * adduser.conf - configuration file for adduser and addgroup.
 * adjtime - correct the time to synchronize the system clock
 * adjtime_config - information about hardware clock setting and drift factor
 * adjtimex - tune kernel clock
 * afs_syscall - unimplemented system calls
 * aio_error - get error status of asynchronous I/O operation
 * aio_fsync - asynchronous file synchronization
 * aio_init - asynchronous I/O initialization
 * aio_return - get return status of asynchronous I/O operation
 * aio_suspend - wait for asynchronous I/O operation or timeout
 * alsa-info - command-line utility to gather information about the ALSA subsystem
 * alsactl_init - alsa control management- initialization
 * anacrontab - configuration file for anacron
 * animate - animates an image or image sequence on any X server.
 * animate-im6 - animates an image or image sequence on any X server.
 * animate-im6.q16 - animates an image or image sequence on any X server.
 * anvil (8postfix) - Postfix session count and request rate control
 * anytopnm - attempt to convert an unknown type of image file to a portable anymap
 * apache2 - Apache Hypertext Transfer Protocol Server
 * apache2ctl - Apache HTTP server control interface
 * apachectl - Apache HTTP server control interface
 * apgbfm - APG Bloom filter management program
 * apparmor - kernel enhancement to confine programs to a limited set of resources.
 * apparmor.vim - vim syntax highlighting file for AppArmor profiles
 * apparmor_status - display various information about the current AppArmor policy.
 * applygnupgdefaults - Run gpgconf--apply-defaults for all users.
 * appres - list X application resource database
 * apropos - search the manual page names and descriptions
 * apt-cdrom - APT CD-ROM management utility
 * apt-config - APT Configuration Query program
 * apt-key - APT key management utility
 * apt-secure - Archive authentication support for APT
 * apt-transport-http - APT transport for downloading via the Hypertext Transfer Protoco...
 * apt-transport-https - APT transport for downloading via the HTTP Secure protocol (HTTPS)
 * apt-transport-mirror - APT transport for more automated mirror selection
 * apt.conf - Configuration file for APT
 * apt_auth.conf - Login configuration file for APT sources and proxies
 * AptPkg::Config (3pm)- APT configuration interface
 * AptPkg::hash (3pm) - a helper class for implementing tied hashes
 * AptPkg::PkgRecords (3pm)- APT package description class
 * AptPkg::Policy (3pm)- APT package version policy class
 * AptPkg::System (3pm)- APT system abstraction class
 * AptPkg::Version (3pm)- APT package versioning class
 * apturl - graphical apt-protocol interpreting package installer
 * apturl-gtk - graphical apt-protocol interpreting package installer
 * Archive::Cpio (3pm) - module for manipulations of cpio archives
 * Archive::Zip::FAQ (3pm)- Answers to a few frequently asked questions about Archive::Zip
 * Archive::Zip::MemberRead (3pm)- A wrapper that lets you read Zip archive members as if t...
 * argz - functions to handle an argz list
 * argz_add - functions to handle an argz list
 * argz_add_sep - functions to handle an argz list
 * argz_append - functions to handle an argz list
 * argz_count - functions to handle an argz list
 * argz_create - functions to handle an argz list
 * argz_create_sep - functions to handle an argz list
 * argz_delete - functions to handle an argz list
 * argz_extract - functions to handle an argz list
 * argz_insert - functions to handle an argz list
 * argz_next - functions to handle an argz list
 * argz_replace - functions to handle an argz list
 * argz_stringify - functions to handle an argz list
 * armscii-8 - Armenian character set encoded in octal, decimal, and hexadecimal
 * arptables-nft - ARP table administration (nft-based)
 * ascii - ASCII character set encoded in octal, decimal, and hexadecimal
 * asciitopgm - convert ASCII graphics into a portable graymap
 * asctime - transform date and time to broken-down time or ASCII
 * asctime_r - transform date and time to broken-down time or ASCII
 * asin - arc sine function
 * asinf - arc sine function
 * asinh - inverse hyperbolic sine function
 * asinhf - inverse hyperbolic sine function
 * asinhl - inverse hyperbolic sine function
 * asinl - arc sine function
 * aspell-import - import old personal dictionaries into GNU Aspell
 * assert - abort the program if assertion is false
 * atan - arc tangent function
 * atan2 - arc tangent function of two variables
 * atan2f - arc tangent function of two variables
 * atan2l - arc tangent function of two variables
 * atanf - arc tangent function
 * atanh - inverse hyperbolic tangent function
 * atanhf - inverse hyperbolic tangent function
 * atanhl - inverse hyperbolic tangent function
 * atanl - arc tangent function
 * atexit - register a function to be called at normal process termination
 * Authen::SASL (3pm) - SASL Authentication framework
 * Authen::SASL::Perl (3pm)-- Perl implementation of the SASL Authentication framework
 * Authen::SASL::Perl::ANONYMOUS (3pm)- Anonymous Authentication class
 * Authen::SASL::Perl::CRAM_MD5 (3pm)- CRAM MD5 Authentication class
 * Authen::SASL::Perl::DIGEST_MD5 (3pm)- Digest MD5 Authentication class
 * Authen::SASL::Perl::EXTERNAL (3pm)- External Authentication class
 * Authen::SASL::Perl::GSSAPI (3pm)- GSSAPI (Kerberosv5) Authentication class
 * Authen::SASL::Perl::LOGIN (3pm)- Login Authentication class
 * Authen::SASL::Perl::PLAIN (3pm)- Plain Login Authentication class
 * autoconf - Generate configuration scripts
 * autopoint - copies standard gettext infrastructure
 * autoreconf - Update generated configuration files
 * autoscan - Generate a preliminary configure.in
 * avahi-autoipd - IPv4LL network address configuration daemon
 * avahi-autoipd.action - avahi-autoipd action script
 * avahi-daemon.conf - avahi-daemon configuration file
 * avahi-publish - Register an mDNS/DNS-SD service or host name or address mapping us...
 * avahi-publish-address - Register an mDNS/DNS-SD service or host name or address mappi...
 * avahi-publish-service - Register an mDNS/DNS-SD service or host name or address mappi...
 * B::Hooks::EndOfScope (3pm)- Execute code after a scope finished compilation
 * B::Hooks::EndOfScope::PP (3pm)- Execute code after a scope finished compilation- PP imp...
 * B::Hooks::EndOfScope::XS (3pm)- Execute code after a scope finished compilation- XS imp...
 * backend - cups backend transmission interfaces
 * backtrace - support for application self-debugging
 * backtrace_symbols - support for application self-debugging
 * backtrace_symbols_fd - support for application self-debugging
 * baobab - A graphical tool to analyze disk usage
 * bc - An arbitrary precision calculator language
 * bcomps - biconnected components filter for graphs
 * bdftopcf - convert X font from Bitmap Distribution Format to Portable Compile...
 * bind_textdomain_codeset - set encoding of message translations
 * binfmt.d - Configure additional binary formats for executables at boot
 * bio (7ssl) - Basic I/O abstraction
 * biosdecode - BIOS information decoder
 * blkdeactivate - utility to deactivate block devices
 * bluemoon - Bluemoon configuration utility
 * bluetooth-sendto - GTK application for transferring files over Bluetooth
 * body_checks - Postfix built-in content inspection
 * bootparam - introduction to boot time parameters of the Linux kernel
 * botti - Run an irssi module, such as a bot, without a UI
 * bpf-helpers - list of eBPF helper functions
 * break - unimplemented system calls
 * brushtopbm - convert a doodle brush file into a portable bitmap
 * bstring - byte string operations
 * btmgmt - A command-line interface of BlueZ for management Usage:
 * btrfs - topics about the BTRFS filesystem (mount options, supported file a...
 * btrfs-filesystem - command group that primarily does work on the whole filesystems
 * btrfs-image - create/restore an image of the filesystem
 * btrfs-inspect-internal - query various internal information
 * btrfs-map-logical - map btrfs logical extent to physical extent
 * btrfs-quota - control the global quota status of a btrfs filesystem
 * btrfs-restore - try to restore files from a damaged btrfs filesystem image
 * btrfs-select-super - overwrite primary superblock with a backup copy
 * bzegrep - search possibly bzip2 compressed files for a regular expression
 * bzfgrep - search possibly bzip2 compressed files for a regular expression
 * bzgrep - search possibly bzip2 compressed files for a regular expression
 * c_rehash (1ssl) - Create symbolic links to files named by the hash values
 * ca (1ssl) - sample minimal CA application
 * cacademo - libcaca's demonstration applications
 * cacafire - libcaca's demonstration applications
 * cacaview - ASCII image browser
 * cacheflush - flush contents of instruction and/or data cache
 * cacosh - complex arc hyperbolic cosine
 * cacoshf - complex arc hyperbolic cosine
 * cacoshl - complex arc hyperbolic cosine
 * Cairo (3pm) - Perl interface to the cairo 2d vector graphics library
 * calibrate_ppa - pnm2ppa calibration tool
 * cancel - cancel jobs
 * capability.conf - configuration file for the pam_cap module
 * captoinfo - convert a termcap description into a terminfo description
 * casinh - complex arc sine hyperbolic
 * casinhf - complex arc sine hyperbolic
 * casinhl - complex arc sine hyperbolic
 * casper - a hook for initramfs-tools to boot live systems.
 * casper-snapshot - a simple script to ease persistence usage.
 * catanh - complex arc tangents hyperbolic
 * catanhf - complex arc tangents hyperbolic
 * catanhl - complex arc tangents hyperbolic
 * catchsegv - Catch segmentation faults in programs
 * cbc_crypt - fast DES encryption
 * cbrt - cube root function
 * cbrtf - cube root function
 * cbrtl - cube root function
 * ccomps - connected components filter for graphs
 * ccos - complex cosine function
 * ccosf - complex cosine function
 * ccosh - complex hyperbolic cosine
 * ccoshf - complex hyperbolic cosine
 * ccoshl - complex hyperbolic cosine
 * ccosl - complex cosine function
 * cd-create-profile - Color Manager Profile Creation Tool
 * cd-discid - read CD and get CDDB discid information
 * cddb-tool - Get CDDB information
 * cdparanoia - an audio CD reading utility which includes extra data verification...
 * cdw - front-end for cdrecord, mkisofs, growisofs, mkudffs and other tools
 * ceil - ceiling function: smallest integral value not less than argument
 * ceilf - ceiling function: smallest integral value not less than argument
 * ceill - ceiling function: smallest integral value not less than argument
 * celluloid - A simple GTK+ frontend for mpv
 * cexp - complex exponential function
 * cexpf - complex exponential function
 * cexpl - complex exponential function
 * cfdisk - display or manipulate a disk partition table
 * cgdisk - Curses-based GUID partition table (GPT) manipulator
 * CGI::Carp (3pm) - CGI routines for writing to the HTTPD (or other) error log
 * CGI::Cookie (3pm) - Interface to HTTP Cookies
 * CGI::HTML::Functions (3pm)- Documentation for CGI.pm Legacy HTML Functionality
 * CGI::Pretty (3pm) - module to produce nicely formatted HTML code
 * CGI::Push (3pm) - Simple Interface to Server Push
 * chage - change user password expiry information
 * charmap - character set description file
 * charsets - character set standards and internationalization
 * chat - Automated conversational script with a modem
 * chdir - change working directory
 * chfn - change real user name and information
 * chgpasswd - update group passwords in batch mode
 * chmod - change permissions of a file
 * choom - display and adjust OOM-killer score.
 * chromium - the web browser from Google
 * chrt - manipulate the real-time attributes of a process
 * cimag - get imaginary part of a complex number
 * cimagf - get imaginary part of a complex number
 * cimagl - get imaginary part of a complex number
 * cinnamon - desktop
 * cinnamon-launcher - Start or restart a cinnamon session
 * cinnamon-menu-editor - Editor for the panel menu
 * cinnamon-session - Start the GNOME desktop environment
 * cinnamon-session-quit - End the current GNOME session
 * cinnamon-settings - Configuration panel for cinnamon
 * cinnamon2d - desktop
 * CIRCLEQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail que...
 * CIRCLEQ_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail qu...
 * CIRCLEQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queu...
 * CIRCLEQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queu...
 * CIRCLEQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * circo - filter for circular layout of graphs
 * cjpeg - compress an image file to a JPEG file
 * ckbcomp - compile a XKB keyboard description to a keymap suitable for loadke...
 * Class::Accessor (3pm)- Automated accessor generation
 * Class::XSAccessor (3pm)- Generate fast XS accessors without runtime compilation
 * Class::XSAccessor::Array (3pm)- Generate fast XS accessors without runtime compilation
 * classes.conf - class configuration file for cups
 * clearerr_unlocked - nonlocking stdio functions
 * cli - Mono's ECMA-CLI native code generator (Just-in-Time and Ahead-of-T...
 * cli-gacutil - Global Assembly Cache management utility.
 * client.conf - client configuration file for cups (deprecated on macos)
 * clock - determine processor time
 * clock_getcpuclockid - obtain ID of a process CPU-time clock
 * clock_getres - clock and time functions
 * clock_getres - clock and time functions
 * clock_gettime - clock and time functions
 * clock_gettime - clock and time functions
 * clock_nanosleep - high-resolution sleep with specifiable clock
 * clock_settime - clock and time functions
 * clock_settime - clock and time functions
 * cluster - find clusters in a graph and augment the graph with this information.
 * combine - combine sets of lines from two files using boolean operations
 * compare - mathematically and visually annotate the difference between an ima...
 * compare-im6 - mathematically and visually annotate the difference between an ima...
 * compare-im6.q16 - mathematically and visually annotate the difference between an ima...
 * composite - overlaps one image over another.
 * composite-im6 - overlaps one image over another.
 * composite-im6.q16 - overlaps one image over another.
 * config (5ssl) - OpenSSL CONF library configuration files
 * config.sub - validate and canonicalize a configuration triplet
 * confstr - get configuration dependent string variables
 * conjure-im6 - interprets and executes scripts written in the Magick Scripting La...
 * conjure-im6.q16 - interprets and executes scripts written in the Magick Scripting La...
 * connect - initiate a connection on a socket
 * console-setup - configuration file for setupcon
 * convert - convert between image formats as well as resize an image, blur, cr...
 * convert-im6 - convert between image formats as well as resize an image, blur, cr...
 * convert-im6.q16 - convert between image formats as well as resize an image, blur, cr...
 * coredump.conf - Core dump storage configuration files
 * coredump.conf.d - Core dump storage configuration files
 * cos - cosine function
 * cosf - cosine function
 * cosh - hyperbolic cosine function
 * coshf - hyperbolic cosine function
 * coshl - hyperbolic cosine function
 * cosl - cosine function
 * cp1251 - CP 1251 character set encoded in octal, decimal, and hexadecimal
 * cp1252 - CP 1252 character set encoded in octal, decimal, and hexadecimal
 * cpan5.30-i386-linux-gnu - easily interact with CPAN from the command line
 * cpgr - copy with locking the given file to the password or group file
 * cpow - complex power function
 * cpowf - complex power function
 * cpowl - complex power function
 * cppw - copy with locking the given file to the password or group file
 * cracklib-format - cracklib dictionary utilities
 * cracklib-packer - cracklib dictionary utilities
 * cracklib-unpacker - cracklib dictionary utilities
 * crypto (7ssl) - OpenSSL cryptographic library
 * cryptsetup-reencrypt - tool for offline LUKS device re-encryption
 * crypttab - static information about encrypted filesystems
 * csin - complex sine function
 * csinf - complex sine function
 * csinh - complex hyperbolic sine
 * csinhf - complex hyperbolic sine
 * csinhl - complex hyperbolic sine
 * csinl - complex sine function
 * csplit - split a file into sections determined by context lines
 * ctan - complex tangent function
 * ctanf - complex tangent function
 * ctanh - complex hyperbolic tangent
 * ctanhf - complex hyperbolic tangent
 * ctanhl - complex hyperbolic tangent
 * ctanl - complex tangent function
 * ctime - transform date and time to broken-down time or ASCII
 * ctime_r - transform date and time to broken-down time or ASCII
 * tc-ctinfo - tc connmark processing action
 * ctrlaltdel - set the function of the Ctrl-Alt-Del combination
 * cups-browsed - A daemon for browsing the Bonjour broadcasts of shared, remote CUP...
 * cups-browsed.conf - server configuration file for cups-browsed
 * cups-calibrate - ESP CUPS Printer Calibration Tool
 * cups-files.conf - file and directory configuration file for cups
 * cups-lpd - receive print jobs and report printer status to lpd clients (depre...
 * cups-snmp.conf - snmp configuration file for cups (deprecated)
 * cupsaccept - accept/reject jobs sent to a destination
 * cupsctl - configure cupsd.conf options
 * cupsd.conf - server configuration file for cups
 * cupsreject - accept/reject jobs sent to a destination
 * cut - remove sections from each line of files
 * Data::Dump::Trace (3pm)- Helpers to trace function and method calls
 * date - print or set the system date and time
 * Date::Language::Bulgarian (3pm)- localization for Date::Format
 * Date::Parse (3pm) - Parse date strings into time values
 * daylight - initialize time conversion information
 * dbus-run-session - start a process as a new D-Bus session
 * dbus-update-activation-environment - update environment used for D-Bus session services
 * dbwrap_tool - low level TDB/CTDB manipulation tool using the dbwrap interface
 * dc - an arbitrary precision calculator
 * dcfujigreen - Alternative processing for Fuji RAW images
 * dcfujiturn - Alternative rotation for dcraw processed images
 * dcfujiturn16 - Alternative rotation for dcraw processed images
 * dcgettext - translate message
 * dcngettext - translate message and choose plural form
 * dconf - Simple tool for manipulating a dconf database
 * dconf - A configuration system
 * dcparse - Extract embedded thumbnail image and print CIFF/TIFF data to screen
 * dcraw - command-line decoder for raw digital photos
 * ddp - Linux AppleTalk protocol implementation
 * deb-buildinfo - Debian build information file format
 * deb-origin - Vendor-specific information files
 * deb-postinst - package post-installation maintainer script
 * deb-preinst - package pre-installation maintainer script
 * deb-shlibs - Debian shared library information file
 * deb-substvars - Debian source substitution variables
 * deb-symbols - Debian's extended shared library information file
 * deb-version - Debian package version number format
 * debconf-escape - helper when working with debconf's escape capability
 * debconf-gettextize - extract translations of debconf templates into PO files
 * debconf-set-selections - insert new values into the debconf database
 * Debian::DictionariesCommon (3pm)- dictionaries-common library
 * debugedit - Debuginfo editing helper
 * defined - a library for working with MaxMind DB files
 * dehtmldiff - get usable diff from an HTML page
 * delaunay - constructs the constrained Delaunay triangulation of the input
 * delpart - tell the kernel to forget about a partition
 * deluser.conf - configuration file for deluser and delgroup.
 * delv - DNS lookup and validation utility
 * depmod.d - Configuration directory for depmod
 * des_crypt - fast DES encryption
 * DES_FAILED - fast DES encryption
 * des_setparity - fast DES encryption
 * desktop-file-edit - Installation and edition of desktop files
 * desktop-file-install - Installation and edition of desktop files
 * devdump - Utility programs for dumping and verifying iso9660 images.
 * Devel::CallChecker (3pm)- custom op checking attached to subroutines
 * Devel::Size (3pm) - Perl extension for finding the memory usage of Perl variables
 * Devel::TypeTiny::Perl56Compat (3pm)- shims to allow Type::Tiny to run on Perl 5.6.x
 * Devel::TypeTiny::Perl58Compat (3pm)- shims to allow Type::Tiny to run on Perl 5.8.x
 * devlink - Devlink tool
 * devlink-dev - devlink device configuration
 * devlink-health - devlink health reporting and recovery
 * devlink-monitor - state monitoring
 * devlink-port - devlink port configuration
 * devlink-region - devlink address region access
 * devlink-resource - devlink device resource configuration
 * devlink-sb - devlink shared buffer configuration
 * devlink-trap - devlink trap configuration
 * dgettext - translate message
 * dgst (1ssl) - perform digest operations
 * dh_auto_install - automatically runs make install or similar
 * dh_bash-completion - install bash completions for package
 * dh_bugfiles - install bug reporting customization files into package build direc...
 * dh_compress - compress files and fix symlinks in package build directories
 * dh_dwz - optimize DWARF debug information in ELF binaries via dwz
 * dh_fixperms - fix permissions of files in package build directories
 * dh_gconf - install GConf defaults files and register schemas (deprecated)
 * dh_installcatalogs - install and register SGML Catalogs
 * dh_installdocs - install documentation into package build directories
 * dh_installemacsen - register an Emacs add on package
 * dh_installifupdown - install if-up and if-down hooks
 * dh_installinfo - install info files
 * dh_installinit - install service init files into package build directories
 * dh_installinitramfs - install initramfs hooks and setup maintscripts
 * dh_installmime - install mime files into package build directories
 * dh_installmodules - register kernel modules
 * dh_installtmpfiles - install tmpfiles.d configuration files
 * dh_installwm - register a window manager
 * dh_installxfonts - register X fonts
 * dh_installxmlcatalogs - install and register XML catalog files
 * dh_link - create symlinks in package build directories
 * dh_prep - perform cleanups in preparation for building a binary package
 * dh_strip_nondeterminism (1p)- strip uninteresting, nondeterministic information from files
 * dh_testroot - ensure that a package is built with necessary level of root permis...
 * dh_ucf - register configuration files with ucf
 * dhclient - Dynamic Host Configuration Protocol Client
 * dhclient-script - DHCP client network configuration script
 * dhclient.conf - DHCP client configuration file
 * dhcp-eval - ISC DHCP conditional evaluation
 * dhcp-options - Dynamic Host Configuration Protocol options
 * dhparam (1ssl) - DH parameter manipulation and generation
 * splain - produce verbose warning diagnostics
 * dictl - wrapper script for dict that permits using utf-8 encoded dictionar...
 * diffimg - Calculates intersection between two images
 * difftime - calculate time difference
 * Digest::HMAC (3pm) - Keyed-Hashing for Message Authentication
 * Digest::HMAC_MD5 (3pm)- Keyed-Hashing for Message Authentication
 * Digest::HMAC_SHA1 (3pm)- Keyed-Hashing for Message Authentication
 * dijkstra - single-source distance filter for Graphviz
 * dir_colors - configuration file for dircolors
 * display - displays an image or image sequence on any X server.
 * display-im6 - displays an image or image sequence on any X server.
 * display-im6.q16 - displays an image or image sequence on any X server.
 * ditaa - convert ASCII diagrams into proper bitmap graphics
 * div - compute quotient and remainder of an integer division
 * djpeg - decompress a JPEG file to an image file
 * dladdr - translate address to symbolic information
 * dladdr1 - translate address to symbolic information
 * dlerror - obtain error diagnostic for functions in the dlopen API
 * dlinfo - obtain information about a dynamically loaded object
 * dmevent_tool - A utility used to load a DSO into dmeventd and (un)register device...
 * dmraid - discover, configure and activate software (ATA)RAID
 * dmsetup - low level logical volume management
 * dmstats - device-mapper statistics management
 * dngettext - translate message and choose plural form
 * dnsdomainname - show the system's DNS domain name
 * dnsmasq - A lightweight DHCP and caching DNS server.
 * dnssec-trust-anchors.d - DNSSEC trust anchor configuration files
 * domainname - show or set the system's NIS/YP domain name
 * dosbox - an x86/DOS emulator with sound/graphics
 * dot - filter for drawing directed graphs
 * dot2gxl - GXL-GV converters
 * dotty - A Customizable Graph Editor
 * dpkg-checkbuilddeps - check build dependencies and conflicts
 * dpkg-deb - Debian package archive (.deb) manipulation tool
 * dpkg-divert - override a package's version of a file
 * dpkg-genbuildinfo - generate Debian .buildinfo files
 * dpkg-gensymbols - generate symbols files (shared library dependency information)
 * dpkg-maintscript-helper - works around known dpkg limitations in maintainer scripts
 * dpkg-preconfigure - let packages ask questions prior to their installation
 * dpkg-source - Debian source package (.dsc) manipulation tool
 * dpkg-split - Debian package archive split/join tool
 * dpkg-vendor - queries information about distribution vendors
 * dpkg.cfg - dpkg configuration file
 * Dpkg::Build::Info (3perl)- handle build information
 * Dpkg::BuildOptions (3perl)- parse and update build options
 * Dpkg::Changelog (3perl)- base class to implement a changelog parser
 * Dpkg::Compression (3perl)- simple database of available compression methods
 * Dpkg::Compression::FileHandle (3perl)- object dealing transparently with file compression
 * Dpkg::Compression::Process (3perl)- run compression/decompression processes
 * Dpkg::Conf (3perl) - parse dpkg configuration files
 * Dpkg::Control (3perl)- parse and manipulate official control-like information
 * Dpkg::Control::Changelog (3perl)- represent info fields output by dpkg-parsechangelog
 * Dpkg::Control::Info (3perl)- parse files like debian/control
 * Dpkg::Deps::Simple (3perl)- represents a single dependency statement
 * Dpkg::Deps::Union (3perl)- list of unrelated dependencies
 * Dpkg::Gettext (3perl)- convenience wrapper around Locale::gettext
 * Dpkg::Index (3perl) - generic index of control information
 * Dpkg::Interface::Storable (3perl)- common methods related to object serialization
 * Dpkg::IPC (3perl) - helper functions for IPC
 * Dpkg::Path (3perl) - some common path handling functions
 * Dpkg::Substvars (3perl)- handle variable substitution in strings
 * Dpkg::Vendor (3perl)- get access to some vendor specific information
 * Dpkg::Version (3perl)- handling and comparing dpkg-style version numbers
 * dprintf - formatted output conversion
 * drem - floating-point remainder function
 * dremf - floating-point remainder function
 * dreml - floating-point remainder function
 * dsaparam (1ssl) - DSA parameter manipulation and generation
 * du - estimate file space usage
 * dumpe2fs - dump ext2/ext3/ext4 filesystem information
 * dumpkeys - dump keyboard translation tables
 * dvipdf - Convert TeX DVI file to PDF using ghostscript and dvips
 * dwz - DWARF optimization and duplicate removal tool
 * DynaLoader::Functions (3pm)- deconstructed dynamic C library loading
 * e2freefrag - report free space fragmentation information
 * e2fsck.conf - Configuration file for e2fsck
 * e2image - Save critical ext2/ext3/ext4 filesystem metadata to a file
 * e4crypt - ext4 filesystem encryption utility
 * eaccess - check effective user's permissions for a file
 * ebtables-nft - Ethernet bridge frame table administration (nft-based)
 * ebtables-nft-restore - iptables using nftables kernel api
 * ebtables-nft-save - iptables using nftables kernel api
 * ecb_crypt - fast DES encryption
 * ecparam (1ssl) - EC parameter manipulation and generation
 * ecryptfs - an enterprise-class cryptographic filesystem for linux
 * ecryptfs-mount-private - interactive eCryptfs private mount wrapper script.
 * ecryptfs-recover-private - find and mount any encrypted private directories
 * ecryptfs-setup-private - setup an eCryptfs private directory.
 * ecryptfs-umount-private - eCryptfs private unmount wrapper script.
 * ecryptfs-verify - validate an eCryptfs encrypted home or encrypted private configura...
 * editrc (5edit) - configuration file for editline library
 * editres - a dynamic resource editor for X Toolkit applications
 * egrep - print lines that match patterns
 * elf - format of Executable and Linking Format (ELF) files
 * enchant-lsmod - Show information about available spell-checking modules and dictio...
 * enchant-lsmod-2 - list provider and dictionary information
 * environment.d - Definition of user session environment
 * epoll - I/O event notification facility
 * eps2eps - Ghostscript PostScript "distiller"
 * eqn - format equations for troff or MathML
 * erf - error function
 * erfc - complementary error function
 * erfcf - complementary error function
 * erfcl - complementary error function
 * erff - error function
 * erfl - error function
 * errno - look up errno names and descriptions
 * error - glibc error reporting functions
 * Error::Simple (3pm) - the simple error sub-class of Error
 * Error::TypeTiny (3pm)- exceptions for Type::Tiny and friends
 * Error::TypeTiny::Assertion (3pm)- exception when a value fails a type constraint
 * Error::TypeTiny::Compilation (3pm)- exception for Eval::TypeTiny
 * Error::TypeTiny::WrongNumberOfParameters (3pm)- exception for Type::Params
 * error_at_line - glibc error reporting functions
 * error_message_count - glibc error reporting functions
 * error_one_per_line - glibc error reporting functions
 * error_print_progname - glibc error reporting functions
 * espdiff - apply the appropriate transformation to a set of patches
 * ether_aton - Ethernet address manipulation routines
 * ether_aton_r - Ethernet address manipulation routines
 * ether_hostton - Ethernet address manipulation routines
 * ether_line - Ethernet address manipulation routines
 * ether_ntoa - Ethernet address manipulation routines
 * ether_ntoa_r - Ethernet address manipulation routines
 * ether_ntohost - Ethernet address manipulation routines
 * ethtool - query or control network driver and hardware settings
 * euidaccess - check effective user's permissions for a file
 * eventfd - create a file descriptor for event notification
 * eventfd2 - create a file descriptor for event notification
 * eventfd_read - create a file descriptor for event notification
 * eventfd_write - create a file descriptor for event notification
 * evp (7ssl) - high-level cryptographic functions
 * ex - Vi IMproved, a programmer's text editor
 * exa - new 2D acceleration architecture for X.Org
 * exifautotran - Transforms Exif files so that Orientation becomes 1
 * exit - cause normal process termination
 * exp - base-e exponential function
 * exp10 - base-10 exponential function
 * exp10f - base-10 exponential function
 * exp10l - base-10 exponential function
 * exp2 - base-2 exponential function
 * exp2f - base-2 exponential function
 * exp2l - base-2 exponential function
 * expf - base-e exponential function
 * expiry - check and enforce password expiration policy
 * expl - base-e exponential function
 * Exporter::Tiny::Manual::Importing (3pm)- importing from Exporter::Tiny-based modules
 * Exporter::Tiny::Manual::QuickStart (3pm)- the quickest way to get up and running with Ex...
 * expr - evaluate expressions
 * ExtUtils::Depends (3pm)- Easily build XS extensions that depend on XS extensions
 * ExtUtils::PkgConfig (3pm)- simplistic interface to pkg-config
 * faccessat - check user's permissions for a file
 * faillog - display faillog records or set login failure limits
 * faked - daemon that remembers fake ownership/permissions of files manipula...
 * faked-sysv - daemon that remembers fake ownership/permissions of files manipula...
 * faked-tcp - daemon that remembers fake ownership/permissions of files manipula...
 * fakeroot - run a command in an environment faking root privileges for file ma...
 * fakeroot-sysv - run a command in an environment faking root privileges for file ma...
 * fakeroot-tcp - run a command in an environment faking root privileges for file ma...
 * fanotify_init - create and initialize fanotify group
 * fattach - unimplemented system calls
 * fc-cache - build font information cache files
 * fc-cat - read font information cache files
 * fc-conflist - Show the ruleset files information on the system
 * fcgistarter - Start a FastCGI program
 * fchdir - change working directory
 * fchmod - change permissions of a file
 * fchmodat - change permissions of a file
 * fdetach - unimplemented system calls
 * fdim - positive difference
 * fdimf - positive difference
 * fdiml - positive difference
 * fdisk - manipulate disk partition table
 * fdopen - stream open functions
 * fdp - filter for drawing undirected graphs
 * feclearexcept - floating-point rounding and exception handling
 * fedisableexcept - floating-point rounding and exception handling
 * feenableexcept - floating-point rounding and exception handling
 * fegetenv - floating-point rounding and exception handling
 * fegetexcept - floating-point rounding and exception handling
 * fegetexceptflag - floating-point rounding and exception handling
 * fegetround - floating-point rounding and exception handling
 * feholdexcept - floating-point rounding and exception handling
 * fenv - floating-point rounding and exception handling
 * feof_unlocked - nonlocking stdio functions
 * feraiseexcept - floating-point rounding and exception handling
 * ferror_unlocked - nonlocking stdio functions
 * fesetenv - floating-point rounding and exception handling
 * fesetexceptflag - floating-point rounding and exception handling
 * fesetround - floating-point rounding and exception handling
 * fetestexcept - floating-point rounding and exception handling
 * feupdateenv - floating-point rounding and exception handling
 * fflush_unlocked - nonlocking stdio functions
 * fgetc_unlocked - nonlocking stdio functions
 * fgetpos - reposition a stream
 * fgets_unlocked - nonlocking stdio functions
 * fgetwc_unlocked - nonlocking stdio functions
 * fgetws_unlocked - nonlocking stdio functions
 * fgrep - print lines that match patterns
 * fiascotopnm - Convert compressed FIASCO image to PGM, or PPM
 * fifo - first-in first-out special file, named pipe
 * file-hierarchy - File system hierarchy overview
 * file-roller - archive manager for GNOME
 * File::BaseDir (3pm) - Use the Freedesktop.org base directory specification
 * File::FcntlLock (3pm)- File locking with fcntl
 * File::FcntlLock::Inline (3pm)- File locking with fcntl
 * File::FcntlLock::Pure (3pm)- File locking with fcntl
 * File::FcntlLock::XS (3pm)- File locking with fcntl
 * File::IconTheme (3pm)- find icon directories
 * File::MimeInfo (3pm)- Determine file type from the file name
 * File::MimeInfo::Applications (3pm)- Find programs to open a file by mimetype
 * File::MimeInfo::Cookbook (3pm)- various code snippets
 * File::MimeInfo::Magic (3pm)- Determine file type with magic
 * File::MimeInfo::Rox (3pm)- Open files by mimetype "Rox style"
 * File::Rename (3pm) - Perl extension for renaming multiple files
 * File::Rename::Options (3pm)- Option processing for File::Rename
 * filefrag - report on file fragmentation
 * filefuncs (3am) - provide some file related functionality to gawk
 * fileno_unlocked - nonlocking stdio functions
 * filter - cups file conversion filter interface
 * finalrd - final runtime directory generator for shutdown
 * find - search for files in a directory hierarchy
 * findsmb - list info about machines that respond to SMB name queries on a subnet
 * finit_module - load a kernel module
 * finite - BSD floating-point classification functions
 * finitef - BSD floating-point classification functions
 * finitel - BSD floating-point classification functions
 * fixparts - MBR partition table repair utility
 * flatpak - Build, install and run applications and runtimes
 * flatpak-build-import-bundle - Import a file bundle into a local repository
 * flatpak-build-init - Initialize a build directory
 * flatpak-build-sign - Sign an application or runtime
 * flatpak-config - Manage configuration
 * flatpak-create-usb - Copy apps and/or runtimes onto removable media.
 * flatpak-document-export - Export a file to a sandboxed application
 * flatpak-document-info - Show information about exported files
 * flatpak-enter - Enter an application or runtime's sandbox
 * flatpak-flatpakref - Reference to a remote for an application or runtime
 * flatpak-info - Show information about an installed application or runtime
 * flatpak-install - Install an application or runtime
 * flatpak-installation - Configuration for an installation location
 * flatpak-kill - Stop a running application
 * flatpak-list - List installed applications and/or runtimes
 * flatpak-make-current - Make a specific version of an app current
 * flatpak-mask - Mask out updates and automatic installation
 * flatpak-metadata - Information about an application or runtime
 * flatpak-override - Override application requirements
 * flatpak-permission-remove - Remove permissions
 * flatpak-permission-reset - Reset permissions
 * flatpak-permission-set - Set permissions
 * flatpak-permission-show - Show permissions
 * flatpak-permissions - List permissions
 * flatpak-remote - Configuration for a remote
 * flatpak-remote-info - Show information about an application or runtime in a remote
 * flatpak-remote-ls - Show available runtimes and applications
 * flatpak-repair - Repair a flatpak installation
 * flatpak-repo - Show information about a local repository
 * flatpak-run - Run an application or open a shell in a runtime
 * flatpak-search - Search for applications and runtimes
 * flatpak-uninstall - Uninstall an application or runtime
 * flatpak-update - Update an application or runtime
 * fmax - determine maximum of two floating-point numbers
 * fmaxf - determine maximum of two floating-point numbers
 * fmaxl - determine maximum of two floating-point numbers
 * fmin - determine minimum of two floating-point numbers
 * fminf - determine minimum of two floating-point numbers
 * fminl - determine minimum of two floating-point numbers
 * fmod - floating-point remainder function
 * fmodf - floating-point remainder function
 * fmodl - floating-point remainder function
 * fmt - simple optimal text formatter
 * Font::TTF (3pm) - Perl module for TrueType Font hacking
 * Font::TTF::AATutils (3pm)- Utility functions for AAT tables
 * Font::TTF::Coverage (3pm)- Opentype coverage and class definition objects
 * Font::TTF::Dumper (3pm)- Debug dump of a font datastructure, avoiding recursion on ' PAR...
 * Font::TTF::EBLC (3pm)- Embeeded Bitmap Location Table
 * Font::TTF::Font (3pm)- Memory representation of a font
 * Font::TTF::Glyph (3pm)- Holds a information for a single glyph
 * Font::TTF::GPOS (3pm)- Support for Opentype GPOS tables in conjunction with TTOpen
 * Font::TTF::GrFeat (3pm)- Graphite Font Features
 * Font::TTF::GSUB (3pm)- Module support for the GSUB table in conjunction with TTOpen
 * Font::TTF::Loca (3pm)- the Locations table, which is intimately tied to the glyf table
 * Font::TTF::Manual (3pm)- Information regarding the whole module set
 * Font::TTF::Maxp (3pm)- Maximum Profile table in a font
 * Font::TTF::Mort::Insertion (3pm)- Insertion Mort subtable for AAT
 * Font::TTF::Mort::Rearrangement (3pm)- Rearrangement Mort subtable for AAT
 * Font::TTF::Prep (3pm)- Preparation hinting program. Called when ppem changes
 * Font::TTF::Silf (3pm)- The main Graphite table
 * Font::TTF::Sill (3pm)- Graphite language mapping table
 * Font::TTF::Ttc (3pm)- Truetype Collection class
 * Font::TTF::Utils (3pm)- Utility functions to save fingers
 * Font::TTF::Woff::PrivateData (3pm)- WOFF Private data
 * fonts-conf - Font configuration files
 * foo2ddst - Convert Ghostscript pbmraw into a DDST printer stream
 * foo2hbpl2 - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2hiperc - Convert Ghostscript pbmraw or bitcmyk format into a HIPERC printer...
 * foo2hiperc-wrapper - Convert Postscript into a HIPERC printer stream
 * foo2hp - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2lava - Convert Ghostscript pbmraw or bitcmyk format into a LAVAFLOW or a ...
 * foo2oak - Convert Ghostscript pbmraw, pgmraw or bitcmyk format into an OAKT ...
 * foo2qpdl - Convert Ghostscript pbmraw or bitcmyk format into a QPDL printer s...
 * foo2slx - Convert Ghostscript pbmraw or bitcmyk format into a SLX printer st...
 * foo2xqx - Convert Ghostscript pbmraw into a XQX printer stream
 * foo2zjs - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * fopen - stream open functions
 * fork (3am) - basic process management
 * forkpty - terminal utility functions
 * fpathconf - get configuration values for files
 * fpclassify - floating-point classification macros
 * fprintd - Fingerprint management daemon, and test applications
 * fprintd-delete - Fingerprint management daemon, and test applications
 * fprintd-enroll - Fingerprint management daemon, and test applications
 * fprintd-list - Fingerprint management daemon, and test applications
 * fprintd-verify - Fingerprint management daemon, and test applications
 * fprintf - formatted output conversion
 * fputc_unlocked - nonlocking stdio functions
 * fputs_unlocked - nonlocking stdio functions
 * fputwc_unlocked - nonlocking stdio functions
 * fputws_unlocked - nonlocking stdio functions
 * fread_unlocked - nonlocking stdio functions
 * freeaddrinfo - network address and service translation
 * freehostent - get network hostnames and addresses
 * freopen - stream open functions
 * frexp - convert floating-point number to fractional and integral components
 * frexpf - convert floating-point number to fractional and integral components
 * frexpl - convert floating-point number to fractional and integral components
 * fscanf - input format conversion
 * fsck.hfsplus - HFS file system consistency check
 * fsck.jfs - initiate replay of the JFS transaction log, and check and repair a...
 * fsck.reiserfs - The checking tool for the ReiserFS filesystem.
 * fseek - reposition a stream
 * fseeko - seek to or report file position
 * fsetpos - reposition a stream
 * fstab - static information about the filesystems
 * fstrim - discard unused blocks on a mounted filesystem
 * ftell - reposition a stream
 * ftello - seek to or report file position
 * ftime - return date and time
 * fts - traverse a file hierarchy
 * fts_children - traverse a file hierarchy
 * fts_close - traverse a file hierarchy
 * fts_open - traverse a file hierarchy
 * fts_read - traverse a file hierarchy
 * fts_set - traverse a file hierarchy
 * funzip - filter for extracting from a ZIP archive in a pipe
 * futex - fast user-space locking
 * futex - fast user-space locking
 * futimens - change file timestamps with nanosecond precision
 * futimes - change file timestamps
 * futimesat - change timestamps of a file relative to a directory file descriptor
 * Future (3pm) - represent an operation awaiting completion
 * Future::Mutex (3pm) - mutual exclusion lock around code that returns Futures
 * Future::Utils (3pm) - utility functions for working with "Future" objects
 * fwide - set and determine the orientation of a FILE stream
 * fwprintf - formatted wide-character output conversion
 * fwrite_unlocked - nonlocking stdio functions
 * gacutil - Global Assembly Cache management utility.
 * gai.conf - getaddrinfo configuration file
 * gai_cancel - asynchronous network address and service translation
 * gai_error - asynchronous network address and service translation
 * gai_strerror - network address and service translation
 * gai_suspend - asynchronous network address and service translation
 * gamemoded - optimises system performance on demand
 * gamma - (logarithm of the) gamma function
 * gamma4scanimage - create a gamma table for scanimage
 * gammaf - (logarithm of the) gamma function
 * gammal - (logarithm of the) gamma function
 * gapplication - D-Bus application launcher
 * gc - count graph components
 * gcc-ar - a wrapper around ar adding the--plugin option
 * gcc-ar-9 - a wrapper around ar adding the--plugin option
 * gcc-nm - a wrapper around nm adding the--plugin option
 * gcc-nm-9 - a wrapper around nm adding the--plugin option
 * gcc-ranlib - a wrapper around ranlib adding the--plugin option
 * gcc-ranlib-9 - a wrapper around ranlib adding the--plugin option
 * gdbus - Tool for working with D-Bus objects
 * gdebi - Simple tool to install deb files
 * gdebi-gtk - Simple tool to install deb files
 * gdisk - Interactive GUID partition table (GPT) manipulator
 * gdk-pixbuf-csource - C code generation utility for GdkPixbuf images
 * gdk-pixbuf-query-loaders - GdkPixbuf loader registration utility
 * gemtopbm - convert a GEM .img file into a portable anymap
 * gemtopnm - convert a GEM .img file into a portable anymap
 * gendiff - utility to aid in error-free diff file generation
 * gendsa (1ssl) - generate a DSA private key from a set of parameters
 * genisoimage - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * genisoimagerc - startup configuration file for genisoimage
 * genl - generic netlink utility frontend
 * genpkey (1ssl) - generate a private key
 * genrsa (1ssl) - generate an RSA private key
 * geoclue - geoclue configuration parameters
 * geqn - format equations for troff or MathML
 * GET (1p) - Simple command line user agent
 * get_avphys_pages - get total and available physical page counts
 * get_current_dir_name - get current working directory
 * get_phys_pages - get total and available physical page counts
 * get_thread_area - manipulate thread-local storage information
 * getaddrinfo - network address and service translation
 * getaddrinfo_a - asynchronous network address and service translation
 * getc_unlocked - nonlocking stdio functions
 * getchar_unlocked - nonlocking stdio functions
 * getconf - Query system configuration variables
 * getcwd - get current working directory
 * getcwd - get current working directory
 * getdate - convert a date-plus-time string to broken-down time
 * getdate_err - convert a date-plus-time string to broken-down time
 * getdate_r - convert a date-plus-time string to broken-down time
 * getdelim - delimited string input
 * getdomainname - get/set NIS domain name
 * getegid32 - get group identity
 * geteltorito - an El Torito boot image extractor
 * geteuid32 - get user identity
 * getgid32 - get group identity
 * gethostname - get/set hostname
 * getipnodebyaddr - get network hostnames and addresses
 * getipnodebyname - get network hostnames and addresses
 * getitimer - get or set value of an interval timer
 * getline - delimited string input
 * getmsg - unimplemented system calls
 * getnameinfo - address-to-name translation in protocol-independent manner
 * getopt - parse command options (enhanced)
 * getopt - Parse command-line options
 * getopt_long - Parse command-line options
 * getopt_long_only - Parse command-line options
 * getpid - get process identification
 * getpmsg - unimplemented system calls
 * getppid - get process identification
 * getresgid32 - get real, effective and saved user/group IDs
 * getresuid32 - get real, effective and saved user/group IDs
 * getrlimit - get/set resource limits
 * getsid - get session ID
 * getsockopt - get and set options on sockets
 * getsubopt - parse suboption arguments from a string
 * gettext - translate message
 * gettext - translate message
 * gettextize - install or upgrade gettext infrastructure
 * gettid - get thread identification
 * gettimeofday - get / set time
 * getuid32 - get user identity
 * getumask - get file creation mask
 * getwc_unlocked - nonlocking stdio functions
 * getwchar_unlocked - nonlocking stdio functions
 * getwd - get current working directory
 * gfdl (7gcc) - GNU Free Documentation License
 * gftp - file transfer client for *NIX based machines.
 * gftp-gtk - file transfer client for *NIX based machines.
 * gftp-text - file transfer client for *NIX based machines.
 * ghostscript - Ghostscript (PostScript and PDF language interpreter and previewer)
 * gifdiff - compares GIF images
 * gifsicle - manipulates GIF images and animations
 * giftopnm - convert a GIF file into a portable anymap
 * gifview - displays GIF images and animations on the X window system
 * gimp - an image manipulation and paint program.
 * gimp-2.10 - an image manipulation and paint program.
 * gimp-console - an image manipulation and paint program.
 * gimp-console-2.10 - an image manipulation and paint program.
 * gimprc - gimp configuration file
 * gimprc-2.10 - gimp configuration file
 * ginstall-info - update info/dir entries
 * gio-querymodules - GIO module cache creation
 * gipddecode - Decode a GIPD stream into human readable form.
 * git - the stupid content tracker
 * git-add - Add file contents to the index
 * git-am - Apply a series of patches from a mailbox
 * git-annotate - Annotate file lines with commit information
 * git-apply - Apply a patch to files and/or to the index
 * git-archive - Create an archive of files from a named tree
 * git-bisect - Use binary search to find the commit that introduced a bug
 * git-blame - Show what revision and author last modified each line of a file
 * git-branch - List, create, or delete branches
 * git-bundle - Move objects and refs by archive
 * git-cat-file - Provide content or type and size information for repository objects
 * git-check-attr - Display gitattributes information
 * git-check-ignore - Debug gitignore / exclude files
 * git-check-mailmap - Show canonical names and email addresses of contacts
 * git-check-ref-format - Ensures that a reference name is well formed
 * git-checkout - Switch branches or restore working tree files
 * git-checkout-index - Copy files from the index to the working tree
 * git-cherry - Find commits yet to be applied to upstream
 * git-cherry-pick - Apply the changes introduced by some existing commits
 * git-clean - Remove untracked files from the working tree
 * git-clone - Clone a repository into a new directory
 * git-column - Display data in columns
 * git-commit - Record changes to the repository
 * git-commit-graph - Write and verify Git commit-graph files
 * git-commit-tree - Create a new commit object
 * git-config - Get and set repository or global options
 * git-count-objects - Count unpacked number of objects and their disk consumption
 * git-credential - Retrieve and store user credentials
 * git-credential-cache - Helper to temporarily store passwords in memory
 * git-credential-cache--daemon - Temporarily store user credentials in memory
 * git-credential-store - Helper to store credentials on disk
 * git-daemon - A really simple server for Git repositories
 * git-describe - Give an object a human readable name based on an available ref
 * git-diff - Show changes between commits, commit and working tree, etc
 * git-diff-files - Compares files in the working tree and the index
 * git-diff-index - Compare a tree to the working tree or index
 * git-diff-tree - Compares the content and mode of blobs found via two tree objects
 * git-difftool - Show changes using common diff tools
 * git-fast-export - Git data exporter
 * git-fast-import - Backend for fast Git data importers
 * git-fetch - Download objects and refs from another repository
 * git-fetch-pack - Receive missing objects from another repository
 * git-filter-branch - Rewrite branches
 * git-fmt-merge-msg - Produce a merge commit message
 * git-for-each-ref - Output information on each ref
 * git-format-patch - Prepare patches for e-mail submission
 * git-fsck - Verifies the connectivity and validity of the objects in the database
 * git-fsck-objects - Verifies the connectivity and validity of the objects in the database
 * git-gc - Cleanup unnecessary files and optimize the local repository
 * git-get-tar-commit-id - Extract commit ID from an archive created using git-archive
 * git-grep - Print lines matching a pattern
 * git-hash-object - Compute object ID and optionally creates a blob from a file
 * git-help - Display help information about Git
 * git-http-backend - Server side implementation of Git over HTTP
 * git-http-fetch - Download from a remote Git repository via HTTP
 * git-http-push - Push objects over HTTP/DAV to another repository
 * git-imap-send - Send a collection of patches from stdin to an IMAP folder
 * git-index-pack - Build pack index file for an existing packed archive
 * git-init - Create an empty Git repository or reinitialize an existing one
 * git-init-db - Creates an empty Git repository
 * git-instaweb - Instantly browse your working repository in gitweb
 * git-interpret-trailers - Add or parse structured information in commit messages
 * git-log - Show commit logs
 * git-ls-files - Show information about files in the index and the working tree
 * git-ls-remote - List references in a remote repository
 * git-ls-tree - List the contents of a tree object
 * git-mailinfo - Extracts patch and authorship from a single e-mail message
 * git-mailsplit - Simple UNIX mbox splitter program
 * git-merge - Join two or more development histories together
 * git-merge-base - Find as good common ancestors as possible for a merge
 * git-merge-file - Run a three-way file merge
 * git-merge-index - Run a merge for files needing merging
 * git-merge-one-file - The standard helper program to use with git-merge-index
 * git-merge-tree - Show three-way merge without touching index
 * git-mergetool - Run merge conflict resolution tools to resolve merge conflicts
 * git-mergetool--lib - Common Git merge tool shell scriptlets
 * git-mktag - Creates a tag object
 * git-mktree - Build a tree-object from ls-tree formatted text
 * git-multi-pack-index - Write and verify multi-pack-indexes
 * git-mv - Move or rename a file, a directory, or a symlink
 * git-name-rev - Find symbolic names for given revs
 * git-notes - Add or inspect object notes
 * git-pack-objects - Create a packed archive of objects
 * git-pack-redundant - Find redundant pack files
 * git-pack-refs - Pack heads and tags for efficient repository access
 * git-parse-remote - Routines to help parsing remote repository access parameters
 * git-patch-id - Compute unique ID for a patch
 * git-prune - Prune all unreachable objects from the object database
 * git-prune-packed - Remove extra objects that are already in pack files
 * git-pull - Fetch from and integrate with another repository or a local branch
 * git-push - Update remote refs along with associated objects
 * git-quiltimport - Applies a quilt patchset onto the current branch
 * git-range-diff - Compare two commit ranges (e.g. two versions of a branch)
 * git-read-tree - Reads tree information into the index
 * git-rebase - Reapply commits on top of another base tip
 * git-receive-pack - Receive what is pushed into the repository
 * git-reflog - Manage reflog information
 * git-remote - Manage set of tracked repositories
 * git-remote-ext - Bridge smart transport to external command.
 * git-remote-fd - Reflect smart transport stream back to caller
 * git-repack - Pack unpacked objects in a repository
 * git-replace - Create, list, delete refs to replace objects
 * git-request-pull - Generates a summary of pending changes
 * git-rerere - Reuse recorded resolution of conflicted merges
 * git-reset - Reset current HEAD to the specified state
 * git-restore - Restore working tree files
 * git-rev-list - Lists commit objects in reverse chronological order
 * git-rev-parse - Pick out and massage parameters
 * git-revert - Revert some existing commits
 * git-rm - Remove files from the working tree and from the index
 * git-send-pack - Push objects over Git protocol to another repository
 * git-sh-i18n - Git's i18n setup code for shell scripts
 * git-sh-i18n--envsubst - Git's own envsubst for i18n fallbacks
 * git-sh-setup - Common Git shell script setup code
 * git-shell - Restricted login shell for Git-only SSH access
 * git-shortlog - Summarize 'git log' output
 * git-show - Show various types of objects
 * git-show-branch - Show branches and their commits
 * git-show-index - Show packed archive index
 * git-show-ref - List references in a local repository
 * git-sparse-checkout - Initialize and modify the sparse-checkout configuration, which ...
 * git-stage - Add file contents to the staging area
 * git-stash - Stash the changes in a dirty working directory away
 * git-status - Show the working tree status
 * git-stripspace - Remove unnecessary whitespace
 * git-submodule - Initialize, update or inspect submodules
 * git-subtree - Merge subtrees together and split repository into subtrees
 * git-switch - Switch branches
 * git-symbolic-ref - Read, modify and delete symbolic refs
 * git-tag - Create, list, delete or verify a tag object signed with GPG
 * git-unpack-file - Creates a temporary file with a blob's contents
 * git-unpack-objects - Unpack objects from a packed archive
 * git-update-index - Register file contents in the working tree to the index
 * git-update-ref - Update the object name stored in a ref safely
 * git-update-server-info - Update auxiliary info file to help dumb servers
 * git-upload-archive - Send archive back to git-archive
 * git-upload-pack - Send objects packed back to git-fetch-pack
 * git-var - Show a Git logical variable
 * git-verify-commit - Check the GPG signature of commits
 * git-verify-pack - Validate packed Git archive files
 * git-verify-tag - Check the GPG signature of tags
 * git-web--browse - Git helper script to launch a web browser
 * git-whatchanged - Show logs with difference each commit introduces
 * git-worktree - Manage multiple working trees
 * git-write-tree - Create a tree object from the current index
 * gitattributes - Defining attributes per path
 * gitcli - Git command-line interface and conventions
 * gitcore-tutorial - A Git core tutorial for developers
 * gitcredentials - providing usernames and passwords to Git
 * gitcvs-migration - Git for CVS users
 * gitdiffcore - Tweaking diff output
 * giteveryday - A useful minimum set of commands for Everyday Git
 * gitglossary - A Git Glossary
 * githooks - Hooks used by Git
 * gitignore - Specifies intentionally untracked files to ignore
 * gitmodules - Defining submodule properties
 * gitnamespaces - Git namespaces
 * gitremote-helpers - Helper programs to interact with remote repositories
 * gitrepository-layout - Git Repository Layout
 * gitrevisions - Specifying revisions and ranges for Git
 * gitsubmodules - Mounting one repository inside another
 * gittutorial - A tutorial introduction to Git
 * gittutorial-2 - A tutorial introduction to Git: part two
 * gitweb - Git web interface (web frontend to Git repositories)
 * gitweb.conf - Gitweb (Git web interface) configuration file
 * gitworkflows - An overview of recommended workflows with Git
 * Glib::BookmarkFile (3pm)- Parser for bookmark files
 * Glib::CodeGen (3pm) - code generation utilities for Glib-based bindings.
 * Glib::Error (3pm) - Exception Objects based on GError
 * Glib::GenPod (3pm) - POD generation utilities for Glib-based modules
 * Glib::MakeHelper (3pm)- Makefile.PL utilities for Glib-based extensions
 * Glib::Markup (3pm) - markup handling functions
 * Glib::Object::Introspection (3pm)- Dynamically create Perl language bindings
 * Glib::Object::Subclass (3pm)- register a perl class as a GObject class
 * Glib::OptionContext (3pm)- defines options accepted by the commandline option parser
 * Glib::OptionGroup (3pm)- group of options for command line option parsing
 * Glib::ParseXSDoc (3pm)- Parse POD and XSub declarations from XS files.
 * Glib::Signal (3pm) - Object customization and general purpose notification
 * Glib::Utils (3pm) - Miscellaneous utility functions
 * Glib::VariantDict (3pm)- Utilities for dealing with the GVariantDict mutable interface t...
 * Glib::VariantType (3pm)- Utilities for dealing with the GVariant type system
 * Glib::version (3pm) - Library Versioning Utilities
 * glxdemo - a demonstration of the GLX functions
 * glxheads - exercise multiple GLX connections
 * glxinfo - show information about the GLX implementation
 * glyrc - search engine for music-related metadata
 * gml2gv - GML-DOT converters
 * gmtime - transform date and time to broken-down time or ASCII
 * gmtime_r - transform date and time to broken-down time or ASCII
 * gmtp - simple MP3 player client for MTP based devices
 * gnome-calculator - a desktop calculator
 * gnome-character-map - Unicode character picker and font browser
 * gnome-disk-image-mounter - Attach and mount disk images
 * gnome-disks - the GNOME Disks application
 * gnome-help - browse system documentation
 * gnome-keyring - The gnome-keyring commandline tool
 * gnome-keyring-3 - The gnome-keyring commandline tool
 * gnome-keyring-daemon - The gnome-keyring daemon
 * gnome-logs - log viewer for the systemd journal
 * gnome-power-statistics - gnome power statistics gui
 * gnome-screenshot - capture the screen, a window, or an user-defined area and save the...
 * gnome-session - Start the GNOME desktop environment
 * gnome-session-cinnamon - Start the GNOME desktop environment
 * gnome-session-cinnamon2d - Start the GNOME desktop environment
 * gnome-session-inhibit - inhibit gnome-session functionality
 * gnome-session-quit - End the current GNOME session
 * gnome-system-monitor - view and control processes
 * gnome-terminal - is a terminal emulation application.
 * gnome-terminal.wrapper - is a terminal emulation application.
 * gnote - A simple note-taking application for Gnome
 * gnu_dev_major - manage a device number
 * gnu_get_libc_release - get glibc version and release
 * gnu_get_libc_version - get glibc version and release
 * goa-daemon - GNOME Online Accounts Daemon
 * gold - The GNU ELF linker
 * gparted - GNOME Partition Editor for manipulating disk partitions.
 * gpasswd - administer /etc/group and /etc/gshadow
 * gpg - OpenPGP encryption and signing tool
 * gpg-agent - Secret key management for GnuPG
 * gpg-check-pattern - Check a passphrase on stdin against the patternfile
 * gpg-connect-agent - Communicate with a running agent
 * gpg-preset-passphrase - Put a passphrase into gpg-agent's cache
 * gpg-wks-client - Client for the Web Key Service
 * gpg-wks-server - Server providing the Web Key Service
 * gpg-zip - encrypt or sign files into an archive
 * gpgcompose - Generate a stream of OpenPGP packets
 * gpgconf - Modify .gnupg home directories
 * gpgparsemail - Parse a mail message into an annotated format
 * gpgsm - CMS encryption and signing tool
 * gpgsplit - Split an OpenPGP message into packets
 * gpgtar - Encrypt or sign files into an archive
 * gpgv - Verify OpenPGP signatures
 * gprename - complete batch renamer for Linux
 * gprof - display call graph profile data
 * gramps - (unknown subject)
 * graphml2gv - GRAPHML-DOT converter
 * graphviz - rich set of graph drawing tools
 * grep - print lines that match patterns
 * grep-aptavail - grep Debian control files
 * grep-available - grep Debian control files
 * grep-dctrl - grep Debian control files
 * grep-debtags - grep Debian control files
 * grep-status - grep Debian control files
 * grepdiff - show files modified by a diff containing a regex
 * grepjar - search files in a jar file for a pattern
 * groff - front-end for the groff document formatting system
 * grog - guess options for a following groff command
 * grops - PostScript driver for groff
 * grotty - groff driver for typewriter-like devices
 * group.conf - configuration file for the pam_group module
 * groupmems - administer members of a user's primary group
 * groupmod - modify a group definition on the system
 * growisofs - combined genisoimage frontend/DVD recording program.
 * grpck - verify integrity of group files
 * grub-kbdcomp - generate a GRUB keyboard layout file
 * grub-mkconfig - generate a GRUB configuration file
 * grub-mkimage - make a bootable image of GRUB
 * grub-mklayout - generate a GRUB keyboard layout file
 * grub-mkpasswd-pbkdf2 - generate hashed password for GRUB
 * grub-mkrescue - make a GRUB rescue image
 * grub-mkstandalone - make a memdisk-based GRUB image
 * grub-probe - probe device information for GRUB
 * gs - Ghostscript (PostScript and PDF language interpreter and previewer)
 * gsbj - Format and print text for BubbleJet printer using ghostscript
 * gsdj - Format and print text for DeskJet printer using ghostscript
 * gsdj500 - Format and print text for DeskJet 500 BubbleJet using ghostscript
 * gsettings - GSettings configuration tool
 * gslj - Format and print text for LaserJet printer using ghostscript
 * gslp - Format and print text using ghostscript
 * gsnd - Run ghostscript (PostScript and PDF engine) without display
 * gst-device-monitor-1.0 - Simple command line testing tool for GStreamer device monitors
 * gst-discoverer-1.0 - Display file metadata and stream information
 * gst-inspect-1.0 - print info about a GStreamer plugin or element
 * gst-launch-1.0 - build and run a GStreamer pipeline
 * gst-play-1.0 - Simple command line playback testing tool
 * gtk-builder-tool - GtkBuilder file utility
 * gtk-encode-symbolic-svg - Symbolic icon conversion utility
 * gtk-launch - Launch an application
 * gtk-options - Standard Command Line Options for GTK Programs
 * gtk-query-immodules-2.0 - Input method module registration utility
 * gtk-query-immodules-3.0 - Input method module registration utility
 * gtk-update-icon-cache - Icon theme caching utility
 * gts2oogl - converts a GTS file to OOGL file format (Geomview).
 * gtty - unimplemented system calls
 * gucharmap - Unicode character picker and font browser
 * gv2gml - GML-DOT converters
 * gv2gxl - GXL-GV converters
 * gvcolor - flow colors through a ranked digraph
 * gvfs - GIO virtual file system
 * gvfs-cat - (unknown subject)
 * gvfs-copy - (unknown subject)
 * gvfs-info - (unknown subject)
 * gvfs-less - Execute less on the output of gvfs-cat
 * gvfs-ls - (unknown subject)
 * gvfs-mime - (unknown subject)
 * gvfs-mkdir - (unknown subject)
 * gvfs-monitor-dir - (unknown subject)
 * gvfs-monitor-file - (unknown subject)
 * gvfs-mount - (unknown subject)
 * gvfs-move - (unknown subject)
 * gvfs-open - (unknown subject)
 * gvfs-rename - (unknown subject)
 * gvfs-rm - (unknown subject)
 * gvfs-save - (unknown subject)
 * gvfs-set-attribute - (unknown subject)
 * gvfs-trash - (unknown subject)
 * gvfs-tree - (unknown subject)
 * gvfsd - Main daemon for gvfs
 * gvfsd-fuse - Fuse daemon for gvfs
 * gvfsd-metadata - Metadata daemon for gvfs
 * gvgen - generate graphs
 * gvmap - find clusters and create a geographical map highlighting clusters.
 * gvmap.sh - pipeline for running gvmap
 * gvpack - merge and pack disjoint graphs
 * gvpr - graph pattern scanning and processing language
 * gxl2dot - GXL-GV converters
 * gxl2gv - GXL-GV converters
 * gzip - compress or expand files
 * h2xs - convert .h C header files to Perl extensions
 * happrox - returns a simplified triangulation of a set of points using algori...
 * hciattach - attach serial devices via UART HCI to BlueZ stack
 * hcitool - configure Bluetooth connections
 * hcreate - hash table management
 * hcreate_r - hash table management
 * hd - ASCII, decimal, hexadecimal, octal dump
 * hddtemp - Utility to monitor hard drive temperature
 * hdestroy - hash table management
 * hdestroy_r - hash table management
 * hdparm - get/set SATA/IDE device parameters
 * hdparm.conf - Debian configuration file for hdparm
 * header_checks - Postfix built-in content inspection
 * hexdump - ASCII, decimal, hexadecimal, octal dump
 * hier - description of the filesystem hierarchy
 * hipercdecode - Decode a HIPERC stream into human readable form.
 * hipstopgm - convert a HIPS file into a portable graymap
 * host.conf - resolver configuration file
 * hostname - show or set the system's host name
 * hostname - Local hostname configuration file
 * hostname - hostname resolution description
 * hostnamectl - Control the system hostname
 * hosts - static table lookup for hostnames
 * hosts_options - host access control language extensions
 * hp-check - Dependency/Version Check Utility
 * hp-colorcal - Printer Cartridge Color Calibration Utility
 * hp-info - Device Information Utility
 * hp-logcapture - HPLIP logs capture Utility
 * hp-makeuri - Device URI Creation Utility
 * hp-timedate - Time/Date Utility
 * hsearch - hash table management
 * hsearch_r - hash table management
 * tc-htb - Hierarchy Token Bucket
 * htcacheclean - Clean up the disk cache
 * htdbm - Manipulate DBM password databases
 * htdigest - manage user files for digest authentication
 * html2markdown - converts a page of HTML into markdown.
 * html2markdown.py3 - converts a page of HTML into markdown.
 * HTML::AsSubs (3pm) - functions that construct a HTML syntax tree
 * HTML::Element (3pm) - Class for objects that represent HTML elements
 * HTML::Element::traverse (3pm)- discussion of HTML::Element's traverse method
 * HTML::Entities (3pm)- Encode or decode strings with HTML entities
 * HTML::Filter (3pm) - Filter HTML text through the parser
 * HTML::Form (3pm) - Class that represents an HTML form element
 * HTML::FormatMarkdown (3pm)- Format HTML as Markdown
 * HTML::FormatPS (3pm)- Format HTML as PostScript
 * HTML::FormatRTF (3pm)- Format HTML as RTF
 * HTML::Formatter (3pm)- Base class for HTML formatters
 * HTML::FormatText (3pm)- Format HTML as plaintext
 * HTML::HeadParser (3pm)- Parse  section of a HTML document
 * HTML::LinkExtor (3pm)- Extract links from an HTML document
 * HTML::Parse (3pm) - Deprecated, a wrapper around HTML::TreeBuilder
 * HTML::Parser (3pm) - HTML parser class
 * HTML::PullParser (3pm)- Alternative HTML::Parser interface
 * HTML::Tagset (3pm) - data tables useful in parsing HTML
 * HTML::TokeParser (3pm)- Alternative HTML::Parser interface
 * HTML::Tree (3pm) - build and scan parse-trees of HTML
 * HTML::Tree::AboutObjects (3pm)-- article: "User's View of Object-Oriented Modules"
 * HTML::Tree::AboutTrees (3pm)-- article on tree-shaped data structures in Perl
 * HTML::Tree::Scanning (3pm)-- article: "Scanning HTML"
 * HTML::TreeBuilder (3pm)- Parser that builds a HTML syntax tree
 * htmltree (1p) - Parse the given HTML file and dump the parse tree
 * htobe16 - convert values between host and big-/little-endian byte order
 * htobe32 - convert values between host and big-/little-endian byte order
 * htobe64 - convert values between host and big-/little-endian byte order
 * htole16 - convert values between host and big-/little-endian byte order
 * htole32 - convert values between host and big-/little-endian byte order
 * htole64 - convert values between host and big-/little-endian byte order
 * htonl - convert values between host and network byte order
 * htons - convert values between host and network byte order
 * htop - interactive process viewer
 * htpasswd - Manage user files for basic authentication
 * HTTP::Config (3pm) - Configuration for request and response objects
 * HTTP::Cookies (3pm) - HTTP cookie jars
 * HTTP::Cookies::Netscape (3pm)- Access to Netscape cookies files
 * HTTP::Daemon (3pm) - A simple http server class
 * HTTP::Date (3pm) - HTTP::Date- date conversion routines
 * HTTP::Headers (3pm) - Class encapsulating HTTP Message headers
 * HTTP::Headers::Util (3pm)- Header value parsing utility functions
 * HTTP::Message (3pm) - HTTP style message (base class)
 * HTTP::Negotiate (3pm)- choose a variant to serve
 * HTTP::Request (3pm) - HTTP style request message
 * HTTP::Request::Common (3pm)- Construct common HTTP::Request objects
 * HTTP::Response (3pm)- HTTP style response message
 * HTTP::Status (3pm) - HTTP Status code processing
 * httxt2dbm - Generate dbm files for use with RewriteMap
 * hwclock - time clocks utility
 * hypnotoad (1p) - Hypnotoad HTTP and WebSocket server
 * hypot - Euclidean distance function
 * hypotf - Euclidean distance function
 * hypotl - Euclidean distance function
 * i386 - change reported architecture in new program environment and/or set...
 * ico - animate an icosahedron or other polyhedron
 * icontopbm - convert a Sun icon into a portable bitmap
 * iconv - perform character set conversion
 * iconv_close - deallocate descriptor for character set conversion
 * iconv_open - allocate descriptor for character set conversion
 * iconvconfig - create iconv module configuration cache
 * identify - describes the format and characteristics of one or more image files.
 * identify-im6 - describes the format and characteristics of one or more image files.
 * identify-im6.q16 - describes the format and characteristics of one or more image files.
 * idevicediagnostics - Interact with the diagnostics interface of a device.
 * ideviceimagemounter - Mount disk images on the device.
 * ideviceinfo - Show information about the first connected device.
 * ideviceinstaller - Manage apps on iOS devices.
 * idevicenotificationproxy - Post or observe notifications on a device.
 * ideviceprovision - Manage provisioning profiles on a device.
 * idle - make process 0 idle
 * ifcfg - simplistic script which replaces ifconfig IP management
 * ifdata - get network interface info without parsing ifconfig output
 * ifnames - Extract CPP conditionals from a set of files
 * ifquery - parse interface configuration
 * ifuse - Mount directories of an iOS device locally using fuse.
 * im-config - set up input method configuration for X Window System
 * im-launch - launch input method and execute session program
 * ImageMagick-im6.q16 - is a free software suite for the creation, modification and dis...
 * imagetops - generic image to ps filter
 * imaxabs - compute the absolute value of an integer
 * imaxdiv - compute quotient and remainder of an integer division
 * img2txt - convert images to various text-based coloured files
 * imgtoppm - convert an Img-whatnot file into a portable pixmap
 * import - saves any visible window on an X server and outputs it as an image...
 * import-im6 - saves any visible window on an X server and outputs it as an image...
 * import-im6.q16 - saves any visible window on an X server and outputs it as an image...
 * Import::Into (3pm) - Import packages into other packages
 * inet - Internet address manipulation routines
 * inet_addr - Internet address manipulation routines
 * inet_aton - Internet address manipulation routines
 * inet_lnaof - Internet address manipulation routines
 * inet_makeaddr - Internet address manipulation routines
 * inet_net_ntop - Internet network number conversion
 * inet_net_pton - Internet network number conversion
 * inet_netof - Internet address manipulation routines
 * inet_network - Internet address manipulation routines
 * inet_ntoa - Internet address manipulation routines
 * INFINITY - floating-point constants
 * info - read Info documents
 * info - readable online documentation
 * infobrowser - read Info documents
 * infocmp - compare or print out terminfo descriptions
 * infotocap - convert a terminfo description into a termcap description
 * init - systemd system and service manager
 * init-d-script - interpreter for short and simple init.d scripts
 * init_module - load a kernel module
 * initgroups - initialize the supplementary group access list
 * initramfs-tools - an introduction to writing scripts for mkinitramfs
 * initramfs.conf - configuration file for mkinitramfs
 * initrd - boot loader initialized RAM disk
 * initstate - random number generator
 * initstate_r - reentrant random number generator
 * innetgr - handle network group entries
 * inode - file inode information
 * inotify_add_watch - add a watch to an initialized inotify instance
 * inotify_init - initialize an inotify instance
 * inotify_init1 - initialize an inotify instance
 * inputattach - attach a serial line to an input-layer device
 * insmod - Simple program to insert a module into the Linux Kernel
 * install-docs - manage online Debian documentation
 * install-info - update info/dir entries
 * install-sgmlcatalog - maintain transitional SGML catalog
 * installkernel - install a new kernel image
 * integritysetup - manage dm-integrity (block level integrity) volumes
 * intel - Intel integrated graphics chipsets
 * interfaces - network interface configuration for ifup and ifdown
 * intro - introduction to user commands
 * intro - introduction to system calls
 * intro - introduction to library functions
 * intro - introduction to special files
 * intro - introduction to file formats and filesystems
 * intro - introduction to games
 * intro - introduction to overview and miscellany section
 * intro - introduction to administration and privileged commands
 * invoke-rc.d - executes System-V style init script actions
 * inxi - Command line system information script for console and IRC
 * IO::Async::Handle (3pm)- event callbacks for a non-blocking file descriptor
 * IO::Async::Listener (3pm)- listen on network sockets for incoming connections
 * IO::Async::OS (3pm) - operating system abstractions for "IO::Async"
 * IO::Async::OS::cygwin (3pm)- operating system abstractions on "cygwin" for "IO::Async"
 * IO::Async::OS::linux (3pm)- operating system abstractions on "Linux" for IO::Async
 * IO::Async::OS::MSWin32 (3pm)- operating system abstractions on "MSWin32" for "IO::Async"
 * IO::Async::Resolver (3pm)- performing name resolutions asynchronously
 * IO::Async::Test (3pm)- utility functions for use in test scripts
 * IO::HTML (3pm) - Open an HTML file with automatic charset detection
 * IO::Socket::Socks (3pm)- Provides a way to create socks client or server both 4 and 5 ve...
 * IO::Socket::SSL::Intercept (3pm)-- SSL interception (man in the middle)
 * IO::Tty (3pm) - Low-level allocate a pseudo-Tty, import constants.
 * io_cancel - cancel an outstanding asynchronous I/O operation
 * io_getevents - read asynchronous I/O events from the completion queue
 * ioctl_getfsmap - retrieve the physical layout of the filesystem
 * ioctl_iflags - ioctl operations for inode flags
 * ioctl_list - list of ioctl calls in Linux/i386 kernel
 * ioctl_ns - ioctl operations for Linux namespaces
 * ionice - set or get process I/O scheduling class and priority
 * ioperm - set port input/output permissions
 * ip - Linux IPv4 protocol implementation
 * ip-address - protocol address management
 * ip-addrlabel - protocol address label management
 * ip-fou - Foo-over-UDP receive port configuration
 * ip-gue - Generic UDP Encapsulation receive port configuration
 * ip-l2tp - L2TPv3 static unmanaged tunnel configuration
 * ip-link - network device configuration
 * ip-macsec - MACsec device configuration
 * ip-maddress - multicast addresses management
 * ip-mroute - multicast routing cache management
 * ip-neighbour - neighbour/arp tables management.
 * ip-netconf - network configuration monitoring
 * ip-netns - process network namespace management
 * ip-nexthop - nexthop object management
 * ip-ntable - neighbour table configuration
 * ip-route - routing table management
 * ip-rule - routing policy database management
 * ip-sr - IPv6 Segment Routing management
 * ip-tcp_metrics - management for TCP Metrics
 * ip-tunnel - tunnel configuration
 * ip-xfrm - transform configuration
 * ip6tables - administration tool for IPv4/IPv6 packet filtering and NAT
 * ip6tables-apply - a safer way to update iptables remotely
 * ip6tables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-legacy-restore - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-legacy-save - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-nft - iptables using nftables kernel api
 * ip6tables-nft-restore - iptables using nftables kernel api
 * ip6tables-nft-save - iptables using nftables kernel api
 * ip6tables-restore-translate - translation tool to migrate from iptables to nftables
 * ip6tables-save - dump iptables rules
 * ip6tables-translate - translation tool to migrate from ip6tables to nftables
 * IPC::Run::Timer (3pm)-- Timer channels for IPC::Run.
 * IPC::System::Simple (3pm)- Run commands simply, with detailed diagnostics
 * ipcs - show information on IPC facilities
 * ippeveprinter - an ipp everywhere printer application for cups
 * ippusbxd - Communication driver for IPP-over-USB class printers
 * iptables - administration tool for IPv4/IPv6 packet filtering and NAT
 * iptables-apply - a safer way to update iptables remotely
 * iptables-extensions - list of extensions in the standard iptables distribution
 * iptables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-legacy-restore - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-legacy-save - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-nft - iptables using nftables kernel api
 * iptables-nft-restore - iptables using nftables kernel api
 * iptables-nft-save - iptables using nftables kernel api
 * iptables-restore - Restore IP Tables
 * iptables-restore-translate - translation tool to migrate from iptables to nftables
 * iptables-save - dump iptables rules
 * iptables-translate - translation tool to migrate from iptables to nftables
 * iptables-xml - Convert iptables-save format to XML
 * iptraf-ng - Interactive Colorful IP LAN Monitor
 * ipv6 - Linux IPv6 protocol implementation
 * irqbalance - distribute hardware interrupts across processors on a multiprocess...
 * irqbalance-ui - user interface for irqbalance
 * isadump - examine ISA registers
 * isalnum - character classification functions
 * isalnum_l - character classification functions
 * isalpha - character classification functions
 * isalpha_l - character classification functions
 * isascii - character classification functions
 * isascii_l - character classification functions
 * isaset - set ISA registers
 * isastream - unimplemented system calls
 * isblank - character classification functions
 * isblank_l - character classification functions
 * iscntrl - character classification functions
 * iscntrl_l - character classification functions
 * isdigit - character classification functions
 * isdigit_l - character classification functions
 * isfinite - floating-point classification macros
 * isgraph - character classification functions
 * isgraph_l - character classification functions
 * isgreater - floating-point relational tests without exception for NaN
 * isgreaterequal - floating-point relational tests without exception for NaN
 * isinf - floating-point classification macros
 * isinff - BSD floating-point classification functions
 * isinfl - BSD floating-point classification functions
 * isless - floating-point relational tests without exception for NaN
 * islessequal - floating-point relational tests without exception for NaN
 * islessgreater - floating-point relational tests without exception for NaN
 * islower - character classification functions
 * islower_l - character classification functions
 * isnan - floating-point classification macros
 * isnanf - BSD floating-point classification functions
 * isnanl - BSD floating-point classification functions
 * isnormal - floating-point classification macros
 * iso-8859-1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-10 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-11 - ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-13 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-14 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-15 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-16 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-5 - ISO 8859-5 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-6 - ISO 8859-6 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-7 - ISO 8859-7 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-8 - ISO 8859-8 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-9 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-10 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-11 - ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-13 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-14 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-15 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-16 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-5 - ISO 8859-5 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-6 - ISO 8859-6 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-7 - ISO 8859-7 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-8 - ISO 8859-8 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-9 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_10 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_11 - ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_13 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_14 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_15 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_16 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_5 - ISO 8859-5 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_6 - ISO 8859-6 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_7 - ISO 8859-7 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_8 - ISO 8859-8 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_9 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * isodump - Utility programs for dumping and verifying iso9660 images.
 * isohybrid - Post-process an ISO 9660 image for booting as a hard disk.
 * isohybrid.pl - Postprocess ISO images for hybrid mode (Perl)
 * isoinfo - Utility programs for dumping and verifying iso9660 images.
 * isovfy - Utility programs for dumping and verifying iso9660 images.
 * ispell-autobuildhash - Autobuilding the ispell hash file for some dicts
 * ispell-wrapper - smart wrapper for ispell
 * isprint - character classification functions
 * isprint_l - character classification functions
 * ispunct - character classification functions
 * ispunct_l - character classification functions
 * isspace - character classification functions
 * isspace_l - character classification functions
 * issue - prelogin message and identification file
 * isunordered - floating-point relational tests without exception for NaN
 * isupper - character classification functions
 * isupper_l - character classification functions
 * iswctype - wide-character classification
 * iswdigit - test for decimal digit wide character
 * iswgraph - test for graphic wide character
 * iswpunct - test for punctuation or symbolic wide character
 * iswxdigit - test for hexadecimal digit wide character
 * isxdigit - character classification functions
 * isxdigit_l - character classification functions
 * iucode-tool - Tool to manipulate Intel IA-32/X86-64 microcode bundles
 * iw - show / manipulate wireless devices and their configuration
 * iwconfig - configure a wireless network interface
 * iwevent - Display Wireless Events generated by drivers and setting changes
 * iwgetid - Report ESSID, NWID or AP/Cell Address of wireless network
 * iwlist - Get more detailed wireless information from a wireless interface
 * iwpriv - configure optionals (private) parameters of a wireless network int...
 * iwspy - Get wireless statistics from specific nodes
 * j0 - Bessel functions of the first kind
 * j0f - Bessel functions of the first kind
 * j0l - Bessel functions of the first kind
 * j1 - Bessel functions of the first kind
 * j1f - Bessel functions of the first kind
 * j1l - Bessel functions of the first kind
 * jarwrapper - wrapper script to run jar files via binfmt.
 * java - Launches a Java application.
 * java-wrappers - capacities shared by java wrapper scripts
 * javac - Reads Java class and interface definitions and compiles them into ...
 * javadoc - Generates HTML pages of API documentation from Java source files.
 * jcmd - Sends diagnostic command requests to a running Java Virtual Machin...
 * jconsole - Starts a graphical console that lets you monitor and manage Java a...
 * jfs_fsck - initiate replay of the JFS transaction log, and check and repair a...
 * jfs_fscklog - extract a JFS fsck service log into a file and/or format and displ...
 * jfs_logdump - dump a JFS formatted device's journal log
 * jfs_mkfs - create a JFS formatted partition
 * jinfo - Generates configuration information. This command is experimental ...
 * jmap - Prints shared object memory maps or heap memory details for a proc...
 * jmtpfs - FUSE based filesystem for accessing MTP devices
 * jn - Bessel functions of the first kind
 * jnf - Bessel functions of the first kind
 * jnl - Bessel functions of the first kind
 * join - join lines of two files on a common field
 * join-dctrl - perform relational join on data in dctrl format
 * journalctl - Query the systemd journal
 * journald.conf - Journal service configuration files
 * journald.conf.d - Journal service configuration files
 * journald@.conf - Journal service configuration files
 * jp2a - convert JPEG images to ASCII
 * jpegexiforient - reads or writes the Exif Orientation Tag
 * jpegtopnm - convert JPEG/JFIF file to portable pixmap or graymap
 * jpegtran - lossless transformation of JPEG files
 * jpgicc - little cms ICC profile applier for JPEG.
 * jps - Lists the instrumented Java Virtual Machines (JVMs) on the target ...
 * jrunscript - Runs a command-line script shell that supports interactive and bat...
 * jstack - Prints Java thread stack traces for a Java process, core file, or ...
 * jstat - Monitors Java Virtual Machine (JVM) statistics. This command is ex...
 * jstatd - Monitors Java Virtual Machines (JVMs) and enables remote monitorin...
 * JxrDecApp - JPEG XR Decoder Utility
 * JxrEncApp - JPEG XR Encoder Utility
 * kbd_mode - report or set the keyboard mode
 * kbdinfo - obtain information about the status of a console
 * kbdrate - reset the keyboard repeat rate and delay time
 * kbookmarkmerger - A program for merging a given set of bookmarks into the user's lis...
 * kbuildsycoca5 - Rebuilds the KService desktop file system configuration cache.
 * kbxutil - List, export, import Keybox data
 * kcmp - compare two processes to determine if they share a kernel resource
 * kcookiejar5 - Command line interface to the KDE HTTP cookie daemon
 * keditbookmarks - Bookmark Organizer and Editor
 * kernel-install - Add and remove kernel and initramfs images to and from /boot
 * kerneloops - program to collect and submit kernel oopses to oops.kernel.org
 * kexec_file_load - load a new kernel for later execution
 * kexec_load - load a new kernel for later execution
 * key_decryptsession - interfaces to rpc keyserver daemon
 * key_encryptsession - interfaces to rpc keyserver daemon
 * keyboard - keyboard configuration file
 * keyctl - key management facility control
 * keyctl - manipulate the kernel's key management facility
 * keymaps - keyboard table descriptions for loadkeys and dumpkeys
 * keyrings - in-kernel key management and retention facility
 * keytool - Manages a keystore (database) of cryptographic keys, X.509 certifi...
 * keyutils - in-kernel key management utilities
 * kf5-config - Prints Qt(TM) and Frameworks installation paths
 * klogctl - read and/or clear kernel message ring buffer; set console_loglevel
 * kmod - Program to manage Linux Kernel modules
 * kmodsign - Kernel module signing tool
 * koi8-r - Russian character set encoded in octal, decimal, and hexadecimal
 * koi8-u - Ukrainian character set encoded in octal, decimal, and hexadecimal
 * kpartx - Create device maps from partition tables.
 * lame - create mp3 audio files
 * lastcomm - print out information about previously executed commands.
 * latin1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * latin10 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * latin2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * latin3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * latin4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * latin5 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * latin6 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * latin7 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * latin8 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * latin9 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * lcf - Determine which of the historical versions of a config is installed
 * ld - The GNU linker
 * ld-linux - dynamic linker/loader
 * ld-linux.so - dynamic linker/loader
 * ld.bfd - The GNU linker
 * ld.gold - The GNU ELF linker
 * ld.so - dynamic linker/loader
 * ldap.conf - LDAP configuration file/environment variables
 * ldconfig - configure dynamic linker run-time bindings
 * ldiv - compute quotient and remainder of an integer division
 * leaftoppm - convert Interleaf image format to a portable anymap
 * lefty - A Programmable Graphics Editor
 * lesspipe - "input preprocessor" for less.
 * lexgrog - parse header information in man pages
 * lgamma - log gamma function
 * lgamma_r - log gamma function
 * lgammaf - log gamma function
 * lgammaf_r - log gamma function
 * lgammal - log gamma function
 * lgammal_r - log gamma function
 * libao.conf - configuration for libao.
 * libaudit.conf - libaudit configuration file
 * libmaxminddb - a library for working with MaxMind DB files
 * libnetlink - A library for accessing the netlink service
 * libnss_myhostname.so.2 - Provide hostname resolution for the locally configured syste...
 * libnss_systemd.so.2 - Provide UNIX user and group name resolution for user/group look...
 * libOpenCL - OCL-ICD implementation of OpenCL ICD loader
 * libOpenCL.so - OCL-ICD implementation of OpenCL ICD loader
 * libsmbclient - An extension library for browsers and that can be used as a generi...
 * lightdm - a display manager
 * limits.conf - configuration file for the pam_limits module
 * link - call the link function to create a link to a file
 * link - make a new name for a file
 * linkat - make a new name for a file
 * linkicc - little cms device link generator.
 * links - lynx-like alternative character mode WWW browser
 * lintian-info - give detailed information about Lintian's error tags
 * Lintian::Check::Info - Check script meta data
 * Lintian::Command::Simple - Run commands without pipes
 * Lintian::Deb822Parser - Lintian's generic Deb822 parser functions
 * Lintian::File::Path - Lintian representation of a path entry in a package
 * Lintian::Index::Ar - binary symbol information.
 * Lintian::Index::Control::Scripts - information about maintainer scripts.
 * Lintian::Index::FileInfo - determine file type via magic.
 * Lintian::Index::Java - java information.
 * Lintian::Index::Objdump - binary symbol information.
 * Lintian::Index::Scripts - information about scripts.
 * Lintian::Inspect::Changelog -- Parse a literal version string into its constituents
 * Lintian::Inspect::Changelog::Version -- Parse a literal version string into its cons...
 * Lintian::Processable::Binary -- A deb installation package Lintian can process
 * Lintian::Processable::Binary::Changelog - collect changelog information
 * Lintian::Processable::Binary::Class - Lintian interface to binary package data collec...
 * Lintian::Processable::Binary::Copyright - collect copyright information
 * Lintian::Processable::Binary::Relation - Lintian interface to binary package data col...
 * Lintian::Processable::Buildinfo -- A buildinfo file Lintian can process
 * Lintian::Processable::Changelog::Version - Lintian interface to source package data c...
 * Lintian::Processable::Fields::Files - Lintian interface to .buildinfo or changes file...
 * Lintian::Processable::Installable - Lintian interface to binary package data collection
 * Lintian::Processable::IsNonFree - Lintian interface to source package data collection
 * Lintian::Processable::Source::Diffstat - collect diffstat information
 * Lintian::Processable::Source::Fields - Lintian interface to source package data colle...
 * Lintian::Processable::Source::Relation - Lintian interface to source package data col...
 * Lintian::Processable::Source::Repacked - Lintian interface to source package data col...
 * Lintian::Processable::Udeb -- A udeb installation package Lintian can process
 * Lintian::Relation - Lintian operations on dependencies and relationships
 * Lintian::Relation::Version - Comparison operators on Debian versions
 * Lintian::Reporting::ResourceManager -- A simple resource manager for html_reports
 * Lintian::Reporting::Util - Lintian utility functions
 * Lintian::Tag::Info - Lintian interface to tag metadata
 * Lintian::Util - Lintian utility functions
 * linux-update-symlinks - maintain symlinks to default kernel and initramfs
 * linux-version - operate on Linux kernel version strings
 * lio_listio - initiate a list of I/O requests
 * List::Compare::Functional (3pm)- Compare elements of two or more lists
 * List::MoreUtils::Contributing (3pm)- Gives rough introduction into contributing to List:...
 * List::MoreUtils::PP (3pm)- Provide List::MoreUtils pure Perl implementation
 * List::MoreUtils::XS (3pm)- Provide compiled List::MoreUtils functions
 * LIST_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail qu...
 * LIST_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queues...
 * LIST_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail queue...
 * LIST_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * listen - listen for connections on a socket
 * lldiv - compute quotient and remainder of an integer division
 * llseek - reposition read/write file offset
 * ln - make links between files
 * lneato - A Customizable Graph Editor
 * loader.conf - Configuration file for systemd-boot
 * loadkeys - load keyboard translation tables
 * loadunimap - load the kernel unicode-to-font mapping table
 * locale - get locale-specific information
 * locale - describes a locale definition file
 * locale - description of multilanguage support
 * locale-gen - generates localisation files from templates
 * locale.conf - Configuration file for locale settings
 * locale.gen - Configuration file for locale-gen
 * Locale::gettext (3pm)- message handling functions
 * Locale::gettext_dumb (3pm)- Locale unaware Implementation of Uniforum Message Translation
 * Locale::gettext_pp (3pm)- Pure Perl Implementation of Uniforum Message Translation
 * Locale::gettext_xs (3pm)- XS Implementation of Uniforum Message Translation
 * Locale::libintlFAQ (3pm)- Frequently asked questions for libintl-perl
 * Locale::Messages (3pm)- Gettext Like Message Retrieval
 * Locale::Recode (3pm)- Object-Oriented Portable Charset Conversion
 * Locale::Recode::_Conversions (3pm)- Internal Table of Known Conversions
 * Locale::RecodeData::ASMO_449 (3pm)- Conversion routines for ASMO_449
 * Locale::RecodeData::ATARI_ST (3pm)- Conversion routines for ATARI-ST
 * Locale::RecodeData::ATARI_ST_EURO (3pm)- Conversion routines for ATARI-ST-EURO
 * Locale::RecodeData::CP10007 (3pm)- Conversion routines for CP10007
 * Locale::RecodeData::CP1250 (3pm)- Conversion routines for CP1250
 * Locale::RecodeData::CP1251 (3pm)- Conversion routines for CP1251
 * Locale::RecodeData::CP1252 (3pm)- Conversion routines for CP1252
 * Locale::RecodeData::CP1253 (3pm)- Conversion routines for CP1253
 * Locale::RecodeData::CP1254 (3pm)- Conversion routines for CP1254
 * Locale::RecodeData::CP1256 (3pm)- Conversion routines for CP1256
 * Locale::RecodeData::CP1257 (3pm)- Conversion routines for CP1257
 * Locale::RecodeData::CSN_369103 (3pm)- Conversion routines for CSN_369103
 * Locale::RecodeData::CWI (3pm)- Conversion routines for CWI
 * Locale::RecodeData::DEC_MCS (3pm)- Conversion routines for DEC_MCS
 * Locale::RecodeData::EBCDIC_AT_DE (3pm)- Conversion routines for EBCDIC_AT_DE
 * Locale::RecodeData::EBCDIC_AT_DE_A (3pm)- Conversion routines for EBCDIC_AT_DE_A
 * Locale::RecodeData::EBCDIC_CA_FR (3pm)- Conversion routines for EBCDIC_CA_FR
 * Locale::RecodeData::EBCDIC_DK_NO (3pm)- Conversion routines for EBCDIC_DK_NO
 * Locale::RecodeData::EBCDIC_DK_NO_A (3pm)- Conversion routines for EBCDIC_DK_NO_A
 * Locale::RecodeData::EBCDIC_ES (3pm)- Conversion routines for EBCDIC_ES
 * Locale::RecodeData::EBCDIC_ES_A (3pm)- Conversion routines for EBCDIC_ES_A
 * Locale::RecodeData::EBCDIC_ES_S (3pm)- Conversion routines for EBCDIC_ES_S
 * Locale::RecodeData::EBCDIC_FI_SE (3pm)- Conversion routines for EBCDIC_FI_SE
 * Locale::RecodeData::EBCDIC_FI_SE_A (3pm)- Conversion routines for EBCDIC_FI_SE_A
 * Locale::RecodeData::EBCDIC_FR (3pm)- Conversion routines for EBCDIC_FR
 * Locale::RecodeData::EBCDIC_IS_FRISS (3pm)- Conversion routines for EBCDIC_IS_FRISS
 * Locale::RecodeData::EBCDIC_IT (3pm)- Conversion routines for EBCDIC_IT
 * Locale::RecodeData::EBCDIC_PT (3pm)- Conversion routines for EBCDIC_PT
 * Locale::RecodeData::EBCDIC_UK (3pm)- Conversion routines for EBCDIC_UK
 * Locale::RecodeData::EBCDIC_US (3pm)- Conversion routines for EBCDIC_US
 * Locale::RecodeData::ECMA_CYRILLIC (3pm)- Conversion routines for ECMA_CYRILLIC
 * Locale::RecodeData::GEORGIAN_ACADEMY (3pm)- Conversion routines for GEORGIAN-ACADEMY
 * Locale::RecodeData::GEORGIAN_PS (3pm)- Conversion routines for GEORGIAN-PS
 * Locale::RecodeData::GOST_19768_74 (3pm)- Conversion routines for GOST_19768_74
 * Locale::RecodeData::GREEK7 (3pm)- Conversion routines for GREEK7
 * Locale::RecodeData::GREEK7_OLD (3pm)- Conversion routines for GREEK7_OLD
 * Locale::RecodeData::GREEK_CCITT (3pm)- Conversion routines for GREEK_CCITT
 * Locale::RecodeData::HP_ROMAN8 (3pm)- Conversion routines for HP_ROMAN8
 * Locale::RecodeData::IBM037 (3pm)- Conversion routines for IBM037
 * Locale::RecodeData::IBM038 (3pm)- Conversion routines for IBM038
 * Locale::RecodeData::IBM1004 (3pm)- Conversion routines for IBM1004
 * Locale::RecodeData::IBM1026 (3pm)- Conversion routines for IBM1026
 * Locale::RecodeData::IBM1047 (3pm)- Conversion routines for IBM1047
 * Locale::RecodeData::IBM256 (3pm)- Conversion routines for IBM256
 * Locale::RecodeData::IBM273 (3pm)- Conversion routines for IBM273
 * Locale::RecodeData::IBM274 (3pm)- Conversion routines for IBM274
 * Locale::RecodeData::IBM275 (3pm)- Conversion routines for IBM275
 * Locale::RecodeData::IBM277 (3pm)- Conversion routines for IBM277
 * Locale::RecodeData::IBM278 (3pm)- Conversion routines for IBM278
 * Locale::RecodeData::IBM280 (3pm)- Conversion routines for IBM280
 * Locale::RecodeData::IBM281 (3pm)- Conversion routines for IBM281
 * Locale::RecodeData::IBM284 (3pm)- Conversion routines for IBM284
 * Locale::RecodeData::IBM285 (3pm)- Conversion routines for IBM285
 * Locale::RecodeData::IBM290 (3pm)- Conversion routines for IBM290
 * Locale::RecodeData::IBM297 (3pm)- Conversion routines for IBM297
 * Locale::RecodeData::IBM420 (3pm)- Conversion routines for IBM420
 * Locale::RecodeData::IBM423 (3pm)- Conversion routines for IBM423
 * Locale::RecodeData::IBM424 (3pm)- Conversion routines for IBM424
 * Locale::RecodeData::IBM437 (3pm)- Conversion routines for IBM437
 * Locale::RecodeData::IBM500 (3pm)- Conversion routines for IBM500
 * Locale::RecodeData::IBM850 (3pm)- Conversion routines for IBM850
 * Locale::RecodeData::IBM851 (3pm)- Conversion routines for IBM851
 * Locale::RecodeData::IBM852 (3pm)- Conversion routines for IBM852
 * Locale::RecodeData::IBM855 (3pm)- Conversion routines for IBM855
 * Locale::RecodeData::IBM857 (3pm)- Conversion routines for IBM857
 * Locale::RecodeData::IBM860 (3pm)- Conversion routines for IBM860
 * Locale::RecodeData::IBM861 (3pm)- Conversion routines for IBM861
 * Locale::RecodeData::IBM862 (3pm)- Conversion routines for IBM862
 * Locale::RecodeData::IBM863 (3pm)- Conversion routines for IBM863
 * Locale::RecodeData::IBM864 (3pm)- Conversion routines for IBM864
 * Locale::RecodeData::IBM865 (3pm)- Conversion routines for IBM865
 * Locale::RecodeData::IBM866 (3pm)- Conversion routines for IBM866
 * Locale::RecodeData::IBM868 (3pm)- Conversion routines for IBM868
 * Locale::RecodeData::IBM869 (3pm)- Conversion routines for IBM869
 * Locale::RecodeData::IBM870 (3pm)- Conversion routines for IBM870
 * Locale::RecodeData::IBM871 (3pm)- Conversion routines for IBM871
 * Locale::RecodeData::IBM874 (3pm)- Conversion routines for IBM874
 * Locale::RecodeData::IBM875 (3pm)- Conversion routines for IBM875
 * Locale::RecodeData::IBM880 (3pm)- Conversion routines for IBM880
 * Locale::RecodeData::IBM891 (3pm)- Conversion routines for IBM891
 * Locale::RecodeData::IBM903 (3pm)- Conversion routines for IBM903
 * Locale::RecodeData::IBM904 (3pm)- Conversion routines for IBM904
 * Locale::RecodeData::IBM905 (3pm)- Conversion routines for IBM905
 * Locale::RecodeData::IBM918 (3pm)- Conversion routines for IBM918
 * Locale::RecodeData::IEC_P27_1 (3pm)- Conversion routines for IEC_P27_1
 * Locale::RecodeData::INIS (3pm)- Conversion routines for INIS
 * Locale::RecodeData::INIS_8 (3pm)- Conversion routines for INIS_8
 * Locale::RecodeData::INIS_CYRILLIC (3pm)- Conversion routines for INIS_CYRILLIC
 * Locale::RecodeData::ISO_10367_BOX (3pm)- Conversion routines for ISO_10367_BOX
 * Locale::RecodeData::ISO_2033_1983 (3pm)- Conversion routines for ISO_2033_1983
 * Locale::RecodeData::ISO_5427 (3pm)- Conversion routines for ISO_5427
 * Locale::RecodeData::ISO_5427_EXT (3pm)- Conversion routines for ISO_5427_EXT
 * Locale::RecodeData::ISO_5428 (3pm)- Conversion routines for ISO_5428
 * Locale::RecodeData::ISO_8859_1 (3pm)- Conversion routines for ISO-8859-1
 * Locale::RecodeData::ISO_8859_10 (3pm)- Conversion routines for ISO-8859-10
 * Locale::RecodeData::ISO_8859_11 (3pm)- Conversion routines for ISO-8859-11
 * Locale::RecodeData::ISO_8859_13 (3pm)- Conversion routines for ISO-8859-13
 * Locale::RecodeData::ISO_8859_14 (3pm)- Conversion routines for ISO-8859-14
 * Locale::RecodeData::ISO_8859_15 (3pm)- Conversion routines for ISO-8859-15
 * Locale::RecodeData::ISO_8859_16 (3pm)- Conversion routines for ISO-8859-16
 * Locale::RecodeData::ISO_8859_2 (3pm)- Conversion routines for ISO-8859-2
 * Locale::RecodeData::ISO_8859_3 (3pm)- Conversion routines for ISO-8859-3
 * Locale::RecodeData::ISO_8859_4 (3pm)- Conversion routines for ISO-8859-4
 * Locale::RecodeData::ISO_8859_5 (3pm)- Conversion routines for ISO-8859-5
 * Locale::RecodeData::ISO_8859_6 (3pm)- Conversion routines for ISO-8859-6
 * Locale::RecodeData::ISO_8859_7 (3pm)- Conversion routines for ISO-8859-7
 * Locale::RecodeData::ISO_8859_8 (3pm)- Conversion routines for ISO-8859-8
 * Locale::RecodeData::ISO_8859_9 (3pm)- Conversion routines for ISO-8859-9
 * Locale::RecodeData::KOI8_R (3pm)- Conversion routines for KOI8-R
 * Locale::RecodeData::KOI8_RU (3pm)- Conversion routines for KOI8-RU
 * Locale::RecodeData::KOI8_T (3pm)- Conversion routines for KOI8-T
 * Locale::RecodeData::KOI8_U (3pm)- Conversion routines for KOI8-U
 * Locale::RecodeData::KOI_8 (3pm)- Conversion routines for KOI-8
 * Locale::RecodeData::LATIN_GREEK (3pm)- Conversion routines for LATIN_GREEK
 * Locale::RecodeData::LATIN_GREEK_1 (3pm)- Conversion routines for LATIN_GREEK_1
 * Locale::RecodeData::MAC_IS (3pm)- Conversion routines for MAC-IS
 * Locale::RecodeData::MAC_SAMI (3pm)- Conversion routines for MAC-SAMI
 * Locale::RecodeData::MAC_UK (3pm)- Conversion routines for MAC-UK
 * Locale::RecodeData::MACARABIC (3pm)- Conversion routines for MACARABIC
 * Locale::RecodeData::MACCROATIAN (3pm)- Conversion routines for MACCROATIAN
 * Locale::RecodeData::MACCYRILLIC (3pm)- Conversion routines for MACCYRILLIC
 * Locale::RecodeData::MACGREEK (3pm)- Conversion routines for MACGREEK
 * Locale::RecodeData::MACHEBREW (3pm)- Conversion routines for MACHEBREW
 * Locale::RecodeData::MACICELAND (3pm)- Conversion routines for MACICELAND
 * Locale::RecodeData::MACINTOSH (3pm)- Conversion routines for MACINTOSH
 * Locale::RecodeData::MACROMANIA (3pm)- Conversion routines for MACROMANIA
 * Locale::RecodeData::MACTHAI (3pm)- Conversion routines for MACTHAI
 * Locale::RecodeData::MACTURKISH (3pm)- Conversion routines for MACTURKISH
 * Locale::RecodeData::MACUKRAINE (3pm)- Conversion routines for MACUKRAINE
 * Locale::RecodeData::NATS_DANO (3pm)- Conversion routines for NATS_DANO
 * Locale::RecodeData::NATS_SEFI (3pm)- Conversion routines for NATS_SEFI
 * Locale::RecodeData::NEXTSTEP (3pm)- Conversion routines for NEXTSTEP
 * Locale::RecodeData::SAMI_WS2 (3pm)- Conversion routines for SAMI_WS2
 * Locale::RecodeData::TIS_620 (3pm)- Conversion routines for TIS-620
 * Locale::RecodeData::US_ASCII (3pm)- Conversion routines for US-ASCII
 * Locale::RecodeData::UTF_8 (3pm)- Conversion routines for UTF-8
 * Locale::RecodeData::VISCII (3pm)- Conversion routines for VISCII
 * Locale::TextDomain (3pm)- Perl Interface to Uniforum Message Translation
 * Locale::Util (3pm) - Portable l10n and i10n functions
 * localeconv - get numeric formatting information
 * localedef - compile locale definition files
 * localtime - transform date and time to broken-down time or ASCII
 * localtime - Local timezone configuration file
 * localtime_r - transform date and time to broken-down time or ASCII
 * lock - unimplemented system calls
 * log - natural logarithmic function
 * log10 - base-10 logarithmic function
 * log10f - base-10 logarithmic function
 * log10l - base-10 logarithmic function
 * log2 - base-2 logarithmic function
 * log2f - base-2 logarithmic function
 * log2l - base-2 logarithmic function
 * logf - natural logarithmic function
 * login - begin session on the system
 * login.defs - shadow password suite configuration
 * login_tty - terminal utility functions
 * logind.conf - Login manager configuration files
 * logind.conf.d - Login manager configuration files
 * logl - natural logarithmic function
 * logresolve - Resolve IP-addresses to hostnames in Apache log files
 * loimpress - LibreOffice office suite
 * look - display lines beginning with a given string
 * lowntfs-3g - Third Generation Read/Write NTFS Driver
 * lpinfo - show available devices or drivers (deprecated)
 * lpmove - move a job or all jobs to a new destination
 * lpoptions - display or set printer options and defaults
 * lprm - cancel print jobs
 * lpstat - print cups status information
 * lsb_release - print distribution-specific information
 * lscpu - display information about the CPU architecture
 * lseek - reposition read/write file offset
 * lseek64 - reposition 64-bit read/write file offset
 * lsinitramfs - list content of an initramfs image
 * lsipc - show information on IPC facilities currently employed in the system
 * lslogins - display information about known users in the system
 * lspcmcia - display extended PCMCIA debugging information
 * lspgpot - extracts the ownertrust values from PGP keyrings and list them in ...
 * lss16toppm - Convert an LSS-16 image to PPM
 * ltrace.conf - Configuration file for ltrace.
 * lutimes - change file timestamps
 * lvdisplay - Display information about a logical volume
 * lvm-config - Display and manipulate configuration information
 * lvm-dumpconfig - Display and manipulate configuration information
 * lvm.conf - Configuration file for LVM2
 * lvm2-activation-generator - generator for systemd units to activate LVM volumes on boot
 * lvmconfig - Display and manipulate configuration information
 * lvmdiskscan - List devices that may be used as physical volumes
 * lvmdump - create lvm2 information dumps for diagnostic purposes
 * lvmthin - LVM thin provisioning
 * lvmvdo - EXPERIMENTAL LVM Virtual Data Optimizer support
 * lvs - Display information about logical volumes
 * lwp-mirror (1p) - Simple mirror utility
 * lwp-request (1p) - Simple command line user agent
 * LWP::Authen::Ntlm (3pm)- Library for enabling NTLM authentication (Microsoft) in LWP
 * LWP::ConnCache (3pm)- Connection cache manager
 * LWP::MediaTypes (3pm)- guess media type for a file or a URL
 * LWP::Protocol::https (3pm)- Provide https support for LWP::UserAgent
 * LWP::Simple (3pm) - simple procedural interface to LWP
 * lynx - a general purpose distributed information browser for the World Wi...
 * lz - gunzips and shows a listing of a gzip'd tar'd archive
 * lzegrep - search compressed files for a regular expression
 * lzfgrep - search compressed files for a regular expression
 * lzgrep - search compressed files for a regular expression
 * lzmainfo - show information stored in the .lzma file header
 * machine-id - Local machine ID configuration file
 * machine-info - Local machine information file
 * madvise1 - unimplemented system calls
 * Mail::Field (3pm) - base-class for manipulation of mail header fields
 * Mail::Field::AddrList (3pm)- object representation of e-mail address lists
 * Mail::Field::Generic (3pm)- implementation for inspecific fields
 * Mail::Header (3pm) - manipulate MIME headers
 * Mail::Mailer (3pm) - send simple emails
 * Mail::Send (3pm) - Simple electronic mail interface
 * Mail::Sendmail (3pm)- Simple platform independent mailer
 * Mail::Util (3pm) - mail utility functions
 * mailaddr - mail addressing description
 * mailcap.order - the mailcap ordering specifications
 * mailto.conf - configuration file for cups email notifier
 * maim - make image
 * major - manage a device number
 * makedefs - Postfix makefile configuration utility
 * mallinfo - obtain memory allocation information
 * malloc_get_state - record and restore state of malloc implementation
 * malloc_info - export malloc state to a stream
 * malloc_set_state - record and restore state of malloc implementation
 * malloc_stats - print memory allocation statistics
 * malloc_trim - release free memory from the heap
 * mallopt - set memory allocation parameters
 * man-pages - conventions for writing Linux man pages
 * master - Postfix master process configuration file format
 * math_error - detecting errors from mathematical functions
 * matherr - SVID math library exception handling
 * MB_CUR_MAX - maximum length of a multibyte character in the current locale
 * MB_LEN_MAX - maximum multibyte length of a character across all locales
 * mbsinit - test for initial shift state
 * mcat - dump raw disk image
 * mcedit - Internal file editor of GNU Midnight Commander.
 * mcheck - heap consistency checking
 * mcheck_check_all - heap consistency checking
 * mcheck_pedantic - heap consistency checking
 * mcview - Internal file viewer of GNU Midnight Commander.
 * mdig - DNS pipelined lookup utility
 * mechanize - mechanize Documentation
 * memcache_table - Postfix memcache client configuration
 * memdiskfind - Simple utility to find a resident memdisk instance.
 * memusagestat - generate graphic from memory profiling data
 * metacity - minimal GTK3 Window Manager
 * migrate-pubring-from-classic-gpg - Migrate a public keyring from "classic" to "modern...
 * mii-tool - view, manipulate media-independent interface status
 * mime.convs - mime type conversion file for cups (deprecated)
 * mime.types - mime type description file for cups
 * mimeopen (1p) - Open files by mimetype
 * mimetype (1p) - Determine file type
 * minfo - print the parameters of a MSDOS filesystem
 * minisat - fast and lightweight SAT solver
 * mintstick - gui only application to write .img and .iso files to USB keys
 * mispipe - pipe two commands, returning the exit status of the first
 * mkdiskimage - Create a blank MS-DOS formatted hard disk image
 * mke2fs.conf - Configuration file for mke2fs
 * mkfatimage16 - generate a virtual drive image suitable for DOSEMU
 * mkfifo - make FIFOs (named pipes)
 * mkfifo - make a FIFO special file (a named pipe)
 * mkfifoat - make a FIFO special file (a named pipe)
 * mkfs.hfsplus - construct a new HFS Plus file system
 * mkfs.jfs - create a JFS formatted partition
 * mkinitramfs - low-level tool for generating an initramfs image
 * mkisofs - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * mkmanifest - makes list of file names and their DOS 8+3 equivalent
 * mkstemp - create a unique temporary file
 * mkstemps - create a unique temporary file
 * mktime - transform date and time to broken-down time or ASCII
 * mm2gv - Matrix Market-DOT converters
 * ModemManager - mobile broadband modem management daemon
 * modf - extract signed integral and fractional values from floating-point ...
 * modff - extract signed integral and fractional values from floating-point ...
 * modfl - extract signed integral and fractional values from floating-point ...
 * modinfo - Show information about a Linux Kernel module
 * modprobe.d - Configuration directory for modprobe
 * Module::Implementation (3pm)- Loads one of several alternate underlying implementations ...
 * Module::Runtime (3pm)- runtime module handling
 * modules - kernel modules to load at boot time
 * modules.dep - Module dependency information
 * modules.dep.bin - Module dependency information
 * mogrify - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mogrify-im6 - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mogrify-im6.q16 - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mojo (1p) - The Mojolicious command system
 * Mojo::Asset (3pm) - HTTP content storage base class
 * Mojo::Asset::File (3pm)- File storage for HTTP content
 * Mojo::Asset::Memory (3pm)- In-memory storage for HTTP content
 * Mojo::Base (3pm) - Minimal base class for Mojo projects
 * Mojo::ByteStream (3pm)- ByteStream
 * Mojo::Cache (3pm) - Naive in-memory cache
 * Mojo::Collection (3pm)- Collection
 * Mojo::Content (3pm) - HTTP content base class
 * Mojo::Content::MultiPart (3pm)- HTTP multipart content
 * Mojo::Content::Single (3pm)- HTTP content
 * Mojo::Cookie (3pm) - HTTP cookie base class
 * Mojo::Cookie::Request (3pm)- HTTP request cookie
 * Mojo::Cookie::Response (3pm)- HTTP response cookie
 * Mojo::Date (3pm) - HTTP date
 * Mojo::DOM (3pm) - Minimalistic HTML/XML DOM parser with CSS selectors
 * Mojo::DOM::CSS (3pm)- CSS selector engine
 * Mojo::DOM::HTML (3pm)- HTML/XML engine
 * Mojo::DynamicMethods (3pm)- Fast dynamic method dispatch
 * Mojo::EventEmitter (3pm)- Event emitter base class
 * Mojo::Exception (3pm)- Exception base class
 * Mojo::File (3pm) - File system paths
 * Mojo::Headers (3pm) - HTTP headers
 * Mojo::HelloWorld (3pm)- Hello World!
 * Mojo::Home (3pm) - Home sweet home
 * Mojo::IOLoop (3pm) - Minimalistic event loop
 * Mojo::IOLoop::Client (3pm)- Non-blocking TCP/IP and UNIX domain socket client
 * Mojo::IOLoop::Delay (3pm)- Promises/A+ and flow-control helpers
 * Mojo::IOLoop::Server (3pm)- Non-blocking TCP and UNIX domain socket server
 * Mojo::IOLoop::Stream (3pm)- Non-blocking I/O stream
 * Mojo::IOLoop::Subprocess (3pm)- Subprocesses
 * Mojo::IOLoop::TLS (3pm)- Non-blocking TLS handshake
 * Mojo::JSON (3pm) - Minimalistic JSON
 * Mojo::JSON::Pointer (3pm)- JSON Pointers
 * Mojo::Loader (3pm) - Load all kinds of things
 * Mojo::Log (3pm) - Simple logger
 * Mojo::Message (3pm) - HTTP message base class
 * Mojo::Message::Request (3pm)- HTTP request
 * Mojo::Message::Response (3pm)- HTTP response
 * Mojo::Parameters (3pm)- Parameters
 * Mojo::Path (3pm) - Path
 * Mojo::Promise (3pm) - Promises/A+
 * Mojo::Reactor (3pm) - Low-level event reactor base class
 * Mojo::Reactor::EV (3pm)- Low-level event reactor with libev support
 * Mojo::Reactor::Poll (3pm)- Low-level event reactor with poll support
 * Mojo::Server (3pm) - HTTP/WebSocket server base class
 * Mojo::Server::CGI (3pm)- CGI server
 * Mojo::Server::Daemon (3pm)- Non-blocking I/O HTTP and WebSocket server
 * Mojo::Server::FastCGI (3pm)- FastCGI Server
 * Mojo::Server::Hypnotoad (3pm)- A production web serv...ALL GLORY TO THE HYPNOTOAD!
 * Mojo::Server::Morbo (3pm)- Tonight at 11...DOOOOOOOOOOOOOOOM!
 * Mojo::Server::Morbo::Backend (3pm)- Morbo backend base class
 * Mojo::Server::Morbo::Backend::Poll (3pm)- Morbo default backend
 * Mojo::Server::Prefork (3pm)- Pre-forking non-blocking I/O HTTP and WebSocket server
 * Mojo::Server::PSGI (3pm)- PSGI server
 * Mojo::Template (3pm)- Perl-ish templates
 * Mojo::Transaction (3pm)- Transaction base class
 * Mojo::Transaction::HTTP (3pm)- HTTP transaction
 * Mojo::Transaction::WebSocket (3pm)- WebSocket transaction
 * Mojo::Upload (3pm) - Upload
 * Mojo::URL (3pm) - Uniform Resource Locator
 * Mojo::UserAgent (3pm)- Non-blocking I/O HTTP and WebSocket user agent
 * Mojo::UserAgent::CookieJar (3pm)- Cookie jar for HTTP user agents
 * Mojo::UserAgent::Proxy (3pm)- User agent proxy manager
 * Mojo::UserAgent::Server (3pm)- Application server
 * Mojo::UserAgent::Transactor (3pm)- User agent transactor
 * Mojo::Util (3pm) - Portable utility functions
 * Mojo::WebSocket (3pm)- The WebSocket protocol
 * Mojolicious (3pm) - Real-time web framework
 * Mojolicious::Command (3pm)- Command base class
 * Mojolicious::Command::Author::cpanify (3pm)- CPAN-ify command
 * Mojolicious::Command::Author::generate (3pm)- Generator command
 * Mojolicious::Command::Author::generate::app (3pm)- App generator command
 * Mojolicious::Command::Author::generate::lit... (3pm)- Lite app generator command
 * Mojolicious::Command::Author::generate::mak... (3pm)- Makefile generator command
 * Mojolicious::Command::Author::generate::plugin (3pm)- Plugin generator command
 * Mojolicious::Command::Author::inflate (3pm)- Inflate command
 * Mojolicious::Command::cgi (3pm)- CGI command
 * Mojolicious::Command::daemon (3pm)- Daemon command
 * Mojolicious::Command::eval (3pm)- Eval command
 * Mojolicious::Command::fastcgi (3pm)- FastCGI Command
 * Mojolicious::Command::get (3pm)- Get command
 * Mojolicious::Command::prefork (3pm)- Pre-fork command
 * Mojolicious::Command::psgi (3pm)- PSGI command
 * Mojolicious::Command::routes (3pm)- Routes command
 * Mojolicious::Command::version (3pm)- Version command
 * Mojolicious::Commands (3pm)- Command line interface
 * Mojolicious::Controller (3pm)- Controller base class
 * Mojolicious::Guides (3pm)- The Mojolicious Guide to the Galaxy
 * Mojolicious::Guides::Contributing (3pm)- Contributing to Mojolicious
 * Mojolicious::Guides::Cookbook (3pm)- Cooking with Mojolicious
 * Mojolicious::Guides::FAQ (3pm)- Frequently Asked Questions
 * Mojolicious::Guides::Growing (3pm)- Growing Mojolicious applications
 * Mojolicious::Guides::Rendering (3pm)- Rendering content
 * Mojolicious::Guides::Routing (3pm)- Routing requests
 * Mojolicious::Guides::Testing (3pm)- Web Application Testing Made Easy
 * Mojolicious::Guides::Tutorial (3pm)- Get started with Mojolicious
 * Mojolicious::Lite (3pm)- Micro real-time web framework
 * Mojolicious::Plugin (3pm)- Plugin base class
 * Mojolicious::Plugin::Config (3pm)- Perl-ish configuration plugin
 * Mojolicious::Plugin::DefaultHelpers (3pm)- Default helpers plugin
 * Mojolicious::Plugin::EPLRenderer (3pm)- Embedded Perl Lite renderer plugin
 * Mojolicious::Plugin::EPRenderer (3pm)- Embedded Perl renderer plugin
 * Mojolicious::Plugin::HeaderCondition (3pm)- Header condition plugin
 * Mojolicious::Plugin::JSONConfig (3pm)- JSON configuration plugin
 * Mojolicious::Plugin::Mount (3pm)- Application mount plugin
 * Mojolicious::Plugin::TagHelpers (3pm)- Tag helpers plugin
 * Mojolicious::Plugins (3pm)- Plugin manager
 * Mojolicious::Renderer (3pm)- Generate dynamic content
 * Mojolicious::Routes (3pm)- Always find your destination with routes
 * Mojolicious::Routes::Match (3pm)- Find routes
 * Mojolicious::Routes::Pattern (3pm)- Route pattern
 * Mojolicious::Routes::Route (3pm)- Route
 * Mojolicious::Sessions (3pm)- Session manager based on signed cookies
 * Mojolicious::Static (3pm)- Serve static files
 * Mojolicious::Types (3pm)- MIME types
 * Mojolicious::Validator (3pm)- Validate values
 * Mojolicious::Validator::Validation (3pm)- Perform validations
 * mono - Mono's ECMA-CLI native code generator (Just-in-Time and Ahead-of-T...
 * mono-config - Mono runtime file format configuration
 * montage - create a composite image by combining several separate images. The...
 * montage-im6 - create a composite image by combining several separate images. The...
 * montage-im6.q16 - create a composite image by combining several separate images. The...
 * Moo (3pm) - Minimalist Object Orientation (with Moose compatibility)
 * Moo::Role (3pm) - Minimal Object Orientation support for Roles
 * morbo (1p) - Morbo HTTP and WebSocket development server
 * mount.ecryptfs_private - eCryptfs private mount helper.
 * mount.fuse - format and options for the fuse file systems
 * mount.lowntfs-3g - Third Generation Read/Write NTFS Driver
 * mount.ntfs - Third Generation Read/Write NTFS Driver
 * mount.ntfs-3g - Third Generation Read/Write NTFS Driver
 * mpartition - partition an MSDOS hard disk
 * mprobe - heap consistency checking
 * mprotect - set protection on a region of memory
 * mpx - unimplemented system calls
 * mq_notify - register for notification when a message is available
 * mq_notify - register for notification when a message is available
 * mq_timedreceive - receive a message from a message queue
 * mq_timedreceive - receive a message from a message queue
 * mq_timedsend - send a message to a message queue
 * mq_timedsend - send a message to a message queue
 * mq_unlink - remove a message queue
 * mq_unlink - remove a message queue
 * msgattrib - attribute matching and manipulation on message catalog
 * msgconv - character set conversion for message catalog
 * msgctl - System V message control operations
 * msgexec - process translations of message catalog
 * msgfilter - edit translations of message catalog
 * msgfmt - compile message catalog to binary format
 * msggrep - pattern matching on message catalog
 * msginit - initialize a message catalog
 * msgop - System V message queue operations
 * msgrcv - System V message queue operations
 * msgsnd - System V message queue operations
 * msguniq - unify duplicate translations in message catalog
 * mt - control magnetic tape drive operation
 * mt-gnu - control magnetic tape drive operation
 * mtools - mtools configuration files
 * mtools.conf - mtools configuration files
 * mtoolstest - tests and displays the configuration
 * mtr - a network diagnostic tool
 * myisam_ftdump - display full-text index information
 * mysql_config_editor - configure authentication information for connecting to MySQL se...
 * mysqladmin - a MySQL server administration program
 * mysqlimport - a data import program
 * mysqloptimize - a table maintenance program
 * mysqlreport - Makes a friendly report of important MySQL status values
 * mysqlshow - display database, table, and column information
 * mysqlslap - a load emulation client
 * mzip - change protection mode and eject disk on Zip/Jaz drive
 * namespace.conf - the namespace configuration file
 * namespace::clean (3pm)- Keep imports and functions out of your namespace
 * nanorc - GNU nano's configuration file
 * nanosleep - high-resolution sleep
 * nc - arbitrary TCP and UDP connections and listens
 * nc.openbsd - arbitrary TCP and UDP connections and listens
 * nc_openbsd - arbitrary TCP and UDP connections and listens
 * neato - filter for drawing undirected graphs
 * nemo - the Cinnamon File Manager
 * neofetch - A fast, highly customizable system info script
 * neqn - format equations for ASCII output
 * net - Tool for administration of Samba and remote CIFS servers.
 * Net::DBus (3pm) - Perl extension for the DBus message system
 * Net::DBus::Annotation (3pm)- annotations for changing behaviour of APIs
 * Net::DBus::Binding::Connection (3pm)- A connection between client and server
 * Net::DBus::Binding::Introspector (3pm)- Handler for object introspection data
 * Net::DBus::Binding::Server (3pm)- A server to accept incoming connections
 * Net::DBus::Error (3pm)- Error details for remote method invocation
 * Net::DBus::Object (3pm)- Implement objects to export to the bus
 * Net::DBus::ProxyObject (3pm)- Implement objects to export to the bus
 * Net::DBus::Reactor (3pm)- application event loop
 * Net::DBus::Test::MockConnection (3pm)- Fake a connection to the bus unit testing
 * Net::DNS::DomainName (3pm)- DNS name representation
 * Net::DNS::FAQ (3pm) - Frequently Asked Net::DNS Questions
 * Net::DNS::Mailbox (3pm)- DNS mailbox representation
 * Net::DNS::Question (3pm)- DNS question record
 * Net::DNS::RR::HINFO (3pm)- DNS HINFO resource record
 * Net::DNS::RR::IPSECKEY (3pm)- DNS IPSECKEY resource record
 * Net::DNS::RR::MINFO (3pm)- DNS MINFO resource record
 * Net::DNS::RR::SMIMEA (3pm)- DNS SMIMEA resource record
 * Net::DNS::Text (3pm)- DNS text representation
 * Net::HTTP (3pm) - Low-level HTTP connection (client)
 * Net::HTTP::NB (3pm) - Non-blocking HTTP client
 * Net::HTTPS (3pm) - Low-level HTTP over SSL/TLS connection (client)
 * Net::IP (3pm) - Perl extension for manipulating IPv4/IPv6 addresses
 * Net::LibIDN (3pm) - Perl bindings for GNU Libidn
 * Net::SSLeay (3pm) - Perl extension for using OpenSSL
 * Net::SSLeay::Handle (3pm)- Perl module that lets SSL (HTTPS) sockets be handled as stand...
 * netcat - arbitrary TCP and UDP connections and listens
 * netkit-netrc - user configuration for ftp
 * netlink - Netlink macros
 * netlink - communication between kernel and user space (AF_NETLINK)
 * netpbm - package of graphics manipulation programs and libraries
 * netplan - YAML network configuration abstraction for various backends
 * netplan-apply - apply configuration from netplan YAML files to a running system
 * netplan-generate - generate backend configuration from netplan YAML files
 * netplan-try - try a configuration, optionally rolling it back
 * netrc - user configuration for ftp
 * netstat - Print network connections, routing tables, interface statistics, m...
 * networkctl - Query the status of network links
 * networkd-dispatcher - Dispatcher service for systemd-networkd connection status changes
 * networkd.conf - Global Network configuration files
 * networkd.conf.d - Global Network configuration files
 * NetworkManager - network management daemon
 * NetworkManager.conf - NetworkManager configuration file
 * networks - network name information
 * nextafter - floating-point number manipulation
 * nextafterf - floating-point number manipulation
 * nextafterl - floating-point number manipulation
 * nextdown - return next floating-point number toward positive/negative infinity
 * nextdownf - return next floating-point number toward positive/negative infinity
 * nextdownl - return next floating-point number toward positive/negative infinity
 * nexttoward - floating-point number manipulation
 * nexttowardf - floating-point number manipulation
 * nexttowardl - floating-point number manipulation
 * nextup - return next floating-point number toward positive/negative infinity
 * nextupf - return next floating-point number toward positive/negative infinity
 * nextupl - return next floating-point number toward positive/negative infinity
 * ngettext - translate message and choose plural form
 * ngettext - translate message and choose plural form
 * nisdomainname - show or set the system's NIS/YP domain name
 * nl_langinfo - query language and locale information
 * nl_langinfo_l - query language and locale information
 * nm-connection-editor - network connection editor for NetworkManager
 * nm-initrd-generator - early boot NetworkManager configuration generator
 * nm-online - ask NetworkManager whether the network is connected
 * nm-settings - Description of settings and properties of NetworkManager connectio...
 * nm-settings-keyfile - Description of keyfile settings plugin
 * nm-system-settings.conf - NetworkManager configuration file
 * nmcli - command-line tool for controlling NetworkManager
 * nmtui - Text User Interface for controlling NetworkManager
 * nmtui-connect - Text User Interface for controlling NetworkManager
 * nmtui-edit - Text User Interface for controlling NetworkManager
 * nmtui-hostname - Text User Interface for controlling NetworkManager
 * nohup - run a command immune to hangups, with output to a non-tty
 * nop - pretty-print graph file
 * notifier - cups notification interface
 * notify-send - a program to send desktop notifications
 * nroff - use groff to format documents for TTY devices
 * nss - Name Service Switch configuration file
 * nss-myhostname - Provide hostname resolution for the locally configured system host...
 * nss-systemd - Provide UNIX user and group name resolution for user/group lookup ...
 * nsswitch.conf - Name Service Switch configuration file
 * ntfs-3g - Third Generation Read/Write NTFS Driver
 * ntfsclone - Efficiently clone, image, restore or rescue an NTFS
 * ntfscluster - identify files in a specified region of an NTFS volume.
 * ntfsinfo - dump a file's attributes
 * ntfswipe - overwrite unused space on an NTFS volume
 * ntp_adjtime - tune kernel clock
 * ntp_gettime - get time parameters (NTP daemon interface)
 * ntp_gettimex - get time parameters (NTP daemon interface)
 * null - data sink
 * objdump - display information from object files
 * oggdec - simple decoder, Ogg Vorbis file to PCM audio file (Wave or RAW).
 * ogginfo - gives information about Ogg files, and does extensive validity che...
 * ojo (3pm) - Fun one-liners with Mojo
 * oldolduname - get name and information about current kernel
 * olduname - get name and information about current kernel
 * on_exit - register a function to be called at normal process termination
 * onboard-settings - On-screen Keyboard (configuration dialog)
 * openproc - initialize process information from /proc/
 * openpty - terminal utility functions
 * openssl-c_rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-ca (1ssl) - sample minimal CA application
 * openssl-dgst (1ssl) - perform digest operations
 * openssl-dhparam (1ssl)- DH parameter manipulation and generation
 * openssl-dsaparam (1ssl)- DSA parameter manipulation and generation
 * openssl-ecparam (1ssl)- EC parameter manipulation and generation
 * openssl-gendsa (1ssl)- generate a DSA private key from a set of parameters
 * openssl-genpkey (1ssl)- generate a private key
 * openssl-genrsa (1ssl)- generate an RSA private key
 * openssl-pkcs8 (1ssl)- PKCS#8 format private key conversion tool
 * openssl-pkey (1ssl) - public or private key processing tool
 * openssl-prime (1ssl)- compute prime numbers
 * openssl-rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-s_time (1ssl)- SSL/TLS performance timing program
 * openssl-sess_id (1ssl)- SSL/TLS session handling utility
 * openssl-smime (1ssl)- S/MIME utility
 * openssl-ts (1ssl) - Time Stamping Authority tool (client/server)
 * openssl-tsget (1ssl)- Time Stamping HTTP/HTTPS client
 * openssl-version (1ssl)- print OpenSSL version information
 * operator - C operator precedence and order of evaluation
 * optarg - Parse command-line options
 * opterr - Parse command-line options
 * optind - Parse command-line options
 * optipng - Optimize Portable Network Graphics files
 * optopt - Parse command-line options
 * org.debian.apt.transaction - the main interface of an aptdaemon transaction
 * os-release - Operating system identification
 * osage - filter for drawing clustered graphs
 * ossl_store (7ssl) - Store retrieval functions
 * p7zip - Wrapper on 7-Zip file archiver with high compression ratio
 * Package::Stash::PP (3pm)- pure perl implementation of the Package::Stash API
 * pacmd - Reconfigure a PulseAudio sound server during runtime
 * pam - Pluggable Authentication Modules for Linux
 * pam-auth-update - manage PAM configuration using packaged profiles
 * pam.conf - PAM configuration files
 * pam.d - PAM configuration files
 * pam_deny - The locking-out PAM module
 * pam_extrausers - Module for libnss-extrausers authentication
 * pam_faildelay - Change the delay on failure per-application
 * pam_keyinit - Kernel session keyring initialiser module
 * pam_limits - PAM module to limit resources
 * pam_mail - Inform about available mail
 * pam_namespace - PAM module for configuring namespace for a session
 * pam_securetty - Limit root login to special devices
 * pam_systemd - Register user sessions in the systemd login manager
 * pam_time - PAM module for time control access
 * pam_timestamp - Authenticate using cached successful authentication attempts
 * pam_timestamp_check - Check to see if the default timestamp is valid
 * pam_umask - PAM module to set the file mode creation mask
 * pam_unix - Module for traditional password authentication
 * pamcut - cut a rectangle out of a PAM, PBM, PGM, or PPM image
 * pamdeinterlace - remove ever other row from a PAM/PNM image
 * pamdice - slice a Netpbm image into many horizontally and/or vertically
 * pamoil - turn a PAM image into an oil painting
 * pamstack - stack planes of multiple PAM images into one PAM image
 * pamstretch - scale up a PNM or PAM image by interpolating between pixels
 * Pango (3pm) - layout and render international text
 * Pango::AttrFontDesc (3pm)- Pango description of a font
 * Pango::AttrGravity (3pm)- Pango gravity attribute
 * Pango::AttrGravityHint (3pm)- Pango gravity hint attribute
 * Pango::AttrList (3pm)- holds attributes that apply to a section of text
 * Pango::AttrStrikethroughColor (3pm)- Pango color strikethrough color attribute
 * Pango::AttrWeight (3pm)- Pango font weight attribute
 * Pango::Context (3pm)- Pango object that stores global information used to control the it...
 * Pango::Font (3pm) - a rendering-system independent font representation
 * Pango::FontDescription (3pm)- Pango object to represent a description of a font
 * Pango::FontMetrics (3pm)- object for Pango containing overall metric information for a font
 * Pango::Gravity (3pm)- represents the orientation of glyphs in a segment of text
 * Pango::Layout (3pm) - an object representing a paragraph of text with attributes
 * Pango::Matrix (3pm) - A structure specifying a transformation between user-space coordin...
 * Pango::version (3pm)- get and check the version of Pango that this was compiled against
 * paperconf - print paper configuration information
 * par - filter for reformatting paragraphs
 * Params::Classify (3pm)- argument type classification
 * parted - a partition manipulation program
 * partprobe - inform the OS of partition table changes
 * partx - tell the kernel about the presence and numbering of on-disk partit...
 * passwd2des - RFS password encryption
 * patchwork - filter for drawing clustered graphs as treemaps
 * path_resolution - how a pathname is resolved to a file
 * pathconf - get configuration values for files
 * pbmreduce - read a portable bitmap and reduce it N times
 * pbmto10x - convert a portable bitmap into Gemini 10X printer graphics
 * pbmtoascii - convert a portable bitmap into ASCII graphics
 * pbmtobbnbg - convert a portable bitmap into BitGraph graphics
 * pbmtoepson - convert a portable bitmap into Epson printer graphics
 * pbmtogem - convert a portable bitmap into a GEM .img file
 * pbmtogo - convert a portable bitmap into compressed GraphOn graphics
 * pbmtopi3 - convert a portable bitmap into an Atari Degas .pi3 file
 * pbmtoppa - convert PBM image to HP Printer Performance Architecture (PPA)
 * pbmtopsg3 - convert PBM images to Postscript with G3 fax compression
 * pbmtoptx - convert a portable bitmap into Printronix printer graphics
 * pciconfig_iobase - pci device information handling
 * pciconfig_read - pci device information handling
 * pciconfig_write - pci device information handling
 * pclose - pipe stream to or from a process
 * pcrepattern - Perl-compatible regular expressions
 * pdf2ps - Ghostscript PDF to PostScript translator
 * pdfattach - Portable Document Format (PDF) document embedded file creator (ver...
 * pdfdetach - Portable Document Format (PDF) document embedded file extractor (v...
 * pdffonts - Portable Document Format (PDF) font analyzer (version 3.03)
 * pdfimages - Portable Document Format (PDF) image extractor (version 3.03)
 * pdfinfo - Portable Document Format (PDF) document information extractor (ver...
 * pdfsig - Portable Document Format (PDF) digital signatures tool
 * pdftocairo - Portable Document Format (PDF) to PNG/JPEG/TIFF/PDF/PS/EPS/SVG usi...
 * pdftohtml - program to convert PDF files into HTML, XML and PNG images
 * pdftoppm - Portable Document Format (PDF) to Portable Pixmap (PPM) converter ...
 * pdftops - Portable Document Format (PDF) to PostScript converter (version 3.03)
 * pdftotext - Portable Document Format (PDF) to text converter (version 3.03)
 * pee - tee standard input to pipes
 * perl5.30-i386-linux-gnu - The Perl 5 language interpreter
 * PerlIO::gzip (3pm) - Perl extension to provide a PerlIO layer to gzip/gunzip
 * perlivp - Perl Installation Verification Procedure
 * perlsh (1p) - one-line perl evaluator with line editing function and variable na...
 * personality - set the process execution domain
 * pf2afm - Make an AFM file from Postscript (PFB/PFA/PFM) font files using gh...
 * pfbtopfa - Convert Postscript .pfb fonts to .pfa format using ghostscript
 * pgmkernel - generate a convolution kernel
 * pgmnorm - normalize the contrast in a Netbpm image
 * pgmoil - turn a PAM image into an oil painting
 * pgmslice - extract one line of pixel values out of a portable graymap
 * pgmtexture - calculate textural features on a portable graymap
 * pgmtofs - convert portable graymap to Usenix FaceSaver(tm) format
 * pgmtolispm - convert a portable graymap into Lisp Machine format
 * pgmtopbm - convert a portable graymap into a portable bitmap
 * pgmtoppm - colorize a portable graymap into a portable pixmap
 * pgrep - look up or signal processes based on name and other attributes
 * phys - unimplemented system calls
 * pi - compute decimal Archimedes' constant Pi to arbitrary accuracy.
 * pi3topbm - convert an Atari Degas .pi3 file into a portable bitmap
 * pinentry - PIN or pass-phrase entry dialog for GnuPG
 * pinentry-curses - PIN or pass-phrase entry dialog for GnuPG
 * pinentry-gnome3 - PIN or pass-phrase entry dialog for GnuPG
 * pinentry-x11 - PIN or pass-phrase entry dialog for GnuPG
 * pinky - lightweight finger
 * pinta - simple image editor
 * pipe - create pipe
 * pipe - overview of pipes and FIFOs
 * pipe (8postfix) - Postfix delivery to external command
 * pipe2 - create pipe
 * pix - an image viewer and browser
 * pkaction - Get details about a registered action
 * pkcs11-helper-1 - Simplified PKCS#11 library.
 * pkcs11.conf - Configuration files for PKCS#11 modules
 * pkcs8 (1ssl) - PKCS#8 format private key conversion tool
 * pkey (1ssl) - public or private key processing tool
 * pkey_alloc - allocate or free a protection key
 * pkey_free - allocate or free a protection key
 * pkey_mprotect - set protection on a region of memory
 * pkeys - overview of Memory Protection Keys
 * pkg-config - Return metainformation about installed libraries
 * pkttyagent - Textual authentication helper
 * pldd - display dynamic shared objects linked into a process
 * plog - starts up, shuts down or lists the log of PPP connections
 * plymouth - A graphical boot system and logger
 * pm-action - Suspend or Hibernate your computer
 * pm-hibernate - Suspend or Hibernate your computer
 * pm-is-supported - Test whether suspend or hibernate is supported.
 * pm-suspend - Suspend or Hibernate your computer
 * pm-suspend-hybrid - Suspend or Hibernate your computer
 * pngtopnm - convert a Portable Network Graphics file into portable anymap
 * pnm2ppa - convert portable anymap (PNM) images to HP's PPA printer format.
 * pnmcolormap - create quantization color map for a portable anymap
 * pnmconvol - general MxN convolution on a portable anymap
 * pnmenlarge - read a portable anymap and enlarge it N times
 * pnmflip - perform one or more flip operations on a portable anymap
 * pnmgamma - perform gamma correction on a portable anymap
 * pnminterp - scale up a PNM or PAM image by interpolating between pixels
 * pnmnlfilt - non-linear filters: smooth, alpha trim mean, optimal estimation sm...
 * pnmnoraw - convert portable any map to plain (ASCII) anymap format
 * pnmnorm - normalize the contrast in a Netbpm image
 * pnmquant - quantize the colors in a Netpbm image to a smaller set
 * pnmremap - replace colors in a PPM image with colors from another set
 * pnmsmooth - smooth out an image
 * pnmsplit - split a multi-image portable anymap into multiple single-image files
 * pnmtojpeg - convert PNM image to a JFIF ("JPEG") image
 * pnmtoplainpnm - convert portable any map to plain (ASCII) anymap format
 * pnmtopng - convert a portable anymap into a Portable Network Graphics file
 * pnmtorle - convert a Netpbm image file into an RLE image file.
 * pnmtosgi - convert a portable anymap to a SGI image file
 * po-debconf - introduction
 * pod2html - convert .pod files to .html files
 * pod2text - Convert POD data to formatted ASCII text
 * podchecker - check the syntax of POD format documentation files
 * podselect - print selected sections of pod documentation on standard output
 * poff - starts up, shuts down or lists the log of PPP connections
 * polkit - Authorization Framework
 * pon - starts up, shuts down or lists the log of PPP connections
 * popen - pipe stream to or from a process
 * posixoptions - optional parts of the POSIX standard
 * POST (1p) - Simple command line user agent
 * postconf - Postfix configuration utility
 * postconf - Postfix configuration parameters
 * postfix-tls - Postfix TLS management
 * postkick - kick a Postfix service
 * postmap - Postfix lookup table management
 * pow - power functions
 * pow10 - base-10 power functions
 * pow10f - base-10 power functions
 * pow10l - base-10 power functions
 * powf - power functions
 * powl - power functions
 * ppdhtml - cups html summary generator (deprecated)
 * ppdi - import ppd files (deprecated)
 * ppmbrighten - change an images Saturation and Value from an HSV map
 * ppmcie - draw a CIE color chart as a PPM image
 * ppmdim - dim a portable pixmap down to total blackness
 * ppmdist - simplistic grayscale assignment for machine generated, color images
 * ppmdither - ordered dither for color images
 * ppmfade - generate a transition between two image files using special effects.
 * ppmflash - brighten a picture up to complete white-out
 * ppmnorm - normalize the contrast in a Netbpm image
 * ppmquantall - run ppmquant on a bunch of files all at once, so they share a comm...
 * ppmqvga - 8 plane quantization
 * ppmshadow - add simulated shadows to a portable pixmap image
 * ppmshift - shift lines of a portable pixmap left or right by a random amount
 * ppmtojpeg - convert PNM image to a JFIF ("JPEG") image
 * ppmtoleaf - convert portable pixmap to Interleaf image format
 * ppmtolss16 - Convert a PPM to an LSS16 image
 * ppmtotga - convert portable pixmap into a TrueVision Targa file
 * pppd-radius - RADIUS authentication plugin for pppd
 * pppoeconf - configures a PPPoE (ADSL) connection
 * prctl - operations on a process
 * precedence - C operator precedence and order of evaluation
 * prime (1ssl) - compute prime numbers
 * printafm - Print the metrics from a Postscript font in AFM format using ghost...
 * printers.conf - printer configuration file for cups
 * printf - formatted output conversion
 * prlimit - get and set process resource limits
 * prlimit - get/set resource limits
 * vlimit - get/set resource limits
 * prlimit64 - get/set resource limits
 * proc - process information pseudo-filesystem
 * procfs - process information pseudo-filesystem
 * prof - unimplemented system calls
 * profil - execution time profile
 * program_invocation_name - obtain name used to invoke calling program
 * program_invocation_short_name - obtain name used to invoke calling program
 * projects - persistent project root definition
 * projid - the project name mapping file
 * protocols - protocols definition file
 * prune - Prune directed graphs
 * ps2ascii - Ghostscript translator from PostScript or PDF to ASCII
 * ps2pdf - Convert PostScript to PDF using ghostscript
 * ps2pdf12 - Convert PostScript to PDF 1.2 (Acrobat 3-and-later compatible) usi...
 * ps2pdf13 - Convert PostScript to PDF 1.3 (Acrobat 4-and-later compatible) usi...
 * ps2pdf14 - Convert PostScript to PDF 1.4 (Acrobat 5-and-later compatible) usi...
 * ps2pdfwr - Convert PostScript to PDF without specifying CompatibilityLevel, u...
 * ps2ps - Ghostscript PostScript "distiller"
 * psidtopgm - convert PostScript "image" data into a portable graymap
 * psiginfo - print signal message
 * pstore.conf - PStore configuration file
 * pstore.conf.d - PStore configuration file
 * ptargrep - Apply pattern matching to the contents of files in a tar archive
 * pthread_attr_destroy - initialize and destroy thread attributes object
 * pthread_attr_getaffinity_np - set/get CPU affinity attribute in thread attributes object
 * pthread_attr_getscope - set/get contention scope attribute in thread attributes object
 * pthread_attr_init - initialize and destroy thread attributes object
 * pthread_attr_setaffinity_np - set/get CPU affinity attribute in thread attributes object
 * pthread_attr_setscope - set/get contention scope attribute in thread attributes object
 * pthread_cancel - send a cancellation request to a thread
 * pthread_cleanup_pop - push and pop thread cancellation clean-up handlers
 * pthread_cleanup_pop_restore_np - push and pop thread cancellation clean-up handlers w...
 * pthread_cleanup_push - push and pop thread cancellation clean-up handlers
 * pthread_cleanup_push_defer_np - push and pop thread cancellation clean-up handlers wh...
 * pthread_getaffinity_np - set/get CPU affinity of a thread
 * pthread_getattr_default_np - get or set default thread-creation attributes
 * pthread_getcpuclockid - retrieve ID of a thread's CPU time clock
 * pthread_join - join with a terminated thread
 * pthread_setaffinity_np - set/get CPU affinity of a thread
 * pthread_setattr_default_np - get or set default thread-creation attributes
 * pthread_spin_destroy - initialize or destroy a spin lock
 * pthread_spin_init - initialize or destroy a spin lock
 * pthread_testcancel - request delivery of any pending cancellation request
 * pthread_timedjoin_np - try to join with a terminated thread
 * pthread_tryjoin_np - try to join with a terminated thread
 * pulse-client.conf - PulseAudio client configuration file
 * pulse-daemon.conf - PulseAudio daemon configuration file
 * putc_unlocked - nonlocking stdio functions
 * putchar_unlocked - nonlocking stdio functions
 * putmsg - unimplemented system calls
 * putpmsg - unimplemented system calls
 * putwc_unlocked - nonlocking stdio functions
 * putwchar_unlocked - nonlocking stdio functions
 * pvchange - Change attributes of physical volume
 * pvck - Check metadata on physical volumes
 * pvcreate - Initialize physical volume for use by LVM
 * pvdisplay - Display various attributes of physical volume
 * pvmove - Move extents from one physical volume to another
 * pvremove - Remove LVM label from physical volume
 * pvresize - Resize physical volume
 * pvs - Display information about physical volumes
 * pvscan - List all physical volumes
 * pwck - verify integrity of password files
 * pwd - print name of current/working directory
 * pwdx - report current working directory of a process
 * pwquality.conf - configuration for the libpwquality library
 * pxelinux-options - utility to set PXELINUX hard-coded options.
 * py3versions - print python3 version information
 * pydoc2 - the Python documentation tool
 * pydoc2.7 - the Python documentation tool
 * pydoc3 - the Python documentation tool
 * pydoc3.8 - the Python documentation tool
 * pygettext2 - Python equivalent of xgettext
 * pygettext2.7 - Python equivalent of xgettext
 * pygettext3 - Python equivalent of xgettext
 * pygettext3.8 - Python equivalent of xgettext
 * pyjwt3 - Python implementation of JSON Web Token
 * python3-config - output build options for python C/C++ extensions or embedding
 * python3.8-config - output build options for python C/C++ extensions or embedding
 * pyversions - print python version information
 * qmqp-sink - parallelized QMQP test server
 * qshape - Print Postfix queue domain and age distribution
 * qt-faststart - utility for Quicktime files
 * qt5ct - Qt5 Configuration Utility
 * queue - implementations of singly-linked lists, singly-linked tail queues,...
 * rasterizer - SVG conversion
 * rdjpgcom - display text comments from a JPEG file
 * rdma-dev - RDMA device configuration
 * rdma-link - rdma link configuration
 * rdma-resource - rdma resource configuration
 * rdma-statistic - RDMA statistic counter configuration
 * rdma-system - RDMA subsystem configuration
 * re_comp - BSD regex functions
 * re_exec - BSD regex functions
 * re_format - POSIX.2 regular expressions
 * readahead - initiate file readahead into page cache
 * readelf - display information about ELF files
 * readlink - print resolved symbolic links or canonical file names
 * readlink - read value of a symbolic link
 * readlinkat - read value of a symbolic link
 * readproc - read information from next /proc/## entry
 * readproctab - read information for all current processes at once
 * readprofile - read kernel profiling information
 * redland - Resource Description Framework (RDF) Library
 * redshift - set color temperature of display according to time of day
 * redshift-gtk - set color temperature of display according to time of day
 * regcomp - POSIX regex functions
 * regedit - Wine registry editor
 * regedit-stable - Wine registry editor
 * regerror - POSIX regex functions
 * regex - POSIX regex functions
 * regex - POSIX.2 regular expressions
 * regexec - POSIX regex functions
 * regexp_table - format of Postfix regular expression tables
 * regfree - POSIX regex functions
 * register-stardata - Install or remove star data catalogues and astronomy programs
 * registerrpc - library routines for remote procedure calls
 * regsvr32 - Wine DLL Registration Server
 * regsvr32-stable - Wine DLL Registration Server
 * rehash (1ssl) - Create symbolic links to files named by the hash values
 * reiserfsck - The checking tool for the ReiserFS filesystem.
 * remainder - floating-point remainder function
 * remainderf - floating-point remainder function
 * remainderl - floating-point remainder function
 * remove-default-ispell - remove default ispell dictionary
 * rename - change the name or location of a file
 * renameat - change the name or location of a file
 * renameat2 - change the name or location of a file
 * rendercheck - simple tests of the X Render extension.
 * Reply::Plugin::TypeTiny (3pm)- improved type constraint exceptions in Reply
 * request-key - handle key instantiation callback requests from the kernel
 * request-key.conf - Instantiation handler configuration file
 * request_key - request a key from the kernel's key management facility
 * res_init - resolver routines
 * res_ninit - resolver routines
 * reset - terminal initialization
 * resizepart - tell the kernel about the new size of a partition
 * resolv.conf - resolver configuration file
 * resolved.conf - Network Name Resolution configuration files
 * resolved.conf.d - Network Name Resolution configuration files
 * resolver - resolver configuration file
 * restart_syscall - restart a system call after interruption by a stop signal
 * revoutput (3am) - Reverse output strings sample extension
 * revtwoway (3am) - Reverse strings sample two-way processor extension
 * rewind - reposition a stream
 * rfcomm - RFCOMM configuration utility
 * rgrep - print lines that match patterns
 * rhythmbox - music player and library for tagged files using GStreamer
 * rhythmbox-client - controls a running instance of rhythmbox
 * rletopnm - convert a Utah Raster Tools RLE image file into a PNM image file.
 * rmic - Generates stub, skeleton, and tie classes for remote objects that ...
 * rmid - Starts the activation system daemon that enables objects to be reg...
 * rmiregistry - Starts a remote object registry on the specified port on the curre...
 * rmmod - Simple program to remove a module from the Linux Kernel
 * Role::Tiny (3pm) - Roles: a nouvelle cuisine portion size slice of Moose
 * rotatelogs - Piped logging program to rotate Apache logs
 * rpcclient - tool for executing client side MS-RPC functions
 * rpm-misc - lesser need options for rpm
 * rpmatch - determine if the answer to a question is affirmative or negative
 * rpmgraph - Display RPM Package Dependency Graph
 * rstart - a sample implementation of a Remote Start client
 * rstartd - a sample implementation of a Remote Start rsh helper
 * rsyncd.conf - configuration file for rsync in daemon mode
 * rsyslog.conf - rsyslogd configuration file
 * rt_sigaction - examine and change a signal action
 * rt_sigprocmask - examine and change blocked signals
 * rt_sigqueueinfo - queue a signal and data
 * rt_sigtimedwait - synchronously wait for queued signals
 * rt_tgsigqueueinfo - queue a signal and data
 * rtc - real-time clock
 * rtcwake - enter a system sleep state until specified wakeup time
 * rtime - get time from a remote machine
 * rtkitctl - Realtime Policy and Watchdog daemon control
 * rtld-audit - auditing API for the dynamic linker
 * rtmon - listens to and monitors RTnetlink
 * rtnetlink - macros to manipulate rtnetlink messages
 * rtnetlink - Linux IPv4 routing socket
 * run-with-aspell - script to help use GNU Aspell as an ispell replacement
 * rview - Vi IMproved, a programmer's text editor
 * rvim - Vi IMproved, a programmer's text editor
 * rvnamed-ng - reverse name resolution daemon for iptraf
 * s390_guarded_storage - operations with z/Architecture guarded storage facility
 * s390_runtime_instr - enable/disable s390 CPU run-time instrumentation
 * s390_sthyi - emulate STHYI instruction
 * s_time (1ssl) - SSL/TLS performance timing program
 * sa - summarizes accounting information
 * samba-regedit - ncurses based tool to manage the Samba registry
 * samba-tool - Main Samba administration tool.
 * sane-avision - SANE backend for original Avision and Avision OEM scanners (HP, Mi...
 * sane-bh - SANE backend for Bell+Howell Copiscan II series document scanners
 * sane-dc210 - SANE backend for Kodak DC210 Digital Camera
 * sane-dc240 - SANE backend for Kodak DC240 Digital Camera
 * sane-dc25 - SANE backend for Kodak DC20/DC25 Digital Cameras
 * sane-dmc - SANE backend for the Polaroid Digital Microscope Camera
 * sane-gphoto2 - SANE backend for gphoto2 supported cameras
 * sane-hp3900 - SANE backend for RTS8822 chipset based scanners
 * sane-niash - SANE backend for scanners based on the NIASH chipset.
 * sane-p5 - SANE backend for the Primax PagePartner
 * sane-pieusb - SANE backend for USB-connected PIE PowerSlide and Reflecta DigitDi...
 * sane-pixma - SANE backend for Canon Multi-Function Printers and CanoScan Scanners
 * sane-pnm - SANE PNM image reader pseudo-backend
 * sane-scsi - SCSI adapter tips for scanners
 * sane-sharp - SANE backend for SHARP scanners
 * sane-st400 - SANE backend for Siemens ST/Highscan flatbed scanners
 * sane-umax1220u - SANE backend for the UMAX Astra 1220U and similar scanners
 * sane-usb - USB configuration tips for SANE
 * sbattach - UEFI secure boot detached signature tool
 * sbsiglist - Create EFI_SIGNATURE_LIST signature databases
 * sbverify - UEFI secure boot verification tool
 * scache (8postfix) - Postfix shared connection cache server
 * scanf - input format conversion
 * scanimage - scan an image
 * sccmap - extract strongly connected components of directed graphs
 * sched_getaffinity - set and get a thread's CPU affinity mask
 * sched_setaffinity - set and get a thread's CPU affinity mask
 * script - make typescript of terminal session
 * scriptreplay - play back typescripts, using timing information
 * scrypt (7ssl) - EVP_PKEY scrypt KDF support
 * sd-boot - A simple UEFI boot manager
 * security - unimplemented system calls
 * seekdir - set the position of the next readdir call in the directory stream.
 * select-default-ispell - select default ispell dictionary
 * select-default-iwrap - Selects the user default ispell dictionary for use with ispell...
 * sem_init - initialize an unnamed semaphore
 * sem_open - initialize and open a named semaphore
 * sem_timedwait - lock a semaphore
 * sem_unlink - remove a named semaphore
 * semanage.conf - global configuration file for the SELinux Management library
 * semctl - System V semaphore control operations
 * semop - System V semaphore operations
 * semtimedop - System V semaphore operations
 * sensors - print sensors information
 * sensors-conf-convert - sensors configuration conversion
 * sensors-detect - detect hardware monitoring chips
 * sensors.conf - libsensors configuration file
 * sepermit.conf - configuration file for the pam_sepermit module
 * Sereal::Decoder (3pm)- Fast, compact, powerful binary deserialization
 * Sereal::Encoder (3pm)- Fast, compact, powerful binary serialization
 * Sereal::Performance (3pm)- Getting the most out of the Perl-Sereal implementation
 * serialver - Returns the serial version UID for specified classes.
 * service - run a System V init script
 * sess_id (1ssl) - SSL/TLS session handling utility
 * session-keyring - session shared process keyring
 * session-migration - Migrate in user session settings.
 * sessreg - manage utmpx/wtmpx entries for non-init clients
 * set_thread_area - manipulate thread-local storage information
 * setbuf - stream buffering operations
 * setbuffer - stream buffering operations
 * setdomainname - get/set NIS domain name
 * setfsgid32 - set group identity used for filesystem checks
 * setfsuid32 - set user identity used for filesystem checks
 * setgid32 - set group identity
 * sethostname - get/set hostname
 * setitimer - get or set value of an interval timer
 * setlinebuf - stream buffering operations
 * setns - reassociate thread with a namespace
 * setregid32 - set real and/or effective user or group ID
 * setresgid32 - set real, effective and saved user or group ID
 * setresuid32 - set real, effective and saved user or group ID
 * setreuid32 - set real and/or effective user or group ID
 * setrlimit - get/set resource limits
 * setsid - run a program in a new session
 * setsid - creates a session and sets the process group ID
 * setsockopt - get and set options on sockets
 * settimeofday - get / set time
 * setuid32 - set user identity
 * setvbuf - stream buffering operations
 * setvesablank - Turn VESA screen blanking on or off
 * setxkbmap - set the keyboard using the X Keyboard Extension
 * sfdisk - display or manipulate a disk partition table
 * sfdp - filter for drawing large undirected graphs
 * sgdisk - Command-line GUID partition table (GPT) manipulator for Linux and ...
 * sgetmask - manipulation of signal mask (obsolete)
 * sgitopnm - convert a SGI image file to a portable anymap
 * shm_open - create/open or unlink POSIX shared memory objects
 * shm_unlink - create/open or unlink POSIX shared memory objects
 * shmat - System V shared memory operations
 * shmdt - System V shared memory operations
 * shmop - System V shared memory operations
 * shred - overwrite a file to hide its contents, and optionally delete it
 * shuf - generate random permutations
 * shutdown - shut down part of a full-duplex connection
 * sigaction - examine and change a signal action
 * sigaddset - POSIX signal set operations
 * sigandset - POSIX signal set operations
 * sigdelset - POSIX signal set operations
 * sigemptyset - POSIX signal set operations
 * sigevent - structure for notification from asynchronous routines
 * sigfillset - POSIX signal set operations
 * sigisemptyset - POSIX signal set operations
 * sigismember - POSIX signal set operations
 * signal-safety - async-signal-safe functions
 * signgam - log gamma function
 * sigorset - POSIX signal set operations
 * sigpause - atomically release blocked signals and wait for interrupt
 * sigprocmask - examine and change blocked signals
 * sigsetops - POSIX signal set operations
 * sigtimedwait - synchronously wait for queued signals
 * sigvec - BSD signal API
 * sigwaitinfo - synchronously wait for queued signals
 * tc-simple - basic example action
 * simple-scan - Scanning utility
 * sin - sine function
 * sincos - calculate sin and cos simultaneously
 * sincosf - calculate sin and cos simultaneously
 * sincosl - calculate sin and cos simultaneously
 * sinf - sine function
 * sinh - hyperbolic sine function
 * sinhf - hyperbolic sine function
 * sinhl - hyperbolic sine function
 * sinl - sine function
 * size - list section sizes and total size of binary files
 * slabinfo - kernel slab allocator statistics
 * slabtop - display kernel slab cache information in real time
 * sleep - delay for a specified amount of time
 * sleep.conf.d - Suspend and hibernation configuration file
 * slick-greeter - distro agnostic LightDM greeter
 * slick-greeter-check-hidpi - distro agnostic LightDM greeter
 * SLIST_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail q...
 * SLIST_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queue...
 * SLIST_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * SLIST_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_REMOVE_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * sln - create symbolic links
 * slop - select operation
 * SM2 (7ssl) - Chinese SM2 signature and encryption algorithm support
 * smb.conf - The configuration file for the Samba suite
 * smbgetrc - configuration file for smbget
 * smbinfo - Userspace helper to display SMB-specific file information for the ...
 * smbtar - shell script for backing up SMB/CIFS shares directly to UNIX tape ...
 * smime (1ssl) - S/MIME utility
 * smproxy - Session Manager Proxy
 * smtp-sink - parallelized SMTP/LMTP test server
 * snmp.conf - configuration files for the Net-SNMP applications
 * snmp_config - handling of Net-SNMP configuration files
 * snmpd.examples - example configuration for the Net-SNMP agent
 * snmpd.internal - internal configuration of the Net-SNMP agent
 * snprintf - formatted output conversion
 * sock_diag - obtaining information about sockets
 * socket - create an endpoint for communication
 * socketmap_table - Postfix socketmap table lookup client
 * soelim - interpret .so requests in groff input
 * spd-conf - configure Speech Dispatcher and diagnose problems
 * spellintian - simple spellchecker based on Lintian's data files
 * splice - splice data to/from a pipe
 * sprintf - formatted output conversion
 * sqrt - square root function
 * sqrtf - square root function
 * sqrtl - square root function
 * sscanf - input format conversion
 * ssetmask - manipulation of signal mask (obsolete)
 * ssh-add - adds private key identities to the OpenSSH authentication agent
 * ssh-agent - OpenSSH authentication agent
 * ssh-argv0 - replaces the old ssh command-name as hostname handling
 * ssh-keygen - OpenSSH authentication key utility
 * ssh-keysign - OpenSSH helper for host-based authentication
 * ssh_config - OpenSSH client configuration file
 * STAILQ_CONCAT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail ...
 * STAILQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queu...
 * STAILQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queue...
 * STAILQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queue...
 * STAILQ_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_REMOVE_HEAD - implementations of singly-linked lists, singly-linked tail queue...
 * startx - initialize an X session
 * stdbuf - Run COMMAND, with modified buffering operations for its standard s...
 * stdio - standard input/output library functions
 * stime - set time
 * stream - a lightweight tool to stream one or more pixel components of the i...
 * stream-im6 - a lightweight tool to stream one or more pixel components of the i...
 * stream-im6.q16 - a lightweight tool to stream one or more pixel components of the i...
 * strftime - format date and time
 * strictures::extra (3pm)- enable or disable strictures additional checks
 * string - string operations
 * strptime - convert a string representation of time to a time tm structure
 * strtod - convert ASCII string to floating-point number
 * strtof - convert ASCII string to floating-point number
 * strtoimax - convert string to integer
 * strtold - convert ASCII string to floating-point number
 * Struct::Dumb (3pm) - make simple lightweight record-like structures
 * strverscmp - compare two version strings
 * strxfrm - string transformation
 * stty - unimplemented system calls
 * Sub::Defer (3pm) - Defer generation of subroutines until they are first called
 * Sub::Override (3pm) - Perl extension for easily overriding subroutines
 * Sub::Quote (3pm) - Efficient generation of subroutines via string eval
 * subpage_prot - define a subpage protection for an address range
 * subscriptions.conf - subscription configuration file for cups
 * sudo.conf - configuration for sudo front end
 * sudoers_timestamp - Sudoers Time Stamp Format
 * sudoreplay - replay sudo session logs
 * svc_register - library routines for remote procedure calls
 * svc_unregister - library routines for remote procedure calls
 * svcerr_progvers - library routines for remote procedure calls
 * svgpp - pretty-printer for SVG files
 * svipc - System V interprocess communication mechanisms
 * swprintf - formatted wide-character output conversion
 * symcryptrun - Call a simple symmetric encryption tool
 * symlink - make a new name for a file
 * symlink - symbolic link handling
 * symlinkat - make a new name for a file
 * synaptic - graphical management of software packages
 * Sys::Hostname::Long (3pm)- Try every conceivable way to get full hostname
 * sysconf - get configuration information at run time
 * sysctl - configure kernel parameters at runtime
 * sysctl.conf - sysctl preload/configuration file
 * sysfs - get filesystem type information
 * sysinfo - return system information
 * system-config-printer-applet - print job manager
 * system.conf.d - System and session service manager configuration files
 * systemd-backlight - Load and save the display backlight brightness at boot and shutdown
 * systemd-backlight@.service - Load and save the display backlight brightness at boot a...
 * systemd-binfmt - Configure additional binary formats for executables at boot
 * systemd-binfmt.service - Configure additional binary formats for executables at boot
 * systemd-bless-boot-generator - Pull systemd-bless-boot.service into the initial boot ...
 * systemd-boot - A simple UEFI boot manager
 * systemd-boot-system-token.service - Generate an initial boot loader system token and ...
 * systemd-cat - Connect a pipeline or program's output with the journal
 * systemd-cryptsetup - Full disk decryption logic
 * systemd-cryptsetup@.service - Full disk decryption logic
 * systemd-debug-generator - Generator for enabling a runtime debug shell and masking sp...
 * systemd-delta - Find overridden configuration files
 * systemd-detect-virt - Detect execution in a virtualized environment
 * systemd-gpt-auto-generator - Generator for automatically discovering and mounting roo...
 * systemd-hibernate-resume - Resume from hibernation
 * systemd-hibernate-resume-generator - Unit generator for resume= kernel parameter
 * systemd-hibernate-resume@.service - Resume from hibernation
 * systemd-hibernate.service - System sleep state logic
 * systemd-hostnamed - Host name bus mechanism
 * systemd-hostnamed.service - Host name bus mechanism
 * systemd-hwdb - hardware database management tool
 * systemd-hybrid-sleep.service - System sleep state logic
 * systemd-importd - VM and container image import and export service
 * systemd-importd.service - VM and container image import and export service
 * systemd-inhibit - Execute a program with an inhibition lock taken
 * systemd-initctl - /dev/initctl compatibility
 * systemd-initctl.service - /dev/initctl compatibility
 * systemd-initctl.socket - /dev/initctl compatibility
 * systemd-journald - Journal service
 * systemd-journald-audit.socket - Journal service
 * systemd-journald-dev-log.socket - Journal service
 * systemd-journald-varlink@.socket - Journal service
 * systemd-journald.service - Journal service
 * systemd-journald.socket - Journal service
 * systemd-journald@.service - Journal service
 * systemd-journald@.socket - Journal service
 * systemd-machine-id-setup - Initialize the machine ID in /etc/machine-id
 * systemd-network-generator - Generate network configuration from the kernel command line
 * systemd-network-generator.service - Generate network configuration from the kernel co...
 * systemd-notify - Notify service manager about start-up completion and other daemon ...
 * systemd-resolved - Network Name Resolution manager
 * systemd-resolved.service - Network Name Resolution manager
 * systemd-run - Run programs in transient scope units, service units, or path-, so...
 * systemd-run-generator - Generator for invoking commands specified on the kernel comma...
 * systemd-sleep.conf - Suspend and hibernation configuration file
 * systemd-socket-activate - Test socket activation of daemons
 * systemd-socket-proxyd - Bidirectionally proxy local sockets to another (possibly remo...
 * systemd-suspend-then-hibernate.service - System sleep state logic
 * systemd-system.conf - System and session service manager configuration files
 * systemd-sysv-generator - Unit generator for SysV init scripts
 * systemd-time-wait-sync - Wait Until Kernel Time Synchronized
 * systemd-time-wait-sync.service - Wait Until Kernel Time Synchronized
 * systemd-timedated - Time and date bus mechanism
 * systemd-timedated.service - Time and date bus mechanism
 * systemd-timesyncd - Network Time Synchronization
 * systemd-timesyncd.service - Network Time Synchronization
 * systemd-tmpfiles-clean.timer - Creates, deletes and cleans up volatile and temporary ...
 * systemd-user-sessions - Permit user logins after boot, prohibit user logins at shutdown
 * systemd-user-sessions.service - Permit user logins after boot, prohibit user logins a...
 * systemd-user.conf - System and session service manager configuration files
 * systemd-veritysetup - Disk integrity protection logic
 * systemd-veritysetup-generator - Unit generator for integrity protected block devices
 * systemd-veritysetup@.service - Disk integrity protection logic
 * systemd.automount - Automount unit configuration
 * systemd.device - Device unit configuration
 * systemd.directives - Index of configuration directives
 * systemd.dnssd - DNS-SD configuration
 * systemd.exec - Execution environment configuration
 * systemd.journal-fields - Special journal fields
 * systemd.kill - Process killing procedure configuration
 * systemd.link - Network device configuration
 * systemd.mount - Mount unit configuration
 * systemd.negative - DNSSEC trust anchor configuration files
 * systemd.netdev - Virtual Network Device configuration
 * systemd.network - Network configuration
 * systemd.offline-updates - Implementation of offline updates in systemd
 * systemd.path - Path unit configuration
 * systemd.positive - DNSSEC trust anchor configuration files
 * systemd.scope - Scope unit configuration
 * systemd.service - Service unit configuration
 * systemd.slice - Slice unit configuration
 * systemd.socket - Socket unit configuration
 * systemd.swap - Swap unit configuration
 * systemd.syntax - General syntax of systemd configuration files
 * systemd.target - Target unit configuration
 * systemd.time - Time and date specifications
 * systemd.timer - Timer unit configuration
 * systemd.unit - Unit configuration
 * sysusers.d - Declarative allocation of system users and groups
 * sysvipc - System V interprocess communication mechanisms
 * t1ascii - convert PostScript Type 1 font from binary to ASCII
 * t1binary - convert PostScript Type 1 font from ASCII to binary
 * TAILQ_CONCAT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FOREACH_REVERSE - implementations of singly-linked lists, singly-linked tail qu...
 * TAILQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail q...
 * TAILQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queue...
 * TAILQ_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail queu...
 * TAILQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * TAILQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queues...
 * TAILQ_LAST - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_PREV - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_SWAP - implementations of singly-linked lists, singly-linked tail queues,...
 * tan - tangent function
 * tanf - tangent function
 * tanh - hyperbolic tangent function
 * tanhf - hyperbolic tangent function
 * tanhl - hyperbolic tangent function
 * tanl - tangent function
 * taskset - set or retrieve a process's CPU affinity
 * tbl-dctrl - generate tabular representations of data in dctrl format
 * tc-bfifo - Packet limited First In, First Out queue
 * tc-bpf - BPF programmable classifier and actions for ingress/egress queuein...
 * tc-cake - Common Applications Kept Enhanced (CAKE)
 * tc-codel - Controlled-Delay Active Queue Management algorithm
 * tc-connmark - netfilter connmark retriever action
 * tc-csum - checksum update action
 * tc-etf - Earliest TxTime First (ETF) Qdisc
 * tc-hfsc - Hierarchical Fair Service Curve
 * tc-hfsc - Hierarchical Fair Service Curve's control under linux
 * tc-mirred - mirror/redirect action
 * tc-mpls - mpls manipulation module
 * tc-nat - stateless native address translation action
 * tc-pedit - generic packet editor action
 * tc-pfifo - Packet limited First In, First Out queue
 * tc-pie - Proportional Integral controller-Enhanced AQM algorithm
 * tc-police - policing action
 * tc-red - Random Early Detection
 * tc-sample - packet sampling tc action
 * tc-skbedit - SKB editing action
 * tc-skbmod - user-friendly packet editor action
 * tc-stab - Generic size table manipulations
 * tc-taprio - Time Aware Priority Shaper
 * tc-tunnel_key - Tunnel metadata manipulation
 * tc-vlan - vlan manipulation module
 * tc-xt - tc iptables action
 * tcgetsid - get session ID
 * tee - duplicating pipe content
 * telinit - Change SysV runlevel
 * telldir - return current location in directory stream
 * term - conventions for naming terminal types
 * Term::ReadLine::Gnu (3pm)- Perl extension for the GNU Readline/History Library
 * terminal-colors.d - Configure output colorization for various utilities
 * terminfo - terminal capability data base
 * Test::Future (3pm) - unit test assertions for Future instances
 * Test::Lintian::ConfigFile -- generic helper routines for colon-delimited configurati...
 * Test::Lintian::Filter -- Functions to select with tests to run
 * Test::Lintian::Helper -- Helper functions for various testing parts
 * Test::Mojo (3pm) - Testing Mojo
 * Test::StagedFileProducer -- mtime-based file production engine
 * Test::TypeTiny (3pm)- useful functions for testing the efficacy of type constraints
 * testparm - check an smb.conf configuration file for internal correctness
 * Text::Iconv (3pm) - Perl interface to iconv codeset conversion function
 * Text::Levenshtein (3pm)- calculate the Levenshtein edit distance between two strings
 * textdomain - set domain for future gettext calls
 * tgamma - true gamma function
 * tgammaf - true gamma function
 * tgammal - true gamma function
 * tgatoppm - convert TrueVision Targa file into a portable pixmap
 * tgz - makes a gzip'd tar archive
 * thermal-conf.xml - Configuration file for thermal daemon
 * thinkjettopbm - convert HP ThinkJet printer commands file to PBM
 * tic - the terminfo entry-description compiler
 * Tie::IxHash (3pm) - ordered associative arrays for Perl
 * time - run programs and summarize system resource usage
 * time - get time in seconds
 * time (3am) - time functions for gawk
 * time - overview of time and timers
 * time.conf - configuration file for the pam_time module
 * Time::Duration (3pm)- rounded or exact English expression of durations
 * Time::Zone (3pm) -- miscellaneous timezone manipulations routines
 * timedatectl - Control the system time and date
 * timegm - inverses of gmtime and localtime
 * timelocal - inverses of gmtime and localtime
 * timeout - run a command with a time limit
 * timer_create - create a POSIX per-process timer
 * timer_delete - delete a POSIX per-process timer
 * timer_getoverrun - get overrun count for a POSIX per-process timer
 * timer_gettime - arm/disarm and fetch state of POSIX per-process timer
 * timer_settime - arm/disarm and fetch state of POSIX per-process timer
 * timeradd - timeval operations
 * timerclear - timeval operations
 * timercmp - timeval operations
 * timerfd_create - timers that notify via file descriptors
 * timerfd_gettime - timers that notify via file descriptors
 * timerfd_settime - timers that notify via file descriptors
 * timerisset - timeval operations
 * timersub - timeval operations
 * times - get process times
 * timesyncd.conf - Network Time Synchronization configuration files
 * timesyncd.conf.d - Network Time Synchronization configuration files
 * timezone - initialize time conversion information
 * tipc - a TIPC configuration and management tool
 * tipc-link - show links or modify link properties
 * tipc-peer - modify peer information
 * tipc-socket - show TIPC socket (port) information
 * tis-620 - ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
 * tload - graphic representation of system load average
 * tlsmgr (8postfix) - Postfix TLS session cache and PRNG manager
 * tmpfiles.d - Configuration for creation, deletion and cleaning of volatile and ...
 * toascii - convert character to ASCII
 * toe - table of (terminfo) entries
 * touch - change file timestamps
 * towctrans - wide-character transliteration
 * tput - initialize a terminal or query terminfo database
 * transform - apply geometric transformations to the input.
 * transicc - little cms ColorSpace conversion calculator.
 * transmission-gtk - a bittorrent client
 * tred - transitive reduction filter for directed graphs
 * troff - the troff processor of the groff text formatting system
 * truncate - shrink or extend the size of a file to the specified size
 * Try::Tiny (3pm) - Minimal try/catch with proper preservation of $@
 * ts - timestamp input
 * ts (1ssl) - Time Stamping Authority tool (client/server)
 * tset - terminal initialization
 * tsget (1ssl) - Time Stamping HTTP/HTTPS client
 * tuxcall - unimplemented system calls
 * twopi - filter for radial layouts of graphs
 * Type::Coercion (3pm)- a set of coercions to a particular target type constraint
 * Type::Coercion::FromMoose (3pm)- a set of coercions borrowed from Moose
 * Type::Coercion::Union (3pm)- a set of coercions to a union type constraint
 * Type::Params (3pm) - Params::Validate-like parameter validation using Type::Tiny type c...
 * Type::Registry (3pm)- a glorified hashref for looking up type constraints
 * Type::Tiny::_HalfOp (3pm)- half-completed overloaded operation
 * Type::Tiny::Intersection (3pm)- intersection type constraints
 * Type::Tiny::Manual::Coercions (3pm)- advanced information on coercions
 * Type::Tiny::Manual::Installation (3pm)- how to install Type::Tiny
 * Type::Tiny::Manual::Optimization (3pm)- squeeze the most out of your CPU
 * Type::Tiny::Manual::Params (3pm)- advanced information on Type::Params
 * Type::Tiny::Manual::UsingWithTestMore (3pm)- Type::Tiny for test suites
 * Type::Tiny::Union (3pm)- union type constraints
 * Type::Utils (3pm) - utility functions to make defining and using type constraints a li...
 * tzfile - timezone information
 * tzname - initialize time conversion information
 * tzselect - view timezones
 * tzselect - select a timezone
 * tzset - initialize time conversion information
 * ucf - Update Configuration File: preserve user changes in configuration ...
 * ucf.conf - site-wide configuration file for ucf
 * ucfr - Update Configuration File Registry: associate packages with config...
 * udev - Dynamic device management
 * udev.conf - Configuration for device event managing daemon
 * udevadm - udev management tool
 * udisks2.conf - The udisks2 configuration file
 * udplite - Lightweight User Datagram Protocol
 * ugetrlimit - get/set resource limits
 * ulimit - get and set user limits
 * umask - set file mode creation mask
 * umount.ecryptfs_private - eCryptfs private unmount helper.
 * uname - print system information
 * uname - get name and information about current kernel
 * undocumented - undocumented library functions
 * unflatten - adjust directed graphs to improve layout aspect ratio
 * unimplemented - unimplemented system calls
 * units - decimal and binary prefixes
 * unix - sockets for local interprocess communication
 * unlink - call the unlink function to remove the specified file
 * unlink - delete a name and possibly the file it refers to
 * unlinkat - delete a name and possibly the file it refers to
 * unlocked_stdio - nonlocking stdio functions
 * unmkinitramfs - extract content from an initramfs image
 * unopkg - LibreOffice Extension Manager
 * unshare - disassociate parts of the process execution context
 * unzipsfx - self-extracting stub for prepending to ZIP archives
 * update-alternatives - maintain symbolic links determining default commands
 * update-binfmts - maintain registry of executable binary formats
 * update-cracklib - Regenerate cracklib dictionary
 * update-default-ispell - update default ispell dictionary
 * update-desktop-database - Build cache database of MIME types handled by desktop files
 * update-dictcommon-hunspell - rebuild hunspell database and emacsen stuff
 * update-grub2 - stub for grub-mkconfig
 * update-info-dir - update or create index file from all installed info files in direc...
 * update-initramfs - generate an initramfs image
 * update-initramfs.conf - configuration file for update-initramfs
 * update-java-alternatives - update alternatives for jre/sdk installations
 * update-locale - Modify global locale settings
 * update-mime - create or update MIME information
 * update-mime-database - a program to build the Shared MIME-Info database cache
 * update-motd - dynamic MOTD generation
 * update-pciids - download new version of the PCI ID list
 * update-perl-sax-parsers - (de)register Perl SAX parser modules
 * update-rc.d - install and remove System-V style init script links
 * updatedb.conf - a configuration file for updatedb
 * uptime - Tell how long the system has been running.
 * URI::data (3pm) - URI that contains immediate data
 * URI::QueryParam (3pm)- Additional query methods for URIs
 * usb_modeswitch_dispatcher - Linux wrapper for usb_modeswitch (not intended for direct...
 * usbmuxd - Expose a socket to multiplex connections from and to iOS devices.
 * user-dirs.conf - configuration for xdg-user-dirs-update
 * user-runtime-dir@.service - System units to manage user processes
 * user-session-keyring - per-user default session keyring
 * user.conf.d - System and session service manager configuration files
 * user_caps - user-defined terminfo capabilities
 * useradd - create a new user or update default new user information
 * usleep - suspend execution for microsecond intervals
 * utf-8 - an ASCII compatible multibyte Unicode encoding
 * utf8 - an ASCII compatible multibyte Unicode encoding
 * utime - change file last access and modification times
 * utimensat - change file timestamps with nanosecond precision
 * utimes - change file last access and modification times
 * uuidd - UUID generation daemon
 * uz - gunzips and extracts a gzip'd tar'd archive
 * Variable::Magic (3pm)- Associate user-defined magic to variables from Perl.
 * vboxheadless - x86 virtualization solution
 * vboxmanage - x86 virtualization solution
 * vboxsdl - x86 virtualization solution
 * vboxwebsrv - x86 virtualization solution
 * vcstime - Show time in upper right hand corner of the console screen
 * vdprintf - formatted output conversion
 * verify (8postfix) - Postfix address verification server
 * veritysetup - manage dm-verity (block level verification) volumes
 * version (1ssl) - print OpenSSL version information
 * versionsort - scan a directory for matching entries
 * vfprintf - formatted output conversion
 * vfscanf - input format conversion
 * vfwprintf - formatted wide-character output conversion
 * vgcfgbackup - Backup volume group configuration
 * vgcfgrestore - Restore volume group configuration
 * vgdisplay - Display volume group information
 * vgexport - Unregister volume group from the system
 * vgextend - Add physical volumes to a volume group
 * vgimport - Register exported volume group with system
 * vgimportclone - Import a VG from cloned PVs
 * vgreduce - Remove physical volume from a volume group
 * vgs - Display information about volume groups
 * vgsplit - Move physical volumes into a new or existing volume group
 * vhangup - virtually hangup the current terminal
 * vi - Vi IMproved, a programmer's text editor
 * view - Vi IMproved, a programmer's text editor
 * viewres - graphical class browser for Xt
 * vim - Vi IMproved, a programmer's text editor
 * vimdiff - edit two, three or four versions of a file with Vim and show diffe...
 * vimdot - Combined text editor and dot viewer
 * vimtutor - the Vim tutor
 * vipe - edit pipe
 * virtualbox - x86 virtualization solution
 * vmsplice - splice user pages to/from a pipe
 * vorbistagedit - allows batch editing of vorbis comments with an editor
 * vprintf - formatted output conversion
 * vscanf - input format conversion
 * vserver - unimplemented system calls
 * vsnprintf - formatted output conversion
 * vsprintf - formatted output conversion
 * vsscanf - input format conversion
 * vswprintf - formatted wide-character output conversion
 * vtimes - get resource usage
 * vwprintf - formatted wide-character output conversion
 * w - Show who is logged on and what they are doing.
 * w.procps - Show who is logged on and what they are doing.
 * watchgnupg - Read and print logs from a socket
 * wcstoimax - convert wide-character string to integer
 * wctrans - wide-character translation mapping
 * wctype - wide-character classification
 * whatis - display one-line manual page descriptions
 * wineboot - perform Wine initialization, startup, and shutdown tasks
 * wineboot-stable - perform Wine initialization, startup, and shutdown tasks
 * winecfg - Wine Configuration Editor
 * winecfg-stable - Wine Configuration Editor
 * winicontoppm - convert a Windows .ico file into 1 or more portable pixmap files
 * wipefs - wipe a signature from a device
 * wireless - Wireless Tools and Wireless Extensions
 * wodim - write data to optical disk media
 * wordexp - perform word expansion like a posix-shell
 * wordfree - perform word expansion like a posix-shell
 * wordgrinder - console-based word processor
 * wpa_action - wpa_cli action script
 * wpa_background - Background information on Wi-Fi Protected Access and IEEE 802.11i
 * wpa_passphrase - Generate a WPA PSK from an ASCII passphrase for a SSID
 * wpa_supplicant.conf - configuration file for wpa_supplicant
 * wprintf - formatted wide-character output conversion
 * wrjpgcom - insert text comments into a JPEG file
 * WWW::RobotRules (3pm)- database of robots.txt-derived permissions
 * x-terminal-emulator - is a terminal emulation application.
 * x-window-manager - minimal GTK3 Window Manager
 * X11::Protocol (3pm) - Perl module for the X Window System Protocol, version 11
 * X11::Protocol::Connection (3pm)- Perl module abstract base class for X11 client to serve...
 * X11::Protocol::Connection::FileHandle (3pm)- Perl module base class for FileHandle-based...
 * X11::Protocol::Connection::INETFH (3pm)- Perl module for FileHandle-based TCP/IP X11 con...
 * X11::Protocol::Connection::INETSocket (3pm)- Perl module for IO::Socket::INET-based X11 ...
 * X11::Protocol::Connection::Socket (3pm)- Perl module base class for IO::Socket-based X11...
 * X11::Protocol::Connection::UNIXFH (3pm)- Perl module for FileHandle-based Unix-domain X1...
 * X11::Protocol::Connection::UNIXSocket (3pm)- Perl module for IO::Socket::UNIX-based X11 ...
 * X11::Protocol::Ext::BIG_REQUESTS (3pm)- Perl module for the X11 protocol Big Requests ex...
 * X11::Protocol::Ext::DPMS (3pm)- Perl module for the X11 Protocol DPMS Extension
 * X11::Protocol::Ext::RENDER (3pm)- Perl module for the X Rendering Extension
 * X11::Protocol::Ext::SHAPE (3pm)- Perl module for the X11 Protocol Nonrectangular Window ...
 * X11::Protocol::Ext::XC_MISC (3pm)- Perl module for the X11 Protocol XC-MISC Extension
 * X11::Protocol::Ext::XFree86_Misc (3pm)- Perl module for the XFree86 Misc Extension
 * x509v3_config (5ssl)- X509 V3 certificate extension configuration format
 * x86_64-linux-gnu-gcc-ar - a wrapper around ar adding the--plugin option
 * x86_64-linux-gnu-gcc-ar-9 - a wrapper around ar adding the--plugin option
 * x86_64-linux-gnu-gcc-nm - a wrapper around nm adding the--plugin option
 * x86_64-linux-gnu-gcc-nm-9 - a wrapper around nm adding the--plugin option
 * x86_64-linux-gnu-gcc-ranlib - a wrapper around ranlib adding the--plugin option
 * x86_64-linux-gnu-gcc-ranlib-9 - a wrapper around ranlib adding the--plugin option
 * x86_64-linux-gnu-gold - The GNU ELF linker
 * x86_64-linux-gnu-gprof - display call graph profile data
 * x86_64-linux-gnu-ld - The GNU linker
 * x86_64-linux-gnu-ld.bfd - The GNU linker
 * x86_64-linux-gnu-ld.gold - The GNU ELF linker
 * x86_64-linux-gnu-objdump - display information from object files
 * x86_64-linux-gnu-python3-config - output build options for python C/C++ extensions or...
 * x86_64-linux-gnu-python3.8-config - output build options for python C/C++ extensions ...
 * x86_64-linux-gnu-readelf - display information about ELF files
 * x86_64-linux-gnu-size - list section sizes and total size of binary files
 * xclip - command line interface to X selections (clipboard)
 * xclock - analog / digital clock for X
 * xcmsdb - Device Color Characterization utility for X Color Management System
 * XConsortium - X Consortium information
 * xcrypt - RFS password encryption
 * xcursorgen - create an X cursor file from a collection of PNG images
 * xcutsel - interchange between cut buffer and selection
 * xdecrypt - RFS password encryption
 * xdg-mime - command line tool for querying information about file type handlin...
 * xdg-open - opens a file or URL in the user's preferred application
 * xdg-user-dirs-update - Update XDG user dir configuration
 * xdpyinfo - display information utility for X
 * xdr - library routines for external data representation
 * xdr_array - library routines for external data representation
 * xdr_bool - library routines for external data representation
 * xdr_bytes - library routines for external data representation
 * xdr_char - library routines for external data representation
 * xdr_destroy - library routines for external data representation
 * xdr_double - library routines for external data representation
 * xdr_enum - library routines for external data representation
 * xdr_float - library routines for external data representation
 * xdr_free - library routines for external data representation
 * xdr_getpos - library routines for external data representation
 * xdr_inline - library routines for external data representation
 * xdr_int - library routines for external data representation
 * xdr_long - library routines for external data representation
 * xdr_opaque - library routines for external data representation
 * xdr_pointer - library routines for external data representation
 * xdr_reference - library routines for external data representation
 * xdr_setpos - library routines for external data representation
 * xdr_short - library routines for external data representation
 * xdr_string - library routines for external data representation
 * xdr_u_char - library routines for external data representation
 * xdr_u_int - library routines for external data representation
 * xdr_u_long - library routines for external data representation
 * xdr_u_short - library routines for external data representation
 * xdr_union - library routines for external data representation
 * xdr_vector - library routines for external data representation
 * xdr_void - library routines for external data representation
 * xdr_wrapstring - library routines for external data representation
 * xdriinfo - query configuration information of DRI drivers
 * xdrmem_create - library routines for external data representation
 * xdrrec_create - library routines for external data representation
 * xdrrec_endofrecord - library routines for external data representation
 * xdrrec_eof - library routines for external data representation
 * xdrrec_skiprecord - library routines for external data representation
 * xdrstdio_create - library routines for external data representation
 * xedit - simple text editor for X
 * xencrypt - RFS password encryption
 * Xephyr - X server outputting to a window on a pre-existing X display
 * xfontsel - point and click selection of X11 font names
 * xfs - layout, mount options, and supported file attributes for the XFS f...
 * xfs_estimate - estimate the space that an XFS filesystem will take
 * xfs_info - display XFS filesystem geometry information
 * xfs_logprint - print the log of an XFS filesystem
 * xfs_mdrestore - restores an XFS metadump image to a filesystem image
 * xfs_rtcp - XFS realtime copy command
 * xfs_spaceman - show free space information about an XFS filesystem
 * xgamma - Alter a monitor's gamma correction through the X server
 * xgc - X graphics demo
 * xgettext - extract gettext strings from source
 * ximtoppm - convert an Xim file into a portable pixmap
 * xinit - X Window System initializer
 * xkbbell - XKB extension user utility
 * xkbcomp - compile XKB keyboard description
 * xkbprint - print an XKB keyboard description
 * xkbvleds - XKB extension user utility
 * xkbwatch - XKB extension user utility
 * xkeyboard-config - XKB data description files
 * xlsclients - list client applications running on a display
 * XML::LibXML::CDATASection (3pm)- XML::LibXML Class for CDATA Sections
 * XML::LibXML::Devel (3pm)- makes functions from LibXML.xs available
 * XML::LibXML::DocumentFragment (3pm)- XML::LibXML's DOM L2 Document Fragment Implementation
 * XML::LibXML::DOM (3pm)- XML::LibXML DOM Implementation
 * XML::LibXML::Literal (3pm)- Simple string values.
 * XML::LibXML::Namespace (3pm)- XML::LibXML Namespace Implementation
 * XML::LibXML::Number (3pm)- Simple numeric values.
 * XML::LibXML::PI (3pm)- XML::LibXML Processing Instructions
 * XML::LibXML::RegExp (3pm)- XML::LibXML::RegExp- interface to libxml2 regular expressions
 * XML::LibXML::RelaxNG (3pm)- RelaxNG Schema Validation
 * XML::LibXML::Schema (3pm)- XML Schema Validation
 * XML::LibXML::XPathContext (3pm)- XPath Evaluation
 * XML::LibXML::XPathExpression (3pm)- XML::LibXML::XPathExpression- interface to libxml2 ...
 * XML::NamespaceSupport (3pm)- A simple generic namespace processor
 * XML::Parser::Expat (3pm)- Lowlevel access to James Clark's expat XML parser
 * XML::SAX (3pm) - Simple API for XML
 * XML::SAX::Exception (3pm)- Exception classes for XML::SAX
 * XML::SAX::Intro (3pm)- An Introduction to SAX Parsing with Perl
 * XML::Writer (3pm) - Perl extension for writing XML documents.
 * XML::XPathEngine::Literal (3pm)- Simple string values.
 * XML::XPathEngine::Number (3pm)- Simple numeric values.
 * xorg.conf - configuration files for Xorg X server
 * xorg.conf.d - configuration files for Xorg X server
 * XOrgFoundation - X.Org Foundation information
 * XProjectTeam - X.Org Group information
 * xprt_register - library routines for remote procedure calls
 * xprt_unregister - library routines for remote procedure calls
 * xrandr - primitive command line interface to RandR extension
 * Xsession - initialize X session
 * Xsession.options - configuration options for Xsession
 * xsm - X Session Manager
 * XStandards - X Window System Standards and Specifications
 * xtables-compat - compat tools to migrate from iptables to nftables
 * xtables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * xtables-legacy-multi - iptables using old getsockopt/setsockopt-based kernel api
 * xtables-multi - xtables multi-link binary for netfilter's iptables and ip6tables
 * xtables-nft - iptables using nftables kernel api
 * xtables-nft-multi - iptables using nftables kernel api
 * xtables-translate - translation tool to migrate from iptables to nftables
 * XtAddActions - register an action table
 * XtAddConverter - register resource converter
 * XtAddExposureToRegion - merge exposure events into a region
 * XtAddInput - register input, timeout, and workprocs
 * XtAddTimeOut - register input, timeout, and workprocs
 * XtAddWorkProc - register input, timeout, and workprocs
 * XtAppAddActionHook - register an action hook procedure
 * XtAppAddActions - register an action table
 * XtAppAddBlockHook - register a block hook procedure
 * XtAppAddConverter - register resource converter
 * XtAppAddInput - register and remove an input source
 * XtAppAddSignal - register and remove a signal source
 * XtAppAddTimeOut - register and remove timeouts
 * XtAppGetExitFlag - thread support functions
 * XtAppGetSelectionTimeout - set and obtain selection timeout values
 * XtAppInitialize - initialize, open, or close a display
 * XtAppLock - lock and unlock application context
 * XtAppSetExitFlag - thread support functions
 * XtAppSetSelectionTimeout - set and obtain selection timeout values
 * XtAppSetTypeConverter - register resource converter
 * XtAppUnlock - lock and unlock application context
 * XtAsprintf - memory management functions
 * XtAugmentTranslations - manage translation tables
 * XtCallActionProc - invoke an action procedure directly
 * XtCalloc - memory management functions
 * XtCancelSelectionRequest - bundle multiple selection conversion requests into a singl...
 * XtChangeManagedSet - manage and unmanage children
 * XtCloseDisplay - initialize, open, or close a display
 * XtCreateApplicationContext - create, destroy, and obtain an application context
 * XtCreateApplicationShell - create top-level widget instance
 * XtCreateSelectionRequest - bundle multiple selection conversion requests into a singl...
 * XtCreateWindow - window creation convenience function
 * XtDatabase - initialize, open, or close a display
 * XtDestroyApplicationContext - create, destroy, and obtain an application context
 * XtDisownSelection - set selection owner
 * XtDispatchEventToWidget - extension event handling
 * XtDisplay - obtain window information about a widget
 * XtDisplayInitialize - initialize, open, or close a display
 * XtDisplayOfObject - obtain window information about a widget
 * XtDisplayStringConversionWarning - issue a conversion warning message
 * XtDisplayToApplicationContext - obtain an application context
 * XtFindFile - search for a file using substitutions in the path list
 * XtFree - memory management functions
 * XtGetActionKeysym - obtain corresponding keysym
 * XtGetActionList - obtain class action list
 * XtGetApplicationNameAndClass - retrieve application name and class
 * XtGetApplicationResources - obtain application resources
 * XtGetClassExtension - locate a class extension record
 * XtGetDisplays - retrieve a list of displays associated with an application context
 * XtGetKeyboardFocusWidget - extension event handling
 * XtGetMultiClickTime - set and get multi-click times
 * XtGetSelectionParameters - retrieve target parameters for a selection request with a ...
 * XtGetSelectionRequest - retrieve the event that triggered the XtConvertSelectionProc
 * XtGetSelectionTimeout - set and obtain selection timeout values
 * XtGetSelectionValue - obtain selection values
 * XtGetSelectionValueIncremental - obtain selection values
 * XtGetSelectionValues - obtain selection values
 * XtGetSelectionValuesIncremental - obtain selection values
 * XtInitialize - initialize
 * XtInitializeWidgetClass - initialize a widget class
 * XtInsertEventTypeHandler - extension event handling
 * XtIsApplicationShell - obtain and verify a widget's class
 * XtIsSessionShell - obtain and verify a widget's class
 * XtLastEventProcessed - last event, last timestamp processed
 * XtLastTimestampProcessed - last event, last timestamp processed
 * XtMakeGeometryRequest - make geometry manager request
 * XtMakeResizeRequest - make geometry manager request
 * XtMalloc - memory management functions
 * XtNew - memory management functions
 * XtNewString - memory management functions
 * XtNoticeSignal - register and remove a signal source
 * XtOpenApplication - initialize, open, or close a display
 * XtOpenDisplay - initialize, open, or close a display
 * XtOverrideTranslations - manage translation tables
 * XtOwnSelection - set selection owner
 * XtOwnSelectionIncremental - set selection owner
 * XtParseTranslationTable - manage translation tables
 * XtQueryGeometry - query the preferred geometry of a child widget
 * XtRealloc - memory management functions
 * XtRegisterCaseConverter - convert KeySym to KeyCodes
 * XtRegisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtRegisterExtensionSelector - extension event handling
 * XtRegisterGrabAction - register button and key grabs
 * XtRemoveActionHook - register an action hook procedure
 * XtRemoveBlockHook - register a block hook procedure
 * XtRemoveEventTypeHandler - extension event handling
 * XtRemoveInput - register and remove an input source
 * XtRemoveSignal - register and remove a signal source
 * XtRemoveTimeOut - register and remove timeouts
 * XtResolvePathname - search for a file using standard substitution
 * XtScreen - obtain window information about a widget
 * XtScreenDatabase - initialize, open, or close a display
 * XtScreenOfObject - obtain window information about a widget
 * XtSendSelectionRequest - bundle multiple selection conversion requests into a single ...
 * XtSessionGetToken - token management for checkpointing
 * XtSessionReturnToken - token management for checkpointing
 * XtSetEventDispatcher - extension event handling
 * XtSetMultiClickTime - set and get multi-click times
 * XtSetSelectionParameters - specify target parameters for a selection request with a s...
 * XtSetSelectionTimeout - set and obtain selection timeout values
 * XtSetTypeConverter - register resource converter
 * XtStringConversionWarning - issue a conversion warning message
 * XtToolkitInitialize - create, destroy, and obtain an application context
 * XtToolkitThreadInitialize - initialize the toolkit for multiple threads
 * XtUninstallTranslations - manage translation tables
 * XtUnregisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtVaAppInitialize - initialize, open, or close a display
 * XtVaGetApplicationResources - obtain application resources
 * XtVaOpenApplication - initialize, open, or close a display
 * XtWidgetToApplicationContext - create, destroy, and obtain an application context
 * XtWindow - obtain window information about a widget
 * XtWindowOfObject - obtain window information about a widget
 * xviewer - an image viewer
 * xvinfo - Print out X-Video extension adaptor information
 * xvminitoppm - convert a XV "thumbnail" picture to PPM
 * xwd - dump an image of an X window
 * xwininfo - window information utility for X
 * xwud - image displayer for X
 * xzegrep - search compressed files for a regular expression
 * xzfgrep - search compressed files for a regular expression
 * xzgrep - search compressed files for a regular expression
 * y0 - Bessel functions of the second kind
 * y0f - Bessel functions of the second kind
 * y0l - Bessel functions of the second kind
 * y1 - Bessel functions of the second kind
 * y1f - Bessel functions of the second kind
 * y1l - Bessel functions of the second kind
 * YAML::LibYAML (3pm) - Perl YAML Serialization using XS and libyaml
 * YAML::XS (3pm) - Perl YAML Serialization using XS and libyaml
 * yelp - browse system documentation
 * yn - Bessel functions of the second kind
 * ynf - Bessel functions of the second kind
 * ynl - Bessel functions of the second kind
 * ypdomainname - show or set the system's NIS/YP domain name
 * zdump - timezone dumper
 * zegrep - search possibly compressed files for a regular expression
 * zero - data sink
 * zfgrep - search possibly compressed files for a regular expression
 * zforce - force a '.gz' extension on all gzip files
 * zgrep - search possibly compressed files for a regular expression
 * zic - timezone compiler
 * zipgrep - search files in a ZIP archive for lines matching a pattern
 * zipinfo - list detailed information about a ZIP archive
 * zipsplit - split a zipfile into smaller zipfiles
 * zlib - compression/decompression library
 * zsoelim - satisfy .so requests in roff input
 * Future::AsyncAwait::Awaitable (3pm)- the interface required by "Future::AsyncAwait"
 * IO::Async::File (3pm)- watch a file for changes
 * IO::Async::FileStream (3pm)- read the tail of a file
 * IO::Async::Handle (3pm)- event callbacks for a non-blocking file descriptor
 * IO::Async::Loop::Select (3pm)- use IO::Async with "select"
 * Test::Future::AsyncAwait::Awaitable (3pm)- conformance tests for awaitable role API
 * modules - kernel modules to load at boot time
 * 30-systemd-environment-d-generator - Load variables specified by environment.d
 * 7z - A file archiver with high compression ratio format
 * 7za - A file archiver with high compression ratio format
 * 7zr - A file archiver with high compression ratio format
 * Dpkg (3perl) - module with core variables
 * FD_CLR - synchronous I/O multiplexing
 * FD_ISSET - synchronous I/O multiplexing
 * FD_SET - synchronous I/O multiplexing
 * FD_ZERO - synchronous I/O multiplexing
 * Font::TTF::Woff (3pm)- holds Web Open Font File (WOFF) data for the font
 * HEAD (1p) - Simple command line user agent
 * PAM - Pluggable Authentication Modules for Linux
 * toilet - display large colourful characters
 * VBoxHeadless - x86 virtualization solution
 * [ - check file types and compare values
 * __after_morecore_hook - malloc debugging variables
 * __fbufsize - interfaces to stdio FILE structure
 * __flbf - interfaces to stdio FILE structure
 * __fpending - interfaces to stdio FILE structure
 * __freadable - interfaces to stdio FILE structure
 * __freading - interfaces to stdio FILE structure
 * __free_hook - malloc debugging variables
 * __fsetlocking - interfaces to stdio FILE structure
 * __fwritable - interfaces to stdio FILE structure
 * __fwriting - interfaces to stdio FILE structure
 * __malloc_hook - malloc debugging variables
 * __malloc_initialize_hook - malloc debugging variables
 * __memalign_hook - malloc debugging variables
 * __ppc_mdoio - Hint the processor to release shared resources
 * __ppc_mdoom - Hint the processor to release shared resources
 * __ppc_yield - Hint the processor to release shared resources
 * __realloc_hook - malloc debugging variables
 * __setfpucw - set FPU control word on i386 architecture (obsolete)
 * _flushlbf - interfaces to stdio FILE structure
 * _llseek - reposition read/write file offset
 * _newselect - synchronous I/O multiplexing
 * _syscall - invoking a system call without library support (OBSOLETE)
 * a2disconf - enable or disable an apache2 configuration file
 * a2dismod - enable or disable an apache2 module
 * a2dissite - enable or disable an apache2 site / virtual host
 * a2enconf - enable or disable an apache2 configuration file
 * a2enmod - enable or disable an apache2 module
 * a2ensite - enable or disable an apache2 site / virtual host
 * aa-enabled - test whether AppArmor is enabled
 * aa-exec - confine a program with the specified AppArmor profile
 * aa-remove-unknown - remove unknown AppArmor profiles
 * aa-teardown - unload all AppArmor profiles
 * abcde - Grab an entire CD and compress it to Ogg/Vorbis, MP3, FLAC, Ogg/Sp...
 * abiword - flexible cross-platform word processor
 * access - check user's permissions for a file
 * access - Postfix SMTP server access table
 * access.conf - the login access control table file
 * accessdb - dumps the content of a man-db database in a human readable format
 * acct - process accounting file
 * addmntent - get filesystem descriptor file entry
 * addr2line - convert addresses into file names and line numbers
 * adduser.conf - configuration file for adduser and addgroup.
 * afs_syscall - unimplemented system calls
 * aio_fsync - asynchronous file synchronization
 * alsatplg - ALSA Topology Compiler
 * anacrontab - configuration file for anacron
 * anytopnm - attempt to convert an unknown type of image file to a portable anymap
 * aplaymidi - play Standard MIDI Files
 * apparmor.d - syntax of security profiles for AppArmor.
 * apparmor.vim - vim syntax highlighting file for AppArmor profiles
 * apparmor_parser - loads AppArmor profiles into the kernel
 * appstreamcli - Handle AppStream metadata formats and query AppStream data
 * apt-extracttemplates - Utility to extract debconf config and templates from Debian pa...
 * apt-ftparchive - Utility to generate index files
 * apt-sortpkgs - Utility to sort package index files
 * apt-transport-mirror - APT transport for more automated mirror selection
 * apt.conf - Configuration file for APT
 * apt_auth.conf - Login configuration file for APT sources and proxies
 * apt_preferences - Preference control file for APT
 * aptitude - high-level interface to the package manager
 * aptitude-create-state-bundle - bundle the current aptitude state
 * aptitude-curses - high-level interface to the package manager
 * aptitude-run-state-bundle - unpack an aptitude state bundle and invoke aptitude on it
 * AptPkg::hash (3pm) - a helper class for implementing tied hashes
 * apturl - graphical apt-protocol interpreting package installer
 * apturl-gtk - graphical apt-protocol interpreting package installer
 * Archive::Cpio (3pm) - module for manipulations of cpio archives
 * Archive::Zip (3pm) - Provide an interface to ZIP archive files.
 * Archive::Zip::MemberRead (3pm)- A wrapper that lets you read Zip archive members as if t...
 * arecordmidi - record Standard MIDI Files
 * argz - functions to handle an argz list
 * argz_add - functions to handle an argz list
 * argz_add_sep - functions to handle an argz list
 * argz_append - functions to handle an argz list
 * argz_count - functions to handle an argz list
 * argz_create - functions to handle an argz list
 * argz_create_sep - functions to handle an argz list
 * argz_delete - functions to handle an argz list
 * argz_extract - functions to handle an argz list
 * argz_insert - functions to handle an argz list
 * argz_next - functions to handle an argz list
 * argz_replace - functions to handle an argz list
 * argz_stringify - functions to handle an argz list
 * arm2hpdl - Add HP download header/trailer to an ARM ELF binary.
 * arm_fadvise - predeclare an access pattern for file data
 * arm_fadvise64_64 - predeclare an access pattern for file data
 * arm_sync_file_range - sync a file segment with disk
 * arp - Linux ARP kernel module.
 * arp - manipulate the system ARP cache
 * arptables-nft - ARP table administration (nft-based)
 * arptables-nft-restore - Restore ARP Tables (nft-based)
 * arptables-nft-save - dump arptables rules to stdout (nft-based)
 * as - the portable GNU assembler.
 * asciitopgm - convert ASCII graphics into a portable graymap
 * aspell-autobuildhash - Autobuilding aspell hash files for some dicts
 * atan2 - arc tangent function of two variables
 * atan2f - arc tangent function of two variables
 * atan2l - arc tangent function of two variables
 * atexit - register a function to be called at normal process termination
 * atktopbm - convert Andrew Toolkit raster object to portable bitmap
 * atof - convert a string to a double
 * attr - extended attributes on filesystem objects
 * Authen::SASL::Perl (3pm)-- Perl implementation of the SASL Authentication framework
 * autoheader - Create a template header for configure
 * autom4te - Generate files and scripts thanks to M4
 * autoreconf - Update generated configuration files
 * avahi-daemon.conf - avahi-daemon configuration file
 * avahi.hosts - avahi-daemon static host name file
 * avahi.service - avahi-daemon static service file
 * axfer-list - dump lists of available sound devices and nodes to transfer audio ...
 * B::Hooks::EndOfScope::PP (3pm)- Execute code after a scope finished compilation- PP imp...
 * B::Hooks::EndOfScope::XS (3pm)- Execute code after a scope finished compilation- XS imp...
 * basename - strip directory and suffix from filenames
 * bdftopcf - convert X font from Bitmap Distribution Format to Portable Compile...
 * be16toh - convert values between host and big-/little-endian byte order
 * be32toh - convert values between host and big-/little-endian byte order
 * be64toh - convert values between host and big-/little-endian byte order
 * bindresvport - bind a socket to a privileged IP port
 * binfmt.d - Configure additional binary formats for executables at boot
 * bioradtopgm - convert a Biorad confocal file into a portable graymap
 * bluetooth-sendto - GTK application for transferring files over Bluetooth
 * bmptopnm - convert a BMP file into a portable anymap
 * bmptoppm - convert a BMP file into a portable anymap
 * boot - System bootup process based on UNIX System V Release 4
 * botti - Run an irssi module, such as a bot, without a UI
 * bounce - Postfix bounce message template format
 * break - unimplemented system calls
 * bridge - show / manipulate bridge addresses and devices
 * brltty - refreshable braille display driver for Linux/Unix
 * brushtopbm - convert a doodle brush file into a portable bitmap
 * btowc - convert single byte to wide character
 * btrfs - topics about the BTRFS filesystem (mount options, supported file a...
 * btrfs - a toolbox to manage btrfs filesystems
 * btrfs-balance - balance block groups on a btrfs filesystem
 * btrfs-check - check or repair a btrfs filesystem
 * btrfs-convert - convert from ext2/3/4 or reiserfs filesystem to btrfs in-place
 * btrfs-device - manage devices of btrfs filesystems
 * btrfs-filesystem - command group that primarily does work on the whole filesystems
 * btrfs-image - create/restore an image of the filesystem
 * btrfs-property - get/set/list properties for given filesystem object
 * btrfs-qgroup - control the quota group of a btrfs filesystem
 * btrfs-quota - control the global quota status of a btrfs filesystem
 * btrfs-rescue - Recover a damaged btrfs filesystem
 * btrfs-restore - try to restore files from a damaged btrfs filesystem image
 * btrfs-scrub - scrub btrfs filesystem, verify block checksums
 * btrfs-select-super - overwrite primary superblock with a backup copy
 * btrfsck - check or repair a btrfs filesystem
 * btrfstune - tune various filesystem parameters
 * bunzip2 - a block-sorting file compressor, v1.0.8
 * bzcat - decompresses files to stdout
 * bzcmp - compare bzip2 compressed files
 * bzdiff - compare bzip2 compressed files
 * bzegrep - search possibly bzip2 compressed files for a regular expression
 * bzexe - compress executable files in place
 * bzfgrep - search possibly bzip2 compressed files for a regular expression
 * bzgrep - search possibly bzip2 compressed files for a regular expression
 * bzip2 - a block-sorting file compressor, v1.0.8
 * bzip2recover - recovers data from damaged bzip2 files
 * bzless - file perusal filter for crt viewing of bzip2 compressed text
 * bzmore - file perusal filter for crt viewing of bzip2 compressed text
 * c++ - GNU project C and C++ compiler
 * c++filt - demangle C++ and Java symbols
 * c89 - ANSI (1989) C compiler
 * c89-gcc - ANSI (1989) C compiler
 * c99 - ANSI (1999) C compiler
 * c99-gcc - ANSI (1999) C compiler
 * c_rehash (1ssl) - Create symbolic links to files named by the hash values
 * ca (1ssl) - sample minimal CA application
 * cabextract - program to extract files from Microsoft cabinet (.cab) archives
 * cabs - absolute value of a complex number
 * cabsf - absolute value of a complex number
 * cabsl - absolute value of a complex number
 * cacaplay - play libcaca files
 * cacos - complex arc cosine
 * cacosf - complex arc cosine
 * cacosh - complex arc hyperbolic cosine
 * cacoshf - complex arc hyperbolic cosine
 * cacoshl - complex arc hyperbolic cosine
 * cacosl - complex arc cosine
 * cal - displays a calendar and the date of Easter
 * calendar - reminder service
 * canonical - Postfix canonical table format
 * canonicalize_file_name - return the canonicalized absolute pathname
 * capability.conf - configuration file for the pam_cap module
 * carg - calculate the complex argument
 * cargf - calculate the complex argument
 * cargl - calculate the complex argument
 * casin - complex arc sine
 * casinf - complex arc sine
 * casinh - complex arc sine hyperbolic
 * casinhf - complex arc sine hyperbolic
 * casinhl - complex arc sine hyperbolic
 * casinl - complex arc sine
 * casper-snapshot - a simple script to ease persistence usage.
 * cat - concatenate files and print on the standard output
 * catan - complex arc tangents
 * catanf - complex arc tangents
 * catanh - complex arc tangents hyperbolic
 * catanhf - complex arc tangents hyperbolic
 * catanhl - complex arc tangents hyperbolic
 * catanl - complex arc tangents
 * cc - GNU project C and C++ compiler
 * ccos - complex cosine function
 * ccosf - complex cosine function
 * ccosh - complex hyperbolic cosine
 * ccoshf - complex hyperbolic cosine
 * ccoshl - complex hyperbolic cosine
 * ccosl - complex cosine function
 * cd-create-profile - Color Manager Profile Creation Tool
 * cd-fix-profile - Color Manager Testing Tool
 * ceil - ceiling function: smallest integral value not less than argument
 * ceilf - ceiling function: smallest integral value not less than argument
 * ceill - ceiling function: smallest integral value not less than argument
 * celluloid - A simple GTK+ frontend for mpv
 * cexp - complex exponential function
 * cexp2 - base-2 exponent of a complex number
 * cexp2f - base-2 exponent of a complex number
 * cexp2l - base-2 exponent of a complex number
 * cexpf - complex exponential function
 * cexpl - complex exponential function
 * cfdisk - display or manipulate a disk partition table
 * cgdisk - Curses-based GUID partition table (GPT) manipulator
 * CGI (3pm) - Handle Common Gateway Interface requests and responses
 * CGI::HTML::Functions (3pm)- Documentation for CGI.pm Legacy HTML Functionality
 * CGI::Pretty (3pm) - module to produce nicely formatted HTML code
 * CGI::Push (3pm) - Simple Interface to Server Push
 * CGI::Util (3pm) - Internal utilities used by CGI module
 * chacl - change the access control list of a file or directory
 * charmap - character set description file
 * chattr - change file attributes on a Linux file system
 * chcon - change file security context
 * check_forensic - tool to extract mod_log_forensic output from apache log files
 * chmod - change file mode bits
 * chmod - change permissions of a file
 * choom - display and adjust OOM-killer score.
 * chown - change file owner and group
 * chown - change ownership of a file
 * chown32 - change ownership of a file
 * chromium - the web browser from Google
 * chronic - runs a command quietly unless it fails
 * chrt - manipulate the real-time attributes of a process
 * cidr_table - format of Postfix CIDR tables
 * cifs.idmap - Userspace helper for mapping ids for Common Internet File System (...
 * cifs.upcall - Userspace upcall helper for Common Internet File System (CIFS)
 * cifsdd - convert and copy a file over SMB
 * cimag - get imaginary part of a complex number
 * cimagf - get imaginary part of a complex number
 * cimagl - get imaginary part of a complex number
 * ciptool - Bluetooth Common ISDN Access Profile (CIP)
 * CIRCLEQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail que...
 * CIRCLEQ_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail qu...
 * CIRCLEQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queu...
 * CIRCLEQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queu...
 * CIRCLEQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * cjpeg - compress an image file to a JPEG file
 * ckbcomp - compile a XKB keyboard description to a keymap suitable for loadke...
 * cksum - checksum and count the bytes in a file
 * Class::Accessor::Fast (3pm)- Faster, but less expandable, accessors
 * Class::Accessor::Faster (3pm)- Even faster, but less expandable, accessors
 * classes.conf - class configuration file for cups
 * cleanup (8postfix) - canonicalize and enqueue Postfix message
 * clear - clear the terminal screen
 * clear_console - clear the console
 * clearenv - clear the environment
 * clearerr - check and reset stream status
 * clearerr_unlocked - nonlocking stdio functions
 * client.conf - client configuration file for cups (deprecated on macos)
 * clock_nanosleep - high-resolution sleep with specifiable clock
 * clog - natural logarithm of a complex number
 * clog10 - base-10 logarithm of a complex number
 * clog10f - base-10 logarithm of a complex number
 * clog10l - base-10 logarithm of a complex number
 * clog2 - base-2 logarithm of a complex number
 * clog2f - base-2 logarithm of a complex number
 * clog2l - base-2 logarithm of a complex number
 * clogf - natural logarithm of a complex number
 * clogl - natural logarithm of a complex number
 * close - close a file descriptor
 * CMSG_LEN - access ancillary data
 * cmuwmtopbm - convert a CMU window manager bitmap into a portable bitmap
 * codepage - extract a codepage from an MSDOS codepage file
 * colrm - remove columns from a file
 * combine - combine sets of lines from two files using boolean operations
 * comm - compare two sorted files line by line
 * complex - basics of complex mathematics
 * compose - execute programs via entries in the mailcap file
 * concalc - console calculator
 * config (5ssl) - OpenSSL CONF library configuration files
 * config.guess - guess the build system triplet
 * config.sub - validate and canonicalize a configuration triplet
 * confstr - get configuration dependent string variables
 * conj - calculate the complex conjugate
 * conjf - calculate the complex conjugate
 * conjl - calculate the complex conjugate
 * console-setup - configuration file for setupcon
 * console_codes - Linux console escape and control sequences
 * console_ioctl - ioctls for console terminal and virtual consoles
 * convert - convert between image formats as well as resize an image, blur, cr...
 * convert-im6 - convert between image formats as well as resize an image, blur, cr...
 * convert-im6.q16 - convert between image formats as well as resize an image, blur, cr...
 * copy_file_range - Copy a range of data from one file to another
 * core - core dump file
 * coredump.conf - Core dump storage configuration files
 * coredump.conf.d - Core dump storage configuration files
 * corelist - a commandline frontend to Module::CoreList
 * cp - copy files and directories
 * Cpanel::JSON::XS::Boolean (3pm)- true and false values
 * cpgr - copy with locking the given file to the password or group file
 * cpio - copy files to and from archives
 * cpow - complex power function
 * cpowf - complex power function
 * cpowl - complex power function
 * cppw - copy with locking the given file to the password or group file
 * cracklib-check - Check passwords using libcrack2
 * crc32 - compute CRC-32 checksums for the given files
 * crda - send to the kernel a wireless regulatory domain for a given ISO / ...
 * creal - get real part of a complex number
 * crealf - get real part of a complex number
 * creall - get real part of a complex number
 * creat - open and possibly create a file
 * create-cracklib-dict - Check passwords using libcrack2
 * create_module - create a loadable module entry
 * cron - daemon to execute scheduled commands (Vixie Cron)
 * crontab - maintain crontab files for individual users (Vixie Cron)
 * crontab - tables for driving cron
 * crypt - storage format for hashed passphrases and available hashing methods
 * crypttab - static information about encrypted filesystems
 * csin - complex sine function
 * csinf - complex sine function
 * csinh - complex hyperbolic sine
 * csinhf - complex hyperbolic sine
 * csinhl - complex hyperbolic sine
 * csinl - complex sine function
 * csplit - split a file into sections determined by context lines
 * csqrt - complex square root
 * csqrtf - complex square root
 * csqrtl - complex square root
 * csscapture - Downloads CSS stylesheets.
 * csscapture_py3 - Downloads CSS stylesheets.
 * csscombine - Utility to combine several stylesheets into one.
 * csscombine_py3 - Utility to combine several stylesheets into one.
 * ctan - complex tangent function
 * ctanf - complex tangent function
 * ctanh - complex hyperbolic tangent
 * ctanhf - complex hyperbolic tangent
 * ctanhl - complex hyperbolic tangent
 * ctanl - complex tangent function
 * cups-browsed.conf - server configuration file for cups-browsed
 * cups-files.conf - file and directory configuration file for cups
 * cups-genppdupdate - update CUPS+Gutenprint PPD files
 * cups-snmp.conf - snmp configuration file for cups (deprecated)
 * cupsd - cups scheduler
 * cupsd-logs - cupsd log files (access_log, error_log, and page_log)
 * cupsd.conf - server configuration file for cups
 * cupsdisable - stop/start printers and classes
 * cupsenable - stop/start printers and classes
 * cupsfilter - convert a file to another format using cups filters (deprecated)
 * cupstestppd - test conformance of ppd files
 * cut - remove sections from each line of files
 * cvt - calculate VESA CVT mode lines
 * cvtsudoers - convert between sudoers file formats
 * dbus-cleanup-sockets - clean up leftover sockets in a directory
 * dbwrap_tool - low level TDB/CTDB manipulation tool using the dbwrap interface
 * dccleancrw - Canon (CRW) RAW photo file recovery utility
 * dcgettext - translate message
 * dcngettext - translate message and choose plural form
 * dconf - Simple tool for manipulating a dconf database
 * dd - convert and copy a file
 * ddp - Linux AppleTalk protocol implementation
 * ddstdecode - Decode a Ricoh DDST stream into human readable form.
 * deallocvt - deallocate unused virtual consoles
 * deb-buildinfo - Debian build information file format
 * deb-changelog - dpkg source packages' changelog file format
 * deb-changes - Debian changes file format
 * deb-conffiles - package conffiles
 * deb-control - Debian binary packages' master control file format
 * deb-extra-override - Debian archive extra override file
 * deb-old - old style Debian binary package format
 * deb-origin - Vendor-specific information files
 * deb-override - Debian archive override file
 * deb-shlibs - Debian shared library information file
 * deb-src-control - Debian source packages' master control file format
 * deb-src-files - Debian distribute files format
 * deb-src-rules - Debian source package rules file
 * deb-substvars - Debian source substitution variables
 * deb-symbols - Debian's extended shared library information file
 * debconf-gettextize - extract translations of debconf templates into PO files
 * debconf-set-selections - insert new values into the debconf database
 * debconf-updatepo - update PO files about debconf templates
 * debhelper-obsolete-compat - List of no longer supported compat levels
 * DebianNet - create, remove, enable or disable entry in /etc/inetd.
 * debugfs - ext2/ext3/ext4 file system debugger
 * debugreiserfs - The debugging tool for the ReiserFS filesystem.
 * defined - a library for working with MaxMind DB files
 * dehtmldiff - get usable diff from an HTML page
 * delete_module - unload a kernel module
 * deluser.conf - configuration file for deluser and delgroup.
 * depmod - Generate modules.dep and map files.
 * DES_FAILED - fast DES encryption
 * desktop-file-edit - Installation and edition of desktop files
 * desktop-file-install - Installation and edition of desktop files
 * desktop-file-validate - Validate desktop entry files
 * Devel::Size (3pm) - Perl extension for finding the memory usage of Perl variables
 * df - report file system disk space usage
 * dgettext - translate message
 * dh_auto_clean - automatically cleans up after a build
 * dh_autoreconf - Call autoreconf-f-i and keep track of the changed files.
 * dh_autoreconf_clean - Clean all changes made by dh_autoreconf
 * dh_bash-completion - install bash completions for package
 * dh_bugfiles - install bug reporting customization files into package build direc...
 * dh_clean - clean up package build directories
 * dh_compress - compress files and fix symlinks in package build directories
 * dh_dkms - correctly handle DKMS usage by a kernel module package
 * dh_fixperms - fix permissions of files in package build directories
 * dh_gconf - install GConf defaults files and register schemas (deprecated)
 * dh_gencontrol - generate and install control file
 * dh_install - install files into package build directories
 * dh_installdeb - install files into the DEBIAN directory
 * dh_installdebconf - install files used by debconf in package build directories
 * dh_installemacsen - register an Emacs add on package
 * dh_installexamples - install example files into package build directories
 * dh_installinfo - install info files
 * dh_installinit - install service init files into package build directories
 * dh_installlogcheck - install logcheck rulefiles into etc/logcheck/
 * dh_installlogrotate - install logrotate config files
 * dh_installmanpages - old-style man page installer (deprecated)
 * dh_installmenu - install Debian menu files into package build directories
 * dh_installmime - install mime files into package build directories
 * dh_installmodules - register kernel modules
 * dh_installpam - install pam support files
 * dh_installppp - install ppp ip-up and ip-down files
 * dh_installsystemd - install systemd unit files
 * dh_installsystemduser - install systemd unit files
 * dh_installtmpfiles - install tmpfiles.d configuration files
 * dh_installudev - install udev rules files
 * dh_installxmlcatalogs - install and register XML catalog files
 * dh_lintian - install lintian override files into package build directories
 * dh_makeshlibs - automatically create shlibs file and call dpkg-gensymbols
 * dh_md5sums - generate DEBIAN/md5sums file
 * dh_missing - check for missing files
 * dh_movefiles - move files out of debian/tmp into subpackages
 * dh_perl - calculates Perl dependencies and cleans up after MakeMaker
 * dh_perl_openssl - add dependencies required for OpenSSL modules
 * dh_prep - perform cleanups in preparation for building a binary package
 * dh_python2 - calculates Python dependencies, adds maintainer scripts to byte co...
 * dh_shlibdeps - calculate shared library dependencies
 * dh_strip - strip executables, shared libraries, and some static libraries
 * dh_strip_nondeterminism (1p)- strip uninteresting, nondeterministic information from files
 * dh_systemd_enable - enable/disable systemd unit files
 * dh_systemd_start - start/stop/restart systemd unit files
 * dh_testroot - ensure that a package is built with necessary level of root permis...
 * dh_ucf - register configuration files with ucf
 * dh_update_autotools_config - Update autotools config files
 * dhclient.conf - DHCP client configuration file
 * dhclient.leases - DHCP client lease database
 * diffimg - Calculates intersection between two images
 * difftime - calculate time difference
 * dijkstra - single-source distance filter for Graphviz
 * dir_colors - configuration file for dircolors
 * dirfd - get directory stream file descriptor
 * dirname - strip last component from file name
 * dirsplit - splits directory into multiple with equal size
 * djpeg - decompress a JPEG file to an image file
 * dkms - Dynamic Kernel Module Support
 * dladdr - translate address to symbolic information
 * dladdr1 - translate address to symbolic information
 * dlclose - open and close a shared object
 * dlerror - obtain error diagnostic for functions in the dlopen API
 * dlsym - obtain address of a symbol in a shared object or executable
 * dlvsym - obtain address of a symbol in a shared object or executable
 * dmidecode - DMI table decoder
 * dmsetup - low level logical volume management
 * dngettext - translate message and choose plural form
 * dnssec-trust-anchors.d - DNSSEC trust anchor configuration files
 * dosfsck - check and repair MS-DOS filesystems
 * dosfslabel - set or get MS-DOS filesystem label
 * dotlockfile - Utility to manage lockfiles
 * dotty - A Customizable Graph Editor
 * dpkg-distaddfile - add entries to debian/files
 * dpkg-divert - override a package's version of a file
 * dpkg-genbuildinfo - generate Debian .buildinfo files
 * dpkg-genchanges - generate Debian .changes files
 * dpkg-gencontrol - generate Debian control files
 * dpkg-gensymbols - generate symbols files (shared library dependency information)
 * dpkg-mergechangelogs - 3-way merge of debian/changelog files
 * dpkg-parsechangelog - parse Debian changelog files
 * dpkg-preconfigure - let packages ask questions prior to their installation
 * dpkg-reconfigure - reconfigure an already installed package
 * dpkg-repack - put an unpacked .deb file back together
 * dpkg-scanpackages - create Packages index files
 * dpkg-scansources - create Sources index files
 * dpkg-statoverride - override ownership and mode of files
 * dpkg.cfg - dpkg configuration file
 * Dpkg::Arch (3perl) - handle architectures
 * Dpkg::Build::Info (3perl)- handle build information
 * Dpkg::BuildProfiles (3perl)- handle build profiles
 * Dpkg::Changelog (3perl)- base class to implement a changelog parser
 * Dpkg::Checksums (3perl)- generate and manipulate file checksums
 * Dpkg::Compression (3perl)- simple database of available compression methods
 * Dpkg::Compression::FileHandle (3perl)- object dealing transparently with file compression
 * Dpkg::Conf (3perl) - parse dpkg configuration files
 * Dpkg::Control (3perl)- parse and manipulate official control-like information
 * Dpkg::Control::Hash (3perl)- parse and manipulate a block of RFC822-like fields
 * Dpkg::Control::HashCore (3perl)- parse and manipulate a block of RFC822-like fields
 * Dpkg::Control::Info (3perl)- parse files like debian/control
 * Dpkg::Control::Tests (3perl)- parse files like debian/tests/control
 * Dpkg::Deps (3perl) - parse and manipulate dependencies of Debian packages
 * Dpkg::Deps::KnownFacts (3perl)- list of installed real and virtual packages
 * Dpkg::Deps::Multiple (3perl)- base module to represent multiple dependencies
 * Dpkg::Deps::Simple (3perl)- represents a single dependency statement
 * Dpkg::Deps::Union (3perl)- list of unrelated dependencies
 * Dpkg::Exit (3perl) - program exit handlers
 * Dpkg::Gettext (3perl)- convenience wrapper around Locale::gettext
 * Dpkg::Interface::Storable (3perl)- common methods related to object serialization
 * Dpkg::Source::Format (3perl)- manipulate debian/source/format files
 * Dpkg::Source::Package (3perl)- manipulate Debian source packages
 * Dpkg::Substvars (3perl)- handle variable substitution in strings
 * Dpkg::Version (3perl)- handling and comparing dpkg-style version numbers
 * driverless - PPD generator utility for driverless printing
 * dsc - Debian source packages' control file format
 * du - estimate file space usage
 * duff - duplicate file finder
 * dump-acct - print an acct file in human-readable format.
 * dump-utmp - print an utmp file in human-readable format.
 * dumpe2fs - dump ext2/ext3/ext4 filesystem information
 * dumpexfat - dump exFAT file system
 * dumpkeys - dump keyboard translation tables
 * dup - duplicate a file descriptor
 * dup2 - duplicate a file descriptor
 * dup3 - duplicate a file descriptor
 * duplocale - duplicate a locale object
 * dvipdf - Convert TeX DVI file to PDF using ghostscript and dvips
 * e2fsck - check a Linux ext2/ext3/ext4 file system
 * e2fsck.conf - Configuration file for e2fsck
 * e2image - Save critical ext2/ext3/ext4 filesystem metadata to a file
 * e2label - Change the label on an ext2/ext3/ext4 filesystem
 * e2mmpstatus - Check MMP status of an ext4 filesystem
 * e2scrub - check the contents of a mounted ext[234] filesystem
 * e2scrub_all - check all mounted ext[234] filesystems for errors.
 * e2undo - Replay an undo log for an ext2/ext3/ext4 filesystem
 * e4crypt - ext4 filesystem encryption utility
 * e4defrag - online defragmenter for ext4 filesystem
 * eaccess - check effective user's permissions for a file
 * ebtables-nft - Ethernet bridge frame table administration (nft-based)
 * ebtables-nft-restore - iptables using nftables kernel api
 * ebtables-nft-save - iptables using nftables kernel api
 * ecryptfs - an enterprise-class cryptographic filesystem for linux
 * ecryptfs-find - use inode numbers to match encrypted/decrypted filenames
 * ecryptfs-insert-wrapped-passphrase-into-key... - unwrap a wrapped passphrase from fil...
 * ecryptfs-rewrap-passphrase - unwrap an eCryptfs wrapped passphrase, rewrap it with a ...
 * ecryptfs-rewrite-file - force a file to be rewritten (reencrypted) in the lower files...
 * ecryptfs-stat - Present statistics on encrypted eCryptfs file attributes
 * ecryptfs-unwrap-passphrase - unwrap an eCryptfs mount passphrase from file.
 * edit - execute programs via entries in the mailcap file
 * editrc (5edit) - configuration file for editline library
 * eject - eject removable media
 * elf - format of Executable and Linking Format (ELF) files
 * elfedit - update ELF header and program property of ELF files
 * enc2xs -- Perl Encode Module Generator
 * encguess - guess character encodings of files
 * enchant-lsmod - Show information about available spell-checking modules and dictio...
 * Encode::Locale (3pm)- Determine the locale encoding
 * endfsent - handle fstab entries
 * endgrent - get group file entry
 * endian - convert values between host and big-/little-endian byte order
 * endmntent - get filesystem descriptor file entry
 * endnetgrent - handle network group entries
 * endpwent - get password file entry
 * endspent - get shadow password file entry
 * endttyent - get ttys file entry
 * endutent - access utmp file entries
 * endutxent - access utmp file entries
 * envsubst - substitutes environment variables in shell format strings
 * epoll_create - open an epoll file descriptor
 * epoll_create1 - open an epoll file descriptor
 * epoll_ctl - control interface for an epoll file descriptor
 * epoll_pwait - wait for an I/O event on an epoll file descriptor
 * epoll_wait - wait for an I/O event on an epoll file descriptor
 * eps2eps - Ghostscript PostScript "distiller"
 * erfc - complementary error function
 * erfcf - complementary error function
 * erfcl - complementary error function
 * Error::Simple (3pm) - the simple error sub-class of Error
 * euidaccess - check effective user's permissions for a file
 * eutp - EuroBraille file transferring
 * EV::MakeMaker (3pm) - MakeMaker glue for the C-level EV API
 * Eval::TypeTiny (3pm)- utility to evaluate a string of Perl code in a clean environment
 * eventfd - create a file descriptor for event notification
 * eventfd2 - create a file descriptor for event notification
 * eventfd_read - create a file descriptor for event notification
 * eventfd_write - create a file descriptor for event notification
 * evp (7ssl) - high-level cryptographic functions
 * exa - new 2D acceleration architecture for X.Org
 * exec - execute a file
 * execl - execute a file
 * execle - execute a file
 * execlp - execute a file
 * execv - execute a file
 * execveat - execute program relative to a directory file descriptor
 * execvp - execute a file
 * execvpe - execute a file
 * exfatfsck - check an exFAT file system
 * exfatlabel - get or set an exFAT file system label
 * exifautotran - Transforms Exif files so that Orientation becomes 1
 * Exporter::Tiny::Manual::Importing (3pm)- importing from Exporter::Tiny-based modules
 * ext2 - the second extended file system
 * ext3 - the third extended file system
 * ext4 - the fourth extended file system
 * eyuvtoppm - convert a Berkeley YUV file to a portable pixmap file
 * faccessat - check user's permissions for a file
 * fadvise64 - predeclare an access pattern for file data
 * fadvise64_64 - predeclare an access pattern for file data
 * faillog - login failure logging file
 * faked - daemon that remembers fake ownership/permissions of files manipula...
 * faked-sysv - daemon that remembers fake ownership/permissions of files manipula...
 * faked-tcp - daemon that remembers fake ownership/permissions of files manipula...
 * fakeroot - run a command in an environment faking root privileges for file ma...
 * fakeroot-sysv - run a command in an environment faking root privileges for file ma...
 * fakeroot-tcp - run a command in an environment faking root privileges for file ma...
 * fallocate - preallocate or deallocate space to a file
 * fallocate - manipulate file space
 * fanotify - monitoring filesystem events
 * fanotify_mark - add, remove, or modify an fanotify mark on a filesystem object
 * fatlabel - set or get MS-DOS filesystem label
 * fattach - unimplemented system calls
 * fbdevhw - os-specific submodule for framebuffer device access
 * fc-cache - build font information cache files
 * fc-cat - read font information cache files
 * fc-conflist - Show the ruleset files information on the system
 * fc-list - list available fonts
 * fc-match - match available fonts
 * fc-query - query font files
 * fc-scan - scan font files or directories
 * fc-validate - validate font files
 * FCGI (3pm) - Fast CGI module
 * fchmod - change permissions of a file
 * fchmodat - change permissions of a file
 * fchown - change ownership of a file
 * fchown32 - change ownership of a file
 * fchownat - change ownership of a file
 * fcntl - manipulate file descriptor
 * fcntl64 - manipulate file descriptor
 * fdatasync - synchronize a file's in-core state with storage device
 * fdetach - unimplemented system calls
 * fdfind - find entries in the filesystem
 * fdformat - low-level format a floppy disk
 * fdisk - manipulate disk partition table
 * feclearexcept - floating-point rounding and exception handling
 * fedisableexcept - floating-point rounding and exception handling
 * feenableexcept - floating-point rounding and exception handling
 * fexecve - execute program specified via file descriptor
 * ffmpeg-resampler - FFmpeg Resampler
 * ffmpeg-scaler - FFmpeg video scaling and pixel format converter
 * fgconsole - print the number of the active VT.
 * fgetgrent - get group file entry
 * fgetgrent_r - get group file entry reentrantly
 * fgetpwent - get password file entry
 * fgetpwent_r - get passwd file entry reentrantly
 * fgetspent - get shadow password file entry
 * fgetspent_r - get shadow password file entry
 * fgetwc - read a wide character from a FILE stream
 * fgetws - read a wide-character string from a FILE stream
 * fifo - first-in first-out special file, named pipe
 * figlet-toilet - display large colourful characters
 * file - determine file type
 * file-hierarchy - File system hierarchy overview
 * file-rename (1p) - renames multiple files
 * file-roller - archive manager for GNOME
 * file2brl - Translate an xml or a text file into an embosser-ready braille file
 * File::BaseDir (3pm) - Use the Freedesktop.org base directory specification
 * File::DesktopEntry (3pm)- Object to handle .desktop files
 * File::FcntlLock (3pm)- File locking with fcntl
 * File::FcntlLock::Inline (3pm)- File locking with fcntl
 * File::FcntlLock::Pure (3pm)- File locking with fcntl
 * File::FcntlLock::XS (3pm)- File locking with fcntl
 * File::Find::Rule (3pm)- Alternative interface to File::Find
 * File::Find::Rule::Extending (3pm)- the mini-guide to extending File::Find::Rule
 * File::Find::Rule::Procedural (3pm)- File::Find::Rule's procedural interface
 * File::IconTheme (3pm)- find icon directories
 * File::Listing (3pm) - parse directory listing
 * File::MimeInfo (3pm)- Determine file type from the file name
 * File::MimeInfo::Applications (3pm)- Find programs to open a file by mimetype
 * File::MimeInfo::Cookbook (3pm)- various code snippets
 * File::MimeInfo::Magic (3pm)- Determine file type with magic
 * File::MimeInfo::Rox (3pm)- Open files by mimetype "Rox style"
 * File::Rename (3pm) - Perl extension for renaming multiple files
 * File::Rename::Options (3pm)- Option processing for File::Rename
 * File::UserDirs (3pm)- find extra media and documents directories
 * filefrag - report on file fragmentation
 * filefuncs (3am) - provide some file related functionality to gawk
 * fileno - check and reset stream status
 * fileno_unlocked - nonlocking stdio functions
 * filesystems - Linux filesystem types: ext, ext2, ext3, ext4, hpfs, iso9660, JFS,...
 * filter - cups file conversion filter interface
 * filterdiff - extract or exclude diffs from a diff file
 * fincore - count pages of file contents in core
 * find - search for files in a directory hierarchy
 * findfs - find a filesystem by label or UUID
 * findmnt - find a filesystem
 * findrule (1p) - command line wrapper to File::Find::Rule
 * finit_module - load a kernel module
 * fitstopnm - convert a FITS file into a portable anymap
 * fixcvsdiff - fix problematic diff files
 * fixparts - MBR partition table repair utility
 * flatpak-build-bundle - Create a single-file bundle from a local repository
 * flatpak-build-import-bundle - Import a file bundle into a local repository
 * flatpak-create-usb - Copy apps and/or runtimes onto removable media.
 * flatpak-document-export - Export a file to a sandboxed application
 * flatpak-document-info - Show information about exported files
 * flatpak-document-unexport - Stop exporting a file
 * flatpak-documents - List exported files
 * flatpak-info - Show information about an installed application or runtime
 * flatpak-list - List installed applications and/or runtimes
 * flatpak-remote-delete - Delete a remote repository
 * flatpak-remote-ls - Show available runtimes and applications
 * flex - the fast lexical analyser generator
 * flex++ - the fast lexical analyser generator
 * flock - apply or remove an advisory lock on an open file
 * flockfile - lock FILE for stdio
 * fmt - simple optimal text formatter
 * fnmatch - match filename or pathname
 * fnmatch (3am) - compare a string against a filename wildcard
 * Font::AFM (3pm) - Interface to Adobe Font Metrics files
 * Font::TTF (3pm) - Perl module for TrueType Font hacking
 * Font::TTF::AATKern (3pm)- AAT Kern table
 * Font::TTF::AATutils (3pm)- Utility functions for AAT tables
 * Font::TTF::Anchor (3pm)- Anchor points for GPOS tables
 * Font::TTF::Bsln (3pm)- Baseline table in a font
 * Font::TTF::Cmap (3pm)- Character map table
 * Font::TTF::Cvt_ (3pm)- Control Value Table in a TrueType font
 * Font::TTF::Delta (3pm)- Opentype Device tables
 * Font::TTF::EBDT (3pm)- Embeeded Bitmap Data Table
 * Font::TTF::EBLC (3pm)- Embeeded Bitmap Location Table
 * Font::TTF::Fdsc (3pm)- Font Descriptors table in a font
 * Font::TTF::Fmtx (3pm)- Font Metrics table
 * Font::TTF::Fpgm (3pm)- Font program in a TrueType font. Called when a font is loaded
 * Font::TTF::GDEF (3pm)- Opentype GDEF table support
 * Font::TTF::Gloc (3pm)- Offsets into Glat table for the start of the attributes for each ...
 * Font::TTF::Glyf (3pm)- The Glyf data table
 * Font::TTF::Glyph (3pm)- Holds a information for a single glyph
 * Font::TTF::GPOS (3pm)- Support for Opentype GPOS tables in conjunction with TTOpen
 * Font::TTF::GSUB (3pm)- Module support for the GSUB table in conjunction with TTOpen
 * Font::TTF::Head (3pm)- The head table for a TTF Font
 * Font::TTF::Hhea (3pm)- Horizontal Header table
 * Font::TTF::Kern (3pm)- Kerning tables
 * Font::TTF::Kern::ClassArray (3pm)- ClassArray Kern Subtable for AAT
 * Font::TTF::Kern::CompactClassArray (3pm)- Compact Class Array kern subtable for AAT
 * Font::TTF::Kern::OrderedList (3pm)- Ordered List Kern subtable for AAT
 * Font::TTF::Kern::StateTable (3pm)- State Table Kern subtable for AAT
 * Font::TTF::Kern::Subtable (3pm)- Kern Subtable superclass for AAT
 * Font::TTF::Loca (3pm)- the Locations table, which is intimately tied to the glyf table
 * Font::TTF::LTSH (3pm)- Linear Threshold table
 * Font::TTF::Manual (3pm)- Information regarding the whole module set
 * Font::TTF::Maxp (3pm)- Maximum Profile table in a font
 * Font::TTF::Mort (3pm)- Glyph Metamorphosis table in a font
 * Font::TTF::Mort::Chain (3pm)- Chain Mort subtable for AAT
 * Font::TTF::Mort::Contextual (3pm)- Contextual Mort subtable for AAT
 * Font::TTF::Mort::Insertion (3pm)- Insertion Mort subtable for AAT
 * Font::TTF::Mort::Ligature (3pm)- Ligature Mort subtable for AAT
 * Font::TTF::Mort::Noncontextual (3pm)- Noncontextual Mort subtable for AAT
 * Font::TTF::Mort::Rearrangement (3pm)- Rearrangement Mort subtable for AAT
 * Font::TTF::Mort::Subtable (3pm)- Mort subtable superclass for AAT
 * Font::TTF::Name (3pm)- String table for a TTF font
 * Font::TTF::OldCmap (3pm)- Character map table
 * Font::TTF::OldMort (3pm)- Glyph Metamorphosis table in a font
 * Font::TTF::OS_2 (3pm)- the OS/2 table in a TTF font
 * Font::TTF::PCLT (3pm)- PCLT TrueType font table
 * Font::TTF::Prep (3pm)- Preparation hinting program. Called when ppem changes
 * Font::TTF::Prop (3pm)- Glyph Properties table in a font
 * Font::TTF::Silf (3pm)- The main Graphite table
 * Font::TTF::Sill (3pm)- Graphite language mapping table
 * Font::TTF::Table (3pm)- Superclass for tables and used for tables we don't have a class for
 * Font::TTF::Ttc (3pm)- Truetype Collection class
 * Font::TTF::Ttopen (3pm)- Opentype superclass for standard Opentype lookup based tables (...
 * Font::TTF::Useall (3pm)- shortcut to 'use' all the Font::TTF modules
 * Font::TTF::Vhea (3pm)- Vertical Header table
 * Font::TTF::XMLparse (3pm)- provides support for XML parsing. Requires Expat module XML::...
 * fonts-conf - Font configuration files
 * fpathconf - get configuration values for files
 * fprintd-delete - Fingerprint management daemon, and test applications
 * fputwc - write a wide character to a FILE stream
 * fputws - write a wide-character string to a FILE stream
 * freelocale - create, modify, and free a locale object
 * fs - Linux filesystem types: ext, ext2, ext3, ext4, hpfs, iso9660, JFS,...
 * fsadm - utility to resize or check filesystem on a device
 * fsck - check and repair a Linux filesystem
 * fsck.cramfs - fsck compressed ROM file system
 * fsck.exfat - check an exFAT file system
 * fsck.ext2 - check a Linux ext2/ext3/ext4 file system
 * fsck.ext3 - check a Linux ext2/ext3/ext4 file system
 * fsck.ext4 - check a Linux ext2/ext3/ext4 file system
 * fsck.fat - check and repair MS-DOS filesystems
 * fsck.hfs - HFS file system consistency check
 * fsck.hfsplus - HFS file system consistency check
 * fsck.minix - check consistency of Minix filesystem
 * fsck.msdos - check and repair MS-DOS filesystems
 * fsck.reiserfs - The checking tool for the ReiserFS filesystem.
 * fsck.vfat - check and repair MS-DOS filesystems
 * fseeko - seek to or report file position
 * fsfreeze - suspend access to a filesystem (Ext3/4, ReiserFS, JFS, XFS)
 * fstab - static information about the filesystems
 * fstat - get file status
 * fstat64 - get file status
 * fstatat - get file status
 * fstatat64 - get file status
 * fstatfs - get filesystem statistics
 * fstatfs64 - get filesystem statistics
 * fstatvfs - get filesystem statistics
 * fstatvfs - get filesystem statistics
 * fstopgm - convert a Usenix FaceSaver(tm) file into a portable graymap
 * fstrim - discard unused blocks on a mounted filesystem
 * fsync - synchronize a file's in-core state with storage device
 * ftello - seek to or report file position
 * ftp - Internet file transfer program
 * ftruncate - truncate a file to a specified length
 * ftruncate64 - truncate a file to a specified length
 * ftrylockfile - lock FILE for stdio
 * fts - traverse a file hierarchy
 * fts_children - traverse a file hierarchy
 * fts_close - traverse a file hierarchy
 * fts_open - traverse a file hierarchy
 * fts_read - traverse a file hierarchy
 * fts_set - traverse a file hierarchy
 * ftw - file tree walk
 * funlockfile - lock FILE for stdio
 * fuse - Filesystem in Userspace (FUSE) device
 * fuser - identify processes using files or sockets
 * fusermount - unmount FUSE filesystems
 * futimens - change file timestamps with nanosecond precision
 * futimes - change file timestamps
 * futimesat - change timestamps of a file relative to a directory file descriptor
 * Future (3pm) - represent an operation awaiting completion
 * Future::Exception (3pm)- an exception type for failed Futures
 * Future::IO::Impl::IOAsync (3pm)- implement "Future::IO" using "IO::Async"
 * Future::Phrasebook (3pm)- coding examples for "Future" and "Future::Utils"
 * fwide - set and determine the orientation of a FILE stream
 * g++ - GNU project C and C++ compiler
 * g++-9 - GNU project C and C++ compiler
 * g3topbm - convert a Group 3 fax file into a portable bitmap
 * gai.conf - getaddrinfo configuration file
 * gamma4scanimage - create a gamma table for scanimage
 * gcalccmd - a console calculator
 * gcc - GNU project C and C++ compiler
 * gcc-9 - GNU project C and C++ compiler
 * gcore - Generate a core file of a running program
 * gcov-dump - offline gcda and gcno profile dump tool
 * gcov-dump-9 - offline gcda and gcno profile dump tool
 * gcov-tool - offline gcda profile processing tool
 * gcov-tool-9 - offline gcda profile processing tool
 * gdebi - Simple tool to install deb files
 * gdebi-gtk - Simple tool to install deb files
 * gdisk - Interactive GUID partition table (GPT) manipulator
 * gemtopbm - convert a GEM .img file into a portable anymap
 * gemtopnm - convert a GEM .img file into a portable anymap
 * gendiff - utility to aid in error-free diff file generation
 * generic - Postfix generic table format
 * genisoimage - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * genisoimagerc - startup configuration file for genisoimage
 * GET (1p) - Simple command line user agent
 * get_avphys_pages - get total and available physical page counts
 * get_kernel_syms - retrieve exported kernel and module symbols
 * get_phys_pages - get total and available physical page counts
 * get_thread_area - manipulate thread-local storage information
 * getcap - examine file capabilities
 * getcifsacl - Userspace helper to display an ACL in a security descriptor for Co...
 * getconf - Query system configuration variables
 * getdirentries - get directory entries in a filesystem-independent format
 * getdtablesize - get file descriptor table size
 * getdtablesize - get file descriptor table size
 * getenv - get an environment variable
 * getfacl - get file access control lists
 * getfattr - get extended attributes of filesystem objects
 * getfsent - handle fstab entries
 * getfsfile - handle fstab entries
 * getfsspec - handle fstab entries
 * getgrent - get group file entry
 * getgrent_r - get group file entry reentrantly
 * getgrgid - get group file entry
 * getgrgid_r - get group file entry
 * getgrnam - get group file entry
 * getgrnam_r - get group file entry
 * getgroups - get/set list of supplementary group IDs
 * getgroups32 - get/set list of supplementary group IDs
 * getkeycodes - print kernel scancode-to-keycode mapping table
 * getmntent - get filesystem descriptor file entry
 * getmntent_r - get filesystem descriptor file entry
 * getmsg - unimplemented system calls
 * getnetgrent - handle network group entries
 * getnetgrent_r - handle network group entries
 * getpmsg - unimplemented system calls
 * getpwent - get password file entry
 * getpwent_r - get passwd file entry reentrantly
 * getpwnam - get password file entry
 * getpwnam_r - get password file entry
 * getpwuid - get password file entry
 * getpwuid_r - get password file entry
 * getspent - get shadow password file entry
 * getspent_r - get shadow password file entry
 * getspnam - get shadow password file entry
 * getspnam_r - get shadow password file entry
 * gettext - translate message
 * gettext - translate message
 * getttyent - get ttys file entry
 * getttynam - get ttys file entry
 * getumask - get file creation mask
 * getunwind - copy the unwind data to caller's buffer
 * getutent - access utmp file entries
 * getutent_r - access utmp file entries
 * getutid - access utmp file entries
 * getutid_r - access utmp file entries
 * getutline - access utmp file entries
 * getutline_r - access utmp file entries
 * getutxent - access utmp file entries
 * getutxid - access utmp file entries
 * getutxline - access utmp file entries
 * getwc - read a wide character from a FILE stream
 * gftp - file transfer client for *NIX based machines.
 * gftp-gtk - file transfer client for *NIX based machines.
 * gftp-text - file transfer client for *NIX based machines.
 * gifsicle - manipulates GIF images and animations
 * giftopnm - convert a GIF file into a portable anymap
 * gimp-console - an image manipulation and paint program.
 * gimp-console-2.10 - an image manipulation and paint program.
 * gimprc - gimp configuration file
 * gimprc-2.10 - gimp configuration file
 * gio-querymodules - GIO module cache creation
 * gipddecode - Decode a GIPD stream into human readable form.
 * git-add - Add file contents to the index
 * git-annotate - Annotate file lines with commit information
 * git-apply - Apply a patch to files and/or to the index
 * git-archive - Create an archive of files from a named tree
 * git-blame - Show what revision and author last modified each line of a file
 * git-branch - List, create, or delete branches
 * git-bundle - Move objects and refs by archive
 * git-cat-file - Provide content or type and size information for repository objects
 * git-check-ignore - Debug gitignore / exclude files
 * git-checkout - Switch branches or restore working tree files
 * git-checkout-index - Copy files from the index to the working tree
 * git-clean - Remove untracked files from the working tree
 * git-commit-graph - Write and verify Git commit-graph files
 * git-daemon - A really simple server for Git repositories
 * git-describe - Give an object a human readable name based on an available ref
 * git-diff-files - Compares files in the working tree and the index
 * git-gc - Cleanup unnecessary files and optimize the local repository
 * git-hash-object - Compute object ID and optionally creates a blob from a file
 * git-http-backend - Server side implementation of Git over HTTP
 * git-imap-send - Send a collection of patches from stdin to an IMAP folder
 * git-index-pack - Build pack index file for an existing packed archive
 * git-interpret-trailers - Add or parse structured information in commit messages
 * git-ls-files - Show information about files in the index and the working tree
 * git-mailinfo - Extracts patch and authorship from a single e-mail message
 * git-mailsplit - Simple UNIX mbox splitter program
 * git-merge-base - Find as good common ancestors as possible for a merge
 * git-merge-file - Run a three-way file merge
 * git-merge-index - Run a merge for files needing merging
 * git-merge-one-file - The standard helper program to use with git-merge-index
 * git-mergetool--lib - Common Git merge tool shell scriptlets
 * git-mv - Move or rename a file, a directory, or a symlink
 * git-pack-redundant - Find redundant pack files
 * git-prune - Prune all unreachable objects from the object database
 * git-prune-packed - Remove extra objects that are already in pack files
 * git-remote-fd - Reflect smart transport stream back to caller
 * git-replace - Create, list, delete refs to replace objects
 * git-restore - Restore working tree files
 * git-rm - Remove files from the working tree and from the index
 * git-stage - Add file contents to the staging area
 * git-submodule - Initialize, update or inspect submodules
 * git-symbolic-ref - Read, modify and delete symbolic refs
 * git-tag - Create, list, delete or verify a tag object signed with GPG
 * git-unpack-file - Creates a temporary file with a blob's contents
 * git-update-index - Register file contents in the working tree to the index
 * git-update-server-info - Update auxiliary info file to help dumb servers
 * git-var - Show a Git logical variable
 * git-verify-pack - Validate packed Git archive files
 * git-worktree - Manage multiple working trees
 * gitignore - Specifies intentionally untracked files to ignore
 * gitmodules - Defining submodule properties
 * gitsubmodules - Mounting one repository inside another
 * gitweb.conf - Gitweb (Git web interface) configuration file
 * glib-compile-schemas - GSettings schema compiler
 * Glib::BookmarkFile (3pm)- Parser for bookmark files
 * Glib::GenPod (3pm) - POD generation utilities for Glib-based modules
 * Glib::KeyFile (3pm) - Parser for .ini-like files
 * Glib::Log (3pm) - A flexible logging mechanism
 * Glib::MakeHelper (3pm)- Makefile.PL utilities for Glib-based extensions
 * Glib::Param::Boolean (3pm)- Wrapper for boolean parameters in GLib
 * Glib::Param::Double (3pm)- Wrapper for double parameters in GLib
 * Glib::ParamSpec (3pm)- encapsulates metadate needed to specify parameters
 * Glib::ParseXSDoc (3pm)- Parse POD and XSub declarations from XS files.
 * Glib::VariantDict (3pm)- Utilities for dealing with the GVariantDict mutable interface t...
 * glxheads - exercise multiple GLX connections
 * glxinfo - show information about the GLX implementation
 * glyrc - search engine for music-related metadata
 * gmtp - simple MP3 player client for MTP based devices
 * gnome-screenshot - capture the screen, a window, or an user-defined area and save the...
 * gnote - A simple note-taking application for Gnome
 * gnu_get_libc_release - get glibc version and release
 * gnu_get_libc_version - get glibc version and release
 * gouldtoppm - convert Gould scanner file into a portable pixmap
 * gpg-check-pattern - Check a passphrase on stdin against the patternfile
 * gpg-zip - encrypt or sign files into an archive
 * gpgtar - Encrypt or sign files into an archive
 * gpic - compile pictures for troff or TeX
 * gprename - complete batch renamer for Linux
 * gprof - display call graph profile data
 * grep-aptavail - grep Debian control files
 * grep-available - grep Debian control files
 * grep-dctrl - grep Debian control files
 * grep-debtags - grep Debian control files
 * grep-status - grep Debian control files
 * grepdiff - show files modified by a diff containing a regex
 * grepjar - search files in a jar file for a pattern
 * group - user group file
 * group.conf - configuration file for the pam_group module
 * groupdel - delete a group
 * grpck - verify integrity of group files
 * grub-file - check file type
 * grub-fstest - debug tool for GRUB filesystem drivers
 * grub-kbdcomp - generate a GRUB keyboard layout file
 * grub-macbless - bless a mac file/directory
 * grub-menulst2cfg - transform legacy menu.lst into grub.cfg
 * grub-mkconfig - generate a GRUB configuration file
 * grub-mkdevicemap - make a device map file automatically
 * grub-mkfont - make GRUB font files
 * grub-mkimage - make a bootable image of GRUB
 * grub-mklayout - generate a GRUB keyboard layout file
 * grub-mount - export GRUB filesystem with FUSE
 * grub-render-label - generate a .disk_label for Apple Macs.
 * gsbj - Format and print text for BubbleJet printer using ghostscript
 * gsdj500 - Format and print text for DeskJet 500 BubbleJet using ghostscript
 * gshadow - shadowed group file
 * gst-device-monitor-1.0 - Simple command line testing tool for GStreamer device monitors
 * gst-discoverer-1.0 - Display file metadata and stream information
 * gst-inspect-1.0 - print info about a GStreamer plugin or element
 * gst-play-1.0 - Simple command line playback testing tool
 * gst-typefind-1.0 - print Media type of file
 * gtbl - format tables for troff
 * gtf - calculate VESA GTF mode lines
 * gtk-builder-tool - GtkBuilder file utility
 * gtk-query-immodules-2.0 - Input method module registration utility
 * gtk-query-immodules-3.0 - Input method module registration utility
 * gts2dxf - converts a GTS file to DXF format.
 * gts2oogl - converts a GTS file to OOGL file format (Geomview).
 * gts2stl - converts a GTS file to STL format
 * gts2xyz - samples a GTS file on a regular grid at intervals DX.
 * gtscheck - checks that a surface defines a closed, orientable non self-inters...
 * gtscompare - compare two GTS files.
 * gtstemplate - generates of a template used to create new object classes.
 * gtty - unimplemented system calls
 * gunzip - compress or expand files
 * gvfs - GIO virtual file system
 * gvfs-less - Execute less on the output of gvfs-cat
 * gvfs-monitor-file - (unknown subject)
 * gzexe - compress executable files in place
 * gzip - compress or expand files
 * h2ph - convert .h C header files to .ph Perl header files
 * h2xs - convert .h C header files to Perl extensions
 * hasmntopt - get filesystem descriptor file entry
 * hbpldecode - Decode a HBPL stream into human readable form.
 * hcreate - hash table management
 * hcreate_r - hash table management
 * hdestroy - hash table management
 * hdestroy_r - hash table management
 * hdparm.conf - Debian configuration file for hdparm
 * head - output the first part of files
 * helpztags - generate the help tags file for directory
 * hier - description of the filesystem hierarchy
 * hipercdecode - Decode a HIPERC stream into human readable form.
 * hipstopgm - convert a HIPS file into a portable graymap
 * host.conf - resolver configuration file
 * hostname - Local hostname configuration file
 * hosts - static table lookup for hostnames
 * hosts.allow - format of host access control files
 * hosts.deny - format of host access control files
 * hosts_access - format of host access control files
 * hp-clean - Printer Printhead Cleaning Utility
 * hp-levels - Supply Levels Utility
 * hsearch - hash table management
 * hsearch_r - hash table management
 * htcacheclean - Clean up the disk cache
 * htdbm - Manipulate DBM password databases
 * htdigest - manage user files for digest authentication
 * HTML::Element (3pm) - Class for objects that represent HTML elements
 * HTML::Element::traverse (3pm)- discussion of HTML::Element's traverse method
 * HTML::Form (3pm) - Class that represents an HTML form element
 * HTML::Tagset (3pm) - data tables useful in parsing HTML
 * HTML::Tree::AboutObjects (3pm)-- article: "User's View of Object-Oriented Modules"
 * HTML::Tree::AboutTrees (3pm)-- article on tree-shaped data structures in Perl
 * HTML::Tree::Scanning (3pm)-- article: "Scanning HTML"
 * htmltree (1p) - Parse the given HTML file and dump the parse tree
 * htobe16 - convert values between host and big-/little-endian byte order
 * htobe32 - convert values between host and big-/little-endian byte order
 * htobe64 - convert values between host and big-/little-endian byte order
 * htole16 - convert values between host and big-/little-endian byte order
 * htole32 - convert values between host and big-/little-endian byte order
 * htole64 - convert values between host and big-/little-endian byte order
 * htpasswd - Manage user files for basic authentication
 * HTTP::Cookies::Netscape (3pm)- Access to Netscape cookies files
 * HTTP::Daemon (3pm) - A simple http server class
 * HTTP::Message (3pm) - HTTP style message (base class)
 * HTTP::Request (3pm) - HTTP style request message
 * HTTP::Response (3pm)- HTTP style response message
 * httxt2dbm - Generate dbm files for use with RewriteMap
 * hwclock - variables that affect the behaviour of the hwclock boot script
 * iceauth - ICE authority file utility
 * icmp - Linux IPv4 ICMP kernel module.
 * icontopbm - convert a Sun icon into a portable bitmap
 * iconvconfig - create iconv module configuration cache
 * identify - describes the format and characteristics of one or more image files.
 * identify-im6 - describes the format and characteristics of one or more image files.
 * identify-im6.q16 - describes the format and characteristics of one or more image files.
 * idevicebackup2 - Create or restore backups for devices running iOS 4 or later.
 * ideviceinstaller - Manage apps on iOS devices.
 * ideviceprovision - Manage provisioning profiles on a device.
 * idle - make process 0 idle
 * ifnames - Extract CPP conditionals from a set of files
 * ilbmtoppm - convert an ILBM file into a portable pixmap
 * img2txt - convert images to various text-based coloured files
 * imgtoppm - convert an Img-whatnot file into a portable pixmap
 * import - saves any visible window on an X server and outputs it as an image...
 * import-im6 - saves any visible window on an X server and outputs it as an image...
 * import-im6.q16 - saves any visible window on an X server and outputs it as an image...
 * info - readable online documentation
 * init-d-script - interpreter for short and simple init.d scripts
 * init_module - load a kernel module
 * initgroups - initialize the supplementary group access list
 * initramfs.conf - configuration file for mkinitramfs
 * innetgr - handle network group entries
 * inode - file inode information
 * inotify - monitoring filesystem events
 * inplace (3am) - emulate sed/perl/ruby in-place editing
 * insmod - Simple program to insert a module into the Linux Kernel
 * install - copy files and set attributes
 * instmodsh - A shell to examine installed modules
 * integritysetup - manage dm-integrity (block level integrity) volumes
 * interdiff - show differences between two diff files
 * intro - introduction to special files
 * intro - introduction to file formats and filesystems
 * intro - introduction to administration and privileged commands
 * invoke-rc.d - executes System-V style init script actions
 * inxi - Command line system information script for console and IRC
 * IO::Async::Socket (3pm)- event callbacks and send buffering for a socket filehandle
 * IO::Async::Stream (3pm)- event callbacks and write bufering for a stream filehandle
 * IO::HTML (3pm) - Open an HTML file with automatic charset detection
 * IO::Socket::SSL::Intercept (3pm)-- SSL interception (man in the middle)
 * IO::String (3pm) - Emulate file interface for in-core strings
 * IO::Tty (3pm) - Low-level allocate a pseudo-Tty, import constants.
 * io_getevents - read asynchronous I/O events from the completion queue
 * ioctl_console - ioctls for console terminal and virtual consoles
 * ioctl_fat - manipulating the FAT filesystem
 * ioctl_ficlone - share some the data of one file with another file
 * ioctl_ficlonerange - share some the data of one file with another file
 * ioctl_fideduperange - share some the data of one file with another file
 * ioctl_getfsmap - retrieve the physical layout of the filesystem
 * ioctl_userfaultfd - create a file descriptor for handling page faults in user space
 * iopl - change I/O privilege level
 * ip - Linux IPv4 protocol implementation
 * ip - show / manipulate routing, network devices, interfaces and tunnels
 * ip-neighbour - neighbour/arp tables management.
 * ip-ntable - neighbour table configuration
 * ip-route - routing table management
 * ip-rule - routing policy database management
 * ip6tables - administration tool for IPv4/IPv6 packet filtering and NAT
 * ip6tables-apply - a safer way to update iptables remotely
 * ip6tables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-legacy-restore - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-legacy-save - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-nft - iptables using nftables kernel api
 * ip6tables-nft-restore - iptables using nftables kernel api
 * ip6tables-nft-save - iptables using nftables kernel api
 * ip6tables-restore - Restore IPv6 Tables
 * ip6tables-restore-translate - translation tool to migrate from iptables to nftables
 * ip6tables-save - dump iptables rules
 * ip6tables-translate - translation tool to migrate from ip6tables to nftables
 * IPC::System::Simple (3pm)- Run commands simply, with detailed diagnostics
 * ipptoolfile - ipptool file format
 * iptables - administration tool for IPv4/IPv6 packet filtering and NAT
 * iptables-apply - a safer way to update iptables remotely
 * iptables-extensions - list of extensions in the standard iptables distribution
 * iptables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-legacy-restore - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-legacy-save - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-nft - iptables using nftables kernel api
 * iptables-nft-restore - iptables using nftables kernel api
 * iptables-nft-save - iptables using nftables kernel api
 * iptables-restore - Restore IP Tables
 * iptables-restore-translate - translation tool to migrate from iptables to nftables
 * iptables-save - dump iptables rules
 * iptables-translate - translation tool to migrate from iptables to nftables
 * iptables-xml - Convert iptables-save format to XML
 * ipv6 - Linux IPv6 protocol implementation
 * isastream - unimplemented system calls
 * isatty - test whether a file descriptor refers to a terminal
 * isfdtype - test file type of a file descriptor
 * isless - floating-point relational tests without exception for NaN
 * islessequal - floating-point relational tests without exception for NaN
 * islessgreater - floating-point relational tests without exception for NaN
 * isosize - output the length of an iso9660 filesystem
 * ispell-autobuildhash - Autobuilding the ispell hash file for some dicts
 * issue - prelogin message and identification file
 * isutf8 - check whether files are valid UTF-8
 * iucode-tool - Tool to manipulate Intel IA-32/X86-64 microcode bundles
 * iucode_tool - Tool to manipulate Intel IA-32/X86-64 microcode bundles
 * iw - show / manipulate wireless devices and their configuration
 * iwconfig - configure a wireless network interface
 * iwevent - Display Wireless Events generated by drivers and setting changes
 * iwgetid - Report ESSID, NWID or AP/Cell Address of wireless network
 * iwlist - Get more detailed wireless information from a wireless interface
 * iwpriv - configure optionals (private) parameters of a wireless network int...
 * iwspy - Get wireless statistics from specific nodes
 * jar - Manipulates Java Archive (JAR) files.
 * jardetector - binfmt helper to check if a zip/jar file contains a MANIFEST.
 * jarsigner - Signs and verifies Java Archive (JAR) files.
 * jarwrapper - wrapper script to run jar files via binfmt.
 * javac - Reads Java class and interface definitions and compiles them into ...
 * javadoc - Generates HTML pages of API documentation from Java source files.
 * javap - Disassembles one or more class files.
 * jconsole - Starts a graphical console that lets you monitor and manage Java a...
 * jfs_debugfs - shell-type JFS file system editor
 * jfs_fscklog - extract a JFS fsck service log into a file and/or format and displ...
 * jfs_tune - adjust tunable file system parameters on JFS
 * jmap - Prints shared object memory maps or heap memory details for a proc...
 * jmtpfs - FUSE based filesystem for accessing MTP devices
 * join - join lines of two files on a common field
 * journald.conf - Journal service configuration files
 * journald.conf.d - Journal service configuration files
 * journald@.conf - Journal service configuration files
 * jpegtopnm - convert JPEG/JFIF file to portable pixmap or graymap
 * jpegtran - lossless transformation of JPEG files
 * jpgicc - little cms ICC profile applier for JPEG.
 * jstack - Prints Java thread stack traces for a Java process, core file, or ...
 * jstatd - Monitors Java Virtual Machines (JVMs) and enables remote monitorin...
 * kbdinfo - obtain information about the status of a console
 * kbuildsycoca5 - Rebuilds the KService desktop file system configuration cache.
 * kerneloops - program to collect and submit kernel oopses to oops.kernel.org
 * kexec_file_load - load a new kernel for later execution
 * kexec_load - load a new kernel for later execution
 * key.dns_resolver - upcall for request-key to handle dns_resolver keys
 * keyboard - keyboard configuration file
 * keyctl - manipulate the kernel's key management facility
 * keymaps - keyboard table descriptions for loadkeys and dumpkeys
 * klogctl - read and/or clear kernel message ring buffer; set console_loglevel
 * kmod - Program to manage Linux Kernel modules
 * kmodsign - Kernel module signing tool
 * kpartx - Create device maps from partition tables.
 * lame - create mp3 audio files
 * laptop-detect - attempt to detect a laptop
 * lavadecode - Decode a LAVAFLOW stream into human readable form.
 * lcf - Determine which of the historical versions of a config is installed
 * lchown - change ownership of a file
 * lchown32 - change ownership of a file
 * lckpwdf - get shadow password file entry
 * ldap.conf - LDAP configuration file/environment variables
 * ldconfig - configure dynamic linker run-time bindings
 * le16toh - convert values between host and big-/little-endian byte order
 * le32toh - convert values between host and big-/little-endian byte order
 * le64toh - convert values between host and big-/little-endian byte order
 * leaftoppm - convert Interleaf image format to a portable anymap
 * lefty - A Programmable Graphics Editor
 * less - opposite of more
 * lessecho - expand metacharacters
 * lessfile - "input preprocessor" for less.
 * lesskey - specify key bindings for less
 * lesspipe - "input preprocessor" for less.
 * lex - the fast lexical analyser generator
 * lexgrog - parse header information in man pages
 * libaudit.conf - libaudit configuration file
 * libmaxminddb - a library for working with MaxMind DB files
 * libOpenCL - OCL-ICD implementation of OpenCL ICD loader
 * libOpenCL.so - OCL-ICD implementation of OpenCL ICD loader
 * libwacom-list-local-devices - utility to list tablet devices
 * limits.conf - configuration file for the pam_limits module
 * link - call the link function to create a link to a file
 * link - make a new name for a file
 * linkat - make a new name for a file
 * linkicc - little cms device link generator.
 * lintian-info - give detailed information about Lintian's error tags
 * Lintian::Architecture -- Lintian API for handling architectures and wildcards
 * Lintian::Command::Simple - Run commands without pipes
 * Lintian::File::Path - Lintian representation of a path entry in a package
 * Lintian::Index - access to collected data about the upstream (orig) sources
 * Lintian::Index::Control -- An index of a control file set
 * Lintian::Index::FileInfo - determine file type via magic.
 * Lintian::Index::Installed -- An index of an installed file set
 * Lintian::Index::Md5sums - calculate checksums for index.
 * Lintian::Index::Orig -- An index of an upstream (orig) file set
 * Lintian::Index::Patched -- An index of a patched file set
 * Lintian::Index::Strings - strings in binary files.
 * Lintian::Maintainer -- Lintian checks shared between multiple scripts
 * Lintian::Pool -- Pool of processables
 * Lintian::Processable -- An (abstract) object that Lintian can process
 * Lintian::Processable::Binary -- A deb installation package Lintian can process
 * Lintian::Processable::Binary::Changelog - collect changelog information
 * Lintian::Processable::Binary::Class - Lintian interface to binary package data collec...
 * Lintian::Processable::Binary::Copyright - collect copyright information
 * Lintian::Processable::Binary::Relation - Lintian interface to binary package data col...
 * Lintian::Processable::Buildinfo -- A buildinfo file Lintian can process
 * Lintian::Processable::Changelog - access to collected changelog data
 * Lintian::Processable::Changelog::Version - Lintian interface to source package data c...
 * Lintian::Processable::Changes -- A changes file Lintian can process
 * Lintian::Processable::Control - access to collected control file data
 * Lintian::Processable::Control::Conffiles - access to collected control data for conff...
 * Lintian::Processable::Diffstat - access to collected diffstat data
 * Lintian::Processable::Fields::Files - Lintian interface to .buildinfo or changes file...
 * Lintian::Processable::Hardening - access to collected hardening data
 * Lintian::Processable::Installable - Lintian interface to binary package data collection
 * Lintian::Processable::Installed - access to collected data about the upstream (orig) ...
 * Lintian::Processable::IsNonFree - Lintian interface to source package data collection
 * Lintian::Processable::Objdump - access to collected binary object data
 * Lintian::Processable::Orig - access to collected data about the upstream (orig) sources
 * Lintian::Processable::Overrides - access to override data
 * Lintian::Processable::Patched - access to sources with Debian patches applied
 * Lintian::Processable::Source -- A dsc source package Lintian can process
 * Lintian::Processable::Source::Diffstat - collect diffstat information
 * Lintian::Processable::Source::Fields - Lintian interface to source package data colle...
 * Lintian::Processable::Source::Format - Lintian interface to source format
 * Lintian::Processable::Source::Relation - Lintian interface to source package data col...
 * Lintian::Processable::Source::Repacked - Lintian interface to source package data col...
 * Lintian::Processable::Udeb -- A udeb installation package Lintian can process
 * Lintian::Profile - Profile parser for Lintian
 * Lintian::Reporting::ResourceManager -- A simple resource manager for html_reports
 * Lintian::Spelling -- Lintian spell checks shared between multiple scripts
 * Linux::Epoll (3pm) - O multiplexing for Linux
 * lispmtopgm - convert a Lisp Machine bitmap file into pgm format
 * List::Compare (3pm) - Compare elements of two or more lists
 * List::Compare::Functional (3pm)- Compare elements of two or more lists
 * List::MoreUtils::PP (3pm)- Provide List::MoreUtils pure Perl implementation
 * List::MoreUtils::XS (3pm)- Provide compiled List::MoreUtils functions
 * LIST_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail qu...
 * LIST_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queues...
 * LIST_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail queue...
 * LIST_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * llseek - reposition read/write file offset
 * lmhosts - The Samba NetBIOS hosts file
 * ln - make links between files
 * lneato - A Customizable Graph Editor
 * loader.conf - Configuration file for systemd-boot
 * loadkeys - load keyboard translation tables
 * loadunimap - load the kernel unicode-to-font mapping table
 * locale - get locale-specific information
 * locale - describes a locale definition file
 * locale - description of multilanguage support
 * locale-gen - generates localisation files from templates
 * locale.conf - Configuration file for locale settings
 * locale.gen - Configuration file for locale-gen
 * Locale::gettext (3pm)- message handling functions
 * Locale::gettext_dumb (3pm)- Locale unaware Implementation of Uniforum Message Translation
 * Locale::gettext_pp (3pm)- Pure Perl Implementation of Uniforum Message Translation
 * Locale::gettext_xs (3pm)- XS Implementation of Uniforum Message Translation
 * Locale::libintlFAQ (3pm)- Frequently asked questions for libintl-perl
 * Locale::Messages (3pm)- Gettext Like Message Retrieval
 * Locale::Recode (3pm)- Object-Oriented Portable Charset Conversion
 * Locale::Recode::_Aliases (3pm)- Internal Charset Alias Database for libintl-perl
 * Locale::Recode::_Conversions (3pm)- Internal Table of Known Conversions
 * Locale::RecodeData (3pm)- Abstract Base Class for Charset Converters
 * Locale::RecodeData::_Encode (3pm)- Internal wrapper around Encode
 * Locale::RecodeData::ASMO_449 (3pm)- Conversion routines for ASMO_449
 * Locale::RecodeData::ATARI_ST (3pm)- Conversion routines for ATARI-ST
 * Locale::RecodeData::ATARI_ST_EURO (3pm)- Conversion routines for ATARI-ST-EURO
 * Locale::RecodeData::CP10007 (3pm)- Conversion routines for CP10007
 * Locale::RecodeData::CP1250 (3pm)- Conversion routines for CP1250
 * Locale::RecodeData::CP1251 (3pm)- Conversion routines for CP1251
 * Locale::RecodeData::CP1252 (3pm)- Conversion routines for CP1252
 * Locale::RecodeData::CP1253 (3pm)- Conversion routines for CP1253
 * Locale::RecodeData::CP1254 (3pm)- Conversion routines for CP1254
 * Locale::RecodeData::CP1256 (3pm)- Conversion routines for CP1256
 * Locale::RecodeData::CP1257 (3pm)- Conversion routines for CP1257
 * Locale::RecodeData::CSN_369103 (3pm)- Conversion routines for CSN_369103
 * Locale::RecodeData::CWI (3pm)- Conversion routines for CWI
 * Locale::RecodeData::DEC_MCS (3pm)- Conversion routines for DEC_MCS
 * Locale::RecodeData::EBCDIC_AT_DE (3pm)- Conversion routines for EBCDIC_AT_DE
 * Locale::RecodeData::EBCDIC_AT_DE_A (3pm)- Conversion routines for EBCDIC_AT_DE_A
 * Locale::RecodeData::EBCDIC_CA_FR (3pm)- Conversion routines for EBCDIC_CA_FR
 * Locale::RecodeData::EBCDIC_DK_NO (3pm)- Conversion routines for EBCDIC_DK_NO
 * Locale::RecodeData::EBCDIC_DK_NO_A (3pm)- Conversion routines for EBCDIC_DK_NO_A
 * Locale::RecodeData::EBCDIC_ES (3pm)- Conversion routines for EBCDIC_ES
 * Locale::RecodeData::EBCDIC_ES_A (3pm)- Conversion routines for EBCDIC_ES_A
 * Locale::RecodeData::EBCDIC_ES_S (3pm)- Conversion routines for EBCDIC_ES_S
 * Locale::RecodeData::EBCDIC_FI_SE (3pm)- Conversion routines for EBCDIC_FI_SE
 * Locale::RecodeData::EBCDIC_FI_SE_A (3pm)- Conversion routines for EBCDIC_FI_SE_A
 * Locale::RecodeData::EBCDIC_FR (3pm)- Conversion routines for EBCDIC_FR
 * Locale::RecodeData::EBCDIC_IS_FRISS (3pm)- Conversion routines for EBCDIC_IS_FRISS
 * Locale::RecodeData::EBCDIC_IT (3pm)- Conversion routines for EBCDIC_IT
 * Locale::RecodeData::EBCDIC_PT (3pm)- Conversion routines for EBCDIC_PT
 * Locale::RecodeData::EBCDIC_UK (3pm)- Conversion routines for EBCDIC_UK
 * Locale::RecodeData::EBCDIC_US (3pm)- Conversion routines for EBCDIC_US
 * Locale::RecodeData::ECMA_CYRILLIC (3pm)- Conversion routines for ECMA_CYRILLIC
 * Locale::RecodeData::GEORGIAN_ACADEMY (3pm)- Conversion routines for GEORGIAN-ACADEMY
 * Locale::RecodeData::GEORGIAN_PS (3pm)- Conversion routines for GEORGIAN-PS
 * Locale::RecodeData::GOST_19768_74 (3pm)- Conversion routines for GOST_19768_74
 * Locale::RecodeData::GREEK7 (3pm)- Conversion routines for GREEK7
 * Locale::RecodeData::GREEK7_OLD (3pm)- Conversion routines for GREEK7_OLD
 * Locale::RecodeData::GREEK_CCITT (3pm)- Conversion routines for GREEK_CCITT
 * Locale::RecodeData::HP_ROMAN8 (3pm)- Conversion routines for HP_ROMAN8
 * Locale::RecodeData::IBM037 (3pm)- Conversion routines for IBM037
 * Locale::RecodeData::IBM038 (3pm)- Conversion routines for IBM038
 * Locale::RecodeData::IBM1004 (3pm)- Conversion routines for IBM1004
 * Locale::RecodeData::IBM1026 (3pm)- Conversion routines for IBM1026
 * Locale::RecodeData::IBM1047 (3pm)- Conversion routines for IBM1047
 * Locale::RecodeData::IBM256 (3pm)- Conversion routines for IBM256
 * Locale::RecodeData::IBM273 (3pm)- Conversion routines for IBM273
 * Locale::RecodeData::IBM274 (3pm)- Conversion routines for IBM274
 * Locale::RecodeData::IBM275 (3pm)- Conversion routines for IBM275
 * Locale::RecodeData::IBM277 (3pm)- Conversion routines for IBM277
 * Locale::RecodeData::IBM278 (3pm)- Conversion routines for IBM278
 * Locale::RecodeData::IBM280 (3pm)- Conversion routines for IBM280
 * Locale::RecodeData::IBM281 (3pm)- Conversion routines for IBM281
 * Locale::RecodeData::IBM284 (3pm)- Conversion routines for IBM284
 * Locale::RecodeData::IBM285 (3pm)- Conversion routines for IBM285
 * Locale::RecodeData::IBM290 (3pm)- Conversion routines for IBM290
 * Locale::RecodeData::IBM297 (3pm)- Conversion routines for IBM297
 * Locale::RecodeData::IBM420 (3pm)- Conversion routines for IBM420
 * Locale::RecodeData::IBM423 (3pm)- Conversion routines for IBM423
 * Locale::RecodeData::IBM424 (3pm)- Conversion routines for IBM424
 * Locale::RecodeData::IBM437 (3pm)- Conversion routines for IBM437
 * Locale::RecodeData::IBM500 (3pm)- Conversion routines for IBM500
 * Locale::RecodeData::IBM850 (3pm)- Conversion routines for IBM850
 * Locale::RecodeData::IBM851 (3pm)- Conversion routines for IBM851
 * Locale::RecodeData::IBM852 (3pm)- Conversion routines for IBM852
 * Locale::RecodeData::IBM855 (3pm)- Conversion routines for IBM855
 * Locale::RecodeData::IBM857 (3pm)- Conversion routines for IBM857
 * Locale::RecodeData::IBM860 (3pm)- Conversion routines for IBM860
 * Locale::RecodeData::IBM861 (3pm)- Conversion routines for IBM861
 * Locale::RecodeData::IBM862 (3pm)- Conversion routines for IBM862
 * Locale::RecodeData::IBM863 (3pm)- Conversion routines for IBM863
 * Locale::RecodeData::IBM864 (3pm)- Conversion routines for IBM864
 * Locale::RecodeData::IBM865 (3pm)- Conversion routines for IBM865
 * Locale::RecodeData::IBM866 (3pm)- Conversion routines for IBM866
 * Locale::RecodeData::IBM868 (3pm)- Conversion routines for IBM868
 * Locale::RecodeData::IBM869 (3pm)- Conversion routines for IBM869
 * Locale::RecodeData::IBM870 (3pm)- Conversion routines for IBM870
 * Locale::RecodeData::IBM871 (3pm)- Conversion routines for IBM871
 * Locale::RecodeData::IBM874 (3pm)- Conversion routines for IBM874
 * Locale::RecodeData::IBM875 (3pm)- Conversion routines for IBM875
 * Locale::RecodeData::IBM880 (3pm)- Conversion routines for IBM880
 * Locale::RecodeData::IBM891 (3pm)- Conversion routines for IBM891
 * Locale::RecodeData::IBM903 (3pm)- Conversion routines for IBM903
 * Locale::RecodeData::IBM904 (3pm)- Conversion routines for IBM904
 * Locale::RecodeData::IBM905 (3pm)- Conversion routines for IBM905
 * Locale::RecodeData::IBM918 (3pm)- Conversion routines for IBM918
 * Locale::RecodeData::IEC_P27_1 (3pm)- Conversion routines for IEC_P27_1
 * Locale::RecodeData::INIS (3pm)- Conversion routines for INIS
 * Locale::RecodeData::INIS_8 (3pm)- Conversion routines for INIS_8
 * Locale::RecodeData::INIS_CYRILLIC (3pm)- Conversion routines for INIS_CYRILLIC
 * Locale::RecodeData::ISO_10367_BOX (3pm)- Conversion routines for ISO_10367_BOX
 * Locale::RecodeData::ISO_2033_1983 (3pm)- Conversion routines for ISO_2033_1983
 * Locale::RecodeData::ISO_5427 (3pm)- Conversion routines for ISO_5427
 * Locale::RecodeData::ISO_5427_EXT (3pm)- Conversion routines for ISO_5427_EXT
 * Locale::RecodeData::ISO_5428 (3pm)- Conversion routines for ISO_5428
 * Locale::RecodeData::ISO_8859_1 (3pm)- Conversion routines for ISO-8859-1
 * Locale::RecodeData::ISO_8859_10 (3pm)- Conversion routines for ISO-8859-10
 * Locale::RecodeData::ISO_8859_11 (3pm)- Conversion routines for ISO-8859-11
 * Locale::RecodeData::ISO_8859_13 (3pm)- Conversion routines for ISO-8859-13
 * Locale::RecodeData::ISO_8859_14 (3pm)- Conversion routines for ISO-8859-14
 * Locale::RecodeData::ISO_8859_15 (3pm)- Conversion routines for ISO-8859-15
 * Locale::RecodeData::ISO_8859_16 (3pm)- Conversion routines for ISO-8859-16
 * Locale::RecodeData::ISO_8859_2 (3pm)- Conversion routines for ISO-8859-2
 * Locale::RecodeData::ISO_8859_3 (3pm)- Conversion routines for ISO-8859-3
 * Locale::RecodeData::ISO_8859_4 (3pm)- Conversion routines for ISO-8859-4
 * Locale::RecodeData::ISO_8859_5 (3pm)- Conversion routines for ISO-8859-5
 * Locale::RecodeData::ISO_8859_6 (3pm)- Conversion routines for ISO-8859-6
 * Locale::RecodeData::ISO_8859_7 (3pm)- Conversion routines for ISO-8859-7
 * Locale::RecodeData::ISO_8859_8 (3pm)- Conversion routines for ISO-8859-8
 * Locale::RecodeData::ISO_8859_9 (3pm)- Conversion routines for ISO-8859-9
 * Locale::RecodeData::KOI8_R (3pm)- Conversion routines for KOI8-R
 * Locale::RecodeData::KOI8_RU (3pm)- Conversion routines for KOI8-RU
 * Locale::RecodeData::KOI8_T (3pm)- Conversion routines for KOI8-T
 * Locale::RecodeData::KOI8_U (3pm)- Conversion routines for KOI8-U
 * Locale::RecodeData::KOI_8 (3pm)- Conversion routines for KOI-8
 * Locale::RecodeData::LATIN_GREEK (3pm)- Conversion routines for LATIN_GREEK
 * Locale::RecodeData::LATIN_GREEK_1 (3pm)- Conversion routines for LATIN_GREEK_1
 * Locale::RecodeData::MAC_IS (3pm)- Conversion routines for MAC-IS
 * Locale::RecodeData::MAC_SAMI (3pm)- Conversion routines for MAC-SAMI
 * Locale::RecodeData::MAC_UK (3pm)- Conversion routines for MAC-UK
 * Locale::RecodeData::MACARABIC (3pm)- Conversion routines for MACARABIC
 * Locale::RecodeData::MACCROATIAN (3pm)- Conversion routines for MACCROATIAN
 * Locale::RecodeData::MACCYRILLIC (3pm)- Conversion routines for MACCYRILLIC
 * Locale::RecodeData::MACGREEK (3pm)- Conversion routines for MACGREEK
 * Locale::RecodeData::MACHEBREW (3pm)- Conversion routines for MACHEBREW
 * Locale::RecodeData::MACICELAND (3pm)- Conversion routines for MACICELAND
 * Locale::RecodeData::MACINTOSH (3pm)- Conversion routines for MACINTOSH
 * Locale::RecodeData::MACROMANIA (3pm)- Conversion routines for MACROMANIA
 * Locale::RecodeData::MACTHAI (3pm)- Conversion routines for MACTHAI
 * Locale::RecodeData::MACTURKISH (3pm)- Conversion routines for MACTURKISH
 * Locale::RecodeData::MACUKRAINE (3pm)- Conversion routines for MACUKRAINE
 * Locale::RecodeData::NATS_DANO (3pm)- Conversion routines for NATS_DANO
 * Locale::RecodeData::NATS_SEFI (3pm)- Conversion routines for NATS_SEFI
 * Locale::RecodeData::NEXTSTEP (3pm)- Conversion routines for NEXTSTEP
 * Locale::RecodeData::SAMI_WS2 (3pm)- Conversion routines for SAMI_WS2
 * Locale::RecodeData::TIS_620 (3pm)- Conversion routines for TIS-620
 * Locale::RecodeData::US_ASCII (3pm)- Conversion routines for US-ASCII
 * Locale::RecodeData::UTF_8 (3pm)- Conversion routines for UTF-8
 * Locale::RecodeData::VISCII (3pm)- Conversion routines for VISCII
 * Locale::TextDomain (3pm)- Perl Interface to Uniforum Message Translation
 * Locale::Util (3pm) - Portable l10n and i10n functions
 * localeconv - get numeric formatting information
 * localectl - Control the system locale and keyboard layout settings
 * localedef - compile locale definition files
 * localtime - Local timezone configuration file
 * locate - find files by name
 * lock - unimplemented system calls
 * lockf - apply, test or remove a POSIX lock on an open file
 * lofromtemplate - LibreOffice office suite
 * logind.conf - Login manager configuration files
 * logind.conf.d - Login manager configuration files
 * logresolve - Resolve IP-addresses to hostnames in Apache log files
 * logsave - save the output of a command in a logfile
 * logwtmp - append an entry to the wtmp file
 * lorder - list dependencies for object files
 * lp - print files
 * lpinfo - show available devices or drivers (deprecated)
 * lpr - print files
 * lsattr - list file attributes on a Linux second extended file system
 * lsb_release - print distribution-specific information
 * lsdiff - show which files are modified by a patch
 * lseek - reposition read/write file offset
 * lseek64 - reposition 64-bit read/write file offset
 * lsmem - list the ranges of available memory with their online status
 * lsmod - Show the status of modules in the Linux Kernel
 * lstat - get file status
 * lstat64 - get file status
 * ltrace.conf - Configuration file for ltrace.
 * luit - Locale and ISO 2022 support for Unicode terminals
 * lutimes - change file timestamps
 * lvm-config - Display and manipulate configuration information
 * lvm-dumpconfig - Display and manipulate configuration information
 * lvm.conf - Configuration file for LVM2
 * lvmconfig - Display and manipulate configuration information
 * lvmreport - LVM reporting and related features
 * lvmsadc - LVM system activity data collector
 * lwp-download (1p) - Fetch large files from the web
 * lwp-mirror (1p) - Simple mirror utility
 * lwp-request (1p) - Simple command line user agent
 * LWP::MediaTypes (3pm)- guess media type for a file or a URL
 * LWP::Simple (3pm) - simple procedural interface to LWP
 * lz4 - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * lz4c - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * lz4cat - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * lzcat - Compress or decompress .xz and .lzma files
 * lzcmp - compare compressed files
 * lzdiff - compare compressed files
 * lzegrep - search compressed files for a regular expression
 * lzfgrep - search compressed files for a regular expression
 * lzgrep - search compressed files for a regular expression
 * lzless - view xz or lzma compressed (text) files
 * lzma - Compress or decompress .xz and .lzma files
 * lzmainfo - show information stored in the .lzma file header
 * lzmore - view xz or lzma compressed (text) files
 * machine-id - Local machine ID configuration file
 * machine-info - Local machine information file
 * macptopbm - convert a MacPaint file into a portable bitmap
 * madvise1 - unimplemented system calls
 * magic - file command's magic pattern file
 * Mail::Cap (3pm) - understand mailcap files
 * Mail::Field::Generic (3pm)- implementation for inspecific fields
 * Mail::Filter (3pm) - filter mail through multiple subroutines
 * Mail::Header (3pm) - manipulate MIME headers
 * Mail::Internet (3pm)- manipulate email messages
 * Mail::Mailer (3pm) - send simple emails
 * Mail::Send (3pm) - Simple electronic mail interface
 * Mail::Sendmail (3pm)- Simple platform independent mailer
 * mailcap - metamail capabilities file
 * mailto.conf - configuration file for cups email notifier
 * MailTools (3pm) - bundle of ancient email modules
 * makecontext - manipulate user context
 * makedefs - Postfix makefile configuration utility
 * mako-render - renders Mako templates
 * malloc_get_state - record and restore state of malloc implementation
 * malloc_hook - malloc debugging variables
 * malloc_set_state - record and restore state of malloc implementation
 * malloc_trim - release free memory from the heap
 * malloc_usable_size - obtain size of block of memory allocated from heap
 * manpath - format of the /etc/manpath.config file
 * mapscrn - load screen output mapping table
 * master - Postfix master process configuration file format
 * mate-about - Learn more about MATE
 * mate-color-select - Select a color from a palette or from screen
 * mate-desktop-item-edit - A small tool to edit .desktop files.
 * mate-panel-test-applets - display and test installed applets
 * mate-polkit - MATE PolicyKit-1 executable wrapper
 * mattrib - change MSDOS file attribute flags
 * MB_CUR_MAX - maximum length of a multibyte character in the current locale
 * MB_LEN_MAX - maximum multibyte length of a character across all locales
 * mblen - determine number of bytes in next multibyte character
 * mbrlen - determine number of bytes in next multibyte character
 * mcedit - Internal file editor of GNU Midnight Commander.
 * mcheck - verify all files on an MS-DOS formatted disk
 * mcomp - Compares two files using mtools
 * mcopy - copy MSDOS files to/from Unix
 * mcview - Internal file viewer of GNU Midnight Commander.
 * mdatopbm - convert a Microdesign .mda or .mdp file into a portable bitmap
 * mdel - delete an MSDOS file
 * mdeltree - recursively delete an MSDOS directory and its contents
 * memcache_table - Postfix memcache client configuration
 * memdiskfind - Simple utility to find a resident memdisk instance.
 * memfd_create - create an anonymous file
 * memusage - profile memory usage of a program
 * mformat - add an MSDOS filesystem to a low-level formatted floppy disk
 * mgrtopbm - convert a MGR bitmap into a portable bitmap
 * mib2c.conf - How to write mib2c.conf files to do ANYTHING based on MIB input.
 * mii-tool - view, manipulate media-independent interface status
 * mime.convs - mime type conversion file for cups (deprecated)
 * mime.types - mime type description file for cups
 * mimeopen (1p) - Open files by mimetype
 * mimetype (1p) - Determine file type
 * minfo - print the parameters of a MSDOS filesystem
 * mingle - fast edge bundling
 * mint-release-upgrade - Linux Mint point release installer
 * mintstick - gui only application to write .img and .iso files to USB keys
 * mk_modmap - translate a Linux keytable file into an xmodmap file
 * mkdosfs - create an MS-DOS filesystem under Linux
 * mke2fs - create an ext2/ext3/ext4 filesystem
 * mke2fs.conf - Configuration file for mke2fs
 * mkexfatfs - create an exFAT file system
 * mkfatimage16 - generate a virtual drive image suitable for DOSEMU
 * mkfifo - make a FIFO special file (a named pipe)
 * mkfifoat - make a FIFO special file (a named pipe)
 * mkfontdir - create an index of X font files in a directory
 * mkfontscale - create an index of scalable font files for X
 * mkfs - build a Linux filesystem
 * mkfs.bfs - make an SCO bfs filesystem
 * mkfs.btrfs - create a btrfs filesystem
 * mkfs.cramfs - make compressed ROM file system
 * mkfs.exfat - create an exFAT file system
 * mkfs.ext2 - create an ext2/ext3/ext4 filesystem
 * mkfs.ext3 - create an ext2/ext3/ext4 filesystem
 * mkfs.ext4 - create an ext2/ext3/ext4 filesystem
 * mkfs.fat - create an MS-DOS filesystem under Linux
 * mkfs.hfs - construct a new HFS Plus file system
 * mkfs.hfsplus - construct a new HFS Plus file system
 * mkfs.minix - make a Minix filesystem
 * mkfs.msdos - create an MS-DOS filesystem under Linux
 * mkfs.ntfs - create an NTFS file system
 * mkfs.reiserfs - The create tool for the Linux ReiserFS filesystem.
 * mkfs.vfat - create an MS-DOS filesystem under Linux
 * mkfs.xfs - construct an XFS filesystem
 * mkinitramfs - low-level tool for generating an initramfs image
 * mkisofs - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * mklost+found - create a lost+found directory on a mounted Linux second extended f...
 * mkmanifest - makes list of file names and their DOS 8+3 equivalent
 * mknod - make block or character special files
 * mknod - create a special or ordinary file
 * mknodat - create a special or ordinary file
 * mkntfs - create an NTFS file system
 * mkostemp - create a unique temporary file
 * mkostemps - create a unique temporary file
 * mkreiserfs - The create tool for the Linux ReiserFS filesystem.
 * mksquashfs - tool to create and append to squashfs filesystems
 * mkstemp - create a unique temporary file
 * mkstemps - create a unique temporary file
 * mktemp - create a temporary file or directory
 * mktemp - make a unique temporary filename
 * mkzftree - Create a zisofs/RockRidge compressed file tree
 * mlocate - find files by name
 * mmap - map or unmap files or devices into memory
 * mmap2 - map files or devices into memory
 * mmap64 - map or unmap files or devices into memory
 * mmove - move or rename an MSDOS file or subdirectory
 * ModemManager - mobile broadband modem management daemon
 * modinfo - Show information about a Linux Kernel module
 * modprobe - Add and remove modules from the Linux Kernel
 * Module::Implementation (3pm)- Loads one of several alternate underlying implementations ...
 * Module::Runtime (3pm)- runtime module handling
 * modules-load.d - Configure kernel modules to load at boot
 * modules.dep - Module dependency information
 * modules.dep.bin - Module dependency information
 * mogrify - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mogrify-im6 - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mogrify-im6.q16 - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * Mojo::Asset::File (3pm)- File storage for HTTP content
 * Mojo::Collection (3pm)- Collection
 * Mojo::Content::Single (3pm)- HTTP content
 * Mojo::DOM (3pm) - Minimalistic HTML/XML DOM parser with CSS selectors
 * Mojo::DOM::CSS (3pm)- CSS selector engine
 * Mojo::File (3pm) - File system paths
 * Mojo::Log (3pm) - Simple logger
 * Mojo::Reactor (3pm) - Low-level event reactor base class
 * Mojo::Reactor::EV (3pm)- Low-level event reactor with libev support
 * Mojo::Reactor::Poll (3pm)- Low-level event reactor with poll support
 * Mojo::Template (3pm)- Perl-ish templates
 * Mojo::Util (3pm) - Portable utility functions
 * Mojolicious::Command::Author::generate::mak... (3pm)- Makefile generator command
 * Mojolicious::Command::Author::inflate (3pm)- Inflate command
 * Mojolicious::Controller (3pm)- Controller base class
 * Mojolicious::Static (3pm)- Serve static files
 * mono-config - Mono runtime file format configuration
 * montage - create a composite image by combining several separate images. The...
 * montage-im6 - create a composite image by combining several separate images. The...
 * montage-im6.q16 - create a composite image by combining several separate images. The...
 * Moo::Role (3pm) - Minimal Object Orientation support for Roles
 * more - file perusal filter for crt viewing
 * mount - mount filesystem
 * mount - mount a filesystem
 * mount.cifs - mount using the Common Internet File System (CIFS)
 * mount.exfat - mount an exFAT file system
 * mount.exfat-fuse - mount an exFAT file system
 * mount.fuse - format and options for the fuse file systems
 * mountpoint - see if a directory or file is a mountpoint
 * mpx - unimplemented system calls
 * mq_notify - register for notification when a message is available
 * mq_notify - register for notification when a message is available
 * mren - rename an existing MSDOS file
 * msgcmp - compare message catalog and template
 * msgfmt - compile message catalog to binary format
 * msgmerge - merge message catalog and template
 * msgunfmt - uncompile message catalog from binary format
 * mshortname - shows short name of a file
 * mshowfat - shows FAT clusters allocated to file
 * msiexec - Wine MSI Installer
 * msiexec-stable - Wine MSI Installer
 * msync - synchronize a file with a memory map
 * mtools - mtools configuration files
 * mtools.conf - mtools configuration files
 * mtp-delfile - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-files - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-filetree - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-getfile - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-sendfile - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtvtoppm - convert output from the MTV or PRT ray tracers into a portable pixmap
 * mtype - display contents of an MSDOS file
 * munmap - map or unmap files or devices into memory
 * mv - move (rename) files
 * mysqlanalyze - a table maintenance program
 * mysqlcheck - a table maintenance program
 * mysqldumpslow - Summarize slow query log files
 * mysqloptimize - a table maintenance program
 * mysqlrepair - a table maintenance program
 * mysqlshow - display database, table, and column information
 * name_to_handle_at - obtain handle for a pathname and open file via a handle
 * namespace.conf - the namespace configuration file
 * namespace::clean (3pm)- Keep imports and functions out of your namespace
 * nanorc - GNU nano's configuration file
 * nanosleep - high-resolution sleep
 * ncal - displays a calendar and the date of Easter
 * nemo - the Cinnamon File Manager
 * neofetch - A fast, highly customizable system info script
 * neotoppm - convert an Atari Neochrome .neo into a portable pixmap
 * Net::DBus::ASyncReply (3pm)- asynchronous method reply handler
 * Net::DBus::Binding::Bus (3pm)- Handle to a well-known message bus instance
 * Net::DBus::Binding::Introspector (3pm)- Handler for object introspection data
 * Net::DBus::Binding::PendingCall (3pm)- A handler for pending method replies
 * Net::DBus::Dumper (3pm)- Stringify Net::DBus objects suitable for printing
 * Net::DBus::Object (3pm)- Implement objects to export to the bus
 * Net::DBus::ProxyObject (3pm)- Implement objects to export to the bus
 * Net::DNS::ZoneFile (3pm)- DNS zone file
 * Net::HTTP (3pm) - Low-level HTTP connection (client)
 * Net::HTTPS (3pm) - Low-level HTTP over SSL/TLS connection (client)
 * Net::SSLeay (3pm) - Perl extension for using OpenSSL
 * Net::SSLeay::Handle (3pm)- Perl module that lets SSL (HTTPS) sockets be handled as stand...
 * netdevice - low-level access to Linux network devices
 * netkit-ftp - Internet file transfer program
 * netplan-apply - apply configuration from netplan YAML files to a running system
 * netplan-generate - generate backend configuration from netplan YAML files
 * netstat - Print network connections, routing tables, interface statistics, m...
 * networkd.conf - Global Network configuration files
 * networkd.conf.d - Global Network configuration files
 * NetworkManager.conf - NetworkManager configuration file
 * newfstatat - get file status
 * newlocale - create, modify, and free a locale object
 * nftw - file tree walk
 * ngettext - translate message and choose plural form
 * ngettext - translate message and choose plural form
 * nisplus_table - Postfix NIS+ client
 * nl - number lines of files
 * nl_langinfo - query language and locale information
 * nl_langinfo_l - query language and locale information
 * nm - list symbols from object files
 * nm-applet - network monitor and control GUI applet
 * nm-settings - Description of settings and properties of NetworkManager connectio...
 * nm-settings-keyfile - Description of keyfile settings plugin
 * nm-system-settings.conf - NetworkManager configuration file
 * nmcli-examples - usage examples of nmcli
 * nologin - prevent unprivileged users from logging into the system
 * nop - pretty-print graph file
 * nproc - print the number of processing units available
 * nss - Name Service Switch configuration file
 * nsswitch.conf - Name Service Switch configuration file
 * ntfscat - print NTFS files and streams on the standard output
 * ntfscluster - identify files in a specified region of an NTFS volume.
 * ntfscmp - compare two NTFS filesystems and tell the differences
 * ntfscp - copy file to an NTFS volume.
 * ntfsdecrypt - decrypt or update NTFS files encrypted according to EFS
 * ntfsfallocate - preallocate space to a file on an NTFS volume
 * ntfsinfo - dump a file's attributes
 * ntfslabel - display/change the label on an ntfs file system
 * ntfsls - list directory contents on an NTFS filesystem
 * ntfsresize - resize an NTFS filesystem without data loss
 * ntfstruncate - truncate a file on an NTFS volume
 * ntfsundelete - recover a deleted file from an NTFS volume.
 * ntfsusermap - NTFS Building a User Mapping File
 * numfmt - Convert numbers from/to human-readable strings
 * oakdecode - Decode an OAKT printer stream into human readable form.
 * obexctl - A command-line interface of BlueZ for OBEX (file transfer)
 * objcopy - copy and translate object files
 * objdump - display information from object files
 * od - dump files in octal and other formats
 * ogg123 - plays Ogg Vorbis files
 * oggdec - simple decoder, Ogg Vorbis file to PCM audio file (Wave or RAW).
 * ogginfo - gives information about Ogg files, and does extensive validity che...
 * oldfstat - get file status
 * oldlstat - get file status
 * oldstat - get file status
 * on_exit - register a function to be called at normal process termination
 * open - open and possibly create a file
 * open_by_handle_at - obtain handle for a pathname and open file via a handle
 * openat - open and possibly create a file
 * openssl-c_rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-ca (1ssl) - sample minimal CA application
 * openssl-pkcs12 (1ssl)- PKCS#12 file utility
 * openssl-rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-srp (1ssl) - maintain SRP password file
 * opldecode - Decode a Raster Object (opl) stream into human readable form.
 * optipng - Optimize Portable Network Graphics files
 * orca - a scriptable screen reader
 * os-release - Operating system identification
 * ossl_store-file (7ssl)- The store 'file' scheme loader
 * p11-kit - Tool for operating on configured PKCS#11 modules
 * p7zip - Wrapper on 7-Zip file archiver with high compression ratio
 * pack200 - Packages a JAR file into a compressed pack200 file for web deploym...
 * Package::Stash::PP (3pm)- pure perl implementation of the Package::Stash API
 * packet - packet interface on device level
 * palmtopnm - convert a Palm pixmap into a portable anymap
 * pam - portable arbitrary map file format
 * pam - Pluggable Authentication Modules for Linux
 * pam-auth-update - manage PAM configuration using packaged profiles
 * pam.conf - PAM configuration files
 * pam.d - PAM configuration files
 * pam_access - PAM module for logdaemon style login access control
 * pam_cap - PAM module to set inheritable capabilities
 * pam_cifscreds - PAM module to manage NTLM credentials in kernel keyring
 * pam_debug - PAM module to debug the PAM stack
 * pam_deny - The locking-out PAM module
 * pam_echo - PAM module for printing text messages
 * pam_ecryptfs - PAM module for eCryptfs
 * pam_env - PAM module to set/unset environment variables
 * pam_env.conf - the environment variables config files
 * pam_exec - PAM module which calls an external command
 * pam_extrausers - Module for libnss-extrausers authentication
 * pam_filter - PAM filter module
 * pam_ftp - PAM module for anonymous access module
 * pam_getenv - get environment variables from /etc/environment
 * pam_group - PAM module for group access
 * pam_issue - PAM module to add issue file to user prompt
 * pam_keyinit - Kernel session keyring initialiser module
 * pam_lastlog - PAM module to display date of last login and perform inactive acco...
 * pam_limits - PAM module to limit resources
 * pam_listfile - deny or allow services based on an arbitrary file
 * pam_mail - Inform about available mail
 * pam_mkhomedir - PAM module to create users home directory
 * pam_motd - Display the motd file
 * pam_namespace - PAM module for configuring namespace for a session
 * pam_permit - The promiscuous module
 * pam_pwhistory - PAM module to remember last passwords
 * pam_rhosts - The rhosts PAM module
 * pam_selinux - PAM module to set the default security context
 * pam_sepermit - PAM module to allow/deny login depending on SELinux enforcement state
 * pam_shells - PAM module to check for valid login shell
 * pam_tally - The login counter (tallying) module
 * pam_tally2 - The login counter (tallying) module
 * pam_time - PAM module for time control access
 * pam_tty_audit - Enable or disable TTY auditing for specified users
 * pam_umask - PAM module to set the file mode creation mask
 * pam_unix - Module for traditional password authentication
 * pam_userdb - PAM module to authenticate against a db database
 * pam_warn - PAM module which logs all PAM items if called
 * pam_xauth - PAM module to forward xauth keys between users
 * pamcut - cut a rectangle out of a PAM, PBM, PGM, or PPM image
 * pamfile - describe a Netpbm (PAM or PNM) file
 * pamstack - stack planes of multiple PAM images into one PAM image
 * pamstretch - scale up a PNM or PAM image by interpolating between pixels
 * pamstretch-gen - use pamstretch and pnmscale to scale by non-integer values
 * Pango::AttrLetterSpacing (3pm)- Pango letter spacing attribute
 * Pango::AttrScale (3pm)- Pango font size scale attribute
 * Pango::AttrStyle (3pm)- Pango font slant style attribute
 * Pango::AttrUnderline (3pm)- Pango underline style attribute
 * Pango::FontFamily (3pm)- Pango object representing a family of related font faces
 * Pango::FontMap (3pm)- an object that represents the set of fonts available for a particu...
 * Pango::version (3pm)- get and check the version of Pango that this was compiled against
 * parallel - run programs in parallel
 * partprobe - inform the OS of partition table changes
 * passwd - the password file
 * paste - merge lines of files
 * patch - apply a diff file to an original
 * Path::Tiny (3pm) - File path utility
 * path_resolution - how a pathname is resolved to a file
 * pathchk - check whether file names are valid or portable
 * pathconf - get configuration values for files
 * pbm - portable bitmap file format
 * pbmclean - flip isolated pixels in portable bitmap
 * pbmlife - apply Conway's rules of Life to a portable bitmap
 * pbmpscale - enlarge a portable bitmap with edge smoothing
 * pbmreduce - read a portable bitmap and reduce it N times
 * pbmto10x - convert a portable bitmap into Gemini 10X printer graphics
 * pbmtoascii - convert a portable bitmap into ASCII graphics
 * pbmtoatk - convert portable bitmap to Andrew Toolkit raster object
 * pbmtobbnbg - convert a portable bitmap into BitGraph graphics
 * pbmtocmuwm - convert a portable bitmap into a CMU window manager bitmap
 * pbmtoepsi - convert a portable bitmap into an encapsulated PostScript style pr...
 * pbmtoepson - convert a portable bitmap into Epson printer graphics
 * pbmtog3 - convert a portable bitmap into a Group 3 fax file
 * pbmtogem - convert a portable bitmap into a GEM .img file
 * pbmtogo - convert a portable bitmap into compressed GraphOn graphics
 * pbmtoicon - convert a portable bitmap into a Sun icon
 * pbmtolj - convert a portable bitmap into HP LaserJet format
 * pbmtomacp - convert a portable bitmap into a MacPaint file
 * pbmtomda - convert a portable bitmap to a Microdesign .mda
 * pbmtomgr - convert a portable bitmap into a MGR bitmap
 * pbmtonokia - convert a portable bitmap to Nokia Smart Messaging Formats
 * pbmtopgm - convert portable bitmap to portable graymap by averaging areas
 * pbmtopi3 - convert a portable bitmap into an Atari Degas .pi3 file
 * pbmtoplot - convert a portable bitmap into a Unix plot file
 * pbmtoptx - convert a portable bitmap into Printronix printer graphics
 * pbmtowbmp - convert a portable bitmap to a wireless bitmap (wbmp) file
 * pbmtox10bm - convert a portable bitmap into an X10 bitmap
 * pbmtoxbm - convert a portable bitmap into an X11 bitmap
 * pbmtoybm - convert a portable bitmap into a Bennet Yee "face" file
 * pbmtozinc - convert a portable bitmap into a Zinc bitmap
 * pcrepattern - Perl-compatible regular expressions
 * pcxtoppm - convert a PCX file into a portable pixmap
 * pdfattach - Portable Document Format (PDF) document embedded file creator (ver...
 * pdfdetach - Portable Document Format (PDF) document embedded file extractor (v...
 * pdffonts - Portable Document Format (PDF) font analyzer (version 3.03)
 * pdfimages - Portable Document Format (PDF) image extractor (version 3.03)
 * pdfinfo - Portable Document Format (PDF) document information extractor (ver...
 * pdfseparate - Portable Document Format (PDF) page extractor
 * pdfsig - Portable Document Format (PDF) digital signatures tool
 * pdftocairo - Portable Document Format (PDF) to PNG/JPEG/TIFF/PDF/PS/EPS/SVG usi...
 * pdftohtml - program to convert PDF files into HTML, XML and PNG images
 * pdftoppm - Portable Document Format (PDF) to Portable Pixmap (PPM) converter ...
 * pdftops - Portable Document Format (PDF) to PostScript converter (version 3.03)
 * pdftotext - Portable Document Format (PDF) to text converter (version 3.03)
 * pdfunite - Portable Document Format (PDF) page merger
 * peekfd - peek at file descriptors of running processes
 * perlsh (1p) - one-line perl evaluator with line editing function and variable na...
 * pf2afm - Make an AFM file from Postscript (PFB/PFA/PFM) font files using gh...
 * pftp - Internet file transfer program
 * pgm - portable graymap file format
 * pgmbentley - Bentleyize a portable graymap
 * pgmedge - edge-detect a portable graymap
 * pgmenhance - edge-enhance a portable graymap
 * pgmhist - print a histogram of the values in a portable graymap
 * pgmramp - generate a grayscale ramp
 * pgmslice - extract one line of pixel values out of a portable graymap
 * pgmtexture - calculate textural features on a portable graymap
 * pgmtofs - convert portable graymap to Usenix FaceSaver(tm) format
 * pgmtolispm - convert a portable graymap into Lisp Machine format
 * pgmtopbm - convert a portable graymap into a portable bitmap
 * pgmtoppm - colorize a portable graymap into a portable pixmap
 * phys - unimplemented system calls
 * pi1toppm - convert an Atari Degas .pi1 into a portable pixmap
 * pi3topbm - convert an Atari Degas .pi3 file into a portable bitmap
 * pic - compile pictures for troff or TeX
 * pidfd_open - obtain a file descriptor that refers to a process
 * pidfd_send_signal - send a signal to a process specified by a file descriptor
 * pinta - simple image editor
 * pivot_root - change the root filesystem
 * pjtoppm - convert an HP PaintJet file to a portable pixmap
 * pkcon - PackageKit console client
 * pkcs11.conf - Configuration files for PKCS#11 modules
 * pkcs12 (1ssl) - PKCS#12 file utility
 * pkg-config - Return metainformation about installed libraries
 * pkmon - PackageKit console client
 * pl2pm - Rough tool to translate Perl4 .pl files to Perl5 .pm modules.
 * pngtopnm - convert a Portable Network Graphics file into portable anymap
 * pnm - portable anymap file format
 * pnm2ppa - convert portable anymap (PNM) images to HP's PPA printer format.
 * pnmalias - antialias a portable anyumap.
 * pnmarith - perform arithmetic on two portable anymaps
 * pnmcat - concatenate portable anymaps
 * pnmcolormap - create quantization color map for a portable anymap
 * pnmcomp - composite (overlay) two portable anymap files together
 * pnmconvol - general MxN convolution on a portable anymap
 * pnmcrop - crop a portable anymap
 * pnmcut - cut a rectangle out of a portable anymap
 * pnmdepth - change the maxval in a portable anymap
 * pnmenlarge - read a portable anymap and enlarge it N times
 * pnmfile - describe a portable anymap
 * pnmflip - perform one or more flip operations on a portable anymap
 * pnmgamma - perform gamma correction on a portable anymap
 * pnmhisteq - histogram equalise a portable anymap
 * pnmhistmap - draw a histogram for a PGM or PPM file
 * pnminterp - scale up a PNM or PAM image by interpolating between pixels
 * pnminterp-gen - use pamstretch and pnmscale to scale by non-integer values
 * pnminvert - invert a portable anymap
 * pnmmargin - add a border to a portable anymap
 * pnmmontage - create a montage of portable anymaps
 * pnmnoraw - convert portable any map to plain (ASCII) anymap format
 * pnmpad - add borders to portable anymap
 * pnmpaste - paste a rectangle into a portable anymap
 * pnmpsnr - compute the difference between two portable anymaps
 * pnmquant - quantize the colors in a Netpbm image to a smaller set
 * pnmrotate - rotate a portable anymap by some angle
 * pnmscale - scale a portable anymap
 * pnmscalefixed - scale a portable anymap quickly, but less accurate
 * pnmshear - shear a portable anymap by some angle
 * pnmsplit - split a multi-image portable anymap into multiple single-image files
 * pnmtile - replicate a portable anymap into a specified size
 * pnmtoddif - Convert a portable anymap to DDIF format
 * pnmtofiasco - Convert a portable anymap to FIASCO compressed file
 * pnmtofits - convert a portable anymap into FITS format
 * pnmtopalm - convert a portable anymap into a Palm pixmap
 * pnmtoplainpnm - convert portable any map to plain (ASCII) anymap format
 * pnmtopng - convert a portable anymap into a Portable Network Graphics file
 * pnmtops - convert portable anymap to PostScript
 * pnmtorast - convert a portable pixmap into a Sun rasterfile
 * pnmtorle - convert a Netpbm image file into an RLE image file.
 * pnmtosgi - convert a portable anymap to a SGI image file
 * pnmtosir - convert a portable anymap into a Solitaire format
 * pnmtotiff - convert a portable anymap into a TIFF file
 * pnmtotiffcmyk - convert a portable anymap into a CMYK encoded TIFF file
 * pnmtoxwd - convert a portable anymap into an X11 window dump
 * po2debconf - merge master templates file and PO files
 * pod2html - convert .pod files to .html files
 * pod2usage - print usage messages from embedded pod docs in files
 * podchecker - check the syntax of POD format documentation files
 * podebconf-display-po - display content of a PO file in a debconf interface
 * podebconf-report-po - send outdated debconf PO files to the last translators
 * podselect - print selected sections of pod documentation on standard output
 * poll - wait for some event on a file descriptor
 * posix_fadvise - predeclare an access pattern for file data
 * posix_fallocate - allocate file space
 * POST (1p) - Simple command line user agent
 * postcat - show Postfix queue file contents
 * postlog - Postfix-compatible logging utility
 * postmap - Postfix lookup table management
 * ppdc - cups ppd compiler (deprecated)
 * ppdcfile - cups ppd compiler source file format (deprecated)
 * ppdi - import ppd files (deprecated)
 * ppdmerge - merge ppd files (deprecated)
 * ppm - portable pixmap file format
 * ppm3d - convert two portable pixmap into a red/blue 3d glasses pixmap
 * ppmchange - change all pixels of one color to another in a portable pixmap
 * ppmcolormask - produce mask of areas of a certain color in a PPM file
 * ppmdim - dim a portable pixmap down to total blackness
 * ppmdist - simplistic grayscale assignment for machine generated, color images
 * ppmfade - generate a transition between two image files using special effects.
 * ppmflash - brighten a picture up to complete white-out
 * ppmhist - print a histogram of a portable pixmap
 * ppmlabel - add text to a portable pixmap
 * ppmmix - blend together two portable pixmaps
 * ppmntsc - make a portable pixmap look like taken from an American TV
 * ppmquant - quantize the colors in a portable pixmap down to a specified number
 * ppmquantall - run ppmquant on a bunch of files all at once, so they share a comm...
 * ppmrelief - run a Laplacian relief filter on a portable pixmap
 * ppmshadow - add simulated shadows to a portable pixmap image
 * ppmshift - shift lines of a portable pixmap left or right by a random amount
 * ppmspread - displace a portable pixmap's pixels by a random amount
 * ppmtoacad - convert portable pixmap to AutoCAD database or slide
 * ppmtobmp - convert a portable pixmap into a BMP file
 * ppmtoeyuv - convert a portable pixmap into a Berkeley YUV file
 * ppmtogif - convert a portable pixmap into a GIF file
 * ppmtoicr - convert a portable pixmap into NCSA ICR format
 * ppmtoilbm - convert a portable pixmap into an ILBM file
 * ppmtoleaf - convert portable pixmap to Interleaf image format
 * ppmtolj - convert a portable pixmap to an HP LaserJet PCL 5 Color file
 * ppmtomap - extract all colors from a portable pixmap
 * ppmtomitsu - convert a portable pixmap to a Mitsubishi S340-10 file
 * ppmtoneo - convert a portable pixmap into an Atari Neochrome .neo file
 * ppmtopcx - convert a portable pixmap into a PCX file
 * ppmtopgm - convert a portable pixmap into a portable graymap
 * ppmtopi1 - convert a portable pixmap into an Atari Degas .pi1 file
 * ppmtopict - convert a portable pixmap into a Macintosh PICT file
 * ppmtopj - convert a portable pixmap to an HP PaintJet file
 * ppmtopuzz - convert a portable pixmap into an X11 "puzzle" file
 * ppmtorgb3 - separate a portable pixmap into three portable graymaps
 * ppmtosixel - convert a portable pixmap into DEC sixel format
 * ppmtotga - convert portable pixmap into a TrueVision Targa file
 * ppmtouil - convert a portable pixmap into a Motif UIL icon file
 * ppmtowinicon - convert 1 or more portable pixmaps into a Windows .ico file
 * ppmtoxpm - convert a portable pixmap into an X11 pixmap
 * ppmtoyuv - convert a portable pixmap into an Abekas YUV file
 * ppmtoyuvsplit - convert a portable pixmap into 3 subsampled raw YUV files
 * ppmtv - make a portable pixmap look like taken from an American TV
 * ppoll - wait for some event on a file descriptor
 * pppdump - convert PPP record file to readable format
 * pr - convert text files for printing
 * pread - read from or write to a file descriptor at a given offset
 * pread64 - read from or write to a file descriptor at a given offset
 * preadv - read or write data into multiple buffers
 * preadv2 - read or write data into multiple buffers
 * preconv - convert encoding of input files to something GNU troff understands
 * prename (1p) - renames multiple files
 * print - execute programs via entries in the mailcap file
 * printer-profile - Profile using X-Rite ColorMunki and Argyll CMS
 * printers.conf - printer configuration file for cups
 * proc - process information pseudo-filesystem
 * procfs - process information pseudo-filesystem
 * prof - unimplemented system calls
 * profil - execution time profile
 * projid - the project name mapping file
 * protocols - protocols definition file
 * proxymap (8postfix) - Postfix lookup table proxy server
 * ps2epsi - generate conforming Encapsulated PostScript
 * ps2pdf12 - Convert PostScript to PDF 1.2 (Acrobat 3-and-later compatible) usi...
 * ps2pdf13 - Convert PostScript to PDF 1.3 (Acrobat 4-and-later compatible) usi...
 * ps2pdf14 - Convert PostScript to PDF 1.4 (Acrobat 5-and-later compatible) usi...
 * ps2pdfwr - Convert PostScript to PDF without specifying CompatibilityLevel, u...
 * ps2ps - Ghostscript PostScript "distiller"
 * psc - prepare sc files
 * pselect - synchronous I/O multiplexing
 * pselect6 - synchronous I/O multiplexing
 * psfaddtable - add a Unicode character table to a console font
 * psfgettable - extract the embedded Unicode character table from a console font
 * psfstriptable - remove the embedded Unicode character table from a console font
 * psfxtable - handle Unicode character tables for console fonts
 * psicc - little cms PostScript converter.
 * psidtopgm - convert PostScript "image" data into a portable graymap
 * pstopnm - convert a PostScript file into a portable anymap
 * pstore.conf - PStore configuration file
 * pstore.conf.d - PStore configuration file
 * ptargrep - Apply pattern matching to the contents of files in a tar archive
 * pthread_attr_getinheritsched - set/get inherit-scheduler attribute in thread attribut...
 * pthread_attr_setinheritsched - set/get inherit-scheduler attribute in thread attribut...
 * pthread_cleanup_pop - push and pop thread cancellation clean-up handlers
 * pthread_cleanup_pop_restore_np - push and pop thread cancellation clean-up handlers w...
 * pthread_cleanup_push - push and pop thread cancellation clean-up handlers
 * pthread_cleanup_push_defer_np - push and pop thread cancellation clean-up handlers wh...
 * pthread_getconcurrency - set/get the concurrency level
 * pthread_setconcurrency - set/get the concurrency level
 * ptx - produce a permuted index of file contents
 * pulse-client.conf - PulseAudio client configuration file
 * pulse-daemon.conf - PulseAudio daemon configuration file
 * putenv - change or add an environment variable
 * putgrent - write a group database entry to a file
 * putmsg - unimplemented system calls
 * putpmsg - unimplemented system calls
 * putpwent - write a password file entry
 * putspent - get shadow password file entry
 * pututline - access utmp file entries
 * pututxline - access utmp file entries
 * putwc - write a wide character to a FILE stream
 * pwck - verify integrity of password files
 * pwgen - generate pronounceable passwords
 * pwrite - read from or write to a file descriptor at a given offset
 * pwrite64 - read from or write to a file descriptor at a given offset
 * pwritev - read or write data into multiple buffers
 * pwritev2 - read or write data into multiple buffers
 * py3clean - removes .pyc and .pyo files
 * py3compile - byte compile Python 3 source files
 * pyclean - removes .pyc and .pyo files
 * pycompile - byte compile Python source files
 * pygettext2 - Python equivalent of xgettext
 * pygettext2.7 - Python equivalent of xgettext
 * pygettext3 - Python equivalent of xgettext
 * pygettext3.8 - Python equivalent of xgettext
 * pyjwt3 - Python implementation of JSON Web Token
 * qmqp-sink - parallelized QMQP test server
 * qmqp-source - parallelized QMQP test generator
 * qpdldecode - Decode a QPDL stream into human readable form.
 * qrttoppm - convert output from the QRT ray tracer into a portable pixmap
 * qt-faststart - utility for Quicktime files
 * query_module - query the kernel for various bits pertaining to modules
 * queue - implementations of singly-linked lists, singly-linked tail queues,...
 * quotactl - manipulate disk quotas
 * raise - send a signal to the caller
 * rarp - manipulate the system RARP table
 * rasttopnm - convert a Sun rasterfile into a portable anymap
 * rawtopgm - convert raw grayscale bytes into a portable graymap
 * rawtoppm - convert raw RGB bytes into a portable pixmap
 * rcp - OpenSSH secure file copy
 * rdjpgcom - display text comments from a JPEG file
 * read - read from a file descriptor
 * readahead - initiate file readahead into page cache
 * readelf - display information about ELF files
 * readfile (3am) - return the entire contents of a file as a string
 * readlink - print resolved symbolic links or canonical file names
 * readprofile - read kernel profiling information
 * readv - read or write data into multiple buffers
 * reboot - reboot or enable/disable Ctrl-Alt-Del
 * recode - converts files between character sets
 * recvmmsg - receive multiple messages on a socket
 * regdbdump - parse and print out regulatory rules file
 * regedit-stable - Wine registry editor
 * regexp_table - format of Postfix regular expression tables
 * regsvr32-stable - Wine DLL Registration Server
 * regulatory.bin - The Linux wireless regulatory database
 * regulatory.db - The Linux wireless regulatory database
 * rehash (1ssl) - Create symbolic links to files named by the hash values
 * reiserfsck - The checking tool for the ReiserFS filesystem.
 * reiserfstune - The tunning tool for the ReiserFS filesystem.
 * relocated - Postfix relocated table format
 * remap_file_pages - create a nonlinear file mapping
 * remove - remove a file or directory
 * rename - renames multiple files
 * rename - change the name or location of a file
 * rename.ul - rename files
 * renameat - change the name or location of a file
 * renameat2 - change the name or location of a file
 * rendercheck - simple tests of the X Render extension.
 * request-key - handle key instantiation callback requests from the kernel
 * request-key.conf - Instantiation handler configuration file
 * resize2fs - ext2/ext3/ext4 file system resizer
 * resize_reiserfs - resizer tool for the ReiserFS filesystem
 * resizecons - change kernel idea of the console size
 * resolv.conf - resolver configuration file
 * resolved.conf - Network Name Resolution configuration files
 * resolved.conf.d - Network Name Resolution configuration files
 * resolver - resolver configuration file
 * revoutput (3am) - Reverse output strings sample extension
 * revtwoway (3am) - Reverse strings sample two-way processor extension
 * rfkill - tool for enabling and disabling wireless devices
 * rgb3toppm - combine three portable graymaps into one portable pixmap
 * rhythmbox - music player and library for tagged files using GStreamer
 * rifle - ranger's file opener
 * rletopnm - convert a Utah Raster Tools RLE image file into a PNM image file.
 * rm - remove files or directories
 * rmail - handle remote mail received via uucp
 * rmdir - delete a directory
 * rmic - Generates stub, skeleton, and tie classes for remote objects that ...
 * rmid - Starts the activation system daemon that enables objects to be reg...
 * rmmod - Simple program to remove a module from the Linux Kernel
 * Role::Tiny (3pm) - Roles: a nouvelle cuisine portion size slice of Moose
 * Role::Tiny::With (3pm)- Neat interface for consumers of Role::Tiny roles
 * route - show / manipulate the IP routing table
 * rpcgen - an RPC protocol compiler
 * rpm-misc - lesser need options for rpm
 * rstart - a sample implementation of a Remote Start client
 * rstartd - a sample implementation of a Remote Start rsh helper
 * rsync - a fast, versatile, remote (and local) file-copying tool
 * rsyncd.conf - configuration file for rsync in daemon mode
 * rsyslog.conf - rsyslogd configuration file
 * rsyslogd - reliable and extended syslogd
 * rt_sigreturn - return from signal handler and cleanup stack frame
 * rtcwake - enter a system sleep state until specified wakeup time
 * rtnetlink - macros to manipulate rtnetlink messages
 * run-mailcap - execute programs via entries in the mailcap file
 * runlevel - Print previous and current SysV runlevel
 * rwarray (3am) - write and read gawk arrays to/from files
 * s390_runtime_instr - enable/disable s390 CPU run-time instrumentation
 * s390_sthyi - emulate STHYI instruction
 * samba - A Windows AD and SMB/CIFS fileserver for UNIX
 * tc-sample - packet sampling tc action
 * sane-apple - SANE backend for Apple flatbed scanners
 * sane-as6e - SANE backend for using the Artec AS6E parallel port interface scan...
 * sane-canon_pp - SANE backend for Canon CanoScan Parallel Port flatbed scanners
 * sane-find-scanner - find SCSI and USB scanners and their device files
 * sane-hp3500 - SANE backend for Hewlett-Packard ScanJet 3500 series scanners
 * sane-hp4200 - SANE backend for Hewlett-Packard 4200 scanners
 * sane-hp5400 - SANE backend for Hewlett-Packard 54XX scanners
 * sane-hp5590 - SANE backend for Hewlett-Packard 4500C/4570C/5500C/5550C/5590/7650...
 * sane-hpljm1005 - SANE backend for Hewlett-Packard LaserJet M1005 MFP Scanner
 * sane-leo - SANE backend for LEO Technologies scanners
 * sane-lexmark - SANE backend for Lexmark X1100/X1200 Series scanners
 * sane-mustek_pp - SANE backend for Mustek parallel port flatbed scanners
 * sane-pieusb - SANE backend for USB-connected PIE PowerSlide and Reflecta DigitDi...
 * sane-plustek_pp - SANE backend for Plustek parallel port flatbed scanners
 * sane-umax_pp - SANE backend for Umax Astra parallel port flatbed scanners
 * savelog - save a log file
 * sbigtopgm - convert an SBIG CCDOPS file into a portable graymap
 * sbvarsign - UEFI authenticated variable signing tool
 * scalb - multiply floating-point number by integral power of radix (OBSOLETE)
 * scalbf - multiply floating-point number by integral power of radix (OBSOLETE)
 * scalbl - multiply floating-point number by integral power of radix (OBSOLETE)
 * sched_getscheduler - set and get scheduling policy/parameters
 * sched_setscheduler - set and get scheduling policy/parameters
 * scp - OpenSSH secure file copy
 * screendump - dump the contents of a virtual console to stdout
 * sd-boot - A simple UEFI boot manager
 * secure_getenv - get an environment variable
 * securetty - file which lists terminals from which root can log in
 * security - unimplemented system calls
 * see - execute programs via entries in the mailcap file
 * select - synchronous I/O multiplexing
 * select-default-ispell - select default ispell dictionary
 * select-default-iwrap - Selects the user default ispell dictionary for use with ispell...
 * select-default-wordlist - select default wordlist
 * select-editor - select your default sensible-editor from all installed editors
 * select_tut - synchronous I/O multiplexing
 * semanage.conf - global configuration file for the SELinux Management library
 * sendfile - transfer data between file descriptors
 * sendfile64 - transfer data between file descriptors
 * sendmmsg - send multiple messages on a socket
 * sensible-browser - sensible editing, paging, and web browsing
 * sensible-editor - sensible editing, paging, and web browsing
 * sensible-pager - sensible editing, paging, and web browsing
 * sensors.conf - libsensors configuration file
 * sepermit.conf - configuration file for the pam_sepermit module
 * Sereal::Performance (3pm)- Getting the most out of the Perl-Sereal implementation
 * set_thread_area - manipulate thread-local storage information
 * setcap - set file capabilities
 * setcifsacl - Userspace helper to alter an ACL in a security descriptor for Comm...
 * setenv - change or add an environment variable
 * setfacl - set file access control lists
 * setfattr - set extended attributes of filesystem objects
 * setfont - load EGA/VGA console screen font
 * setfsent - handle fstab entries
 * setfsgid - set group identity used for filesystem checks
 * setfsgid32 - set group identity used for filesystem checks
 * setfsuid - set user identity used for filesystem checks
 * setfsuid32 - set user identity used for filesystem checks
 * setgrent - get group file entry
 * setgroups - get/set list of supplementary group IDs
 * setgroups32 - get/set list of supplementary group IDs
 * setkeycodes - load kernel scancode-to-keycode mapping table entries
 * setleds - set the keyboard leds
 * setlocale - set the current locale
 * setlogcons - Send kernel messages to console N
 * setmntent - get filesystem descriptor file entry
 * setnetgrent - handle network group entries
 * setpriv - run a program with different Linux privilege settings
 * setpwent - get password file entry
 * setspent - get shadow password file entry
 * setttyent - get ttys file entry
 * setup - setup devices and filesystems, mount root filesystem
 * setupcon - sets up the font and the keyboard on the console
 * setutent - access utmp file entries
 * setutxent - access utmp file entries
 * setvtrgb - customize the console color map
 * sfdisk - display or manipulate a disk partition table
 * sftp - OpenSSH secure file transfer
 * sgdisk - Command-line GUID partition table (GPT) manipulator for Linux and ...
 * sgetmask - manipulation of signal mask (obsolete)
 * sgetspent - get shadow password file entry
 * sgetspent_r - get shadow password file entry
 * sgitopnm - convert a SGI image file to a portable anymap
 * shadow - shadowed password file
 * showconsolefont - Show the current EGA/VGA console screen font
 * shred - overwrite a file to hide its contents, and optionally delete it
 * shutdown - shut down part of a full-duplex connection
 * signalfd - create a file descriptor for accepting signals
 * signalfd4 - create a file descriptor for accepting signals
 * sigpause - atomically release blocked signals and wait for interrupt
 * sigreturn - return from signal handler and cleanup stack frame
 * tc-simple - basic example action
 * simple-scan - Scanning utility
 * sincos - calculate sin and cos simultaneously
 * sincosf - calculate sin and cos simultaneously
 * sincosl - calculate sin and cos simultaneously
 * sirtopnm - convert a Solitaire file into a portable anymap
 * size - list section sizes and total size of binary files
 * sldtoppm - convert an AutoCAD slide file into a portable pixmap
 * sleep - delay for a specified amount of time
 * sleep - sleep for a specified number of seconds
 * sleep.conf.d - Suspend and hibernation configuration file
 * SLIST_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail q...
 * SLIST_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queue...
 * SLIST_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * SLIST_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_REMOVE_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * slop - select operation
 * slxdecode - Decode a SLX stream into human readable form.
 * smb.conf - The configuration file for the Samba suite
 * smbcacls - Set or get ACLs on an NT file or directory names
 * smbget - wget-like utility for download files over SMB
 * smbgetrc - configuration file for smbget
 * smbinfo - Userspace helper to display SMB-specific file information for the ...
 * smbpasswd - The Samba encrypted password file
 * smbspool - send a print file to an SMB printer
 * smtp-sink - parallelized SMTP/LMTP test server
 * smtp-source - parallelized SMTP/LMTP test generator
 * snmp.conf - configuration files for the Net-SNMP applications
 * snmp_config - handling of Net-SNMP configuration files
 * snmpd.examples - example configuration for the Net-SNMP agent
 * socketmap_table - Postfix socketmap table lookup client
 * sort - sort lines of text files
 * sort-dctrl - sort Debian control files
 * spctoppm - convert an Atari compressed Spectrum file into a portable pixmap
 * spd-conf - configure Speech Dispatcher and diagnose problems
 * spellintian - simple spellchecker based on Lintian's data files
 * split - split a file into pieces
 * split-logfile - Split combined virtual hosts access log into one file per virtual ...
 * sponge - soak up standard input and write to a file
 * spufs - SPU filesystem
 * sputoppm - convert an Atari uncompressed Spectrum file into a portable pixmap
 * squiggle - browser for SVG files
 * srp (1ssl) - maintain SRP password file
 * ssetmask - manipulation of signal mask (obsolete)
 * ssh-copy-id - use locally available keys to authorise logins on a remote machine
 * ssh_config - OpenSSH client configuration file
 * st4topgm - convert an SBIG ST4 format file into a portable graymap
 * STAILQ_CONCAT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail ...
 * STAILQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queu...
 * STAILQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queue...
 * STAILQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queue...
 * STAILQ_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_REMOVE_HEAD - implementations of singly-linked lists, singly-linked tail queue...
 * starconvert - convert text data files to StarPlot format
 * starpkg - convert a StarPlot data set to StarPlot file format
 * stat - display file or file system status
 * stat - get file status
 * stat64 - get file status
 * statfs - get filesystem statistics
 * statfs64 - get filesystem statistics
 * statvfs - get filesystem statistics
 * statvfs - get filesystem statistics
 * statx - get file status (extended)
 * stdarg - variable argument lists
 * stdio_ext - interfaces to stdio FILE structure
 * stl2gts - convert an STL file to GTS format.
 * strcoll - compare two strings using the current locale
 * strcspn - get length of a prefix substring
 * streamripper - rip shoutcast radio streams to mp3 files
 * strictures::extra (3pm)- enable or disable strictures additional checks
 * strings - print the sequences of printable characters in files
 * strip - discard symbols and other data from object files
 * strlen - calculate the length of a string
 * strnlen - determine the length of a fixed-size string
 * strspn - get length of a prefix substring
 * Struct::Dumb (3pm) - make simple lightweight record-like structures
 * stty - unimplemented system calls
 * Sub::Defer (3pm) - Defer generation of subroutines until they are first called
 * subgid - the subordinate gid file
 * subscriptions.conf - subscription configuration file for cups
 * subuid - the subordinate uid file
 * suffixes - list of file suffixes
 * sulogin - single-user login
 * sum - checksum and count the blocks in a file
 * svc_getcaller - library routines for remote procedure calls
 * svgpp - pretty-printer for SVG files
 * swapcontext - manipulate user context
 * swapoff - start/stop swapping to file/device
 * swapoff - enable/disable devices and files for paging and swapping
 * swapon - start/stop swapping to file/device
 * swapon - enable/disable devices and files for paging and swapping
 * switch_root - switch to another filesystem as the root of the mount tree
 * symcryptrun - Call a simple symmetric encryption tool
 * symlink - make a new name for a file
 * symlinkat - make a new name for a file
 * sync - commit filesystem caches to disk
 * sync-available - sync dpkg's available database with apt's database
 * sync_file_range - sync a file segment with disk
 * sync_file_range2 - sync a file segment with disk
 * syncfs - commit filesystem caches to disk
 * Sys::Hostname::Long (3pm)- Try every conceivable way to get full hostname
 * sysctl.conf - sysctl preload/configuration file
 * sysfs - get filesystem type information
 * sysfs - a filesystem for exporting kernel objects
 * syslinux - install the SYSLINUX bootloader on a FAT filesystem
 * syslinux-legacy - install the SYSLINUX bootloader on a FAT filesystem
 * syslog - read and/or clear kernel message ring buffer; set console_loglevel
 * system-config-printer-applet - print job manager
 * system.conf.d - System and session service manager configuration files
 * systemd-ask-password-console.path - Query the user for system passwords on the consol...
 * systemd-ask-password-console.service - Query the user for system passwords on the con...
 * systemd-ask-password-wall.path - Query the user for system passwords on the console a...
 * systemd-ask-password-wall.service - Query the user for system passwords on the consol...
 * systemd-binfmt - Configure additional binary formats for executables at boot
 * systemd-binfmt.service - Configure additional binary formats for executables at boot
 * systemd-bless-boot - Mark current boot process as successful
 * systemd-bless-boot-generator - Pull systemd-bless-boot.service into the initial boot ...
 * systemd-bless-boot.service - Mark current boot process as successful
 * systemd-boot - A simple UEFI boot manager
 * systemd-boot-check-no-failures - verify that the system booted up cleanly
 * systemd-boot-check-no-failures.service - verify that the system booted up cleanly
 * systemd-delta - Find overridden configuration files
 * systemd-environment-d-generator - Load variables specified by environment.d
 * systemd-fsck - File system checker logic
 * systemd-fsck-root.service - File system checker logic
 * systemd-fsck@.service - File system checker logic
 * systemd-fsckd - File system check progress reporting
 * systemd-fsckd.service - File system check progress reporting
 * systemd-fsckd.socket - File system check progress reporting
 * systemd-getty-generator - Generator for enabling getty instances on the console
 * systemd-growfs - Creating and growing file systems on demand
 * systemd-growfs@.service - Creating and growing file systems on demand
 * systemd-hibernate.service - System sleep state logic
 * systemd-hybrid-sleep.service - System sleep state logic
 * systemd-localed - Locale bus mechanism
 * systemd-localed.service - Locale bus mechanism
 * systemd-makefs - Creating and growing file systems on demand
 * systemd-makefs@.service - Creating and growing file systems on demand
 * systemd-mkswap@.service - Creating and growing file systems on demand
 * systemd-modules-load - Load kernel modules at boot
 * systemd-modules-load.service - Load kernel modules at boot
 * systemd-notify - Notify service manager about start-up completion and other daemon ...
 * systemd-quotacheck - File system quota checker logic
 * systemd-quotacheck.service - File system quota checker logic
 * systemd-remount-fs - Remount root and kernel file systems
 * systemd-remount-fs.service - Remount root and kernel file systems
 * systemd-sleep - System sleep state logic
 * systemd-sleep.conf - Suspend and hibernation configuration file
 * systemd-suspend-then-hibernate.service - System sleep state logic
 * systemd-suspend.service - System sleep state logic
 * systemd-system.conf - System and session service manager configuration files
 * systemd-tmpfiles - Creates, deletes and cleans up volatile and temporary files and di...
 * systemd-tmpfiles-clean.service - Creates, deletes and cleans up volatile and temporar...
 * systemd-tmpfiles-clean.timer - Creates, deletes and cleans up volatile and temporary ...
 * systemd-tmpfiles-setup-dev.service - Creates, deletes and cleans up volatile and temp...
 * systemd-tmpfiles-setup.service - Creates, deletes and cleans up volatile and temporar...
 * systemd-udev-settle.service - Wait for all pending udev events to be handled
 * systemd-update-utmp - Write audit and utmp updates at bootup, runlevel changes and sh...
 * systemd-update-utmp-runlevel.service - Write audit and utmp updates at bootup, runlev...
 * systemd-update-utmp.service - Write audit and utmp updates at bootup, runlevel change...
 * systemd-user.conf - System and session service manager configuration files
 * systemd-volatile-root - Make the root file system volatile
 * systemd-volatile-root.service - Make the root file system volatile
 * systemd.environment-generator - systemd environment file generators
 * systemd.negative - DNSSEC trust anchor configuration files
 * systemd.offline-updates - Implementation of offline updates in systemd
 * systemd.positive - DNSSEC trust anchor configuration files
 * systemd.preset - Service enablement presets
 * systemd.syntax - General syntax of systemd configuration files
 * t1asm - assemble PostScript Type 1 font
 * t1disasm - disassemble PostScript Type 1 font
 * t1mac - translate a PFA or PFB PostScript Type 1 font into Macintosh format
 * t1unmac - translate a Mac PostScript Type 1 font into PFA or PFB format
 * tac - concatenate and print files in reverse
 * tail - output the last part of files
 * TAILQ_CONCAT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FOREACH_REVERSE - implementations of singly-linked lists, singly-linked tail qu...
 * TAILQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail q...
 * TAILQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queue...
 * TAILQ_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail queu...
 * TAILQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * TAILQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queues...
 * TAILQ_LAST - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_PREV - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_SWAP - implementations of singly-linked lists, singly-linked tail queues,...
 * tbl - format tables for troff
 * tc - show / manipulate traffic control settings
 * tc-bpf - BPF programmable classifier and actions for ingress/egress queuein...
 * tc-choke - choose and keep scheduler
 * tc-codel - Controlled-Delay Active Queue Management algorithm
 * tc-drr - deficit round robin scheduler
 * tc-fq_codel - Fair Queuing (FQ) with Controlled Delay (CoDel)
 * tc-ife - encapsulate/decapsulate metadata
 * tc-mpls - mpls manipulation module
 * tc-nat - stateless native address translation action
 * tc-pie - Proportional Integral controller-Enhanced AQM algorithm
 * tc-stab - Generic size table manipulations
 * tc-vlan - vlan manipulation module
 * tc-xt - tc iptables action
 * tcp_table - Postfix client/server table lookup protocol
 * tdelete - manage a binary search tree
 * tee - read from standard input and write to standard output and files
 * telinit - Change SysV runlevel
 * tempfile - create a temporary file in a safe manner
 * tempnam - create a name for a temporary file
 * term - format of compiled term file.
 * test - check file types and compare values
 * Test::Future::Deferred (3pm)- a future which completes later
 * Test::Lintian -- Check Lintian files for issues
 * Test::Lintian::ConfigFile -- generic helper routines for colon-delimited configurati...
 * Test::Lintian::Filter -- Functions to select with tests to run
 * Test::Lintian::Templates -- Helper routines dealing with templates
 * Test::StagedFileProducer -- mtime-based file production engine
 * testparm - check an smb.conf configuration file for internal correctness
 * Text::Levenshtein (3pm)- calculate the Levenshtein edit distance between two strings
 * Text::WrapI18N (3pm)- Line wrapping module with support for multibyte, fullwidth, and co...
 * tgatoppm - convert TrueVision Targa file into a portable pixmap
 * thermal-conf.xml - Configuration file for thermal daemon
 * thinkjettopbm - convert HP ThinkJet printer commands file to PBM
 * tic - the terminfo entry-description compiler
 * tifftopnm - convert a TIFF file into a portable anymap
 * tificc - little cms ICC profile applier for TIFF.
 * time.conf - configuration file for the pam_time module
 * timer_delete - delete a POSIX per-process timer
 * timerclear - timeval operations
 * timerfd_create - timers that notify via file descriptors
 * timerfd_gettime - timers that notify via file descriptors
 * timerfd_settime - timers that notify via file descriptors
 * timesyncd.conf - Network Time Synchronization configuration files
 * timesyncd.conf.d - Network Time Synchronization configuration files
 * tipc-nametable - show TIPC nametable
 * tmpfile - create a temporary file
 * tmpfiles.d - Configuration for creation, deletion and cleaning of volatile and ...
 * tmpnam - create a name for a temporary file
 * tmpnam_r - create a name for a temporary file
 * toe - table of (terminfo) entries
 * touch - change file timestamps
 * tr - translate or delete characters
 * transicc - little cms ColorSpace conversion calculator.
 * transport - Postfix transport table format
 * truncate - shrink or extend the size of a file to the specified size
 * truncate - truncate a file to a specified length
 * truncate64 - truncate a file to a specified length
 * tty - print the file name of the terminal connected to standard input
 * ttyslot - find the slot of the current user's terminal in some file
 * tune2fs - adjust tunable filesystem parameters on ext2/ext3/ext4 filesystems
 * tuxcall - unimplemented system calls
 * Type::Library (3pm) - tiny, yet Moo(se)-compatible type libraries
 * Type::Tiny (3pm) - tiny, yet Moo(se)-compatible type constraint
 * Type::Tiny::_HalfOp (3pm)- half-completed overloaded operation
 * Type::Tiny::Manual::AllTypes (3pm)- alphabetical list of all type constraints bundled wi...
 * Type::Tiny::Role (3pm)- type constraints based on the "DOES" method
 * Type::Utils (3pm) - utility functions to make defining and using type constraints a li...
 * Types::Standard (3pm)- bundled set of built-in types for Type::Tiny
 * Types::Standard::CycleTuple (3pm)- internals for the Types::Standard CycleTuple type con...
 * Types::Standard::Tuple (3pm)- internals for the Types::Standard Tuple type constraint
 * tzfile - timezone information
 * tzselect - view timezones
 * tzselect - select a timezone
 * ualarm - schedule signal after given number of microseconds
 * ucf - Update Configuration File: preserve user changes in configuration ...
 * ucf.conf - site-wide configuration file for ucf
 * ucfr - Update Configuration File Registry: associate packages with config...
 * udisks2.conf - The udisks2 configuration file
 * ulckpwdf - get shadow password file entry
 * ulockmgr_server - Lock Manager Server for FUSE filesystems
 * umask - set file mode creation mask
 * umax_pp - SANE backend for Umax Astra parallel port flatbed scanners
 * umount - unmount filesystem
 * umount - unmount file systems
 * umount.udisks2 - unmount file systems that have been mounted by UDisks2
 * umount2 - unmount filesystem
 * uncompress - compress or expand files
 * ungetwc - push back a wide character onto a FILE stream
 * unicode_start - put keyboard and console in unicode mode
 * unicode_stop - revert keyboard and console from unicode mode
 * unimplemented - unimplemented system calls
 * unlink - call the unlink function to remove the specified file
 * unlink - delete a name and possibly the file it refers to
 * unlinkat - delete a name and possibly the file it refers to
 * unlz4 - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * unlzma - Compress or decompress .xz and .lzma files
 * unpack200 - Transforms a packed file produced by pack200 into a JAR file fo...
 * unrar - extract files from rar archives
 * unrar-nonfree - extract files from rar archives
 * unsetenv - change or add an environment variable
 * unshield - extract CAB files from an InstallShield installer archive
 * unsquashfs - tool to uncompress squashfs filesystems
 * unwrapdiff - demangle word-wrapped patches
 * unxz - Compress or decompress .xz and .lzma files
 * unzip - list, test and extract compressed files in a ZIP archive
 * update-binfmts - maintain registry of executable binary formats
 * update-catalog - create or update entry in SGML catalog file
 * update-desktop-database - Build cache database of MIME types handled by desktop files
 * update-fonts-alias - compile fonts.alias files
 * update-fonts-dir - compile fonts.dir files
 * update-fonts-scale - generate fonts.scale files
 * update-inetd - create, remove, enable or disable entry /etc/inetd.conf
 * update-info-dir - update or create index file from all installed info files in direc...
 * update-initramfs.conf - configuration file for update-initramfs
 * update-locale - Modify global locale settings
 * update-perl-sax-parsers - (de)register Perl SAX parser modules
 * update-rc.d - install and remove System-V style init script links
 * update-xmlcatalog - maintain XML catalog files
 * updatedb.conf - a configuration file for updatedb
 * updwtmp - append an entry to the wtmp file
 * updwtmpx - append an entry to the wtmp file
 * URI::file (3pm) - URI that maps to local file names
 * usbmuxd - Expose a socket to multiplex connections from and to iOS devices.
 * uselocale - set/get the locale for the calling thread
 * user.conf.d - System and session service manager configuration files
 * userdel - delete a user account and related files
 * userfaultfd - create a file descriptor for handling page faults in user space
 * usleep - suspend execution for microsecond intervals
 * ustat - get filesystem statistics
 * utf-8 - an ASCII compatible multibyte Unicode encoding
 * utf8 - an ASCII compatible multibyte Unicode encoding
 * utime - change file last access and modification times
 * utimensat - change file timestamps with nanosecond precision
 * utimes - change file last access and modification times
 * utmpdump - dump UTMP and WTMP files in raw format
 * utmpname - access utmp file entries
 * utmpxname - access utmp file entries
 * UUID (3pm) - DCE compatible Universally Unique Identifier library for Perl
 * va_arg - variable argument lists
 * va_copy - variable argument lists
 * va_end - variable argument lists
 * va_start - variable argument lists
 * validlocale - Test if a given locale is available
 * Variable::Magic (3pm)- Associate user-defined magic to variables from Perl.
 * variables - Format of specifying variable names to SNMP tools.
 * vboxheadless - x86 virtualization solution
 * vcs - virtual console memory
 * vcsa - virtual console memory
 * vcstime - Show time in upper right hand corner of the console screen
 * vcut - cuts Ogg Vorbis files
 * veritysetup - manage dm-verity (block level verification) volumes
 * vgmknodes - Create the special files for volume group devices in /dev
 * vidir - edit directories and filenames
 * vigr - edit the password, group, shadow-password or shadow-group file
 * vimdiff - edit two, three or four versions of a file with Vim and show diffe...
 * vipw - edit the password, group, shadow-password or shadow-group file
 * virtual - Postfix virtual alias table format
 * visudo - edit the sudoers file
 * vlc-wrapper - a wrapper to drop privileges with VLC
 * vorbiscomment - List or edit comments in Ogg Vorbis files
 * vserver - unimplemented system calls
 * vstp - VisioBraille file transferring
 * wait3 - wait for process to change state, BSD style
 * wait4 - wait for process to change state, BSD style
 * wbmptopbm - convert a wireless bitmap (wbmp) file to a portable bitmap (pbm)
 * wc - print newline, word, and byte counts for each file
 * wcslen - determine the length of a wide-character string
 * wcsnlen - determine the length of a fixed-size wide-character string
 * wctob - try to represent a wide character as a single byte
 * whereis - locate the binary, source, and manual page files for a command
 * wine-stable - run Windows programs on Unix
 * wine64-stable - run Windows programs on Unix
 * wineboot-stable - perform Wine initialization, startup, and shutdown tasks
 * winecfg-stable - Wine Configuration Editor
 * wineconsole - The Wine console
 * wineconsole-stable - The Wine console
 * winedbg-stable - Wine debugger
 * winefile - Wine File Manager
 * winefile-stable - Wine File Manager
 * winepath-stable - Tool to convert Unix paths to/from Win32 paths
 * wineserver-stable - the Wine server
 * winicontoppm - convert a Windows .ico file into 1 or more portable pixmap files
 * wireless - Wireless Tools and Wireless Extensions
 * wmctrl - interact with a EWMH/NetWM compatible X Window Manager.
 * wordgrinder - console-based word processor
 * wpa_supplicant.conf - configuration file for wpa_supplicant
 * write - write to a file descriptor
 * writev - read or write data into multiple buffers
 * wrjpgcom - insert text comments into a JPEG file
 * WWW::RobotRules (3pm)- database of robots.txt-derived permissions
 * WWW::RobotRules::AnyDBM_File (3pm)- Persistent RobotRules
 * X - a portable, network-transparent window system
 * X11::Auth (3pm) - Perl module to read X11 authority files
 * X11::Keysyms (3pm) - Perl module for names of X11 keysyms
 * X11::Protocol (3pm) - Perl module for the X Window System Protocol, version 11
 * X11::Protocol::Connection (3pm)- Perl module abstract base class for X11 client to serve...
 * X11::Protocol::Connection::FileHandle (3pm)- Perl module base class for FileHandle-based...
 * X11::Protocol::Connection::INETFH (3pm)- Perl module for FileHandle-based TCP/IP X11 con...
 * X11::Protocol::Connection::INETSocket (3pm)- Perl module for IO::Socket::INET-based X11 ...
 * X11::Protocol::Connection::Socket (3pm)- Perl module base class for IO::Socket-based X11...
 * X11::Protocol::Connection::UNIXFH (3pm)- Perl module for FileHandle-based Unix-domain X1...
 * X11::Protocol::Connection::UNIXSocket (3pm)- Perl module for IO::Socket::UNIX-based X11 ...
 * X11::Protocol::Ext::BIG_REQUESTS (3pm)- Perl module for the X11 protocol Big Requests ex...
 * X11::Protocol::Ext::DPMS (3pm)- Perl module for the X11 Protocol DPMS Extension
 * X11::Protocol::Ext::RENDER (3pm)- Perl module for the X Rendering Extension
 * X11::Protocol::Ext::SHAPE (3pm)- Perl module for the X11 Protocol Nonrectangular Window ...
 * X11::Protocol::Ext::XC_MISC (3pm)- Perl module for the X11 Protocol XC-MISC Extension
 * X11::Protocol::Ext::XFree86_Misc (3pm)- Perl module for the XFree86 Misc Extension
 * x86_64-linux-gnu-addr2line - convert addresses into file names and line numbers
 * x86_64-linux-gnu-as - the portable GNU assembler.
 * x86_64-linux-gnu-c++filt - demangle C++ and Java symbols
 * x86_64-linux-gnu-elfedit - update ELF header and program property of ELF files
 * x86_64-linux-gnu-g++ - GNU project C and C++ compiler
 * x86_64-linux-gnu-g++-9 - GNU project C and C++ compiler
 * x86_64-linux-gnu-gcc - GNU project C and C++ compiler
 * x86_64-linux-gnu-gcc-9 - GNU project C and C++ compiler
 * x86_64-linux-gnu-gcov-dump - offline gcda and gcno profile dump tool
 * x86_64-linux-gnu-gcov-dump-9 - offline gcda and gcno profile dump tool
 * x86_64-linux-gnu-gcov-tool - offline gcda profile processing tool
 * x86_64-linux-gnu-gcov-tool-9 - offline gcda profile processing tool
 * x86_64-linux-gnu-gprof - display call graph profile data
 * x86_64-linux-gnu-nm - list symbols from object files
 * x86_64-linux-gnu-objcopy - copy and translate object files
 * x86_64-linux-gnu-objdump - display information from object files
 * x86_64-linux-gnu-readelf - display information about ELF files
 * x86_64-linux-gnu-size - list section sizes and total size of binary files
 * x86_64-linux-gnu-strings - print the sequences of printable characters in files
 * x86_64-linux-gnu-strip - discard symbols and other data from object files
 * XauFileName - X authority database routines
 * xauth - X authority file utility
 * xbmtopbm - convert an X11 or X10 bitmap into a portable bitmap
 * xclip - command line interface to X selections (clipboard)
 * xclip-copyfile - copy and move files via the X clipboard
 * xclip-cutfile - copy and move files via the X clipboard
 * xclip-pastefile - copy and move files via the X clipboard
 * xconsole - monitor system console messages with X
 * xcursorgen - create an X cursor file from a collection of PNG images
 * xcutsel - interchange between cut buffer and selection
 * xdg-mime - command line tool for querying information about file type handlin...
 * xdg-open - opens a file or URL in the user's preferred application
 * xdr_double - library routines for external data representation
 * xedit - simple text editor for X
 * xfontsel - point and click selection of X11 font names
 * xfs - layout, mount options, and supported file attributes for the XFS f...
 * xfs_admin - change parameters of an XFS filesystem
 * xfs_bmap - print block mapping for an XFS file
 * xfs_copy - copy the contents of an XFS filesystem
 * xfs_db - debug an XFS filesystem
 * xfs_estimate - estimate the space that an XFS filesystem will take
 * xfs_freeze - suspend access to an XFS filesystem
 * xfs_fsr - filesystem reorganizer for XFS
 * xfs_growfs - expand an XFS filesystem
 * xfs_info - display XFS filesystem geometry information
 * xfs_io - debug the I/O path of an XFS filesystem
 * xfs_logprint - print the log of an XFS filesystem
 * xfs_mdrestore - restores an XFS metadump image to a filesystem image
 * xfs_metadump - copy XFS filesystem metadata to a file
 * xfs_mkfile - create an XFS file
 * xfs_quota - manage use of quota on XFS filesystems
 * xfs_repair - repair an XFS filesystem
 * xfs_scrub - check and repair the contents of a mounted XFS filesystem
 * xfs_scrub_all - scrub all mounted XFS filesystems
 * xfs_spaceman - show free space information about an XFS filesystem
 * ximtoppm - convert an Xim file into a portable pixmap
 * xkbcomp - compile XKB keyboard description
 * xkbvleds - XKB extension user utility
 * xkeyboard-config - XKB data description files
 * XML::LibXML::AttributeHash (3pm)- tie an XML::LibXML::Element to a hash to access its at...
 * XML::LibXML::Boolean (3pm)- Boolean true/false values
 * XML::LibXML::Devel (3pm)- makes functions from LibXML.xs available
 * XML::LibXML::DocumentFragment (3pm)- XML::LibXML's DOM L2 Document Fragment Implementation
 * XML::LibXML::DOM (3pm)- XML::LibXML DOM Implementation
 * XML::LibXML::Element (3pm)- XML::LibXML Class for Element Nodes
 * XML::LibXML::Literal (3pm)- Simple string values.
 * XML::LibXML::Namespace (3pm)- XML::LibXML Namespace Implementation
 * XML::LibXML::Number (3pm)- Simple numeric values.
 * XML::LibXML::XPathExpression (3pm)- XML::LibXML::XPathExpression- interface to libxml2 ...
 * XML::NamespaceSupport (3pm)- A simple generic namespace processor
 * XML::Parser (3pm) - A perl module for parsing XML documents
 * XML::Parser::Expat (3pm)- Lowlevel access to James Clark's expat XML parser
 * XML::Parser::Style::Debug (3pm)- Debug style for XML::Parser
 * XML::Parser::Style::Objects (3pm)- Objects styler parser
 * XML::Parser::Style::Stream (3pm)- Stream style for XML::Parser
 * XML::Parser::Style::Subs (3pm)- glue for handling element callbacks
 * XML::Parser::Style::Tree (3pm)- Tree style parser
 * XML::SAX (3pm) - Simple API for XML
 * XML::Twig (3pm) - A perl module for processing huge XML documents in tree mode.
 * XML::XPathEngine (3pm)- a re-usable XPath engine for DOM-like trees
 * XML::XPathEngine::Boolean (3pm)- Boolean true/false values
 * XML::XPathEngine::Literal (3pm)- Simple string values.
 * XML::XPathEngine::Number (3pm)- Simple numeric values.
 * xorg.conf - configuration files for Xorg X server
 * xorg.conf.d - configuration files for Xorg X server
 * xpmtoppm - convert an X11 pixmap into a portable pixmap
 * xqxdecode - Decode a XQX stream into human readable form.
 * xreader-thumbnailer - create png thumbnails from xreader supported documents
 * xsubpp - compiler to convert Perl XS code into C code
 * xtables-compat - compat tools to migrate from iptables to nftables
 * xtables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * xtables-legacy-multi - iptables using old getsockopt/setsockopt-based kernel api
 * xtables-monitor - show changes to rule set and trace-events
 * xtables-multi - xtables multi-link binary for netfilter's iptables and ip6tables
 * xtables-nft - iptables using nftables kernel api
 * xtables-nft-multi - iptables using nftables kernel api
 * xtables-translate - translation tool to migrate from iptables to nftables
 * XtAddActions - register an action table
 * XtAddEventHandler - add and remove event handlers
 * XtAddRawEventHandler - add and remove event handlers
 * XtAllocateGC - obtain a sharable GC with modifiable fields
 * XtAppAddActions - register an action table
 * XtAppCreateShell - create top-level widget instance
 * XtAppError - low-level error handlers
 * XtAppErrorMsg - high-level error handlers
 * XtAppGetSelectionTimeout - set and obtain selection timeout values
 * XtAppReleaseCacheRefs - decrement reference counts for resources
 * XtAppSetErrorHandler - low-level error handlers
 * XtAppSetErrorMsgHandler - high-level error handlers
 * XtAppSetSelectionTimeout - set and obtain selection timeout values
 * XtAppSetWarningHandler - low-level error handlers
 * XtAppSetWarningMsgHandler - high-level error handlers
 * XtAppWarning - low-level error handlers
 * XtAppWarningMsg - high-level error handlers
 * XtAugmentTranslations - manage translation tables
 * XtCancelSelectionRequest - bundle multiple selection conversion requests into a singl...
 * XtCreateApplicationShell - create top-level widget instance
 * XtCreateSelectionRequest - bundle multiple selection conversion requests into a singl...
 * XtDisownSelection - set selection owner
 * XtError - low-level error handlers
 * XtErrorMsg - high-level error handlers
 * XtFindFile - search for a file using substitutions in the path list
 * XtGetGC - obtain and destroy a sharable GC
 * XtGetKeysymTable - query keysyms and keycodes
 * XtGetSelectionParameters - retrieve target parameters for a selection request with a ...
 * XtGetSelectionRequest - retrieve the event that triggered the XtConvertSelectionProc
 * XtGetSelectionTimeout - set and obtain selection timeout values
 * XtGetSelectionValue - obtain selection values
 * XtGetSelectionValueIncremental - obtain selection values
 * XtGetSelectionValues - obtain selection values
 * XtGetSelectionValuesIncremental - obtain selection values
 * XtInsertEventHandler - add and remove event handlers
 * XtInsertEventTypeHandler - extension event handling
 * XtInsertRawEventHandler - add and remove event handlers
 * XtInstallAccelerators - managing accelerator tables
 * XtInstallAllAccelerators - managing accelerator tables
 * XtIsTopLevelShell - obtain and verify a widget's class
 * XtNumber - determine the byte offset or number of array elements
 * XtOffset - determine the byte offset or number of array elements
 * XtOffsetOf - determine the byte offset or number of array elements
 * XtOverrideTranslations - manage translation tables
 * XtOwnSelection - set selection owner
 * XtOwnSelectionIncremental - set selection owner
 * XtParseAcceleratorTable - managing accelerator tables
 * XtParseTranslationTable - manage translation tables
 * XtRegisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtRegisterExtensionSelector - extension event handling
 * XtReleaseGC - obtain and destroy a sharable GC
 * XtReleasePropertyAtom - maintain a cache of property atoms
 * XtRemoveEventHandler - add and remove event handlers
 * XtRemoveEventTypeHandler - extension event handling
 * XtRemoveRawEventHandler - add and remove event handlers
 * XtResolvePathname - search for a file using standard substitution
 * XtSendSelectionRequest - bundle multiple selection conversion requests into a single ...
 * XtSetErrorHandler - low-level error handlers
 * XtSetErrorMsgHandler - high-level error handlers
 * XtSetSelectionParameters - specify target parameters for a selection request with a s...
 * XtSetSelectionTimeout - set and obtain selection timeout values
 * XtSetWarningHandler - low-level error handlers
 * XtSetWarningMsgHandler - high-level error handlers
 * XtToolkitThreadInitialize - initialize the toolkit for multiple threads
 * XtTranslateCoords - translate widget coordinates
 * XtTranslateKeycode - convert KeySym to KeyCodes
 * XtUninstallTranslations - manage translation tables
 * XtUnregisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtVaAppCreateShell - create top-level widget instance
 * XtWarning - low-level error handlers
 * XtWarningMsg - high-level error handlers
 * xwdtopnm - convert a X11 or X10 window dump file into a portable anymap
 * xz - Compress or decompress .xz and .lzma files
 * xzcat - Compress or decompress .xz and .lzma files
 * xzcmp - compare compressed files
 * xzdiff - compare compressed files
 * xzegrep - search compressed files for a regular expression
 * xzfgrep - search compressed files for a regular expression
 * xzgrep - search compressed files for a regular expression
 * xzless - view xz or lzma compressed (text) files
 * xzmore - view xz or lzma compressed (text) files
 * YAML::Tiny (3pm) - Read/Write YAML files with as little code as possible
 * YAML::XS::LibYAML (3pm)- An XS Wrapper Module of libyaml
 * ybmtopbm - convert a Bennet Yee "face" file into a portable bitmap
 * yes - output a string repeatedly until killed
 * yuvsplittoppm - convert a Y- and a U- and a V-file into a portable pixmap
 * yuvtoppm - convert Abekas YUV bytes into a portable pixmap
 * zcat - compress or expand files
 * zcmp - compare compressed files
 * zdiff - compare compressed files
 * zegrep - search possibly compressed files for a regular expression
 * zeisstopnm - convert a Zeiss confocal file into a portable anymap
 * zfgrep - search possibly compressed files for a regular expression
 * zforce - force a '.gz' extension on all gzip files
 * zgrep - search possibly compressed files for a regular expression
 * zic - timezone compiler
 * zip - package and compress (archive) files
 * zipcloak - encrypt entries in a zipfile
 * zipdetails - display the internal structure of zip files
 * zipgrep - search files in a ZIP archive for lines matching a pattern
 * zipinfo - list detailed information about a ZIP archive
 * zipnote - write the comments in zipfile to stdout, edit comments and rename ...
 * zipsplit - split a zipfile into smaller zipfiles
 * zjsdecode - Decode a ZjStream into human readable form.
 * zless - file perusal filter for crt viewing of compressed text
 * zmore - file perusal filter for crt viewing of compressed text
 * znew - recompress .Z files to .gz files
 * Locale::libintlFAQ (3pm)- Frequently asked questions for libintl-perl
 * Locale::Recode::_Aliases (3pm)- Internal Charset Alias Database for libintl-perl
 * libreoffice - LibreOffice office suite
 * lobase - LibreOffice office suite
 * localc - LibreOffice office suite
 * lodraw - LibreOffice office suite
 * loffice - LibreOffice office suite
 * lofromtemplate - LibreOffice office suite
 * loimpress - LibreOffice office suite
 * lomath - LibreOffice office suite
 * loweb - LibreOffice office suite
 * lowriter - LibreOffice office suite
 * pam_extrausers - Module for libnss-extrausers authentication
 * unopkg - LibreOffice Extension Manager
 * Compose - X client mappings for multi-key input sequences
 * address_families - socket address families (domains)
 * alien (1p) - Convert or install an alien binary package
 * Alien::Package (3pm)- an object that represents a package
 * Alien::Package::Deb (3pm)- an object that represents a deb package
 * Alien::Package::Lsb (3pm)- an object that represents a lsb package
 * Alien::Package::Pkg (3pm)- an object that represents a Solaris pkg package
 * Alien::Package::Rpm (3pm)- an object that represents a rpm package
 * Alien::Package::Slp (3pm)- an object that represents a slp package
 * Alien::Package::Tgz (3pm)- an object that represents a tgz package
 * apparmor.vim - vim syntax highlighting file for AppArmor profiles
 * aptdcon - command line client for aptdaemon
 * bt-obex - a bluetooth OBEX client/server
 * c_rehash (1ssl) - Create symbolic links to files named by the hash values
 * CA.pl (1ssl) - friendlier interface for OpenSSL certificate programs
 * client.conf - client configuration file for cups (deprecated on macos)
 * cups-lpd - receive print jobs and report printer status to lpd clients (depre...
 * daylight - initialize time conversion information
 * dh_compress - compress files and fix symlinks in package build directories
 * dh_link - create symlinks in package build directories
 * dh_lintian - install lintian override files into package build directories
 * dhclient - Dynamic Host Configuration Protocol Client
 * dhclient-script - DHCP client network configuration script
 * dhclient.conf - DHCP client configuration file
 * dhclient.leases - DHCP client lease database
 * dict - DICT Protocol Client
 * dict_lookup - DICT Protocol Client
 * dirmngr-client - Tool to access the Dirmngr services
 * dnsmasq - A lightweight DHCP and caching DNS server.
 * fwupdmgr - Firmware update manager client utility
 * genisoimage - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * gftp - file transfer client for *NIX based machines.
 * gftp-gtk - file transfer client for *NIX based machines.
 * gftp-text - file transfer client for *NIX based machines.
 * git-cherry - Find commits yet to be applied to upstream
 * git-quiltimport - Applies a quilt patchset onto the current branch
 * gmtp - simple MP3 player client for MTP based devices
 * gpg-wks-client - Client for the Web Key Service
 * gvmap - find clusters and create a geographical map highlighting clusters.
 * hexchat - IRC Client
 * HTML::LinkExtor (3pm)- Extract links from an HTML document
 * IO::Socket::Socks (3pm)- Provides a way to create socks client or server both 4 and 5 ve...
 * irssi - a modular IRC client for UNIX
 * jpgicc - little cms ICC profile applier for JPEG.
 * libsmbclient - An extension library for browsers and that can be used as a generi...
 * libtoolize - Prepare a package to use libtool
 * libwww::lwpcook (3pm)- The libwww-perl cookbook
 * lightdm - a display manager
 * links - lynx-like alternative character mode WWW browser
 * lintian - Static analysis tool for Debian packages
 * lintian-info - give detailed information about Lintian's error tags
 * Lintian::Architecture -- Lintian API for handling architectures and wildcards
 * Lintian::Check -- Common facilities for Lintian checks
 * Lintian::Check::Info - Check script meta data
 * Lintian::Command - Utilities to execute other commands from lintian code
 * Lintian::Command::Simple - Run commands without pipes
 * Lintian::Data - Lintian interface to query lists of keywords
 * Lintian::Deb822Parser - Lintian's generic Deb822 parser functions
 * Lintian::File::Path - Lintian representation of a path entry in a package
 * Lintian::Group -- A group of objects that Lintian can process
 * Lintian::Index - access to collected data about the upstream (orig) sources
 * Lintian::Index::Ar - binary symbol information.
 * Lintian::Index::Control -- An index of a control file set
 * Lintian::Index::Control::Scripts - information about maintainer scripts.
 * Lintian::Index::FileInfo - determine file type via magic.
 * Lintian::Index::Installed -- An index of an installed file set
 * Lintian::Index::Java - java information.
 * Lintian::Index::Md5sums - calculate checksums for index.
 * Lintian::Index::Objdump - binary symbol information.
 * Lintian::Index::Orig -- An index of an upstream (orig) file set
 * Lintian::Index::Patched -- An index of a patched file set
 * Lintian::Index::Scripts - information about scripts.
 * Lintian::Index::Strings - strings in binary files.
 * Lintian::Inspect::Changelog -- Parse a literal version string into its constituents
 * Lintian::Inspect::Changelog::Entry - represents one entry in a Debian changelog
 * Lintian::Inspect::Changelog::Version -- Parse a literal version string into its cons...
 * Lintian::Maintainer -- Lintian checks shared between multiple scripts
 * Lintian::Output - Lintian messaging handling
 * Lintian::Pool -- Pool of processables
 * Lintian::Processable -- An (abstract) object that Lintian can process
 * Lintian::Processable::Binary -- A deb installation package Lintian can process
 * Lintian::Processable::Binary::Changelog - collect changelog information
 * Lintian::Processable::Binary::Class - Lintian interface to binary package data collec...
 * Lintian::Processable::Binary::Copyright - collect copyright information
 * Lintian::Processable::Binary::Relation - Lintian interface to binary package data col...
 * Lintian::Processable::Buildinfo -- A buildinfo file Lintian can process
 * Lintian::Processable::Changelog - access to collected changelog data
 * Lintian::Processable::Changelog::Version - Lintian interface to source package data c...
 * Lintian::Processable::Changes -- A changes file Lintian can process
 * Lintian::Processable::Control - access to collected control file data
 * Lintian::Processable::Control::Conffiles - access to collected control data for conff...
 * Lintian::Processable::Diffstat - access to collected diffstat data
 * Lintian::Processable::Fields::Files - Lintian interface to .buildinfo or changes file...
 * Lintian::Processable::Hardening - access to collected hardening data
 * Lintian::Processable::Installable - Lintian interface to binary package data collection
 * Lintian::Processable::Installed - access to collected data about the upstream (orig) ...
 * Lintian::Processable::IsNonFree - Lintian interface to source package data collection
 * Lintian::Processable::Objdump - access to collected binary object data
 * Lintian::Processable::Orig - access to collected data about the upstream (orig) sources
 * Lintian::Processable::Overrides - access to override data
 * Lintian::Processable::Patched - access to sources with Debian patches applied
 * Lintian::Processable::Source -- A dsc source package Lintian can process
 * Lintian::Processable::Source::Diffstat - collect diffstat information
 * Lintian::Processable::Source::Fields - Lintian interface to source package data colle...
 * Lintian::Processable::Source::Format - Lintian interface to source format
 * Lintian::Processable::Source::Relation - Lintian interface to source package data col...
 * Lintian::Processable::Source::Repacked - Lintian interface to source package data col...
 * Lintian::Processable::Udeb -- A udeb installation package Lintian can process
 * Lintian::Profile - Profile parser for Lintian
 * Lintian::Relation - Lintian operations on dependencies and relationships
 * Lintian::Relation::Version - Comparison operators on Debian versions
 * Lintian::Reporting::ResourceManager -- A simple resource manager for html_reports
 * Lintian::Reporting::Util - Lintian utility functions
 * Lintian::SlidingWindow - Lintian interface to sliding window match
 * Lintian::Spelling -- Lintian spell checks shared between multiple scripts
 * Lintian::Tag -- Common facilities for Lintian tags found and to be issued
 * Lintian::Tag::Bearer -- Facilities for objects receiving Lintian tags
 * Lintian::Tag::Info - Lintian interface to tag metadata
 * Lintian::Tag::Standard - standard tag with arguments concatenated by space
 * Lintian::Tutorial -- The newcomer's guide to Lintian
 * Lintian::Tutorial::TestSuite -- Quick intro to running the Lintian testsuite
 * Lintian::Tutorial::WritingChecks -- Writing checks for Lintian
 * Lintian::Tutorial::WritingTests -- Short tutorial on writing tests
 * Lintian::Util - Lintian utility functions
 * linux-update-symlinks - maintain symlinks to default kernel and initramfs
 * lmtp (8postfix) - Postfix SMTP+LMTP client
 * ln - make links between files
 * memcache_table - Postfix memcache client configuration
 * minisat - fast and lightweight SAT solver
 * mkisofs - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * Mojo::IOLoop::Client (3pm)- Non-blocking TCP/IP and UNIX domain socket client
 * mysql - the MySQL command-line client
 * mysqlslap - a load emulation client
 * Net::DBus::Binding::Connection (3pm)- A connection between client and server
 * Net::DBus::Binding::PendingCall (3pm)- A handler for pending method replies
 * Net::DBus::Service (3pm)- Provide a service to the bus for clients to use
 * Net::HTTP (3pm) - Low-level HTTP connection (client)
 * Net::HTTP::NB (3pm) - Non-blocking HTTP client
 * Net::HTTPS (3pm) - Low-level HTTP over SSL/TLS connection (client)
 * networkctl - Query the status of network links
 * nisplus_table - Postfix NIS+ client
 * nmblookup - NetBIOS over TCP/IP client used to lookup NetBIOS names
 * openssl-c_rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-s_client (1ssl)- SSL/TLS client program
 * openssl-ts (1ssl) - Time Stamping Authority tool (client/server)
 * openssl-tsget (1ssl)- Time Stamping HTTP/HTTPS client
 * pinky - lightweight finger
 * pkcon - PackageKit console client
 * pkmon - PackageKit console client
 * ppmrelief - run a Laplacian relief filter on a portable pixmap
 * pulse-client.conf - PulseAudio client configuration file
 * readlink - print resolved symbolic links or canonical file names
 * rehash (1ssl) - Create symbolic links to files named by the hash values
 * rhythmbox-client - controls a running instance of rhythmbox
 * rlogin - OpenSSH remote login client
 * rpcclient - tool for executing client side MS-RPC functions
 * rsh - OpenSSH remote login client
 * rstart - a sample implementation of a Remote Start client
 * rtmpdump - RTMP streaming media client
 * s_client (1ssl) - SSL/TLS client program
 * sessreg - manage utmpx/wtmpx entries for non-init clients
 * slick-greeter - distro agnostic LightDM greeter
 * slick-greeter-check-hidpi - distro agnostic LightDM greeter
 * sln - create symbolic links
 * slogin - OpenSSH remote login client
 * smbclient - ftp-like client to access SMB/CIFS resources on servers
 * smbinfo - Userspace helper to display SMB-specific file information for the ...
 * smtp (8postfix) - Postfix SMTP+LMTP client
 * socketmap_table - Postfix socketmap table lookup client
 * spellintian - simple spellchecker based on Lintian's data files
 * ssh - OpenSSH remote login client
 * ssh_config - OpenSSH client configuration file
 * stream - a lightweight tool to stream one or more pixel components of the i...
 * stream-im6 - a lightweight tool to stream one or more pixel components of the i...
 * stream-im6.q16 - a lightweight tool to stream one or more pixel components of the i...
 * Struct::Dumb (3pm) - make simple lightweight record-like structures
 * systemd-backlight - Load and save the display backlight brightness at boot and shutdown
 * systemd-backlight@.service - Load and save the display backlight brightness at boot a...
 * tc-etf - Earliest TxTime First (ETF) Qdisc
 * tcp_table - Postfix client/server table lookup protocol
 * Test::Lintian -- Check Lintian files for issues
 * Test::Lintian::Build -- routines to prepare the work directories
 * Test::Lintian::ConfigFile -- generic helper routines for colon-delimited configurati...
 * Test::Lintian::Filter -- Functions to select with tests to run
 * Test::Lintian::Helper -- Helper functions for various testing parts
 * Test::Lintian::Hooks -- hook routines for the test runners
 * Test::Lintian::Prepare -- routines to prepare the work directories
 * Test::Lintian::Run -- generic runner for all suites
 * Test::Lintian::Templates -- Helper routines dealing with templates
 * thunderbird - thunderbird- Mail User Agent (MUA) and newsgroup/RSS client for X...
 * tificc - little cms ICC profile applier for TIFF.
 * tipc-link - show links or modify link properties
 * transmission-gtk - a bittorrent client
 * ts (1ssl) - Time Stamping Authority tool (client/server)
 * tsget (1ssl) - Time Stamping HTTP/HTTPS client
 * udplite - Lightweight User Datagram Protocol
 * update-alternatives - maintain symbolic links determining default commands
 * update-rc.d - install and remove System-V style init script links
 * wpa_cli - WPA command line client
 * wpa_supplicant - Wi-Fi Protected Access client and IEEE 802.1X supplicant
 * X11::Protocol::Connection (3pm)- Perl module abstract base class for X11 client to serve...
 * xclipboard - X clipboard client
 * XCompose - X client mappings for multi-key input sequences
 * xkill - kill a client by its X resource
 * xlsclients - list client applications running on a display
 * XML::LibXML (3pm) - Perl Binding for libxml2
 * XML::LibXML::Pattern (3pm)- XML::LibXML::Pattern- interface to libxml2 XPath patterns
 * XML::LibXML::Reader (3pm)- XML::LibXML::Reader- interface to libxml2 pull parser
 * XML::LibXML::RegExp (3pm)- XML::LibXML::RegExp- interface to libxml2 regular expressions
 * XML::LibXML::XPathExpression (3pm)- XML::LibXML::XPathExpression- interface to libxml2 ...
 * IO::Async::Channel (3pm)- pass values into or out from an IO::Async::Routine
 * IO::Async::Handle (3pm)- event callbacks for a non-blocking file descriptor
 * IO::Async::Listener (3pm)- listen on network sockets for incoming connections
 * IO::Async::LoopTests (3pm)- acceptance testing for IO::Async::Loop subclasses
 * IO::Async::PID (3pm)- event callback on exit of a child process
 * IO::Async::Protocol::LineStream (3pm)- stream-based protocols using lines of text
 * IO::Async::Resolver (3pm)- performing name resolutions asynchronously
 * IO::Async::Routine (3pm)- execute code in an independent sub-process or thread
 * interfaces - network interface configuration for ifup and ifdown
 * 30-systemd-environment-d-generator - Load variables specified by environment.d
 * 7z - A file archiver with high compression ratio format
 * 7za - A file archiver with high compression ratio format
 * 7zr - A file archiver with high compression ratio format
 * apparmor - kernel enhancement to confine programs to a limited set of resources.
 * bpf-helpers - list of eBPF helper functions
 * Clone (3pm) - recursively copy Perl datatypes
 * Compose - X client mappings for multi-key input sequences
 * Error (3pm) - Error/exception handling in an OO-ish way
 * _newselect - synchronous I/O multiplexing
 * FD_CLR - synchronous I/O multiplexing
 * Font::TTF::Woff (3pm)- holds Web Open Font File (WOFF) data for the font
 * Git (3pm) - Perl interface to the Git version control system
 * HEAD (1p) - Simple command line user agent
 * MAKEDEV - create devices
 * x-window-manager - minimal GTK3 Window Manager
 * metacity-message - a command to send a message to Metacity
 * muffin - Clutter based compositing GTK2 Window Manager
 * muffin-message - a command to send a message to Muffin
 * Mail - send and receive mail
 * neofetch - A fast, highly customizable system info script
 * optipng - Optimize Portable Network Graphics files
 * pinta - simple image editor
 * pix - an image viewer and browser
 * RAND (7ssl) - the OpenSSL random generator
 * URI (3pm) - Uniform Resource Identifiers (absolute and relative)
 * [ - check file types and compare values
 * _Exit - terminate the calling process
 * __clone2 - create a child process
 * __fpending - interfaces to stdio FILE structure
 * __ppc_get_timebase - get the current value of the Time Base Register on Power archite...
 * __ppc_get_timebase_freq - get the current value of the Time Base Register on Power ar...
 * _exit - terminate the calling process
 * _sysctl - read/write system parameters
 * a2enconf - enable or disable an apache2 configuration file
 * a64l - convert between long and base-64
 * aa-enabled - test whether AppArmor is enabled
 * aa-exec - confine a program with the specified AppArmor profile
 * aa-remove-unknown - remove unknown AppArmor profiles
 * aa-status - display various information about the current AppArmor policy.
 * aa-teardown - unload all AppArmor profiles
 * abcde - Grab an entire CD and compress it to Ogg/Vorbis, MP3, FLAC, Ogg/Sp...
 * abort - cause abnormal process termination
 * ac - print statistics about users' connect time
 * accept - accept a connection on a socket
 * accept4 - accept a connection on a socket
 * access - check user's permissions for a file
 * access - Postfix SMTP server access table
 * access.conf - the login access control table file
 * accessdb - dumps the content of a man-db database in a human readable format
 * aconnect - ALSA sequencer connection manager
 * acos - arc cosine function
 * acosf - arc cosine function
 * acosh - inverse hyperbolic cosine function
 * acoshf - inverse hyperbolic cosine function
 * acoshl - inverse hyperbolic cosine function
 * acosl - arc cosine function
 * acpi_listen - ACPI event listener
 * acpid - Advanced Configuration and Power Interface event daemon
 * acyclic - make directed graph acyclic
 * add-apt-key - Command line tool to add GPG keys to the APT keyring
 * add-apt-repository - Adds a repository into the /etc/apt/sources.list or /etc/apt/sou...
 * add-shell - add shells to the list of valid login shells
 * add_key - add a key to the kernel's key management facility
 * addpart - tell the kernel about the existence of a partition
 * addr2line - convert addresses into file names and line numbers
 * addseverity - introduce new severity classes
 * adduser.conf - configuration file for adduser and addgroup.
 * adjtime_config - information about hardware clock setting and drift factor
 * adjtimex - tune kernel clock
 * afs_syscall - unimplemented system calls
 * aio_cancel - cancel an outstanding asynchronous I/O request
 * aio_suspend - wait for asynchronous I/O operation or timeout
 * aliases - Postfix local alias database format
 * Alien::Package::Lsb (3pm)- an object that represents a lsb package
 * aligned_alloc - allocate aligned memory
 * alloc_hugepages - allocate or free huge pages
 * alloca - allocate memory that is automatically freed
 * alphasort - scan a directory for matching entries
 * alsa-info - command-line utility to gather information about the ALSA subsystem
 * alsabat - command-line sound tester for ALSA sound card driver
 * alsactl - advanced controls for ALSA soundcard driver
 * alsaloop - command-line PCM loopback
 * alsamixer - soundcard mixer for ALSA soundcard driver, with ncurses interface
 * alsatplg - ALSA Topology Compiler
 * amidi - read from and write to ALSA RawMIDI ports
 * amixer - command-line mixer for ALSA soundcard driver
 * anacron - runs commands periodically
 * animate - animates an image or image sequence on any X server.
 * animate-im6 - animates an image or image sequence on any X server.
 * animate-im6.q16 - animates an image or image sequence on any X server.
 * anvil (8postfix) - Postfix session count and request rate control
 * apache2 - Apache Hypertext Transfer Protocol Server
 * apg - generates several random passwords
 * aplay - command-line sound recorder and player for ALSA soundcard driver
 * aplaymidi - play Standard MIDI Files
 * apparmor.d - syntax of security profiles for AppArmor.
 * apparmor.vim - vim syntax highlighting file for AppArmor profiles
 * apparmor_parser - loads AppArmor profiles into the kernel
 * apparmor_status - display various information about the current AppArmor policy.
 * appstreamcli - Handle AppStream metadata formats and query AppStream data
 * apropos - search the manual page names and descriptions
 * apt - command-line interface
 * apt-add-repository - Adds a repository into the /etc/apt/sources.list or /etc/apt/sou...
 * apt-clone - manual page for apt-clone 0.2
 * apt-extracttemplates - Utility to extract debconf config and templates from Debian pa...
 * apt-ftparchive - Utility to generate index files
 * apt-get - APT package handling utility-- command-line interface
 * apt-mark - show, set and unset various settings for a package
 * apt-patterns - Syntax and semantics of apt search patterns
 * apt-sortpkgs - Utility to sort package index files
 * apt-transport-http - APT transport for downloading via the Hypertext Transfer Protoco...
 * apt-transport-https - APT transport for downloading via the HTTP Secure protocol (HTTPS)
 * apt-transport-mirror - APT transport for more automated mirror selection
 * apt_auth.conf - Login configuration file for APT sources and proxies
 * aptd - package managing daemon proving a D-Bus interface
 * aptdcon - command line client for aptdaemon
 * aptitude-create-state-bundle - bundle the current aptitude state
 * aptitude-run-state-bundle - unpack an aptitude state bundle and invoke aptitude on it
 * AptPkg::hash (3pm) - a helper class for implementing tied hashes
 * ar - create, modify, and extract from archives
 * arch - print machine hardware name (same as uname-m)
 * arch_prctl - set architecture-specific thread state
 * Archive::Cpio (3pm) - module for manipulations of cpio archives
 * Archive::Zip::MemberRead (3pm)- A wrapper that lets you read Zip archive members as if t...
 * arecord - command-line sound recorder and player for ALSA soundcard driver
 * arecordmidi - record Standard MIDI Files
 * argz - functions to handle an argz list
 * argz_add - functions to handle an argz list
 * argz_add_sep - functions to handle an argz list
 * argz_append - functions to handle an argz list
 * argz_count - functions to handle an argz list
 * argz_create - functions to handle an argz list
 * argz_create_sep - functions to handle an argz list
 * argz_delete - functions to handle an argz list
 * argz_extract - functions to handle an argz list
 * argz_insert - functions to handle an argz list
 * argz_next - functions to handle an argz list
 * argz_replace - functions to handle an argz list
 * argz_stringify - functions to handle an argz list
 * arm2hpdl - Add HP download header/trailer to an ARM ELF binary.
 * armscii-8 - Armenian character set encoded in octal, decimal, and hexadecimal
 * arp - Linux ARP kernel module.
 * arpd - userspace arp daemon.
 * arping - send ARP REQUEST to a neighbour host
 * arptables-nft - ARP table administration (nft-based)
 * ascii - ASCII character set encoded in octal, decimal, and hexadecimal
 * asctime - transform date and time to broken-down time or ASCII
 * asctime_r - transform date and time to broken-down time or ASCII
 * aseqnet - ALSA sequencer connectors over network
 * asin - arc sine function
 * asinf - arc sine function
 * asinh - inverse hyperbolic sine function
 * asinhf - inverse hyperbolic sine function
 * asinhl - inverse hyperbolic sine function
 * asinl - arc sine function
 * asn1parse (1ssl) - ASN.1 parsing tool
 * asprintf - print to allocated string
 * assert_perror - test errnum and abort
 * asymmetric-key - Kernel key type for holding asymmetric keys
 * atexit - register a function to be called at normal process termination
 * atktopbm - convert Andrew Toolkit raster object to portable bitmap
 * atobm - bitmap editor and converter utilities for the X Window System
 * attr - extended attributes on filesystem objects
 * attr - Extended attributes
 * auth_destroy - library routines for remote procedure calls
 * Authen::SASL (3pm) - SASL Authentication framework
 * Authen::SASL::Perl (3pm)-- Perl implementation of the SASL Authentication framework
 * Authen::SASL::Perl::ANONYMOUS (3pm)- Anonymous Authentication class
 * Authen::SASL::Perl::CRAM_MD5 (3pm)- CRAM MD5 Authentication class
 * Authen::SASL::Perl::DIGEST_MD5 (3pm)- Digest MD5 Authentication class
 * Authen::SASL::Perl::EXTERNAL (3pm)- External Authentication class
 * Authen::SASL::Perl::GSSAPI (3pm)- GSSAPI (Kerberosv5) Authentication class
 * Authen::SASL::Perl::LOGIN (3pm)- Login Authentication class
 * Authen::SASL::Perl::PLAIN (3pm)- Plain Login Authentication class
 * authnone_create - library routines for remote procedure calls
 * authunix_create - library routines for remote procedure calls
 * authunix_create_default - library routines for remote procedure calls
 * autoconf - Generate configuration scripts
 * autom4te - Generate files and scripts thanks to M4
 * automake - manual page for automake 1.16.1
 * automake-1.16 - manual page for automake 1.16.1
 * autopoint - copies standard gettext infrastructure
 * autoreconf - Update generated configuration files
 * autoscan - Generate a preliminary configure.in
 * autoupdate - Update a configure.in to a newer Autoconf
 * avahi-autoipd - IPv4LL network address configuration daemon
 * avahi-browse - Browse for mDNS/DNS-SD services using the Avahi daemon
 * avahi-browse-domains - Browse for mDNS/DNS-SD services using the Avahi daemon
 * avahi-daemon - The Avahi mDNS/DNS-SD daemon
 * avahi-daemon.conf - avahi-daemon configuration file
 * avahi-publish - Register an mDNS/DNS-SD service or host name or address mapping us...
 * avahi-publish-address - Register an mDNS/DNS-SD service or host name or address mappi...
 * avahi-publish-service - Register an mDNS/DNS-SD service or host name or address mappi...
 * avahi-resolve - Resolve one or more mDNS/DNS host name to IP address(es) (and v...
 * avahi-resolve-address - Resolve one or more mDNS/DNS host name to IP address(es) (...
 * avahi-resolve-host-name - Resolve one or more mDNS/DNS host name to IP address(es)...
 * avahi-set-host-name - Change mDNS host name
 * avahi.hosts - avahi-daemon static host name file
 * avahi.service - avahi-daemon static service file
 * awk - pattern scanning and processing language
 * axfer - command-line sound recorder and player for sound devices and nodes...
 * axfer-list - dump lists of available sound devices and nodes to transfer audio ...
 * axfer-transfer - transferrer of audio data frame for sound devices and nodes.
 * b2sum - compute and check BLAKE2 message digest
 * B::Hooks::EndOfScope (3pm)- Execute code after a scope finished compilation
 * B::Hooks::EndOfScope::PP (3pm)- Execute code after a scope finished compilation- PP imp...
 * B::Hooks::EndOfScope::XS (3pm)- Execute code after a scope finished compilation- XS imp...
 * backend - cups backend transmission interfaces
 * base32 - base32 encode/decode data and print to standard output
 * base64 - base64 encode/decode data and print to standard output
 * basename - strip directory and suffix from filenames
 * basename - parse pathname components
 * bash - GNU Bourne-Again SHell
 * bash-builtins - bash built-in commands, see bash
 * bcmp - compare byte sequences
 * bcomps - biconnected components filter for graphs
 * bdflush - start, flush, or tune buffer-dirty-flush daemon
 * bdftopcf - convert X font from Bitmap Distribution Format to Portable Compile...
 * bdftruncate - generate truncated BDF font from ISO 10646-1-encoded BDF font
 * be16toh - convert values between host and big-/little-endian byte order
 * be32toh - convert values between host and big-/little-endian byte order
 * be64toh - convert values between host and big-/little-endian byte order
 * bind - bind a name to a socket
 * bind_textdomain_codeset - set encoding of message translations
 * bindresvport - bind a socket to a privileged IP port
 * bindtextdomain - set directory containing message catalogs
 * binfmt.d - Configure additional binary formats for executables at boot
 * biosdecode - BIOS information decoder
 * bison - GNU Project parser generator (yacc replacement)
 * bison.yacc - GNU Project parser generator
 * bitmap - bitmap editor and converter utilities for the X Window System
 * blkid - locate/print block device attributes
 * blkzone - run zone command on a device
 * blockdev - call block device ioctls from the command line
 * bluetooth-sendto - GTK application for transferring files over Bluetooth
 * bluetoothd - Bluetooth daemon
 * bmtoa - bitmap editor and converter utilities for the X Window System
 * body_checks - Postfix built-in content inspection
 * boltctl - control the thunderbolt device manger
 * boltd - thunderbolt device managing system daemon
 * bootctl - Control the firmware and boot manager settings
 * bootparam - introduction to boot time parameters of the Linux kernel
 * bounce - Postfix bounce message template format
 * bounce (8postfix) - Postfix delivery status reports
 * bpf - perform a command on an extended BPF map or program
 * break - unimplemented system calls
 * bridge - show / manipulate bridge addresses and devices
 * bsd-from - print names of those who have sent mail
 * bsd-mailx - send and receive mail
 * bsd-write - send a message to another user
 * bsd_signal - signal handling with BSD semantics
 * bt-network - a bluetooth network manager
 * btmgmt - A command-line interface of BlueZ for management Usage:
 * btmon - Bluetooth monitor
 * btrfs - topics about the BTRFS filesystem (mount options, supported file a...
 * btrfs-filesystem - command group that primarily does work on the whole filesystems
 * btrfs-find-root - filter to find btrfs root
 * btrfs-inspect-internal - query various internal information
 * btrfs-receive - receive subvolumes from send stream
 * btrfs-send - generate a stream of changes between two subvolume snapshots
 * btrfs-subvolume - manage btrfs subvolumes
 * btrfstune - tune various filesystem parameters
 * builtins - bash built-in commands, see bash
 * bwrap - container setup utility
 * byteorder - convert values between host and network byte order
 * bzcmp - compare bzip2 compressed files
 * bzdiff - compare bzip2 compressed files
 * c++ - GNU project C and C++ compiler
 * c++filt - demangle C++ and Java symbols
 * c89 - ANSI (1989) C compiler
 * c89-gcc - ANSI (1989) C compiler
 * c99 - ANSI (1999) C compiler
 * c99-gcc - ANSI (1999) C compiler
 * c_rehash (1ssl) - Create symbolic links to files named by the hash values
 * ca (1ssl) - sample minimal CA application
 * CA.pl (1ssl) - friendlier interface for OpenSSL certificate programs
 * cabextract - program to extract files from Microsoft cabinet (.cab) archives
 * cacademo - libcaca's demonstration applications
 * cacafire - libcaca's demonstration applications
 * cacaserver - telnet server for libcaca
 * cacheflush - flush contents of instruction and/or data cache
 * cacos - complex arc cosine
 * cacosf - complex arc cosine
 * cacosh - complex arc hyperbolic cosine
 * cacoshf - complex arc hyperbolic cosine
 * cacoshl - complex arc hyperbolic cosine
 * cacosl - complex arc cosine
 * Cairo (3pm) - Perl interface to the cairo 2d vector graphics library
 * cal - displays a calendar and the date of Easter
 * calcurse - terminal-based organizer for interactive and command line use
 * calendar - reminder service
 * calloc - allocate and free dynamic memory
 * callrpc - library routines for remote procedure calls
 * canberra-gtk-play - play a sound event
 * canonical - Postfix canonical table format
 * canonicalize_file_name - return the canonicalized absolute pathname
 * captoinfo - convert a termcap description into a terminfo description
 * Capture::Tiny (3pm) - Capture STDOUT and STDERR from Perl, XS or external programs
 * casin - complex arc sine
 * casinf - complex arc sine
 * casinh - complex arc sine hyperbolic
 * casinhf - complex arc sine hyperbolic
 * casinhl - complex arc sine hyperbolic
 * casinl - complex arc sine
 * cat - concatenate files and print on the standard output
 * catclose - open/close a message catalog
 * catgets - get message from a message catalog
 * catman - create or update the pre-formatted manual pages
 * catopen - open/close a message catalog
 * cc - GNU project C and C++ compiler
 * ccomps - connected components filter for graphs
 * ccos - complex cosine function
 * ccosf - complex cosine function
 * ccosh - complex hyperbolic cosine
 * ccoshf - complex hyperbolic cosine
 * ccoshl - complex hyperbolic cosine
 * ccosl - complex cosine function
 * cd-discid - read CD and get CDDB discid information
 * cddb-tool - Get CDDB information
 * cdparanoia - an audio CD reading utility which includes extra data verification...
 * cdrecord - write data to optical disk media
 * cdw - front-end for cdrecord, mkisofs, growisofs, mkudffs and other tools
 * celluloid - A simple GTK+ frontend for mpv
 * cexp - complex exponential function
 * cexp2 - base-2 exponent of a complex number
 * cexp2f - base-2 exponent of a complex number
 * cexp2l - base-2 exponent of a complex number
 * cexpf - complex exponential function
 * cexpl - complex exponential function
 * cfdisk - display or manipulate a disk partition table
 * cfgetispeed - get and set terminal attributes, line control, get and set baud rate
 * cfgetospeed - get and set terminal attributes, line control, get and set baud rate
 * cfmakeraw - get and set terminal attributes, line control, get and set baud rate
 * cfree - free allocated memory
 * cfsetispeed - get and set terminal attributes, line control, get and set baud rate
 * cfsetospeed - get and set terminal attributes, line control, get and set baud rate
 * cfsetspeed - get and set terminal attributes, line control, get and set baud rate
 * cgdisk - Curses-based GUID partition table (GPT) manipulator
 * CGI (3pm) - Handle Common Gateway Interface requests and responses
 * CGI::Carp (3pm) - CGI routines for writing to the HTTPD (or other) error log
 * CGI::Pretty (3pm) - module to produce nicely formatted HTML code
 * cgroup_namespaces - overview of Linux cgroup namespaces
 * chage - change user password expiry information
 * chardet3 - universal character encoding detector
 * chardetect3 - universal character encoding detector
 * charmap - Unicode character picker and font browser
 * charsets - character set standards and internationalization
 * chat - Automated conversational script with a modem
 * chfn - change real user name and information
 * chgpasswd - update group passwords in batch mode
 * chgrp - change group ownership
 * chmod - change permissions of a file
 * choom - display and adjust OOM-killer score.
 * chown - change file owner and group
 * chown - change ownership of a file
 * chown32 - change ownership of a file
 * chpasswd - update passwords in batch mode
 * chronic - runs a command quietly unless it fails
 * chroot - run command or interactive shell with special root directory
 * chsh - change login shell
 * chvt - change foreground virtual terminal
 * cidr_table - format of Postfix CIDR tables
 * cifs.idmap - Userspace helper for mapping ids for Common Internet File System (...
 * cifs.upcall - Userspace upcall helper for Common Internet File System (CIFS)
 * cifscreds - manage NTLM credentials in kernel keyring
 * cifsdd - convert and copy a file over SMB
 * cimag - get imaginary part of a complex number
 * cimagf - get imaginary part of a complex number
 * cimagl - get imaginary part of a complex number
 * cinnamon - desktop
 * cinnamon-launcher - Start or restart a cinnamon session
 * cinnamon-menu-editor - Editor for the panel menu
 * cinnamon-session - Start the GNOME desktop environment
 * cinnamon-session-quit - End the current GNOME session
 * cinnamon-settings - Configuration panel for cinnamon
 * cinnamon2d - desktop
 * ciphers (1ssl) - SSL cipher display and cipher list tool
 * ciptool - Bluetooth Common ISDN Access Profile (CIP)
 * CIRCLEQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail que...
 * CIRCLEQ_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail qu...
 * CIRCLEQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queu...
 * CIRCLEQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queu...
 * CIRCLEQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * cjpeg - compress an image file to a JPEG file
 * ckbcomp - compile a XKB keyboard description to a keymap suitable for loadke...
 * cksum - checksum and count the bytes in a file
 * Class::Accessor (3pm)- Automated accessor generation
 * Class::Accessor::Fast (3pm)- Faster, but less expandable, accessors
 * Class::Accessor::Faster (3pm)- Even faster, but less expandable, accessors
 * Class::XSAccessor (3pm)- Generate fast XS accessors without runtime compilation
 * Class::XSAccessor::Array (3pm)- Generate fast XS accessors without runtime compilation
 * cleanup (8postfix) - canonicalize and enqueue Postfix message
 * clear - clear the terminal screen
 * clearenv - clear the environment
 * clearerr - check and reset stream status
 * cli - Mono's ECMA-CLI native code generator (Just-in-Time and Ahead-of-T...
 * clnt_broadcast - library routines for remote procedure calls
 * clnt_call - library routines for remote procedure calls
 * clnt_control - library routines for remote procedure calls
 * clnt_create - library routines for remote procedure calls
 * clnt_destroy - library routines for remote procedure calls
 * clnt_freeres - library routines for remote procedure calls
 * clnt_geterr - library routines for remote procedure calls
 * clnt_pcreateerror - library routines for remote procedure calls
 * clnt_perrno - library routines for remote procedure calls
 * clnt_perror - library routines for remote procedure calls
 * clnt_spcreateerror - library routines for remote procedure calls
 * clnt_sperrno - library routines for remote procedure calls
 * clnt_sperror - library routines for remote procedure calls
 * clntraw_create - library routines for remote procedure calls
 * clnttcp_create - library routines for remote procedure calls
 * clntudp_bufcreate - library routines for remote procedure calls
 * clntudp_create - library routines for remote procedure calls
 * clock - determine processor time
 * clock_getres - clock and time functions
 * clock_getres - clock and time functions
 * clock_gettime - clock and time functions
 * clock_gettime - clock and time functions
 * clock_nanosleep - high-resolution sleep with specifiable clock
 * clock_settime - clock and time functions
 * clock_settime - clock and time functions
 * clone - create a child process
 * clone2 - create a child process
 * clone3 - create a child process
 * closelog - send messages to the system logger
 * cluster - find clusters in a graph and augment the graph with this information.
 * cmuwmtopbm - convert a CMU window manager bitmap into a portable bitmap
 * col - filter reverse line feeds from input
 * colorit - a script for markuping the text input
 * colormgr - Color Manager Testing Tool
 * colrm - remove columns from a file
 * combine - combine sets of lines from two files using boolean operations
 * combinediff - create a cumulative unified patch from two incremental patches
 * comm - compare two sorted files line by line
 * common::sense (3pm) - save a tree AND a kitten, use common::sense!
 * compare - mathematically and visually annotate the difference between an ima...
 * compare-im6 - mathematically and visually annotate the difference between an ima...
 * compare-im6.q16 - mathematically and visually annotate the difference between an ima...
 * complex - basics of complex mathematics
 * composite - overlaps one image over another.
 * composite-im6 - overlaps one image over another.
 * composite-im6.q16 - overlaps one image over another.
 * config (5ssl) - OpenSSL CONF library configuration files
 * config.sub - validate and canonicalize a configuration triplet
 * confstr - get configuration dependent string variables
 * conjure - interprets and executes scripts written in the Magick Scripting La...
 * conjure-im6 - interprets and executes scripts written in the Magick Scripting La...
 * conjure-im6.q16 - interprets and executes scripts written in the Magick Scripting La...
 * connect - initiate a connection on a socket
 * tc-connmark - netfilter connmark retriever action
 * console_codes - Linux console escape and control sequences
 * console_ioctl - ioctls for console terminal and virtual consoles
 * convert - convert between image formats as well as resize an image, blur, cr...
 * convert-im6 - convert between image formats as well as resize an image, blur, cr...
 * convert-im6.q16 - convert between image formats as well as resize an image, blur, cr...
 * copy_file_range - Copy a range of data from one file to another
 * coredump.conf - Core dump storage configuration files
 * coredump.conf.d - Core dump storage configuration files
 * coredumpctl - Retrieve and process saved core dumps and metadata
 * corelist - a commandline frontend to Module::CoreList
 * cos - cosine function
 * cosf - cosine function
 * cosh - hyperbolic cosine function
 * coshf - hyperbolic cosine function
 * coshl - hyperbolic cosine function
 * cosl - cosine function
 * cp - copy files and directories
 * cp1251 - CP 1251 character set encoded in octal, decimal, and hexadecimal
 * cp1252 - CP 1252 character set encoded in octal, decimal, and hexadecimal
 * cpan - easily interact with CPAN from the command line
 * cpan5.30-i386-linux-gnu - easily interact with CPAN from the command line
 * cpan5.30-x86_64-linux-gnu - easily interact with CPAN from the command line
 * Cpanel::JSON::XS (3pm)- cPanel fork of JSON::XS, fast and correct serializing
 * Cpanel::JSON::XS::Boolean (3pm)- true and false values
 * Cpanel::JSON::XS::Type (3pm)- Type support for JSON encode
 * cpanel_json_xs (1p) - Cpanel::JSON::XS commandline utility
 * cpgr - copy with locking the given file to the password or group file
 * cpio - copy files to and from archives
 * cpio-filter (1p) - transform a cpio archive
 * cppw - copy with locking the given file to the password or group file
 * cproj - project into Riemann Sphere
 * cprojf - project into Riemann Sphere
 * cprojl - project into Riemann Sphere
 * CPU_AND - macros for manipulating CPU sets
 * CPU_AND_S - macros for manipulating CPU sets
 * CPU_CLR - macros for manipulating CPU sets
 * CPU_CLR_S - macros for manipulating CPU sets
 * cpuset - confine processes to processor and memory node subsets
 * cracklib-check - Check passwords using libcrack2
 * cracklib-format - cracklib dictionary utilities
 * cracklib-packer - cracklib dictionary utilities
 * cracklib-unpacker - cracklib dictionary utilities
 * crda - send to the kernel a wireless regulatory domain for a given ISO / ...
 * creal - get real part of a complex number
 * crealf - get real part of a complex number
 * creall - get real part of a complex number
 * creat - open and possibly create a file
 * create-cracklib-dict - Check passwords using libcrack2
 * crl2pkcs7 (1ssl) - Create a PKCS#7 structure from a CRL and certificates
 * cron - daemon to execute scheduled commands (Vixie Cron)
 * crontab - maintain crontab files for individual users (Vixie Cron)
 * crypt - passphrase hashing
 * crypt - storage format for hashed passphrases and available hashing methods
 * crypt_gensalt - encode settings for passphrase hashing
 * crypt_gensalt_ra - encode settings for passphrase hashing
 * crypt_gensalt_rn - encode settings for passphrase hashing
 * crypt_r - passphrase hashing
 * crypt_ra - passphrase hashing
 * crypt_rn - passphrase hashing
 * cryptdisks_start - wrapper around cryptsetup that parses /etc/crypttab.
 * cryptdisks_stop - wrapper around cryptsetup that parses /etc/crypttab.
 * crypto (7ssl) - OpenSSL cryptographic library
 * cryptsetup - manage plain dm-crypt and LUKS encrypted volumes
 * cryptsetup-reencrypt - tool for offline LUKS device re-encryption
 * crypttab - static information about encrypted filesystems
 * csin - complex sine function
 * csinf - complex sine function
 * csinh - complex hyperbolic sine
 * csinhf - complex hyperbolic sine
 * csinhl - complex hyperbolic sine
 * csinl - complex sine function
 * csplit - split a file into sections determined by context lines
 * csscapture - Downloads CSS stylesheets.
 * csscapture_py3 - Downloads CSS stylesheets.
 * csscombine - Utility to combine several stylesheets into one.
 * csscombine_py3 - Utility to combine several stylesheets into one.
 * cssparse - A CSS parser.
 * cssparse_py3 - A CSS parser.
 * ct (7ssl) - Certificate Transparency
 * ctermid - get controlling terminal name
 * ctime - transform date and time to broken-down time or ASCII
 * ctime_r - transform date and time to broken-down time or ASCII
 * ctstat - unified linux network statistics
 * cups - a standards-based, open source printing system
 * cups-browsed - A daemon for browsing the Bonjour broadcasts of shared, remote CUP...
 * cups-deviced - cupsd helper programs (deprecated)
 * cups-driverd - cupsd helper programs (deprecated)
 * cups-exec - cupsd helper programs (deprecated)
 * cups-files.conf - file and directory configuration file for cups
 * cups-lpd - receive print jobs and report printer status to lpd clients (depre...
 * cups-snmp - cups snmp backend (deprecated)
 * cupsctl - configure cupsd.conf options
 * cupsd-helper - cupsd helper programs (deprecated)
 * cupsd-logs - cupsd log files (access_log, error_log, and page_log)
 * cupsdisable - stop/start printers and classes
 * cupsenable - stop/start printers and classes
 * cupsfilter - convert a file to another format using cups filters (deprecated)
 * curl - transfer a URL
 * cuserid - get username
 * cut - remove sections from each line of files
 * cvt - calculate VESA CVT mode lines
 * cvtsudoers - convert between sudoers file formats
 * daemon - run in the background
 * daemon - Writing and packaging system daemons
 * dash - command interpreter (shell)
 * Data::Dump::Trace (3pm)- Helpers to trace function and method calls
 * date - print or set the system date and time
 * Date::Format (3pm) - Date formating subroutines
 * Date::Language (3pm)- Language specific date formating and parsing
 * Date::Language::Bulgarian (3pm)- localization for Date::Format
 * Date::Language::Hungarian (3pm)- Magyar format for Date::Format
 * Date::Parse (3pm) - Parse date strings into time values
 * daylight - initialize time conversion information
 * dbopen - database access methods
 * dbus-daemon - Message bus daemon
 * dbus-launch - Utility to start a message bus from a shell script
 * dbus-monitor - debug probe to print message bus messages
 * dbus-run-session - start a process as a new D-Bus session
 * dbus-send - Send a message to a message bus
 * dbus-update-activation-environment - update environment used for D-Bus session services
 * dbus-uuidgen - Utility to generate UUIDs
 * dcgettext - translate message
 * dcngettext - translate message and choose plural form
 * dcparse - Extract embedded thumbnail image and print CIFF/TIFF data to screen
 * dcraw - command-line decoder for raw digital photos
 * dd - convert and copy a file
 * deallocvt - deallocate unused virtual consoles
 * deb - Debian binary package format
 * deb-buildinfo - Debian build information file format
 * deb-changelog - dpkg source packages' changelog file format
 * deb-changes - Debian changes file format
 * deb-control - Debian binary packages' master control file format
 * deb-old - old style Debian binary package format
 * deb-origin - Vendor-specific information files
 * deb-postinst - package post-installation maintainer script
 * deb-postrm - package post-removal maintainer script
 * deb-preinst - package pre-installation maintainer script
 * deb-prerm - package pre-removal maintainer script
 * deb-shlibs - Debian shared library information file
 * deb-split - Debian multi-part binary package format
 * deb-src-control - Debian source packages' master control file format
 * deb-src-files - Debian distribute files format
 * deb-symbols - Debian's extended shared library information file
 * deb-systemd-helper (1p)- subset of systemctl for machines not running systemd
 * deb-systemd-invoke (1p)- wrapper around systemctl, respecting policy-rc.d
 * deb-version - Debian package version number format
 * deb822 - Debian RFC822 control data format
 * debconf-escape - helper when working with debconf's escape capability
 * debconf-set-selections - insert new values into the debconf database
 * debhelper - the debhelper tool suite
 * debhelper-obsolete-compat - List of no longer supported compat levels
 * Debian::DictionariesCommon (3pm)- dictionaries-common library
 * DebianNet - create, remove, enable or disable entry in /etc/inetd.
 * debugedit - Debuginfo editing helper
 * default.pa - PulseAudio Sound Server Startup Script
 * defer (8postfix) - Postfix delivery status reports
 * defined - a library for working with MaxMind DB files
 * delaunay - constructs the constrained Delaunay triangulation of the input
 * delete_module - unload a kernel module
 * delpart - tell the kernel to forget about a partition
 * deluser.conf - configuration file for deluser and delgroup.
 * delv - DNS lookup and validation utility
 * depmod - Generate modules.dep and map files.
 * des_modes (7ssl) - the variants of DES and other crypto algorithms of OpenSSL
 * des_setparity - fast DES encryption
 * desktop-file-edit - Installation and edition of desktop files
 * desktop-file-install - Installation and edition of desktop files
 * devdump - Utility programs for dumping and verifying iso9660 images.
 * Devel::CallChecker (3pm)- custom op checking attached to subroutines
 * Devel::Size (3pm) - Perl extension for finding the memory usage of Perl variables
 * Devel::TypeTiny::Perl56Compat (3pm)- shims to allow Type::Tiny to run on Perl 5.6.x
 * Devel::TypeTiny::Perl58Compat (3pm)- shims to allow Type::Tiny to run on Perl 5.8.x
 * devlink-health - devlink health reporting and recovery
 * devlink-monitor - state monitoring
 * dgettext - translate message
 * dh - debhelper command sequencer
 * dh-autoreconf - debhelper add-on to run autoreconf during build
 * dh_auto_build - automatically builds a package
 * dh_auto_clean - automatically cleans up after a build
 * dh_auto_configure - automatically configure a package prior to building
 * dh_auto_install - automatically runs make install or similar
 * dh_auto_test - automatically runs a package's test suites
 * dh_autoreconf - Call autoreconf-f-i and keep track of the changed files.
 * dh_autotools-dev_restoreconfig - restore config.sub and config.guess
 * dh_autotools-dev_updateconfig - update config.sub and config.guess
 * dh_compress - compress files and fix symlinks in package build directories
 * dh_dkms - correctly handle DKMS usage by a kernel module package
 * dh_dwz - optimize DWARF debug information in ELF binaries via dwz
 * dh_fixperms - fix permissions of files in package build directories
 * dh_gconf - install GConf defaults files and register schemas (deprecated)
 * dh_gencontrol - generate and install control file
 * dh_installcatalogs - install and register SGML Catalogs
 * dh_installdeb - install files into the DEBIAN directory
 * dh_installdebconf - install files used by debconf in package build directories
 * dh_installdirs - create subdirectories in package build directories
 * dh_installdocs - install documentation into package build directories
 * dh_installgsettings - install GSettings overrides and set dependencies
 * dh_installifupdown - install if-up and if-down hooks
 * dh_installinitramfs - install initramfs hooks and setup maintscripts
 * dh_installlogcheck - install logcheck rulefiles into etc/logcheck/
 * dh_installlogrotate - install logrotate config files
 * dh_installmanpages - old-style man page installer (deprecated)
 * dh_installmenu - install Debian menu files into package build directories
 * dh_installmodules - register kernel modules
 * dh_installppp - install ppp ip-up and ip-down files
 * dh_installwm - register a window manager
 * dh_installxmlcatalogs - install and register XML catalog files
 * dh_listpackages - list binary packages debhelper will act on
 * dh_makeshlibs - automatically create shlibs file and call dpkg-gensymbols
 * dh_md5sums - generate DEBIAN/md5sums file
 * dh_perl - calculates Perl dependencies and cleans up after MakeMaker
 * dh_perl_openssl - add dependencies required for OpenSSL modules
 * dh_prep - perform cleanups in preparation for building a binary package
 * dh_python2 - calculates Python dependencies, adds maintainer scripts to byte co...
 * dh_shlibdeps - calculate shared library dependencies
 * dh_strip - strip executables, shared libraries, and some static libraries
 * dh_strip_nondeterminism (1p)- strip uninteresting, nondeterministic information from files
 * dh_testroot - ensure that a package is built with necessary level of root permis...
 * dh_usrlocal - migrate usr/local directories to maintainer scripts
 * dhclient - Dynamic Host Configuration Protocol Client
 * dhclient-script - DHCP client network configuration script
 * dhcp-eval - ISC DHCP conditional evaluation
 * dhcp-options - Dynamic Host Configuration Protocol options
 * dhparam (1ssl) - DH parameter manipulation and generation
 * dialog - widgets and utilities for the program
 * dict_lookup - DICT Protocol Client
 * dictl - wrapper script for dict that permits using utf-8 encoded dictionar...
 * diffimg - Calculates intersection between two images
 * diffstat - make histogram from diff-output
 * dig - DNS lookup utility
 * Digest::HMAC (3pm) - Keyed-Hashing for Message Authentication
 * Digest::HMAC_MD5 (3pm)- Keyed-Hashing for Message Authentication
 * Digest::HMAC_SHA1 (3pm)- Keyed-Hashing for Message Authentication
 * dirmngr - CRL and OCSP daemon
 * dirname - strip last component from file name
 * dirname - parse pathname components
 * discard (8postfix) - Postfix discard mail delivery agent
 * div - compute quotient and remainder of an integer division
 * djpeg - decompress a JPEG file to an image file
 * dkms - Dynamic Kernel Module Support
 * dladdr - translate address to symbolic information
 * dladdr1 - translate address to symbolic information
 * dlclose - open and close a shared object
 * dlerror - obtain error diagnostic for functions in the dlopen API
 * dlinfo - obtain information about a dynamically loaded object
 * dlmopen - open and close a shared object
 * dlopen - open and close a shared object
 * dlvsym - obtain address of a symbol in a shared object or executable
 * dmesg - print or control the kernel ring buffer
 * dmevent_tool - A utility used to load a DSO into dmeventd and (un)register device...
 * dmeventd - Device-mapper event daemon
 * dmraid - discover, configure and activate software (ATA)RAID
 * dn_comp - resolver routines
 * dn_expand - resolver routines
 * dngettext - translate message and choose plural form
 * dnsblog (8postfix) - Postfix DNS white/blacklist logger
 * dnsdomainname - show the system's DNS domain name
 * dnsmasq - A lightweight DHCP and caching DNS server.
 * domainname - show or set the system's NIS/YP domain name
 * dosbox - an x86/DOS emulator with sound/graphics
 * dosdebug - run DOS and DOS programs under Linux
 * dosemu - run DOS and DOS programs under Linux
 * dosemu.bin - run DOS and DOS programs under Linux
 * dosfsck - check and repair MS-DOS filesystems
 * dpkg-architecture - set and determine the architecture for package building
 * dpkg-checkbuilddeps - check build dependencies and conflicts
 * dpkg-genbuildinfo - generate Debian .buildinfo files
 * dpkg-genchanges - generate Debian .changes files
 * dpkg-gencontrol - generate Debian control files
 * dpkg-gensymbols - generate symbols files (shared library dependency information)
 * dpkg-maintscript-helper - works around known dpkg limitations in maintainer scripts
 * dpkg-name - rename Debian packages to full package names
 * dpkg-parsechangelog - parse Debian changelog files
 * dpkg-reconfigure - reconfigure an already installed package
 * dpkg-scanpackages - create Packages index files
 * dpkg-scansources - create Sources index files
 * dpkg-shlibdeps - generate shared library substvar dependencies
 * dpkg-statoverride - override ownership and mode of files
 * dpkg-vendor - queries information about distribution vendors
 * Dpkg::Arch (3perl) - handle architectures
 * Dpkg::Build::Env (3perl)- track build environment
 * Dpkg::Build::Info (3perl)- handle build information
 * Dpkg::BuildOptions (3perl)- parse and update build options
 * Dpkg::BuildProfiles (3perl)- handle build profiles
 * Dpkg::Changelog (3perl)- base class to implement a changelog parser
 * Dpkg::Changelog::Debian (3perl)- parse Debian changelogs
 * Dpkg::Changelog::Parse (3perl)- generic changelog parser for dpkg-parsechangelog
 * Dpkg::Checksums (3perl)- generate and manipulate file checksums
 * Dpkg::Compression::FileHandle (3perl)- object dealing transparently with file compression
 * Dpkg::Conf (3perl) - parse dpkg configuration files
 * Dpkg::Control (3perl)- parse and manipulate official control-like information
 * Dpkg::Control::Changelog (3perl)- represent info fields output by dpkg-parsechangelog
 * Dpkg::Control::Hash (3perl)- parse and manipulate a block of RFC822-like fields
 * Dpkg::Control::HashCore (3perl)- parse and manipulate a block of RFC822-like fields
 * Dpkg::Control::Info (3perl)- parse files like debian/control
 * Dpkg::Control::Tests (3perl)- parse files like debian/tests/control
 * Dpkg::Deps (3perl) - parse and manipulate dependencies of Debian packages
 * Dpkg::Deps::AND (3perl)- list of AND dependencies
 * Dpkg::Deps::KnownFacts (3perl)- list of installed real and virtual packages
 * Dpkg::Deps::Multiple (3perl)- base module to represent multiple dependencies
 * Dpkg::Deps::OR (3perl)- list of OR dependencies
 * Dpkg::Deps::Simple (3perl)- represents a single dependency statement
 * Dpkg::Deps::Union (3perl)- list of unrelated dependencies
 * Dpkg::Exit (3perl) - program exit handlers
 * Dpkg::Gettext (3perl)- convenience wrapper around Locale::gettext
 * Dpkg::Index (3perl) - generic index of control information
 * Dpkg::Interface::Storable (3perl)- common methods related to object serialization
 * Dpkg::IPC (3perl) - helper functions for IPC
 * Dpkg::Path (3perl) - some common path handling functions
 * Dpkg::Source::Format (3perl)- manipulate debian/source/format files
 * Dpkg::Substvars (3perl)- handle variable substitution in strings
 * Dpkg::Vendor (3perl)- get access to some vendor specific information
 * Dpkg::Vendor::Debian (3perl)- Debian vendor object
 * Dpkg::Vendor::Default (3perl)- default vendor object
 * Dpkg::Vendor::Ubuntu (3perl)- Ubuntu vendor object
 * Dpkg::Version (3perl)- handling and comparing dpkg-style version numbers
 * dprintf - formatted output conversion
 * drand48 - generate uniformly distributed pseudo-random numbers
 * drand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * drem - floating-point remainder function
 * dremf - floating-point remainder function
 * dreml - floating-point remainder function
 * driverless - PPD generator utility for driverless printing
 * dsaparam (1ssl) - DSA parameter manipulation and generation
 * dsc - Debian source packages' control file format
 * du - estimate file space usage
 * duff - duplicate file finder
 * dump-acct - print an acct file in human-readable format.
 * dump-utmp - print an utmp file in human-readable format.
 * dumpe2fs - dump ext2/ext3/ext4 filesystem information
 * dumpexfat - dump exFAT file system
 * dvd+rw-format - format DVD+-RW/-RAM disk
 * dvipdf - Convert TeX DVI file to PDF using ghostscript and dvips
 * dwz - DWARF optimization and duplicate removal tool
 * DynaLoader::Functions (3pm)- deconstructed dynamic C library loading
 * e2freefrag - report free space fragmentation information
 * e2scrub - check the contents of a mounted ext[234] filesystem
 * e2scrub_all - check all mounted ext[234] filesystems for errors.
 * e2undo - Replay an undo log for an ext2/ext3/ext4 filesystem
 * e4defrag - online defragmenter for ext4 filesystem
 * eaccess - check effective user's permissions for a file
 * ebtables-nft - Ethernet bridge frame table administration (nft-based)
 * ebtables-nft-restore - iptables using nftables kernel api
 * ebtables-nft-save - iptables using nftables kernel api
 * echo - display a line of text
 * ecparam (1ssl) - EC parameter manipulation and generation
 * ecryptfs-add-passphrase - add an eCryptfs mount passphrase to the kernel keyring.
 * ecryptfs-find - use inode numbers to match encrypted/decrypted filenames
 * ecryptfs-generate-tpm-key - generate an eCryptfs key for TPM hardware.
 * ecryptfs-insert-wrapped-passphrase-into-key... - unwrap a wrapped passphrase from fil...
 * ecryptfs-mount-private - interactive eCryptfs private mount wrapper script.
 * ecryptfs-recover-private - find and mount any encrypted private directories
 * ecryptfs-rewrap-passphrase - unwrap an eCryptfs wrapped passphrase, rewrap it with a ...
 * ecryptfs-umount-private - eCryptfs private unmount wrapper script.
 * ecryptfs-unwrap-passphrase - unwrap an eCryptfs mount passphrase from file.
 * ecryptfs-wrap-passphrase - wrap an eCryptfs mount passphrase.
 * ecryptfsd - user-space eCryptfs daemon.
 * ed - line-oriented text editor
 * Ed25519 (7ssl) - EVP_PKEY Ed25519 and Ed448 support
 * Ed448 (7ssl) - EVP_PKEY Ed25519 and Ed448 support
 * edata - end of program segments
 * editdiff - fix offsets and counts of a hand-edited diff
 * editline (7edit) - line editing user interface
 * editor - Nano's ANOther editor, inspired by Pico
 * editrc (5edit) - configuration file for editline library
 * editres - a dynamic resource editor for X Toolkit applications
 * egrep - print lines that match patterns
 * elf - format of Executable and Linking Format (ELF) files
 * elfedit - update ELF header and program property of ELF files
 * Email::Valid (3pm) - Check validity of Internet email addresses
 * tc-ematch - extended matches for use with "basic", "cgroup" or "flow" filters
 * enc (1ssl) - symmetric cipher routines
 * enc2xs -- Perl Encode Module Generator
 * encguess - guess character encodings of files
 * enchant-lsmod - Show information about available spell-checking modules and dictio...
 * enchant-lsmod-2 - list provider and dictionary information
 * Encode::Locale (3pm)- Determine the locale encoding
 * encrypt - encrypt 64-bit messages
 * encrypt_r - encrypt 64-bit messages
 * end - end of program segments
 * endaliasent - read an alias entry
 * endfsent - handle fstab entries
 * endgrent - get group file entry
 * endhostent - get network host entry
 * endian - convert values between host and big-/little-endian byte order
 * endmntent - get filesystem descriptor file entry
 * endnetent - get network entry
 * endnetgrent - handle network group entries
 * endprotoent - get protocol entry
 * endpwent - get password file entry
 * endrpcent - get RPC entry
 * endservent - get service entry
 * endspent - get shadow password file entry
 * endttyent - get ttys file entry
 * endusershell - get permitted user shells
 * endutent - access utmp file entries
 * endutxent - access utmp file entries
 * engine (1ssl) - load and query engines
 * env - run a program in a modified environment
 * environ - user environment
 * pam_env.conf - the environment variables config files
 * environment.d - Definition of user session environment
 * envsubst - substitutes environment variables in shell format strings
 * envz - environment string support
 * envz_add - environment string support
 * envz_entry - environment string support
 * envz_get - environment string support
 * envz_merge - environment string support
 * envz_remove - environment string support
 * envz_strip - environment string support
 * epoll_create - open an epoll file descriptor
 * epoll_create1 - open an epoll file descriptor
 * eqn - format equations for troff or MathML
 * erand48 - generate uniformly distributed pseudo-random numbers
 * erand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * err - formatted error messages
 * errno - look up errno names and descriptions
 * error (8postfix) - Postfix error/retry mail delivery agent
 * Error::TypeTiny (3pm)- exceptions for Type::Tiny and friends
 * Error::TypeTiny::Compilation (3pm)- exception for Eval::TypeTiny
 * Error::TypeTiny::WrongNumberOfParameters (3pm)- exception for Type::Params
 * error_at_line - glibc error reporting functions
 * error_message_count - glibc error reporting functions
 * error_one_per_line - glibc error reporting functions
 * error_print_progname - glibc error reporting functions
 * errstr (1ssl) - lookup error codes
 * errx - formatted error messages
 * espdiff - apply the appropriate transformation to a set of patches
 * etext - end of program segments
 * ether_aton - Ethernet address manipulation routines
 * ether_aton_r - Ethernet address manipulation routines
 * ether_hostton - Ethernet address manipulation routines
 * ether_line - Ethernet address manipulation routines
 * ether_ntoa - Ethernet address manipulation routines
 * ether_ntoa_r - Ethernet address manipulation routines
 * ether_ntohost - Ethernet address manipulation routines
 * ethers - Ethernet address to IP number database
 * ethtool - query or control network driver and hardware settings
 * euidaccess - check effective user's permissions for a file
 * eutp - EuroBraille file transferring
 * EV (3pm) - perl interface to libev, a high performance full-featured event loop
 * EV::MakeMaker (3pm) - MakeMaker glue for the C-level EV API
 * Eval::TypeTiny (3pm)- utility to evaluate a string of Perl code in a clean environment
 * exa - new 2D acceleration architecture for X.Org
 * exifautotran - Transforms Exif files so that Orientation becomes 1
 * exit - terminate the calling process
 * exit - cause normal process termination
 * exp - base-e exponential function
 * exp10 - base-10 exponential function
 * exp10f - base-10 exponential function
 * exp10l - base-10 exponential function
 * exp2 - base-2 exponential function
 * exp2f - base-2 exponential function
 * exp2l - base-2 exponential function
 * expand - convert tabs to spaces
 * expf - base-e exponential function
 * expiry - check and enforce password expiration policy
 * expl - base-e exponential function
 * expm1 - exponential minus 1
 * expm1f - exponential minus 1
 * expm1l - exponential minus 1
 * Exporter::Tiny (3pm)- an exporter with the features of Sub::Exporter but only core depen...
 * Exporter::Tiny::Manual::Etc (3pm)- odds and ends
 * Exporter::Tiny::Manual::QuickStart (3pm)- the quickest way to get up and running with Ex...
 * ext2 - the second extended file system
 * ext3 - the third extended file system
 * ext4 - the fourth extended file system
 * ExtUtils::Depends (3pm)- Easily build XS extensions that depend on XS extensions
 * ExtUtils::PkgConfig (3pm)- simplistic interface to pkg-config
 * eyuvtoppm - convert a Berkeley YUV file to a portable pixmap file
 * faccessat - check user's permissions for a file
 * faillog - login failure logging file
 * faillog - display faillog records or set login failure limits
 * faked - daemon that remembers fake ownership/permissions of files manipula...
 * faked-sysv - daemon that remembers fake ownership/permissions of files manipula...
 * faked-tcp - daemon that remembers fake ownership/permissions of files manipula...
 * fakeroot - run a command in an environment faking root privileges for file ma...
 * fakeroot-sysv - run a command in an environment faking root privileges for file ma...
 * fakeroot-tcp - run a command in an environment faking root privileges for file ma...
 * fallocate - preallocate or deallocate space to a file
 * fallocate - manipulate file space
 * fanotify - monitoring filesystem events
 * fanotify_init - create and initialize fanotify group
 * fattach - unimplemented system calls
 * fc-cache - build font information cache files
 * fc-cat - read font information cache files
 * fc-conflist - Show the ruleset files information on the system
 * fc-match - match available fonts
 * fc-pattern - parse and show pattern
 * fchmod - change permissions of a file
 * fchmodat - change permissions of a file
 * fchown - change ownership of a file
 * fchown32 - change ownership of a file
 * fchownat - change ownership of a file
 * fcloseall - close all open streams
 * fdatasync - synchronize a file's in-core state with storage device
 * fdetach - unimplemented system calls
 * fdfind - find entries in the filesystem
 * fdformat - low-level format a floppy disk
 * fdisk - manipulate disk partition table
 * fdopen - stream open functions
 * fdopendir - open a directory
 * fdp - filter for drawing undirected graphs
 * feclearexcept - floating-point rounding and exception handling
 * fedisableexcept - floating-point rounding and exception handling
 * feenableexcept - floating-point rounding and exception handling
 * fegetenv - floating-point rounding and exception handling
 * fegetexcept - floating-point rounding and exception handling
 * fegetexceptflag - floating-point rounding and exception handling
 * fegetround - floating-point rounding and exception handling
 * feholdexcept - floating-point rounding and exception handling
 * fenv - floating-point rounding and exception handling
 * feof - check and reset stream status
 * feraiseexcept - floating-point rounding and exception handling
 * ferror - check and reset stream status
 * fesetenv - floating-point rounding and exception handling
 * fesetexceptflag - floating-point rounding and exception handling
 * fesetround - floating-point rounding and exception handling
 * fetestexcept - floating-point rounding and exception handling
 * feupdateenv - floating-point rounding and exception handling
 * ffmpeg - ffmpeg video converter
 * ffmpeg-all - ffmpeg video converter
 * ffmpeg-bitstream-filters - FFmpeg bitstream filters
 * ffmpeg-codecs - FFmpeg codecs
 * ffmpeg-devices - FFmpeg devices
 * ffmpeg-filters - FFmpeg filters
 * ffmpeg-formats - FFmpeg formats
 * ffmpeg-protocols - FFmpeg protocols
 * ffmpeg-resampler - FFmpeg Resampler
 * ffmpeg-scaler - FFmpeg video scaling and pixel format converter
 * ffmpeg-utils - FFmpeg utilities
 * ffs - find first bit set in a word
 * ffsl - find first bit set in a word
 * ffsll - find first bit set in a word
 * fgetc - input of characters and strings
 * fgetpwent - get password file entry
 * fgetpwent_r - get passwd file entry reentrantly
 * fgets - input of characters and strings
 * fgetspent - get shadow password file entry
 * fgetspent_r - get shadow password file entry
 * fgetxattr - retrieve an extended attribute value
 * fgrep - print lines that match patterns
 * fifo - first-in first-out special file, named pipe
 * file - determine file type
 * file-rename (1p) - renames multiple files
 * File::DesktopEntry (3pm)- Object to handle .desktop files
 * File::FcntlLock::Inline (3pm)- File locking with fcntl
 * File::Find::Rule (3pm)- Alternative interface to File::Find
 * File::Find::Rule::Extending (3pm)- the mini-guide to extending File::Find::Rule
 * File::Find::Rule::Procedural (3pm)- File::Find::Rule's procedural interface
 * File::IconTheme (3pm)- find icon directories
 * File::Listing (3pm) - parse directory listing
 * File::MimeInfo (3pm)- Determine file type from the file name
 * File::MimeInfo::Applications (3pm)- Find programs to open a file by mimetype
 * File::MimeInfo::Magic (3pm)- Determine file type with magic
 * File::MimeInfo::Rox (3pm)- Open files by mimetype "Rox style"
 * File::Rename (3pm) - Perl extension for renaming multiple files
 * File::Rename::Options (3pm)- Option processing for File::Rename
 * File::UserDirs (3pm)- find extra media and documents directories
 * fileno - check and reset stream status
 * finalrd - final runtime directory generator for shutdown
 * fincore - count pages of file contents in core
 * find - search for files in a directory hierarchy
 * findfs - find a filesystem by label or UUID
 * findmnt - find a filesystem
 * findrule (1p) - command line wrapper to File::Find::Rule
 * findsmb - list info about machines that respond to SMB name queries on a subnet
 * finit_module - load a kernel module
 * firefox - a free and open source web browser from Mozilla
 * fixcvsdiff - fix problematic diff files
 * fixparts - MBR partition table repair utility
 * flatpak - Build, install and run applications and runtimes
 * flatpak-build-bundle - Create a single-file bundle from a local repository
 * flatpak-build-commit-from - Create new commits based on existing one (possibly from a...
 * flatpak-build-finish - Finalize a build directory
 * flatpak-build-import-bundle - Import a file bundle into a local repository
 * flatpak-create-usb - Copy apps and/or runtimes onto removable media.
 * flatpak-document-export - Export a file to a sandboxed application
 * flatpak-document-info - Show information about exported files
 * flatpak-document-unexport - Stop exporting a file
 * flatpak-enter - Enter an application or runtime's sandbox
 * flatpak-info - Show information about an installed application or runtime
 * flatpak-kill - Stop a running application
 * flatpak-list - List installed applications and/or runtimes
 * flatpak-make-current - Make a specific version of an app current
 * flatpak-mask - Mask out updates and automatic installation
 * flatpak-metadata - Information about an application or runtime
 * flatpak-permission-remove - Remove permissions
 * flatpak-permission-reset - Reset permissions
 * flatpak-permission-set - Set permissions
 * flatpak-permission-show - Show permissions
 * flatpak-permissions - List permissions
 * flatpak-ps - Enumerate running instances
 * flatpak-remote-info - Show information about an application or runtime in a remote
 * flatpak-remote-ls - Show available runtimes and applications
 * flatpak-repo - Show information about a local repository
 * flatpak-run - Run an application or open a shell in a runtime
 * flatpak-search - Search for applications and runtimes
 * flatpak-spawn - Run commands in a sandbox
 * flex - the fast lexical analyser generator
 * flex++ - the fast lexical analyser generator
 * flipdiff - exchange the order of two incremental patches
 * flistxattr - list extended attribute names
 * flock - apply or remove an advisory lock on an open file
 * flush (8postfix) - Postfix fast flush server
 * fma - floating-point multiply and add
 * fmaf - floating-point multiply and add
 * fmal - floating-point multiply and add
 * fmax - determine maximum of two floating-point numbers
 * fmaxf - determine maximum of two floating-point numbers
 * fmaxl - determine maximum of two floating-point numbers
 * fmemopen - open memory as stream
 * fmin - determine minimum of two floating-point numbers
 * fminf - determine minimum of two floating-point numbers
 * fminl - determine minimum of two floating-point numbers
 * fmod - floating-point remainder function
 * fmodf - floating-point remainder function
 * fmodl - floating-point remainder function
 * fmt - simple optimal text formatter
 * fmtmsg - print formatted error messages
 * fnmatch - match filename or pathname
 * fnmatch (3am) - compare a string against a filename wildcard
 * fold - wrap each input line to fit in specified width
 * Font::TTF (3pm) - Perl module for TrueType Font hacking
 * Font::TTF::Bsln (3pm)- Baseline table in a font
 * Font::TTF::Coverage (3pm)- Opentype coverage and class definition objects
 * Font::TTF::Delta (3pm)- Opentype Device tables
 * Font::TTF::Dumper (3pm)- Debug dump of a font datastructure, avoiding recursion on ' PAR...
 * Font::TTF::Features::Cvar (3pm)- Class for Character Variants Feature Parameters
 * Font::TTF::Features::Size (3pm)- Class for Size Feature Parameters
 * Font::TTF::Features::Sset (3pm)- Class for Stylistic Set Feature Parameters
 * Font::TTF::Fmtx (3pm)- Font Metrics table
 * Font::TTF::GDEF (3pm)- Opentype GDEF table support
 * Font::TTF::Glyph (3pm)- Holds a information for a single glyph
 * Font::TTF::GPOS (3pm)- Support for Opentype GPOS tables in conjunction with TTOpen
 * Font::TTF::GSUB (3pm)- Module support for the GSUB table in conjunction with TTOpen
 * Font::TTF::Hmtx (3pm)- Horizontal Metrics
 * Font::TTF::Loca (3pm)- the Locations table, which is intimately tied to the glyf table
 * Font::TTF::LTSH (3pm)- Linear Threshold table
 * Font::TTF::Manual (3pm)- Information regarding the whole module set
 * Font::TTF::Mort::Noncontextual (3pm)- Noncontextual Mort subtable for AAT
 * Font::TTF::Name (3pm)- String table for a TTF font
 * Font::TTF::OTTags (3pm)- Utilities for TrueType/OpenType tags
 * Font::TTF::Post (3pm)- Holds the Postscript names for each glyph
 * Font::TTF::Prep (3pm)- Preparation hinting program. Called when ppem changes
 * Font::TTF::PSNames (3pm)- Utilities for Postscript glyph name processing
 * Font::TTF::Segarr (3pm)- Segmented array
 * Font::TTF::Sill (3pm)- Graphite language mapping table
 * Font::TTF::Table (3pm)- Superclass for tables and used for tables we don't have a class for
 * Font::TTF::Ttopen (3pm)- Opentype superclass for standard Opentype lookup based tables (...
 * Font::TTF::Vmtx (3pm)- Vertical Metrics
 * Font::TTF::XMLparse (3pm)- provides support for XML parsing. Requires Expat module XML::...
 * foo2hbpl2 - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2hiperc - Convert Ghostscript pbmraw or bitcmyk format into a HIPERC printer...
 * foo2hp - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2lava - Convert Ghostscript pbmraw or bitcmyk format into a LAVAFLOW or a ...
 * foo2oak - Convert Ghostscript pbmraw, pgmraw or bitcmyk format into an OAKT ...
 * foo2qpdl - Convert Ghostscript pbmraw or bitcmyk format into a QPDL printer s...
 * foo2qpdl-wrapper - Convert Postscript into a QPDL printer stream
 * foo2slx - Convert Ghostscript pbmraw or bitcmyk format into a SLX printer st...
 * foo2zjs - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foomatic-rip - Universal print filter/RIP wrapper
 * fopen - stream open functions
 * fopencookie - opening a custom stream
 * forkpty - terminal utility functions
 * fprintd - Fingerprint management daemon, and test applications
 * fprintd-delete - Fingerprint management daemon, and test applications
 * fprintd-enroll - Fingerprint management daemon, and test applications
 * fprintd-list - Fingerprint management daemon, and test applications
 * fprintd-verify - Fingerprint management daemon, and test applications
 * fprintf - formatted output conversion
 * fputc - output of characters and strings
 * fputs - output of characters and strings
 * free - Display amount of free and used memory in the system
 * free - allocate and free dynamic memory
 * free_hugepages - allocate or free huge pages
 * freeaddrinfo - network address and service translation
 * freehostent - get network hostnames and addresses
 * freelocale - create, modify, and free a locale object
 * fremovexattr - remove an extended attribute
 * freopen - stream open functions
 * frexp - convert floating-point number to fractional and integral components
 * frexpf - convert floating-point number to fractional and integral components
 * frexpl - convert floating-point number to fractional and integral components
 * from - print names of those who have sent mail
 * fscanf - input format conversion
 * fsck - check and repair a Linux filesystem
 * fsck.fat - check and repair MS-DOS filesystems
 * fsck.hfs - HFS file system consistency check
 * fsck.hfsplus - HFS file system consistency check
 * fsck.jfs - initiate replay of the JFS transaction log, and check and repair a...
 * fsck.minix - check consistency of Minix filesystem
 * fsck.msdos - check and repair MS-DOS filesystems
 * fsck.vfat - check and repair MS-DOS filesystems
 * fsetxattr - set an extended attribute value
 * fsf-funding (7gcc) - Funding Free Software
 * fsfreeze - suspend access to a filesystem (Ext3/4, ReiserFS, JFS, XFS)
 * fstab - static information about the filesystems
 * fstab-decode - run a command with fstab-encoded arguments
 * fstrim - discard unused blocks on a mounted filesystem
 * fsync - synchronize a file's in-core state with storage device
 * ftime - return date and time
 * ftok - convert a pathname and a project identifier to a System V IPC key
 * ftp - Internet file transfer program
 * ftruncate - truncate a file to a specified length
 * ftruncate64 - truncate a file to a specified length
 * fts_open - traverse a file hierarchy
 * funzip - filter for extracting from a ZIP archive in a pipe
 * fusermount - unmount FUSE filesystems
 * futimens - change file timestamps with nanosecond precision
 * futimes - change file timestamps
 * futimesat - change timestamps of a file relative to a directory file descriptor
 * Future::AsyncAwait (3pm)- deferred subroutine syntax for futures
 * Future::Mutex (3pm) - mutual exclusion lock around code that returns Futures
 * Future::Phrasebook (3pm)- coding examples for "Future" and "Future::Utils"
 * fwide - set and determine the orientation of a FILE stream
 * fwprintf - formatted wide-character output conversion
 * fwupdmgr - Firmware update manager client utility
 * fwupdtool - Standalone firmware update utility
 * g++ - GNU project C and C++ compiler
 * g++-9 - GNU project C and C++ compiler
 * gai_cancel - asynchronous network address and service translation
 * gai_error - asynchronous network address and service translation
 * gai_strerror - network address and service translation
 * gai_suspend - asynchronous network address and service translation
 * gamemoded - optimises system performance on demand
 * gamma - (logarithm of the) gamma function
 * gamma4scanimage - create a gamma table for scanimage
 * gammaf - (logarithm of the) gamma function
 * gammal - (logarithm of the) gamma function
 * gatttool - tool for Bluetooth Low Energy device
 * gawk - pattern scanning and processing language
 * gc - count graph components
 * gcc - GNU project C and C++ compiler
 * gcc-9 - GNU project C and C++ compiler
 * gcc-ar - a wrapper around ar adding the--plugin option
 * gcc-ar-9 - a wrapper around ar adding the--plugin option
 * gcc-nm - a wrapper around nm adding the--plugin option
 * gcc-nm-9 - a wrapper around nm adding the--plugin option
 * gcc-ranlib - a wrapper around ranlib adding the--plugin option
 * gcc-ranlib-9 - a wrapper around ranlib adding the--plugin option
 * gcore - Generate a core file of a running program
 * gcov-dump - offline gcda and gcno profile dump tool
 * gcov-dump-9 - offline gcda and gcno profile dump tool
 * gcov-tool - offline gcda profile processing tool
 * gcov-tool-9 - offline gcda profile processing tool
 * gdisk - Interactive GUID partition table (GPT) manipulator
 * gdk-pixbuf-csource - C code generation utility for GdkPixbuf images
 * gdk-pixbuf-pixdata - GDK Pixbuf library
 * gdk-pixbuf-query-loaders - GdkPixbuf loader registration utility
 * gemtopbm - convert a GEM .img file into a portable anymap
 * gemtopnm - convert a GEM .img file into a portable anymap
 * gencat - Generate message catalog
 * gendiff - utility to aid in error-free diff file generation
 * gendsa (1ssl) - generate a DSA private key from a set of parameters
 * generic - Postfix generic table format
 * genisoimage - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * genisoimagerc - startup configuration file for genisoimage
 * genl - generic netlink utility frontend
 * genpkey (1ssl) - generate a private key
 * genrsa (1ssl) - generate an RSA private key
 * geoclue - geoclue configuration parameters
 * geqn - format equations for troff or MathML
 * GET (1p) - Simple command line user agent
 * get_avphys_pages - get total and available physical page counts
 * getcwd - get current working directory
 * get_current_dir_name - get current working directory
 * get_kernel_syms - retrieve exported kernel and module symbols
 * get_myaddress - library routines for remote procedure calls
 * get_phys_pages - get total and available physical page counts
 * get_thread_area - manipulate thread-local storage information
 * getaddrinfo - network address and service translation
 * getaddrinfo_a - asynchronous network address and service translation
 * getaliasbyname - read an alias entry
 * getaliasbyname_r - read an alias entry
 * getc - input of characters and strings
 * getcap - examine file capabilities
 * getchar - input of characters and strings
 * getcifsacl - Userspace helper to display an ACL in a security descriptor for Co...
 * getcpu - determine CPU and NUMA node on which the calling thread is running
 * getdirentries - get directory entries in a filesystem-independent format
 * getdomainname - get/set NIS domain name
 * getent - get entries from Name Service Switch libraries
 * getentropy - fill a buffer with random bytes
 * getenv - get an environment variable
 * getfattr - get extended attributes of filesystem objects
 * getfsent - handle fstab entries
 * getfsfile - handle fstab entries
 * getfsspec - handle fstab entries
 * getgrnam - get group file entry
 * getgrnam_r - get group file entry
 * gethostbyaddr - get network host entry
 * gethostbyaddr_r - get network host entry
 * gethostbyname - get network host entry
 * gethostbyname2 - get network host entry
 * gethostbyname2_r - get network host entry
 * gethostbyname_r - get network host entry
 * gethostent - get network host entry
 * gethostent_r - get network host entry
 * gethostip - convert an IP address into various formats
 * gethostname - get/set hostname
 * getipnodebyaddr - get network hostnames and addresses
 * getipnodebyname - get network hostnames and addresses
 * getkeycodes - print kernel scancode-to-keycode mapping table
 * getline - delimited string input
 * getlogin - get username
 * getlogin_r - get username
 * getmsg - unimplemented system calls
 * getnameinfo - address-to-name translation in protocol-independent manner
 * getnetbyaddr - get network entry
 * getnetbyaddr_r - get network entry (reentrant)
 * getnetbyname - get network entry
 * getnetbyname_r - get network entry (reentrant)
 * getnetent - get network entry
 * getnetent_r - get network entry (reentrant)
 * getnetgrent - handle network group entries
 * getnetgrent_r - handle network group entries
 * getopt - parse command options (enhanced)
 * getopt - Parse command-line options
 * getopt_long - Parse command-line options
 * getopt_long_only - Parse command-line options
 * getpass - get a password
 * getpeername - get name of connected peer socket
 * getpid - get process identification
 * getpmsg - unimplemented system calls
 * getppid - get process identification
 * getprotobyname - get protocol entry
 * getprotobyname_r - get protocol entry (reentrant)
 * getpt - open the pseudoterminal master (PTM)
 * getpw - reconstruct password line entry
 * getpwent - get password file entry
 * getpwent_r - get passwd file entry reentrantly
 * getpwnam - get password file entry
 * getpwnam_r - get password file entry
 * getpwuid - get password file entry
 * getpwuid_r - get password file entry
 * getrandom - obtain a series of random bytes
 * getresgid - get real, effective and saved user/group IDs
 * getresgid32 - get real, effective and saved user/group IDs
 * getresuid - get real, effective and saved user/group IDs
 * getresuid32 - get real, effective and saved user/group IDs
 * getrpcbyname - get RPC entry
 * getrpcbyname_r - get RPC entry (reentrant)
 * getrpcbynumber - get RPC entry
 * getrpcbynumber_r - get RPC entry (reentrant)
 * getrpcport - get RPC port number
 * gets - get a string from standard input (DEPRECATED)
 * getservbyname - get service entry
 * getservbyname_r - get service entry (reentrant)
 * getsockname - get socket name
 * getsockopt - get and set options on sockets
 * getspent - get shadow password file entry
 * getspent_r - get shadow password file entry
 * getspnam - get shadow password file entry
 * getspnam_r - get shadow password file entry
 * getsubopt - parse suboption arguments from a string
 * gettext - translate message
 * gettext - translate message
 * getttynam - get ttys file entry
 * getunwind - copy the unwind data to caller's buffer
 * getusershell - get permitted user shells
 * getutline - access utmp file entries
 * getutline_r - access utmp file entries
 * getutmp - copy utmp structure to utmpx, and vice versa
 * getutmpx - copy utmp structure to utmpx, and vice versa
 * getutxline - access utmp file entries
 * getw - input and output of words (ints)
 * getwchar - read a wide character from standard input
 * getxattr - retrieve an extended attribute value
 * gftp - file transfer client for *NIX based machines.
 * gftp-gtk - file transfer client for *NIX based machines.
 * gftp-text - file transfer client for *NIX based machines.
 * ghostscript - Ghostscript (PostScript and PDF language interpreter and previewer)
 * gifdiff - compares GIF images
 * gifsicle - manipulates GIF images and animations
 * gifview - displays GIF images and animations on the X window system
 * gimp - an image manipulation and paint program.
 * gimp-2.10 - an image manipulation and paint program.
 * gimp-console - an image manipulation and paint program.
 * gimp-console-2.10 - an image manipulation and paint program.
 * gio - GIO commandline tool
 * gipddecode - Decode a GIPD stream into human readable form.
 * git - the stupid content tracker
 * git-add - Add file contents to the index
 * git-am - Apply a series of patches from a mailbox
 * git-annotate - Annotate file lines with commit information
 * git-apply - Apply a patch to files and/or to the index
 * git-archive - Create an archive of files from a named tree
 * git-bisect - Use binary search to find the commit that introduced a bug
 * git-blame - Show what revision and author last modified each line of a file
 * git-bundle - Move objects and refs by archive
 * git-cat-file - Provide content or type and size information for repository objects
 * git-check-attr - Display gitattributes information
 * git-check-mailmap - Show canonical names and email addresses of contacts
 * git-check-ref-format - Ensures that a reference name is well formed
 * git-checkout-index - Copy files from the index to the working tree
 * git-cherry - Find commits yet to be applied to upstream
 * git-cherry-pick - Apply the changes introduced by some existing commits
 * git-clone - Clone a repository into a new directory
 * git-commit-graph - Write and verify Git commit-graph files
 * git-commit-tree - Create a new commit object
 * git-config - Get and set repository or global options
 * git-count-objects - Count unpacked number of objects and their disk consumption
 * git-credential - Retrieve and store user credentials
 * git-credential-cache - Helper to temporarily store passwords in memory
 * git-credential-cache--daemon - Temporarily store user credentials in memory
 * git-credential-store - Helper to store credentials on disk
 * git-daemon - A really simple server for Git repositories
 * git-describe - Give an object a human readable name based on an available ref
 * git-diff - Show changes between commits, commit and working tree, etc
 * git-diff-files - Compares files in the working tree and the index
 * git-diff-index - Compare a tree to the working tree or index
 * git-diff-tree - Compares the content and mode of blobs found via two tree objects
 * git-difftool - Show changes using common diff tools
 * git-fast-import - Backend for fast Git data importers
 * git-fetch - Download objects and refs from another repository
 * git-fmt-merge-msg - Produce a merge commit message
 * git-for-each-ref - Output information on each ref
 * git-format-patch - Prepare patches for e-mail submission
 * git-fsck - Verifies the connectivity and validity of the objects in the database
 * git-fsck-objects - Verifies the connectivity and validity of the objects in the database
 * git-gc - Cleanup unnecessary files and optimize the local repository
 * git-grep - Print lines matching a pattern
 * git-hash-object - Compute object ID and optionally creates a blob from a file
 * git-help - Display help information about Git
 * git-http-backend - Server side implementation of Git over HTTP
 * git-http-fetch - Download from a remote Git repository via HTTP
 * git-imap-send - Send a collection of patches from stdin to an IMAP folder
 * git-index-pack - Build pack index file for an existing packed archive
 * git-init - Create an empty Git repository or reinitialize an existing one
 * git-interpret-trailers - Add or parse structured information in commit messages
 * git-ls-files - Show information about files in the index and the working tree
 * git-mailinfo - Extracts patch and authorship from a single e-mail message
 * git-merge-base - Find as good common ancestors as possible for a merge
 * git-merge-index - Run a merge for files needing merging
 * git-merge-one-file - The standard helper program to use with git-merge-index
 * git-merge-tree - Show three-way merge without touching index
 * git-mergetool - Run merge conflict resolution tools to resolve merge conflicts
 * git-mergetool--lib - Common Git merge tool shell scriptlets
 * git-mktree - Build a tree-object from ls-tree formatted text
 * git-multi-pack-index - Write and verify multi-pack-indexes
 * git-mv - Move or rename a file, a directory, or a symlink
 * git-name-rev - Find symbolic names for given revs
 * git-notes - Add or inspect object notes
 * git-pack-redundant - Find redundant pack files
 * git-pack-refs - Pack heads and tags for efficient repository access
 * git-parse-remote - Routines to help parsing remote repository access parameters
 * git-patch-id - Compute unique ID for a patch
 * git-prune - Prune all unreachable objects from the object database
 * git-prune-packed - Remove extra objects that are already in pack files
 * git-pull - Fetch from and integrate with another repository or a local branch
 * git-quiltimport - Applies a quilt patchset onto the current branch
 * git-range-diff - Compare two commit ranges (e.g. two versions of a branch)
 * git-read-tree - Reads tree information into the index
 * git-reflog - Manage reflog information
 * git-remote-ext - Bridge smart transport to external command.
 * git-request-pull - Generates a summary of pending changes
 * git-rev-parse - Pick out and massage parameters
 * git-rm - Remove files from the working tree and from the index
 * git-send-pack - Push objects over Git protocol to another repository
 * git-sh-setup - Common Git shell script setup code
 * git-shell - Restricted login shell for Git-only SSH access
 * git-shortlog - Summarize 'git log' output
 * git-show-branch - Show branches and their commits
 * git-show-index - Show packed archive index
 * git-sparse-checkout - Initialize and modify the sparse-checkout configuration, which ...
 * git-stripspace - Remove unnecessary whitespace
 * git-subtree - Merge subtrees together and split repository into subtrees
 * git-symbolic-ref - Read, modify and delete symbolic refs
 * git-tag - Create, list, delete or verify a tag object signed with GPG
 * git-update-index - Register file contents in the working tree to the index
 * git-update-ref - Update the object name stored in a ref safely
 * git-upload-archive - Send archive back to git-archive
 * git-upload-pack - Send objects packed back to git-fetch-pack
 * git-web--browse - Git helper script to launch a web browser
 * git-write-tree - Create a tree object from the current index
 * gitcli - Git command-line interface and conventions
 * gitcredentials - providing usernames and passwords to Git
 * giteveryday - A useful minimum set of commands for Everyday Git
 * gitnamespaces - Git namespaces
 * gitremote-helpers - Helper programs to interact with remote repositories
 * gitrevisions - Specifying revisions and ranges for Git
 * gitsubmodules - Mounting one repository inside another
 * gittutorial-2 - A tutorial introduction to Git: part two
 * gitweb - Git web interface (web frontend to Git repositories)
 * gitworkflows - An overview of recommended workflows with Git
 * Glib (3pm) - Perl wrappers for the GLib utility and Object libraries
 * glib-compile-schemas - GSettings schema compiler
 * Glib::BookmarkFile (3pm)- Parser for bookmark files
 * Glib::Boxed (3pm) - Generic wrappers for C structures
 * Glib::CodeGen (3pm) - code generation utilities for Glib-based bindings.
 * Glib::devel (3pm) - Binding developer's overview of Glib's internals
 * Glib::Flags (3pm) - methods and overloaded operators for flags
 * Glib::GenPod (3pm) - POD generation utilities for Glib-based modules
 * Glib::index (3pm) - API Reference Pod Index
 * Glib::KeyFile (3pm) - Parser for .ini-like files
 * Glib::Log (3pm) - A flexible logging mechanism
 * Glib::MakeHelper (3pm)- Makefile.PL utilities for Glib-based extensions
 * Glib::Markup (3pm) - markup handling functions
 * Glib::Object (3pm) - Bindings for GObject
 * Glib::Object::Introspection (3pm)- Dynamically create Perl language bindings
 * Glib::Object::Subclass (3pm)- register a perl class as a GObject class
 * Glib::OptionContext (3pm)- defines options accepted by the commandline option parser
 * Glib::OptionGroup (3pm)- group of options for command line option parsing
 * Glib::Param::Boolean (3pm)- Wrapper for boolean parameters in GLib
 * Glib::Param::Double (3pm)- Wrapper for double parameters in GLib
 * Glib::Param::Enum (3pm)- Wrapper for enum parameters in GLib
 * Glib::Param::Flags (3pm)- Wrapper for flag parameters in GLib
 * Glib::Param::GType (3pm)- Wrapper for type parameters in GLib
 * Glib::Param::Int (3pm)- Paramspecs for integer types
 * Glib::Param::Int64 (3pm)- Wrapper for int64 parameters in GLib
 * Glib::Param::String (3pm)- Wrapper for string parameters in GLib
 * Glib::Param::UInt (3pm)- Wrapper for uint parameters in GLib
 * Glib::Param::UInt64 (3pm)- Wrapper for uint64 parameters in GLib
 * Glib::Param::Unichar (3pm)- Wrapper for unichar parameters in GLib
 * Glib::ParamSpec (3pm)- encapsulates metadate needed to specify parameters
 * Glib::ParseXSDoc (3pm)- Parse POD and XSub declarations from XS files.
 * Glib::Signal (3pm) - Object customization and general purpose notification
 * Glib::Utils (3pm) - Miscellaneous utility functions
 * Glib::xsapi (3pm) - internal API reference for GPerl.
 * glibc - overview of standard C libraries on Linux
 * glob - find pathnames matching a pattern, free memory from glob
 * glob - globbing pathnames
 * globfree - find pathnames matching a pattern, free memory from glob
 * glxdemo - a demonstration of the GLX functions
 * glxheads - exercise multiple GLX connections
 * glxinfo - show information about the GLX implementation
 * glyrc - search engine for music-related metadata
 * gmtime - transform date and time to broken-down time or ASCII
 * gmtime_r - transform date and time to broken-down time or ASCII
 * gnome-character-map - Unicode character picker and font browser
 * gnome-disk-image-mounter - Attach and mount disk images
 * gnome-keyring - The gnome-keyring commandline tool
 * gnome-keyring-3 - The gnome-keyring commandline tool
 * gnome-keyring-daemon - The gnome-keyring daemon
 * gnome-screenshot - capture the screen, a window, or an user-defined area and save the...
 * gnome-session - Start the GNOME desktop environment
 * gnome-session-cinnamon - Start the GNOME desktop environment
 * gnome-session-cinnamon2d - Start the GNOME desktop environment
 * gnome-session-quit - End the current GNOME session
 * gnome-system-monitor - view and control processes
 * gnome-terminal - is a terminal emulation application.
 * gnome-terminal.wrapper - is a terminal emulation application.
 * gnote - A simple note-taking application for Gnome
 * gnu_dev_makedev - manage a device number
 * gnu_get_libc_release - get glibc version and release
 * gnu_get_libc_version - get glibc version and release
 * goa-daemon - GNOME Online Accounts Daemon
 * gouldtoppm - convert Gould scanner file into a portable pixmap
 * gparted - GNOME Partition Editor for manipulating disk partitions.
 * gpasswd - administer /etc/group and /etc/gshadow
 * gpg - OpenPGP encryption and signing tool
 * gpg-check-pattern - Check a passphrase on stdin against the patternfile
 * gpg-connect-agent - Communicate with a running agent
 * gpg-preset-passphrase - Put a passphrase into gpg-agent's cache
 * gpgcompose - Generate a stream of OpenPGP packets
 * gpgparsemail - Parse a mail message into an annotated format
 * gpgsm - CMS encryption and signing tool
 * gpgsplit - Split an OpenPGP message into packets
 * gpgv - Verify OpenPGP signatures
 * gpic - compile pictures for troff or TeX
 * gpl (7gcc) - GNU General Public License
 * gprename - complete batch renamer for Linux
 * grantpt - grant access to the slave pseudoterminal
 * grep - print lines that match patterns
 * groff - front-end for the groff document formatting system
 * grog - guess options for a following groff command
 * groupadd - create a new group
 * groupmems - administer members of a user's primary group
 * growisofs - combined genisoimage frontend/DVD recording program.
 * grpconv - convert to and from shadow passwords and groups
 * grpunconv - convert to and from shadow passwords and groups
 * grub-editenv - edit GRUB environment block
 * grub-glue-efi - generate a fat binary for EFI
 * grub-kbdcomp - generate a GRUB keyboard layout file
 * grub-menulst2cfg - transform legacy menu.lst into grub.cfg
 * grub-mkconfig - generate a GRUB configuration file
 * grub-mkdevicemap - make a device map file automatically
 * grub-mkfont - make GRUB font files
 * grub-mkimage - make a bootable image of GRUB
 * grub-mklayout - generate a GRUB keyboard layout file
 * grub-mknetdir - prepare a GRUB netboot directory.
 * grub-mkpasswd-pbkdf2 - generate hashed password for GRUB
 * grub-mkrelpath - make a system path relative to its root
 * grub-mkrescue - make a GRUB rescue image
 * grub-mkstandalone - make a memdisk-based GRUB image
 * grub-mount - export GRUB filesystem with FUSE
 * grub-probe - probe device information for GRUB
 * grub-reboot - set the default boot entry for GRUB, for the next boot only
 * grub-render-label - generate a .disk_label for Apple Macs.
 * grub-syslinux2cfg - transform syslinux config into grub.cfg
 * gs - Ghostscript (PostScript and PDF language interpreter and previewer)
 * gsbj - Format and print text for BubbleJet printer using ghostscript
 * gsdj - Format and print text for DeskJet printer using ghostscript
 * gsdj500 - Format and print text for DeskJet 500 BubbleJet using ghostscript
 * gslj - Format and print text for LaserJet printer using ghostscript
 * gslp - Format and print text using ghostscript
 * gsnd - Run ghostscript (PostScript and PDF engine) without display
 * gst-device-monitor-1.0 - Simple command line testing tool for GStreamer device monitors
 * gst-discoverer-1.0 - Display file metadata and stream information
 * gst-launch-1.0 - build and run a GStreamer pipeline
 * gst-play-1.0 - Simple command line playback testing tool
 * gst-typefind-1.0 - print Media type of file
 * gtbl - format tables for troff
 * gtf - calculate VESA GTF mode lines
 * gtk-encode-symbolic-svg - Symbolic icon conversion utility
 * gtk-options - Standard Command Line Options for GTK Programs
 * gtk-query-settings - Utility to print name and value of all GtkSettings properties
 * Gtk3 (3pm) - Perl interface to the 3.x series of the gtk+ toolkit
 * gts-config - defines values for programs using gts.
 * gts2dxf - converts a GTS file to DXF format.
 * gts2oogl - converts a GTS file to OOGL file format (Geomview).
 * gts2stl - converts a GTS file to STL format
 * gtscheck - checks that a surface defines a closed, orientable non self-inters...
 * gtscompare - compare two GTS files.
 * gtstemplate - generates of a template used to create new object classes.
 * gtty - unimplemented system calls
 * gucharmap - Unicode character picker and font browser
 * gunzip - compress or expand files
 * gvfs-monitor-dir - (unknown subject)
 * gvfs-monitor-file - (unknown subject)
 * gvfs-mount - (unknown subject)
 * gvfs-open - (unknown subject)
 * gvfs-rename - (unknown subject)
 * gvfsd - Main daemon for gvfs
 * gvfsd-fuse - Fuse daemon for gvfs
 * gvfsd-metadata - Metadata daemon for gvfs
 * gvgen - generate graphs
 * gvmap - find clusters and create a geographical map highlighting clusters.
 * gvmap.sh - pipeline for running gvmap
 * gvpack - merge and pack disjoint graphs
 * gvpr - graph pattern scanning and processing language
 * gzip - compress or expand files
 * h2ph - convert .h C header files to .ph Perl header files
 * h2xs - convert .h C header files to Perl extensions
 * h_errno - get network host entry
 * halt - Halt, power-off or reboot the machine
 * happrox - returns a simplified triangulation of a set of points using algori...
 * hasmntopt - get filesystem descriptor file entry
 * hcitool - configure Bluetooth connections
 * hddtemp - Utility to monitor hard drive temperature
 * hdparm - get/set SATA/IDE device parameters
 * hdparm.conf - Debian configuration file for hdparm
 * head - output the first part of files
 * header_checks - Postfix built-in content inspection
 * helpztags - generate the help tags file for directory
 * herror - get network host entry
 * host - DNS lookup utility
 * host.conf - resolver configuration file
 * hostname - show or set the system's host name
 * hostname - Local hostname configuration file
 * hostname - hostname resolution description
 * hostnamectl - Control the system hostname
 * hosts - static table lookup for hostnames
 * hosts.allow - format of host access control files
 * hosts.deny - format of host access control files
 * hosts.equiv - list of hosts and users that are granted "trusted" r command acces...
 * hosts_access - format of host access control files
 * hosts_options - host access control language extensions
 * hp-check - Dependency/Version Check Utility
 * hp-colorcal - Printer Cartridge Color Calibration Utility
 * hp-doctor - Self Diagnse Utility and Healing Utility
 * hp-firmware - Firmware Download Utility
 * hp-info - Device Information Utility
 * hp-logcapture - HPLIP logs capture Utility
 * hp-makeuri - Device URI Creation Utility
 * hp-plugin - Plugin Download and Install Utility
 * hstrerror - get network host entry
 * htdbm - Manipulate DBM password databases
 * html2markdown - converts a page of HTML into markdown.
 * html2markdown.py3 - converts a page of HTML into markdown.
 * HTML::Entities (3pm)- Encode or decode strings with HTML entities
 * HTML::Filter (3pm) - Filter HTML text through the parser
 * HTML::FormatMarkdown (3pm)- Format HTML as Markdown
 * HTML::FormatPS (3pm)- Format HTML as PostScript
 * HTML::FormatRTF (3pm)- Format HTML as RTF
 * HTML::Formatter (3pm)- Base class for HTML formatters
 * HTML::FormatText (3pm)- Format HTML as plaintext
 * HTML::HeadParser (3pm)- Parse  section of a HTML document
 * HTML::Parse (3pm) - Deprecated, a wrapper around HTML::TreeBuilder
 * HTML::Parser (3pm) - HTML parser class
 * HTML::PullParser (3pm)- Alternative HTML::Parser interface
 * HTML::Tagset (3pm) - data tables useful in parsing HTML
 * HTML::TokeParser (3pm)- Alternative HTML::Parser interface
 * HTML::Tree (3pm) - build and scan parse-trees of HTML
 * HTML::Tree::AboutObjects (3pm)-- article: "User's View of Object-Oriented Modules"
 * HTML::Tree::AboutTrees (3pm)-- article on tree-shaped data structures in Perl
 * HTML::Tree::Scanning (3pm)-- article: "Scanning HTML"
 * HTML::TreeBuilder (3pm)- Parser that builds a HTML syntax tree
 * htmltree (1p) - Parse the given HTML file and dump the parse tree
 * htobe16 - convert values between host and big-/little-endian byte order
 * htobe32 - convert values between host and big-/little-endian byte order
 * htobe64 - convert values between host and big-/little-endian byte order
 * htole16 - convert values between host and big-/little-endian byte order
 * htole32 - convert values between host and big-/little-endian byte order
 * htole64 - convert values between host and big-/little-endian byte order
 * htonl - convert values between host and network byte order
 * htons - convert values between host and network byte order
 * htpasswd - Manage user files for basic authentication
 * HTTP::Config (3pm) - Configuration for request and response objects
 * HTTP::Cookies::Netscape (3pm)- Access to Netscape cookies files
 * HTTP::Daemon (3pm) - A simple http server class
 * HTTP::Date (3pm) - HTTP::Date- date conversion routines
 * HTTP::Headers (3pm) - Class encapsulating HTTP Message headers
 * HTTP::Headers::Util (3pm)- Header value parsing utility functions
 * HTTP::Message (3pm) - HTTP style message (base class)
 * HTTP::Negotiate (3pm)- choose a variant to serve
 * HTTP::Request (3pm) - HTTP style request message
 * HTTP::Request::Common (3pm)- Construct common HTTP::Request objects
 * HTTP::Response (3pm)- HTTP style response message
 * httxt2dbm - Generate dbm files for use with RewriteMap
 * hypnotoad (1p) - Hypnotoad HTTP and WebSocket server
 * i386 - change reported architecture in new program environment and/or set...
 * icmp - Linux IPv4 ICMP kernel module.
 * ico - animate an icosahedron or other polyhedron
 * iconv - convert text from one character encoding to another
 * iconv_close - deallocate descriptor for character set conversion
 * iconv_open - allocate descriptor for character set conversion
 * id - print real and effective user and group IDs
 * identify - describes the format and characteristics of one or more image files.
 * identify-im6 - describes the format and characteristics of one or more image files.
 * identify-im6.q16 - describes the format and characteristics of one or more image files.
 * idevice_id - Prints device name or a list of attached devices.
 * idevicebackup2 - Create or restore backups for devices running iOS 4 or later.
 * ideviceenterrecovery - Make a device enter recovery mode.
 * ideviceimagemounter - Mount disk images on the device.
 * ideviceinfo - Show information about the first connected device.
 * idevicename - Display the device name or set it to NAME if specified.
 * idevicepair - Manage host pairings with devices and usbmuxd.
 * idevicescreenshot - Gets a screenshot from the connected device.
 * idevicesyslog - Relay syslog of a connected device.
 * idle - make process 0 idle
 * idmap-plugin - winbind ID mapping plugin for cifs-utils
 * idmap_rfc2307 - Samba's idmap_rfc2307 Backend for Winbind
 * idmapwb - winbind ID mapping plugin for cifs-utils
 * if_freenameindex - get network interface names and indexes
 * if_indextoname - mappings between network interface names and indexes
 * if_nameindex - get network interface names and indexes
 * if_nametoindex - mappings between network interface names and indexes
 * ifconfig - configure a network interface
 * ifdata - get network interface info without parsing ifconfig output
 * ifdown - take a network interface down
 * ifnames - Extract CPP conditionals from a set of files
 * ifne - Run command if the standard input is not empty
 * ifquery - parse interface configuration
 * ifup - bring a network interface up
 * ifuse - Mount directories of an iOS device locally using fuse.
 * ilbmtoppm - convert an ILBM file into a portable pixmap
 * ilogb - get integer exponent of a floating-point value
 * ilogbf - get integer exponent of a floating-point value
 * ilogbl - get integer exponent of a floating-point value
 * im-config - set up input method configuration for X Window System
 * im-launch - launch input method and execute session program
 * ImageMagick-im6.q16 - is a free software suite for the creation, modification and dis...
 * imagetops - generic image to ps filter
 * imaxdiv - compute quotient and remainder of an integer division
 * img2txt - convert images to various text-based coloured files
 * imgtoppm - convert an Img-whatnot file into a portable pixmap
 * import - saves any visible window on an X server and outputs it as an image...
 * import-im6 - saves any visible window on an X server and outputs it as an image...
 * import-im6.q16 - saves any visible window on an X server and outputs it as an image...
 * index - locate character in string
 * inet - Internet address manipulation routines
 * inet_addr - Internet address manipulation routines
 * inet_aton - Internet address manipulation routines
 * inet_lnaof - Internet address manipulation routines
 * inet_makeaddr - Internet address manipulation routines
 * inet_net_ntop - Internet network number conversion
 * inet_net_pton - Internet network number conversion
 * inet_netof - Internet address manipulation routines
 * inet_network - Internet address manipulation routines
 * inet_ntoa - Internet address manipulation routines
 * inet_ntop - convert IPv4 and IPv6 addresses from binary to text form
 * inet_pton - convert IPv4 and IPv6 addresses from text to binary form
 * info - readable online documentation
 * infocmp - compare or print out terminfo descriptions
 * infotocap - convert a terminfo description into a termcap description
 * init - systemd system and service manager
 * init-d-script - interpreter for short and simple init.d scripts
 * init_module - load a kernel module
 * initstate - random number generator
 * initstate_r - reentrant random number generator
 * innetgr - handle network group entries
 * inode - file inode information
 * inotify - monitoring filesystem events
 * inplace (3am) - emulate sed/perl/ruby in-place editing
 * inputattach - attach a serial line to an input-layer device
 * insmod - Simple program to insert a module into the Linux Kernel
 * install - copy files and set attributes
 * install-docs - manage online Debian documentation
 * installkernel - install a new kernel image
 * instmodsh - A shell to examine installed modules
 * integritysetup - manage dm-integrity (block level integrity) volumes
 * intel-virtual-output - Utility for connecting the Integrated Intel GPU to discrete ou...
 * intro - introduction to user commands
 * intro - introduction to file formats and filesystems
 * intro - introduction to games
 * intro - introduction to overview and miscellany section
 * intro - introduction to administration and privileged commands
 * inxi - Command line system information script for console and IRC
 * IO::Async::Debug (3pm)- debugging control and support for IO::Async
 * IO::Async::Loop (3pm)- core loop of the "IO::Async" framework
 * IO::Async::Process (3pm)- start and manage a child process
 * IO::Async::Socket (3pm)- event callbacks and send buffering for a socket filehandle
 * IO::Async::Stream (3pm)- event callbacks and write bufering for a stream filehandle
 * IO::HTML (3pm) - Open an HTML file with automatic charset detection
 * IO::Socket::Socks (3pm)- Provides a way to create socks client or server both 4 and 5 ve...
 * IO::Socket::SSL::PublicSuffix (3pm)- provide access to Mozilla's list of effective TLD n...
 * IO::Socket::SSL::Utils (3pm)-- loading, storing, creating certificates and keys
 * IO::Tty (3pm) - Low-level allocate a pseudo-Tty, import constants.
 * IO::Tty::Constant (3pm)- Terminal Constants (autogenerated)
 * io_cancel - cancel an outstanding asynchronous I/O operation
 * ioctl_console - ioctls for console terminal and virtual consoles
 * ioctl_ficlone - share some the data of one file with another file
 * ioctl_ficlonerange - share some the data of one file with another file
 * ioctl_fideduperange - share some the data of one file with another file
 * ioctl_list - list of ioctl calls in Linux/i386 kernel
 * ioctl_ns - ioctl operations for Linux namespaces
 * ioctl_tty - ioctls for terminals and serial lines
 * ioctl_userfaultfd - create a file descriptor for handling page faults in user space
 * ionice - set or get process I/O scheduling class and priority
 * ioperm - set port input/output permissions
 * ioprio_get - get/set I/O scheduling class and priority
 * ioprio_set - get/set I/O scheduling class and priority
 * ip - show / manipulate routing, network devices, interfaces and tunnels
 * ip-gue - Generic UDP Encapsulation receive port configuration
 * ip-l2tp - L2TPv3 static unmanaged tunnel configuration
 * ip-link - network device configuration
 * ip-monitor - state monitoring
 * ip-neighbour - neighbour/arp tables management.
 * ip-netconf - network configuration monitoring
 * ip-netns - process network namespace management
 * ip-nexthop - nexthop object management
 * ip-ntable - neighbour table configuration
 * ip-tunnel - tunnel configuration
 * ip-vrf - run a command against a vrf
 * ip-xfrm - transform configuration
 * ip6tables - administration tool for IPv4/IPv6 packet filtering and NAT
 * ip6tables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-legacy-restore - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-legacy-save - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-nft - iptables using nftables kernel api
 * ip6tables-nft-restore - iptables using nftables kernel api
 * ip6tables-nft-save - iptables using nftables kernel api
 * ip6tables-restore-translate - translation tool to migrate from iptables to nftables
 * ip6tables-translate - translation tool to migrate from ip6tables to nftables
 * IPC::Run (3pm) - system and background procs w/ piping, redirs, ptys (Unix, Win32)
 * IPC::Run::Debug (3pm)- debugging routines for IPC::Run
 * IPC::Run::IO (3pm) -- I/O channels for IPC::Run.
 * IPC::Run::Timer (3pm)-- Timer channels for IPC::Run.
 * IPC::System::Simple (3pm)- Run commands simply, with detailed diagnostics
 * ipc_namespaces - overview of Linux IPC namespaces
 * ipcmk - make various IPC resources
 * ipcs - show information on IPC facilities
 * ippeveprinter - an ipp everywhere printer application for cups
 * ippfind - find internet printing protocol printers
 * ipptool - perform internet printing protocol requests
 * ipptoolfile - ipptool file format
 * iptables - administration tool for IPv4/IPv6 packet filtering and NAT
 * iptables-extensions - list of extensions in the standard iptables distribution
 * iptables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-legacy-restore - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-legacy-save - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-nft - iptables using nftables kernel api
 * iptables-nft-restore - iptables using nftables kernel api
 * iptables-nft-save - iptables using nftables kernel api
 * iptables-restore-translate - translation tool to migrate from iptables to nftables
 * iptables-translate - translation tool to migrate from iptables to nftables
 * iptables-xml - Convert iptables-save format to XML
 * iptraf-ng - Interactive Colorful IP LAN Monitor
 * iptunnel - Create and manage IP tunnels
 * iruserok - routines for returning a stream to a remote command
 * iruserok_af - routines for returning a stream to a remote command
 * isadump - examine ISA registers
 * isastream - unimplemented system calls
 * isatty - test whether a file descriptor refers to a terminal
 * ischroot - detect if running in a chroot
 * iso-8859-1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-10 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-11 - ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-13 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-14 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-15 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-16 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-5 - ISO 8859-5 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-6 - ISO 8859-6 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-7 - ISO 8859-7 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-8 - ISO 8859-8 character set encoded in octal, decimal, and hexadecimal
 * iso-8859-9 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-10 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-11 - ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-13 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-14 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-15 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-16 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-5 - ISO 8859-5 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-6 - ISO 8859-6 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-7 - ISO 8859-7 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-8 - ISO 8859-8 character set encoded in octal, decimal, and hexadecimal
 * iso_8859-9 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_10 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_11 - ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_13 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_14 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_15 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_16 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_5 - ISO 8859-5 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_6 - ISO 8859-6 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_7 - ISO 8859-7 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_8 - ISO 8859-8 character set encoded in octal, decimal, and hexadecimal
 * iso_8859_9 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * isodump - Utility programs for dumping and verifying iso9660 images.
 * isohybrid.pl - Postprocess ISO images for hybrid mode (Perl)
 * isoinfo - Utility programs for dumping and verifying iso9660 images.
 * isovfy - Utility programs for dumping and verifying iso9660 images.
 * issue - prelogin message and identification file
 * iucode-tool - Tool to manipulate Intel IA-32/X86-64 microcode bundles
 * iucode_tool - Tool to manipulate Intel IA-32/X86-64 microcode bundles
 * iw - show / manipulate wireless devices and their configuration
 * iwconfig - configure a wireless network interface
 * iwevent - Display Wireless Events generated by drivers and setting changes
 * iwgetid - Report ESSID, NWID or AP/Cell Address of wireless network
 * iwlist - Get more detailed wireless information from a wireless interface
 * iwpriv - configure optionals (private) parameters of a wireless network int...
 * j0 - Bessel functions of the first kind
 * j0f - Bessel functions of the first kind
 * j0l - Bessel functions of the first kind
 * j1 - Bessel functions of the first kind
 * j1f - Bessel functions of the first kind
 * j1l - Bessel functions of the first kind
 * jardetector - binfmt helper to check if a zip/jar file contains a MANIFEST.
 * jarsigner - Signs and verifies Java Archive (JAR) files.
 * javac - Reads Java class and interface definitions and compiles them into ...
 * javadoc - Generates HTML pages of API documentation from Java source files.
 * javap - Disassembles one or more class files.
 * jcmd - Sends diagnostic command requests to a running Java Virtual Machin...
 * jconsole - Starts a graphical console that lets you monitor and manage Java a...
 * jdb - Finds and fixes bugs in Java platform programs.
 * jdeps - Java class dependency analyzer.
 * jfs_fsck - initiate replay of the JFS transaction log, and check and repair a...
 * jfs_fscklog - extract a JFS fsck service log into a file and/or format and displ...
 * jfs_logdump - dump a JFS formatted device's journal log
 * jfs_mkfs - create a JFS formatted partition
 * jfs_tune - adjust tunable file system parameters on JFS
 * jinfo - Generates configuration information. This command is experimental ...
 * jjs - Invokes the Nashorn engine.
 * jmap - Prints shared object memory maps or heap memory details for a proc...
 * jn - Bessel functions of the first kind
 * jnf - Bessel functions of the first kind
 * jnl - Bessel functions of the first kind
 * join - join lines of two files on a common field
 * join-dctrl - perform relational join on data in dctrl format
 * jp2a - convert JPEG images to ASCII
 * jpegexiforient - reads or writes the Exif Orientation Tag
 * jpegtopnm - convert JPEG/JFIF file to portable pixmap or graymap
 * jpegtran - lossless transformation of JPEG files
 * jpgicc - little cms ICC profile applier for JPEG.
 * jps - Lists the instrumented Java Virtual Machines (JVMs) on the target ...
 * jrand48 - generate uniformly distributed pseudo-random numbers
 * jrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * jrunscript - Runs a command-line script shell that supports interactive and bat...
 * JSON::MaybeXS (3pm) - Use Cpanel::JSON::XS with a fallback to JSON::XS and JSON::PP
 * json_pp - JSON::PP command utility
 * jstack - Prints Java thread stack traces for a Java process, core file, or ...
 * jstat - Monitors Java Virtual Machine (JVM) statistics. This command is ex...
 * jstatd - Monitors Java Virtual Machines (JVMs) and enables remote monitorin...
 * JxrDecApp - JPEG XR Decoder Utility
 * JxrEncApp - JPEG XR Encoder Utility
 * kbdinfo - obtain information about the status of a console
 * kbdrate - reset the keyboard repeat rate and delay time
 * kcmp - compare two processes to determine if they share a kernel resource
 * kcookiejar5 - Command line interface to the KDE HTTP cookie daemon
 * keditbookmarks - Bookmark Organizer and Editor
 * kernel-command-line - Kernel command line parameters
 * kernel-install - Add and remove kernel and initramfs images to and from /boot
 * kerneloops - program to collect and submit kernel oopses to oops.kernel.org
 * kexec_file_load - load a new kernel for later execution
 * kexec_load - load a new kernel for later execution
 * key.dns_resolver - upcall for request-key to handle dns_resolver keys
 * key_decryptsession - interfaces to rpc keyserver daemon
 * key_encryptsession - interfaces to rpc keyserver daemon
 * key_gendes - interfaces to rpc keyserver daemon
 * key_secretkey_is_set - interfaces to rpc keyserver daemon
 * key_setsecret - interfaces to rpc keyserver daemon
 * keyctl - manipulate the kernel's key management facility
 * keymaps - keyboard table descriptions for loadkeys and dumpkeys
 * keyring - Python-Keyring command-line utility
 * keyrings - in-kernel key management and retention facility
 * keytool - Manages a keystore (database) of cryptographic keys, X.509 certifi...
 * keyutils - in-kernel key management utilities
 * kf5-config - Prints Qt(TM) and Frameworks installation paths
 * kill - send a signal to a process
 * kill - send signal to a process
 * killall - kill processes by name
 * killall5 - send a signal to all processes.
 * killpg - send signal to a process group
 * killpg - send signal to a process group
 * klogctl - read and/or clear kernel message ring buffer; set console_loglevel
 * kmem - system memory, kernel memory and system ports
 * kmod - Program to manage Linux Kernel modules
 * kmodsign - Kernel module signing tool
 * koi8-r - Russian character set encoded in octal, decimal, and hexadecimal
 * koi8-u - Ukrainian character set encoded in octal, decimal, and hexadecimal
 * kpartx - Create device maps from partition tables.
 * l2ping - Send L2CAP echo request and receive answer
 * l64a - convert between long and base-64
 * lastcomm - print out information about previously executed commands.
 * lastlog - reports the most recent login of all users or of a given user
 * latin1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * latin10 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * latin2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * latin3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * latin4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * latin5 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * latin6 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * latin7 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * latin8 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * latin9 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * lcf - Determine which of the historical versions of a config is installed
 * lchown - change ownership of a file
 * lchown32 - change ownership of a file
 * lckpwdf - get shadow password file entry
 * lcong48 - generate uniformly distributed pseudo-random numbers
 * lcong48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * ld-linux - dynamic linker/loader
 * ld-linux.so - dynamic linker/loader
 * ld.so - dynamic linker/loader
 * ldap.conf - LDAP configuration file/environment variables
 * ldattach - attach a line discipline to a serial line
 * ldconfig - configure dynamic linker run-time bindings
 * ldd - print shared object dependencies
 * ldiv - compute quotient and remainder of an integer division
 * le16toh - convert values between host and big-/little-endian byte order
 * le32toh - convert values between host and big-/little-endian byte order
 * le64toh - convert values between host and big-/little-endian byte order
 * leaftoppm - convert Interleaf image format to a portable anymap
 * lefty - A Programmable Graphics Editor
 * lessecho - expand metacharacters
 * lesskey - specify key bindings for less
 * lesspipe - "input preprocessor" for less.
 * lex - the fast lexical analyser generator
 * lexgrog - parse header information in man pages
 * lfind - linear search of an array
 * lgamma - log gamma function
 * lgamma_r - log gamma function
 * lgammaf - log gamma function
 * lgammaf_r - log gamma function
 * lgammal - log gamma function
 * lgammal_r - log gamma function
 * lgetxattr - retrieve an extended attribute value
 * libc - overview of standard C libraries on Linux
 * libmaxminddb - a library for working with MaxMind DB files
 * libnetcfg - configure libnet
 * libnetlink - A library for accessing the netlink service
 * libnss_myhostname.so.2 - Provide hostname resolution for the locally configured syste...
 * libnss_systemd.so.2 - Provide UNIX user and group name resolution for user/group look...
 * libOpenCL - OCL-ICD implementation of OpenCL ICD loader
 * libOpenCL.so - OCL-ICD implementation of OpenCL ICD loader
 * libsmbclient - An extension library for browsers and that can be used as a generi...
 * libtoolize - Prepare a package to use libtool
 * libwww::lwpcook (3pm)- The libwww-perl cookbook
 * link - make a new name for a file
 * linkat - make a new name for a file
 * linkicc - little cms device link generator.
 * links - lynx-like alternative character mode WWW browser
 * lintian-info - give detailed information about Lintian's error tags
 * Lintian::Architecture -- Lintian API for handling architectures and wildcards
 * Lintian::Check -- Common facilities for Lintian checks
 * Lintian::Command - Utilities to execute other commands from lintian code
 * Lintian::Command::Simple - Run commands without pipes
 * Lintian::Deb822Parser - Lintian's generic Deb822 parser functions
 * Lintian::Index - access to collected data about the upstream (orig) sources
 * Lintian::Index::Ar - binary symbol information.
 * Lintian::Index::Control -- An index of a control file set
 * Lintian::Index::Control::Scripts - information about maintainer scripts.
 * Lintian::Index::FileInfo - determine file type via magic.
 * Lintian::Index::Installed -- An index of an installed file set
 * Lintian::Index::Java - java information.
 * Lintian::Index::Md5sums - calculate checksums for index.
 * Lintian::Index::Objdump - binary symbol information.
 * Lintian::Index::Orig -- An index of an upstream (orig) file set
 * Lintian::Index::Patched -- An index of a patched file set
 * Lintian::Index::Scripts - information about scripts.
 * Lintian::Index::Strings - strings in binary files.
 * Lintian::Inspect::Changelog -- Parse a literal version string into its constituents
 * Lintian::Inspect::Changelog::Entry - represents one entry in a Debian changelog
 * Lintian::Inspect::Changelog::Version -- Parse a literal version string into its cons...
 * Lintian::Maintainer -- Lintian checks shared between multiple scripts
 * Lintian::Output - Lintian messaging handling
 * Lintian::Processable::Binary::Changelog - collect changelog information
 * Lintian::Processable::Binary::Copyright - collect copyright information
 * Lintian::Processable::Patched - access to sources with Debian patches applied
 * Lintian::Processable::Source::Diffstat - collect diffstat information
 * Lintian::Processable::Source::Format - Lintian interface to source format
 * Lintian::Profile - Profile parser for Lintian
 * Lintian::Relation - Lintian operations on dependencies and relationships
 * Lintian::Relation::Version - Comparison operators on Debian versions
 * Lintian::SlidingWindow - Lintian interface to sliding window match
 * Lintian::Tag -- Common facilities for Lintian tags found and to be issued
 * Lintian::Tag::Standard - standard tag with arguments concatenated by space
 * Lintian::Tutorial -- The newcomer's guide to Lintian
 * Lintian::Tutorial::TestSuite -- Quick intro to running the Lintian testsuite
 * linux-check-removal - check whether removal of a kernel is safe
 * linux-update-symlinks - maintain symlinks to default kernel and initramfs
 * linux-version - operate on Linux kernel version strings
 * linux32 - change reported architecture in new program environment and/or set...
 * linux64 - change reported architecture in new program environment and/or set...
 * lirc - lirc devices
 * lispmtopgm - convert a Lisp Machine bitmap file into pgm format
 * list (1ssl) - list algorithms and features
 * List::Compare (3pm) - Compare elements of two or more lists
 * List::Compare::Base::_Auxiliary (3pm)- Internal use only
 * List::Compare::Base::_Engine (3pm)- Internal use only
 * List::Compare::Functional (3pm)- Compare elements of two or more lists
 * List::MoreUtils (3pm)- Provide the stuff missing in List::Util
 * List::MoreUtils::Contributing (3pm)- Gives rough introduction into contributing to List:...
 * List::MoreUtils::PP (3pm)- Provide List::MoreUtils pure Perl implementation
 * List::MoreUtils::XS (3pm)- Provide compiled List::MoreUtils functions
 * LIST_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail qu...
 * LIST_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queues...
 * LIST_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail queue...
 * LIST_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * listen - listen for connections on a socket
 * listxattr - list extended attribute names
 * lldiv - compute quotient and remainder of an integer division
 * llistxattr - list extended attribute names
 * llrint - round to nearest integer
 * llrintf - round to nearest integer
 * llrintl - round to nearest integer
 * llround - round to nearest integer
 * llroundf - round to nearest integer
 * llroundl - round to nearest integer
 * lmhosts - The Samba NetBIOS hosts file
 * lmtp (8postfix) - Postfix SMTP+LMTP client
 * ln - make links between files
 * lneato - A Customizable Graph Editor
 * lnstat - unified linux network statistics
 * loadunimap - load the kernel unicode-to-font mapping table
 * local (8postfix) - Postfix local mail delivery
 * locale - get locale-specific information
 * locale-gen - generates localisation files from templates
 * Locale::gettext (3pm)- message handling functions
 * Locale::gettext_dumb (3pm)- Locale unaware Implementation of Uniforum Message Translation
 * Locale::gettext_pp (3pm)- Pure Perl Implementation of Uniforum Message Translation
 * Locale::gettext_xs (3pm)- XS Implementation of Uniforum Message Translation
 * Locale::libintlFAQ (3pm)- Frequently asked questions for libintl-perl
 * Locale::Messages (3pm)- Gettext Like Message Retrieval
 * Locale::Recode (3pm)- Object-Oriented Portable Charset Conversion
 * Locale::Recode::_Aliases (3pm)- Internal Charset Alias Database for libintl-perl
 * Locale::RecodeData::_Encode (3pm)- Internal wrapper around Encode
 * Locale::RecodeData::ASMO_449 (3pm)- Conversion routines for ASMO_449
 * Locale::RecodeData::ATARI_ST (3pm)- Conversion routines for ATARI-ST
 * Locale::RecodeData::ATARI_ST_EURO (3pm)- Conversion routines for ATARI-ST-EURO
 * Locale::RecodeData::CP10007 (3pm)- Conversion routines for CP10007
 * Locale::RecodeData::CP1250 (3pm)- Conversion routines for CP1250
 * Locale::RecodeData::CP1251 (3pm)- Conversion routines for CP1251
 * Locale::RecodeData::CP1252 (3pm)- Conversion routines for CP1252
 * Locale::RecodeData::CP1253 (3pm)- Conversion routines for CP1253
 * Locale::RecodeData::CP1254 (3pm)- Conversion routines for CP1254
 * Locale::RecodeData::CP1256 (3pm)- Conversion routines for CP1256
 * Locale::RecodeData::CP1257 (3pm)- Conversion routines for CP1257
 * Locale::RecodeData::CSN_369103 (3pm)- Conversion routines for CSN_369103
 * Locale::RecodeData::CWI (3pm)- Conversion routines for CWI
 * Locale::RecodeData::DEC_MCS (3pm)- Conversion routines for DEC_MCS
 * Locale::RecodeData::EBCDIC_AT_DE (3pm)- Conversion routines for EBCDIC_AT_DE
 * Locale::RecodeData::EBCDIC_AT_DE_A (3pm)- Conversion routines for EBCDIC_AT_DE_A
 * Locale::RecodeData::EBCDIC_CA_FR (3pm)- Conversion routines for EBCDIC_CA_FR
 * Locale::RecodeData::EBCDIC_DK_NO (3pm)- Conversion routines for EBCDIC_DK_NO
 * Locale::RecodeData::EBCDIC_DK_NO_A (3pm)- Conversion routines for EBCDIC_DK_NO_A
 * Locale::RecodeData::EBCDIC_ES (3pm)- Conversion routines for EBCDIC_ES
 * Locale::RecodeData::EBCDIC_ES_A (3pm)- Conversion routines for EBCDIC_ES_A
 * Locale::RecodeData::EBCDIC_ES_S (3pm)- Conversion routines for EBCDIC_ES_S
 * Locale::RecodeData::EBCDIC_FI_SE (3pm)- Conversion routines for EBCDIC_FI_SE
 * Locale::RecodeData::EBCDIC_FI_SE_A (3pm)- Conversion routines for EBCDIC_FI_SE_A
 * Locale::RecodeData::EBCDIC_FR (3pm)- Conversion routines for EBCDIC_FR
 * Locale::RecodeData::EBCDIC_IS_FRISS (3pm)- Conversion routines for EBCDIC_IS_FRISS
 * Locale::RecodeData::EBCDIC_IT (3pm)- Conversion routines for EBCDIC_IT
 * Locale::RecodeData::EBCDIC_PT (3pm)- Conversion routines for EBCDIC_PT
 * Locale::RecodeData::EBCDIC_UK (3pm)- Conversion routines for EBCDIC_UK
 * Locale::RecodeData::EBCDIC_US (3pm)- Conversion routines for EBCDIC_US
 * Locale::RecodeData::ECMA_CYRILLIC (3pm)- Conversion routines for ECMA_CYRILLIC
 * Locale::RecodeData::GEORGIAN_ACADEMY (3pm)- Conversion routines for GEORGIAN-ACADEMY
 * Locale::RecodeData::GEORGIAN_PS (3pm)- Conversion routines for GEORGIAN-PS
 * Locale::RecodeData::GOST_19768_74 (3pm)- Conversion routines for GOST_19768_74
 * Locale::RecodeData::GREEK7 (3pm)- Conversion routines for GREEK7
 * Locale::RecodeData::GREEK7_OLD (3pm)- Conversion routines for GREEK7_OLD
 * Locale::RecodeData::GREEK_CCITT (3pm)- Conversion routines for GREEK_CCITT
 * Locale::RecodeData::HP_ROMAN8 (3pm)- Conversion routines for HP_ROMAN8
 * Locale::RecodeData::IBM037 (3pm)- Conversion routines for IBM037
 * Locale::RecodeData::IBM038 (3pm)- Conversion routines for IBM038
 * Locale::RecodeData::IBM1004 (3pm)- Conversion routines for IBM1004
 * Locale::RecodeData::IBM1026 (3pm)- Conversion routines for IBM1026
 * Locale::RecodeData::IBM1047 (3pm)- Conversion routines for IBM1047
 * Locale::RecodeData::IBM256 (3pm)- Conversion routines for IBM256
 * Locale::RecodeData::IBM273 (3pm)- Conversion routines for IBM273
 * Locale::RecodeData::IBM274 (3pm)- Conversion routines for IBM274
 * Locale::RecodeData::IBM275 (3pm)- Conversion routines for IBM275
 * Locale::RecodeData::IBM277 (3pm)- Conversion routines for IBM277
 * Locale::RecodeData::IBM278 (3pm)- Conversion routines for IBM278
 * Locale::RecodeData::IBM280 (3pm)- Conversion routines for IBM280
 * Locale::RecodeData::IBM281 (3pm)- Conversion routines for IBM281
 * Locale::RecodeData::IBM284 (3pm)- Conversion routines for IBM284
 * Locale::RecodeData::IBM285 (3pm)- Conversion routines for IBM285
 * Locale::RecodeData::IBM290 (3pm)- Conversion routines for IBM290
 * Locale::RecodeData::IBM297 (3pm)- Conversion routines for IBM297
 * Locale::RecodeData::IBM420 (3pm)- Conversion routines for IBM420
 * Locale::RecodeData::IBM423 (3pm)- Conversion routines for IBM423
 * Locale::RecodeData::IBM424 (3pm)- Conversion routines for IBM424
 * Locale::RecodeData::IBM437 (3pm)- Conversion routines for IBM437
 * Locale::RecodeData::IBM500 (3pm)- Conversion routines for IBM500
 * Locale::RecodeData::IBM850 (3pm)- Conversion routines for IBM850
 * Locale::RecodeData::IBM851 (3pm)- Conversion routines for IBM851
 * Locale::RecodeData::IBM852 (3pm)- Conversion routines for IBM852
 * Locale::RecodeData::IBM855 (3pm)- Conversion routines for IBM855
 * Locale::RecodeData::IBM857 (3pm)- Conversion routines for IBM857
 * Locale::RecodeData::IBM860 (3pm)- Conversion routines for IBM860
 * Locale::RecodeData::IBM861 (3pm)- Conversion routines for IBM861
 * Locale::RecodeData::IBM862 (3pm)- Conversion routines for IBM862
 * Locale::RecodeData::IBM863 (3pm)- Conversion routines for IBM863
 * Locale::RecodeData::IBM864 (3pm)- Conversion routines for IBM864
 * Locale::RecodeData::IBM865 (3pm)- Conversion routines for IBM865
 * Locale::RecodeData::IBM866 (3pm)- Conversion routines for IBM866
 * Locale::RecodeData::IBM868 (3pm)- Conversion routines for IBM868
 * Locale::RecodeData::IBM869 (3pm)- Conversion routines for IBM869
 * Locale::RecodeData::IBM870 (3pm)- Conversion routines for IBM870
 * Locale::RecodeData::IBM871 (3pm)- Conversion routines for IBM871
 * Locale::RecodeData::IBM874 (3pm)- Conversion routines for IBM874
 * Locale::RecodeData::IBM875 (3pm)- Conversion routines for IBM875
 * Locale::RecodeData::IBM880 (3pm)- Conversion routines for IBM880
 * Locale::RecodeData::IBM891 (3pm)- Conversion routines for IBM891
 * Locale::RecodeData::IBM903 (3pm)- Conversion routines for IBM903
 * Locale::RecodeData::IBM904 (3pm)- Conversion routines for IBM904
 * Locale::RecodeData::IBM905 (3pm)- Conversion routines for IBM905
 * Locale::RecodeData::IBM918 (3pm)- Conversion routines for IBM918
 * Locale::RecodeData::IEC_P27_1 (3pm)- Conversion routines for IEC_P27_1
 * Locale::RecodeData::INIS (3pm)- Conversion routines for INIS
 * Locale::RecodeData::INIS_8 (3pm)- Conversion routines for INIS_8
 * Locale::RecodeData::INIS_CYRILLIC (3pm)- Conversion routines for INIS_CYRILLIC
 * Locale::RecodeData::ISO_10367_BOX (3pm)- Conversion routines for ISO_10367_BOX
 * Locale::RecodeData::ISO_2033_1983 (3pm)- Conversion routines for ISO_2033_1983
 * Locale::RecodeData::ISO_5427 (3pm)- Conversion routines for ISO_5427
 * Locale::RecodeData::ISO_5427_EXT (3pm)- Conversion routines for ISO_5427_EXT
 * Locale::RecodeData::ISO_5428 (3pm)- Conversion routines for ISO_5428
 * Locale::RecodeData::ISO_8859_1 (3pm)- Conversion routines for ISO-8859-1
 * Locale::RecodeData::ISO_8859_10 (3pm)- Conversion routines for ISO-8859-10
 * Locale::RecodeData::ISO_8859_11 (3pm)- Conversion routines for ISO-8859-11
 * Locale::RecodeData::ISO_8859_13 (3pm)- Conversion routines for ISO-8859-13
 * Locale::RecodeData::ISO_8859_14 (3pm)- Conversion routines for ISO-8859-14
 * Locale::RecodeData::ISO_8859_15 (3pm)- Conversion routines for ISO-8859-15
 * Locale::RecodeData::ISO_8859_16 (3pm)- Conversion routines for ISO-8859-16
 * Locale::RecodeData::ISO_8859_2 (3pm)- Conversion routines for ISO-8859-2
 * Locale::RecodeData::ISO_8859_3 (3pm)- Conversion routines for ISO-8859-3
 * Locale::RecodeData::ISO_8859_4 (3pm)- Conversion routines for ISO-8859-4
 * Locale::RecodeData::ISO_8859_5 (3pm)- Conversion routines for ISO-8859-5
 * Locale::RecodeData::ISO_8859_6 (3pm)- Conversion routines for ISO-8859-6
 * Locale::RecodeData::ISO_8859_7 (3pm)- Conversion routines for ISO-8859-7
 * Locale::RecodeData::ISO_8859_8 (3pm)- Conversion routines for ISO-8859-8
 * Locale::RecodeData::ISO_8859_9 (3pm)- Conversion routines for ISO-8859-9
 * Locale::RecodeData::KOI8_R (3pm)- Conversion routines for KOI8-R
 * Locale::RecodeData::KOI8_RU (3pm)- Conversion routines for KOI8-RU
 * Locale::RecodeData::KOI8_T (3pm)- Conversion routines for KOI8-T
 * Locale::RecodeData::KOI8_U (3pm)- Conversion routines for KOI8-U
 * Locale::RecodeData::KOI_8 (3pm)- Conversion routines for KOI-8
 * Locale::RecodeData::LATIN_GREEK (3pm)- Conversion routines for LATIN_GREEK
 * Locale::RecodeData::LATIN_GREEK_1 (3pm)- Conversion routines for LATIN_GREEK_1
 * Locale::RecodeData::MAC_IS (3pm)- Conversion routines for MAC-IS
 * Locale::RecodeData::MAC_SAMI (3pm)- Conversion routines for MAC-SAMI
 * Locale::RecodeData::MAC_UK (3pm)- Conversion routines for MAC-UK
 * Locale::RecodeData::MACARABIC (3pm)- Conversion routines for MACARABIC
 * Locale::RecodeData::MACCROATIAN (3pm)- Conversion routines for MACCROATIAN
 * Locale::RecodeData::MACCYRILLIC (3pm)- Conversion routines for MACCYRILLIC
 * Locale::RecodeData::MACGREEK (3pm)- Conversion routines for MACGREEK
 * Locale::RecodeData::MACHEBREW (3pm)- Conversion routines for MACHEBREW
 * Locale::RecodeData::MACICELAND (3pm)- Conversion routines for MACICELAND
 * Locale::RecodeData::MACINTOSH (3pm)- Conversion routines for MACINTOSH
 * Locale::RecodeData::MACROMANIA (3pm)- Conversion routines for MACROMANIA
 * Locale::RecodeData::MACTHAI (3pm)- Conversion routines for MACTHAI
 * Locale::RecodeData::MACTURKISH (3pm)- Conversion routines for MACTURKISH
 * Locale::RecodeData::MACUKRAINE (3pm)- Conversion routines for MACUKRAINE
 * Locale::RecodeData::NATS_DANO (3pm)- Conversion routines for NATS_DANO
 * Locale::RecodeData::NATS_SEFI (3pm)- Conversion routines for NATS_SEFI
 * Locale::RecodeData::NEXTSTEP (3pm)- Conversion routines for NEXTSTEP
 * Locale::RecodeData::SAMI_WS2 (3pm)- Conversion routines for SAMI_WS2
 * Locale::RecodeData::TIS_620 (3pm)- Conversion routines for TIS-620
 * Locale::RecodeData::US_ASCII (3pm)- Conversion routines for US-ASCII
 * Locale::RecodeData::UTF_8 (3pm)- Conversion routines for UTF-8
 * Locale::RecodeData::VISCII (3pm)- Conversion routines for VISCII
 * Locale::TextDomain (3pm)- Perl Interface to Uniforum Message Translation
 * Locale::Util (3pm) - Portable l10n and i10n functions
 * localeconv - get numeric formatting information
 * localectl - Control the system locale and keyboard layout settings
 * localedef - compile locale definition files
 * localtime - transform date and time to broken-down time or ASCII
 * localtime - Local timezone configuration file
 * localtime_r - transform date and time to broken-down time or ASCII
 * locate - find files by name
 * lock - unimplemented system calls
 * lockf - apply, test or remove a POSIX lock on an open file
 * logb - get exponent of a floating-point value
 * logbf - get exponent of a floating-point value
 * logbl - get exponent of a floating-point value
 * logger - enter messages into the system log
 * login - begin session on the system
 * login - write utmp and wtmp entries
 * login.defs - shadow password suite configuration
 * login_tty - terminal utility functions
 * loginctl - Control the systemd login manager
 * logind.conf - Login manager configuration files
 * logind.conf.d - Login manager configuration files
 * logname - print user's login name
 * logout - write utmp and wtmp entries
 * logresolve - Resolve IP-addresses to hostnames in Apache log files
 * logrotate - rotates, compresses, and mails system logs
 * logrotate.conf - rotates, compresses, and mails system logs
 * logsave - save the output of a command in a logfile
 * logwtmp - append an entry to the wtmp file
 * lomath - LibreOffice office suite
 * look - display lines beginning with a given string
 * lookup_dcookie - return a directory entry's path
 * lorder - list dependencies for object files
 * losetup - set up and control loop devices
 * lowntfs-3g - Third Generation Read/Write NTFS Driver
 * lp - line printer devices
 * lpadmin - configure cups printers and classes
 * lpc - line printer control program (deprecated)
 * lpinfo - show available devices or drivers (deprecated)
 * lpmove - move a job or all jobs to a new destination
 * lpoptions - display or set printer options and defaults
 * lpq - show printer queue status
 * lpr - print files
 * lprm - cancel print jobs
 * lpstat - print cups status information
 * lrand48 - generate uniformly distributed pseudo-random numbers
 * lrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * lremovexattr - remove an extended attribute
 * lrf2lrs - lrf2lrs
 * lrfviewer - lrfviewer
 * lrint - round to nearest integer
 * lrintf - round to nearest integer
 * lrintl - round to nearest integer
 * lround - round to nearest integer
 * lroundf - round to nearest integer
 * lroundl - round to nearest integer
 * lrs2lrf - lrs2lrf
 * lsattr - list file attributes on a Linux second extended file system
 * lsb_release - print distribution-specific information
 * lsblk - list block devices
 * lscpu - display information about the CPU architecture
 * lsdiff - show which files are modified by a patch
 * lsearch - linear search of an array
 * lsetxattr - set an extended attribute value
 * lshw - list hardware
 * lsipc - show information on IPC facilities currently employed in the system
 * lslogins - display information about known users in the system
 * lsmem - list the ranges of available memory with their online status
 * lsmod - Show the status of modules in the Linux Kernel
 * lsns - list namespaces
 * lspcmcia - display extended PCMCIA debugging information
 * lspgpot - extracts the ownertrust values from PGP keyrings and list them in ...
 * ltrace - A library call tracer
 * ltrace.conf - Configuration file for ltrace.
 * luit - Locale and ISO 2022 support for Unicode terminals
 * luksformat - Create and format an encrypted LUKS device
 * lutimes - change file timestamps
 * lvchange - Change the attributes of logical volume
 * lvconvert - Change logical volume layout
 * lvcreate - Create a logical volume
 * lvdisplay - Display information about a logical volume
 * lvextend - Add space to a logical volume
 * lvm - LVM2 tools
 * lvm-config - Display and manipulate configuration information
 * lvm-dumpconfig - Display and manipulate configuration information
 * lvm-fullreport - (unknown subject)
 * lvm-lvpoll - (unknown subject)
 * lvm.conf - Configuration file for LVM2
 * lvm2-activation-generator - generator for systemd units to activate LVM volumes on boot
 * lvmcache - LVM caching
 * lvmconfig - Display and manipulate configuration information
 * lvmdiskscan - List devices that may be used as physical volumes
 * lvmdump - create lvm2 information dumps for diagnostic purposes
 * lvmpolld - LVM poll daemon
 * lvmraid - LVM RAID
 * lvmreport - LVM reporting and related features
 * lvmsadc - LVM system activity data collector
 * lvmsar - LVM system activity reporter
 * lvmsystemid - LVM system ID
 * lvmthin - LVM thin provisioning
 * lvmvdo - EXPERIMENTAL LVM Virtual Data Optimizer support
 * lvreduce - Reduce the size of a logical volume
 * lvremove - Remove logical volume from the system
 * lvrename - Rename a logical volume
 * lvresize - Resize a logical volume
 * lvs - Display information about logical volumes
 * lvscan - List all logical volumes in all volume groups
 * LWP (3pm) - The World-Wide Web library for Perl
 * lwp-download (1p) - Fetch large files from the web
 * lwp-dump (1p) - See what headers and content is returned for a URL
 * lwp-request (1p) - Simple command line user agent
 * LWP::Authen::Ntlm (3pm)- Library for enabling NTLM authentication (Microsoft) in LWP
 * LWP::ConnCache (3pm)- Connection cache manager
 * lynx - a general purpose distributed information browser for the World Wi...
 * lz - gunzips and shows a listing of a gzip'd tar'd archive
 * lz4 - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * lz4c - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * lz4cat - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * lzcat - Compress or decompress .xz and .lzma files
 * lzcmp - compare compressed files
 * lzdiff - compare compressed files
 * lzless - view xz or lzma compressed (text) files
 * lzma - Compress or decompress .xz and .lzma files
 * lzmainfo - show information stored in the .lzma file header
 * lzmore - view xz or lzma compressed (text) files
 * m4 - macro processor
 * machine-id - Local machine ID configuration file
 * machine-info - Local machine information file
 * madvise1 - unimplemented system calls
 * magic - file command's magic pattern file
 * mail - send and receive mail
 * Mail::Address (3pm) - parse mail addresses
 * Mail::Cap (3pm) - understand mailcap files
 * Mail::Field::Generic (3pm)- implementation for inspecific fields
 * Mail::Filter (3pm) - filter mail through multiple subroutines
 * Mail::Internet (3pm)- manipulate email messages
 * Mail::Mailer (3pm) - send simple emails
 * Mail::Send (3pm) - Simple electronic mail interface
 * Mail::Sendmail (3pm)- Simple platform independent mailer
 * mailq - Postfix to Sendmail compatibility interface
 * mailto.conf - configuration file for cups email notifier
 * MailTools (3pm) - bundle of ancient email modules
 * mailx - send and receive mail
 * maim - make image
 * make - GNU make utility to maintain groups of programs
 * make-first-existing-target - runs make on one of several targets
 * make-ssl-cert - Debconf wrapper for openssl
 * makecontext - manipulate user context
 * makedefs - Postfix makefile configuration utility
 * makedev - manage a device number
 * mako-render - renders Mako templates
 * mallinfo - obtain memory allocation information
 * malloc - allocate and free dynamic memory
 * malloc_get_state - record and restore state of malloc implementation
 * malloc_set_state - record and restore state of malloc implementation
 * malloc_usable_size - obtain size of block of memory allocated from heap
 * mallopt - set memory allocation parameters
 * man - macros to format man pages
 * man-recode - convert manual pages to another encoding
 * manconv - convert manual page from one encoding to another
 * mandb - create or update the manual page index caches
 * manpath - determine search path for manual pages
 * manpath - format of the /etc/manpath.config file
 * mapscrn - load screen output mapping table
 * master - Postfix master process configuration file format
 * master (8postfix) - Postfix master process
 * tc-matchall - traffic control filter that matches every packet
 * mate-about - Learn more about MATE
 * mate-color-select - Select a color from a palette or from screen
 * mate-desktop-item-edit - A small tool to edit .desktop files.
 * mate-panel - The Panel for the MATE Desktop Environment
 * mate-panel-test-applets - display and test installed applets
 * mate-polkit - MATE PolicyKit-1 executable wrapper
 * math_error - detecting errors from mathematical functions
 * matherr - SVID math library exception handling
 * mattrib - change MSDOS file attribute flags
 * mawk - pattern scanning and text processing language
 * MB_LEN_MAX - maximum multibyte length of a character across all locales
 * mbadblocks - tests a floppy disk, and marks the bad blocks in the FAT
 * mbind - set memory policy for a memory range
 * mblen - determine number of bytes in next multibyte character
 * mbrlen - determine number of bytes in next multibyte character
 * mbrtowc - convert a multibyte sequence to a wide character
 * mbtowc - convert a multibyte sequence to a wide character
 * mc - Visual shell for Unix-like systems.
 * mcat - dump raw disk image
 * mcd - change MSDOS directory
 * mcdiff - Visual shell for Unix-like systems.
 * mcedit - Internal file editor of GNU Midnight Commander.
 * mcheck - verify all files on an MS-DOS formatted disk
 * mcheck - heap consistency checking
 * mcheck_check_all - heap consistency checking
 * mcheck_pedantic - heap consistency checking
 * mclasserase - erase memory cards
 * mcomp - Compares two files using mtools
 * mcookie - generate magic cookies for xauth
 * mcopy - copy MSDOS files to/from Unix
 * mcview - Internal file viewer of GNU Midnight Commander.
 * md5pass - Create an MD5 password hash
 * md5sum - compute and check MD5 message digest
 * md5sum.textutils - compute and check MD5 message digest
 * mdatopbm - convert a Microdesign .mda or .mdp file into a portable bitmap
 * mdeltree - recursively delete an MSDOS directory and its contents
 * mdig - DNS pipelined lookup utility
 * mdu - display the amount of space occupied by an MSDOS directory
 * mem - system memory, kernel memory and system ports
 * memalign - allocate aligned memory
 * memcache_table - Postfix memcache client configuration
 * memccpy - copy memory area
 * memchr - scan memory for a character
 * memcmp - compare memory areas
 * memcpy - copy memory area
 * memdiskfind - Simple utility to find a resident memdisk instance.
 * memmem - locate a substring
 * mempcpy - copy memory area
 * memusagestat - generate graphic from memory profiling data
 * mplayer - movie player
 * MenuPopdown - unmap a pop-up
 * MenuPopup - map a pop-up
 * mesg - display (or do not display) messages from other users
 * metacity - minimal GTK3 Window Manager
 * metacity-theme-viewer - view metacity themes
 * metacity-window-demo - demo of window features
 * mformat - add an MSDOS filesystem to a low-level formatted floppy disk
 * mgrtopbm - convert a MGR bitmap into a portable bitmap
 * mii-tool - view, manipulate media-independent interface status
 * mimeopen (1p) - Open files by mimetype
 * mimetype (1p) - Determine file type
 * mincore - determine whether pages are resident in memory
 * minfo - print the parameters of a MSDOS filesystem
 * mingle - fast edge bundling
 * minisat - fast and lightweight SAT solver
 * mintmenu - advanced MATE menu
 * mintsources - Software Sources List editor
 * mintstick - gui only application to write .img and .iso files to USB keys
 * mintupdate - The Linux Mint Update Manager
 * mintupdate-cli - The Linux Mint Update Manager command line interface.
 * mintupdate-launcher - Linux Mint Update Manager launcher
 * mispipe - pipe two commands, returning the exit status of the first
 * mkdir - make directories
 * mkdiskimage - Create a blank MS-DOS formatted hard disk image
 * mkdosfs - create an MS-DOS filesystem under Linux
 * mkfatimage16 - generate a virtual drive image suitable for DOSEMU
 * mkfifo - make FIFOs (named pipes)
 * mkfifo - make a FIFO special file (a named pipe)
 * mkfifoat - make a FIFO special file (a named pipe)
 * mkfontdir - create an index of X font files in a directory
 * mkfontscale - create an index of scalable font files for X
 * mkfs.bfs - make an SCO bfs filesystem
 * mkfs.cramfs - make compressed ROM file system
 * mkfs.fat - create an MS-DOS filesystem under Linux
 * mkfs.hfs - construct a new HFS Plus file system
 * mkfs.hfsplus - construct a new HFS Plus file system
 * mkfs.jfs - create a JFS formatted partition
 * mkfs.minix - make a Minix filesystem
 * mkfs.msdos - create an MS-DOS filesystem under Linux
 * mkfs.vfat - create an MS-DOS filesystem under Linux
 * mkhomedir_helper - Helper binary that creates home directories
 * mkinitramfs - low-level tool for generating an initramfs image
 * mkisofs - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * mklost+found - create a lost+found directory on a mounted Linux second extended f...
 * mkmanifest - makes list of file names and their DOS 8+3 equivalent
 * mknod - make block or character special files
 * mksquashfs - tool to create and append to squashfs filesystems
 * mktemp - make a unique temporary filename
 * mktime - transform date and time to broken-down time or ASCII
 * mlabel - make an MSDOS volume label
 * mlocate - find files by name
 * mlocate.db - a mlocate database
 * mlock - lock and unlock memory
 * mlock2 - lock and unlock memory
 * mlockall - lock and unlock memory
 * mm2gv - Matrix Market-DOT converters
 * mmap - map or unmap files or devices into memory
 * mmap2 - map files or devices into memory
 * mmap64 - map or unmap files or devices into memory
 * mmcli - Control and monitor the ModemManager
 * mmd - make an MSDOS subdirectory
 * mmount - mount an MSDOS disk
 * mmove - move or rename an MSDOS file or subdirectory
 * ModemManager - mobile broadband modem management daemon
 * modf - extract signed integral and fractional values from floating-point ...
 * modff - extract signed integral and fractional values from floating-point ...
 * modfl - extract signed integral and fractional values from floating-point ...
 * modinfo - Show information about a Linux Kernel module
 * modprobe - Add and remove modules from the Linux Kernel
 * Module::Implementation (3pm)- Loads one of several alternate underlying implementations ...
 * Module::Runtime (3pm)- runtime module handling
 * modules - kernel modules to load at boot time
 * modules-load.d - Configure kernel modules to load at boot
 * modules.dep - Module dependency information
 * modules.dep.bin - Module dependency information
 * mogrify - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mogrify-im6 - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mogrify-im6.q16 - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mojo (1p) - The Mojolicious command system
 * Mojo::Asset (3pm) - HTTP content storage base class
 * Mojo::Asset::File (3pm)- File storage for HTTP content
 * Mojo::Asset::Memory (3pm)- In-memory storage for HTTP content
 * Mojo::Base (3pm) - Minimal base class for Mojo projects
 * Mojo::Content::MultiPart (3pm)- HTTP multipart content
 * Mojo::DOM (3pm) - Minimalistic HTML/XML DOM parser with CSS selectors
 * Mojo::DOM::CSS (3pm)- CSS selector engine
 * Mojo::DOM::HTML (3pm)- HTML/XML engine
 * Mojo::DynamicMethods (3pm)- Fast dynamic method dispatch
 * Mojo::IOLoop (3pm) - Minimalistic event loop
 * Mojo::IOLoop::Client (3pm)- Non-blocking TCP/IP and UNIX domain socket client
 * Mojo::IOLoop::Delay (3pm)- Promises/A+ and flow-control helpers
 * Mojo::IOLoop::Server (3pm)- Non-blocking TCP and UNIX domain socket server
 * Mojo::IOLoop::TLS (3pm)- Non-blocking TLS handshake
 * Mojo::JSON (3pm) - Minimalistic JSON
 * Mojo::Loader (3pm) - Load all kinds of things
 * Mojo::Message (3pm) - HTTP message base class
 * Mojo::Message::Request (3pm)- HTTP request
 * Mojo::Message::Response (3pm)- HTTP response
 * Mojo::Parameters (3pm)- Parameters
 * Mojo::Server::Daemon (3pm)- Non-blocking I/O HTTP and WebSocket server
 * Mojo::Server::Morbo::Backend (3pm)- Morbo backend base class
 * Mojo::Server::Morbo::Backend::Poll (3pm)- Morbo default backend
 * Mojo::Server::Prefork (3pm)- Pre-forking non-blocking I/O HTTP and WebSocket server
 * Mojo::Template (3pm)- Perl-ish templates
 * Mojo::UserAgent (3pm)- Non-blocking I/O HTTP and WebSocket user agent
 * Mojolicious (3pm) - Real-time web framework
 * Mojolicious::Command (3pm)- Command base class
 * Mojolicious::Command::Author::cpanify (3pm)- CPAN-ify command
 * Mojolicious::Command::Author::generate (3pm)- Generator command
 * Mojolicious::Command::Author::generate::app (3pm)- App generator command
 * Mojolicious::Command::Author::generate::lit... (3pm)- Lite app generator command
 * Mojolicious::Command::Author::generate::mak... (3pm)- Makefile generator command
 * Mojolicious::Command::Author::generate::plugin (3pm)- Plugin generator command
 * Mojolicious::Command::Author::inflate (3pm)- Inflate command
 * Mojolicious::Command::cgi (3pm)- CGI command
 * Mojolicious::Command::daemon (3pm)- Daemon command
 * Mojolicious::Command::eval (3pm)- Eval command
 * Mojolicious::Command::fastcgi (3pm)- FastCGI Command
 * Mojolicious::Command::get (3pm)- Get command
 * Mojolicious::Command::prefork (3pm)- Pre-fork command
 * Mojolicious::Command::psgi (3pm)- PSGI command
 * Mojolicious::Command::routes (3pm)- Routes command
 * Mojolicious::Command::version (3pm)- Version command
 * Mojolicious::Commands (3pm)- Command line interface
 * Mojolicious::Guides::Rendering (3pm)- Rendering content
 * Mojolicious::Lite (3pm)- Micro real-time web framework
 * Mojolicious::Plugin::Config (3pm)- Perl-ish configuration plugin
 * Mojolicious::Plugin::DefaultHelpers (3pm)- Default helpers plugin
 * Mojolicious::Plugin::EPLRenderer (3pm)- Embedded Perl Lite renderer plugin
 * Mojolicious::Plugin::EPRenderer (3pm)- Embedded Perl renderer plugin
 * Mojolicious::Plugin::HeaderCondition (3pm)- Header condition plugin
 * Mojolicious::Plugin::JSONConfig (3pm)- JSON configuration plugin
 * Mojolicious::Plugin::Mount (3pm)- Application mount plugin
 * Mojolicious::Plugin::TagHelpers (3pm)- Tag helpers plugin
 * Mojolicious::Renderer (3pm)- Generate dynamic content
 * Mojolicious::Routes (3pm)- Always find your destination with routes
 * Mojolicious::Routes::Match (3pm)- Find routes
 * Mojolicious::Sessions (3pm)- Session manager based on signed cookies
 * mono - Mono's ECMA-CLI native code generator (Just-in-Time and Ahead-of-T...
 * mono-config - Mono runtime file format configuration
 * montage - create a composite image by combining several separate images. The...
 * montage-im6 - create a composite image by combining several separate images. The...
 * montage-im6.q16 - create a composite image by combining several separate images. The...
 * Moo (3pm) - Minimalist Object Orientation (with Moose compatibility)
 * Moo::Role (3pm) - Minimal Object Orientation support for Roles
 * MooX::Aliases (3pm) - easy aliasing of methods and attributes in Moo
 * morbo (1p) - Morbo HTTP and WebSocket development server
 * motd - message of the day
 * mount - mount filesystem
 * mount - mount a filesystem
 * mount.cifs - mount using the Common Internet File System (CIFS)
 * mount.ecryptfs - eCryptfs mount helper.
 * mount.ecryptfs_private - eCryptfs private mount helper.
 * mount.exfat - mount an exFAT file system
 * mount.exfat-fuse - mount an exFAT file system
 * mount.fuse - format and options for the fuse file systems
 * mount.lowntfs-3g - Third Generation Read/Write NTFS Driver
 * mount.ntfs - Third Generation Read/Write NTFS Driver
 * mount.ntfs-3g - Third Generation Read/Write NTFS Driver
 * mount_namespaces - overview of Linux mount namespaces
 * mountpoint - see if a directory or file is a mountpoint
 * mousetweaks - Accessibility enhancements for pointing devices
 * move_pages - move individual pages of a process to another node
 * mpartition - partition an MSDOS hard disk
 * mprobe - heap consistency checking
 * mpx - unimplemented system calls
 * mq_close - close a message queue descriptor
 * mq_getattr - get/set message queue attributes
 * mq_getsetattr - get/set message queue attributes
 * mq_notify - register for notification when a message is available
 * mq_notify - register for notification when a message is available
 * mq_open - open a message queue
 * mq_open - open a message queue
 * mq_overview - overview of POSIX message queues
 * mq_receive - receive a message from a message queue
 * mq_send - send a message to a message queue
 * mq_setattr - get/set message queue attributes
 * mq_timedreceive - receive a message from a message queue
 * mq_timedreceive - receive a message from a message queue
 * mq_timedsend - send a message to a message queue
 * mq_timedsend - send a message to a message queue
 * mq_unlink - remove a message queue
 * mq_unlink - remove a message queue
 * mrand48 - generate uniformly distributed pseudo-random numbers
 * mrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * mren - rename an existing MSDOS file
 * mscompress - compress data using LZ77 algorithm
 * msexpand - decompress data compressed using mscompress or COMPRESS.EXE
 * msgattrib - attribute matching and manipulation on message catalog
 * msgcat - combines several message catalogs
 * msgcmp - compare message catalog and template
 * msgcomm - match two message catalogs
 * msgconv - character set conversion for message catalog
 * msgctl - System V message control operations
 * msgen - create English message catalog
 * msgexec - process translations of message catalog
 * msgfilter - edit translations of message catalog
 * msgfmt - compile message catalog to binary format
 * msgget - get a System V message queue identifier
 * msggrep - pattern matching on message catalog
 * msginit - initialize a message catalog
 * msgmerge - merge message catalog and template
 * msgop - System V message queue operations
 * msgrcv - System V message queue operations
 * msgsnd - System V message queue operations
 * msgunfmt - uncompile message catalog from binary format
 * msguniq - unify duplicate translations in message catalog
 * mshortname - shows short name of a file
 * mshowfat - shows FAT clusters allocated to file
 * msiexec - Wine MSI Installer
 * msiexec-stable - Wine MSI Installer
 * mt - control magnetic tape drive operation
 * mt-gnu - control magnetic tape drive operation
 * mtools - utilities to access DOS disks in Unix.
 * mtools - mtools configuration files
 * mtools.conf - mtools configuration files
 * mtools.tmpl - utilities to access DOS disks in Unix.
 * mtoolstest - tests and displays the configuration
 * mtp-albumart - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-albums - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-connect - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-delfile - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-detect - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-emptyfolders - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-files - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-filetree - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-folders - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-format - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-getfile - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-getplaylist - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-hotplug - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-newfolder - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-newplaylist - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-playlists - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-reset - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-sendfile - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-sendtr - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-thumb - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-tools - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-tracks - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-trexist - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtr - a network diagnostic tool
 * mtr-packet - send and receive network probes
 * mtrace - interpret the malloc trace log
 * mtrace - malloc tracing
 * mtvtoppm - convert output from the MTV or PRT ray tracers into a portable pixmap
 * muffin-theme-viewer - view muffin themes
 * muffin-window-demo - demo of window features
 * munlock - lock and unlock memory
 * munlockall - lock and unlock memory
 * munmap - map or unmap files or devices into memory
 * MusicBrainz::DiscID (3pm)- Perl interface for the MusicBrainz libdiscid library
 * mv - move (rename) files
 * myisam_ftdump - display full-text index information
 * mysql - the MySQL command-line client
 * mysql_config_editor - configure authentication information for connecting to MySQL se...
 * mysqladmin - a MySQL server administration program
 * mysqldumpslow - Summarize slow query log files
 * mysqloptimize - a table maintenance program
 * mysqlrepair - a table maintenance program
 * mysqlreport - Makes a friendly report of important MySQL status values
 * mysqlshow - display database, table, and column information
 * mzip - change protection mode and eject disk on Zip/Jaz drive
 * name_to_handle_at - obtain handle for a pathname and open file via a handle
 * namei - follow a pathname until a terminal point is found
 * nameif - name network interfaces based on MAC addresses
 * namespace.conf - the namespace configuration file
 * namespace::clean (3pm)- Keep imports and functions out of your namespace
 * namespaces - overview of Linux namespaces
 * nano - Nano's ANOther editor, inspired by Pico
 * nanorc - GNU nano's configuration file
 * nanosleep - high-resolution sleep
 * nawk - pattern scanning and processing language
 * nc - arbitrary TCP and UDP connections and listens
 * nc.openbsd - arbitrary TCP and UDP connections and listens
 * nc_openbsd - arbitrary TCP and UDP connections and listens
 * ncal - displays a calendar and the date of Easter
 * ncdu - NCurses Disk Usage
 * nearbyint - round to nearest integer
 * nearbyintf - round to nearest integer
 * nearbyintl - round to nearest integer
 * neato - filter for drawing undirected graphs
 * nemo - the Cinnamon File Manager
 * nemo-connect-server - To Access a remote server
 * neotoppm - convert an Atari Neochrome .neo into a portable pixmap
 * neqn - format equations for ASCII output
 * net - Tool for administration of Samba and remote CIFS servers.
 * Net::DBus (3pm) - Perl extension for the DBus message system
 * Net::DBus::Annotation (3pm)- annotations for changing behaviour of APIs
 * Net::DBus::ASyncReply (3pm)- asynchronous method reply handler
 * Net::DBus::BaseObject (3pm)- base class for exporting objects to the bus
 * Net::DBus::Binding::Bus (3pm)- Handle to a well-known message bus instance
 * Net::DBus::Binding::Connection (3pm)- A connection between client and server
 * Net::DBus::Binding::Introspector (3pm)- Handler for object introspection data
 * Net::DBus::Binding::Iterator (3pm)- Reading and writing message parameters
 * Net::DBus::Binding::Message (3pm)- Base class for messages
 * Net::DBus::Binding::Message::Error (3pm)- a message encoding a method call error
 * Net::DBus::Binding::Message::MethodCall (3pm)- a message encoding a method call
 * Net::DBus::Binding::Message::MethodReturn (3pm)- a message encoding a method return
 * Net::DBus::Binding::Message::Signal (3pm)- a message encoding a signal
 * Net::DBus::Binding::PendingCall (3pm)- A handler for pending method replies
 * Net::DBus::Binding::Server (3pm)- A server to accept incoming connections
 * Net::DBus::Binding::Value (3pm)- Strongly typed data value
 * Net::DBus::Binding::Watch (3pm)- binding to the dbus watch API
 * Net::DBus::Callback (3pm)- a callback for receiving reactor events
 * Net::DBus::Dumper (3pm)- Stringify Net::DBus objects suitable for printing
 * Net::DBus::Error (3pm)- Error details for remote method invocation
 * Net::DBus::Exporter (3pm)- Export object methods and signals to the bus
 * Net::DBus::Object (3pm)- Implement objects to export to the bus
 * Net::DBus::ProxyObject (3pm)- Implement objects to export to the bus
 * Net::DBus::Reactor (3pm)- application event loop
 * Net::DBus::RemoteObject (3pm)- Access objects provided on the bus
 * Net::DBus::RemoteService (3pm)- Access services provided on the bus
 * Net::DBus::Service (3pm)- Provide a service to the bus for clients to use
 * Net::DBus::Test::MockConnection (3pm)- Fake a connection to the bus unit testing
 * Net::DBus::Test::MockIterator (3pm)- Iterator over a mock message
 * Net::DBus::Test::MockMessage (3pm)- Fake a message object when unit testing
 * Net::DBus::Test::MockObject (3pm)- Fake an object from the bus for unit testing
 * Net::DBus::Tutorial (3pm)- tutorials on the Perl DBus APIs
 * Net::DBus::Tutorial::ExportingObjects (3pm)- tutorials on providing a DBus service
 * Net::DBus::Tutorial::UsingObjects (3pm)- tutorial on accessing a DBus service
 * Net::DNS (3pm) - Perl Interface to the Domain Name System
 * Net::DNS::Domain (3pm)- DNS domains
 * Net::DNS::DomainName (3pm)- DNS name representation
 * Net::DNS::FAQ (3pm) - Frequently Asked Net::DNS Questions
 * Net::DNS::Header (3pm)- DNS packet header
 * Net::DNS::Mailbox (3pm)- DNS mailbox representation
 * Net::DNS::Nameserver (3pm)- DNS server class
 * Net::DNS::Packet (3pm)- DNS protocol packet
 * Net::DNS::Parameters (3pm)- DNS parameter assignments
 * Net::DNS::Question (3pm)- DNS question record
 * Net::DNS::Resolver (3pm)- DNS resolver class
 * Net::DNS::Resolver::android (3pm)- Android resolver class
 * Net::DNS::Resolver::Base (3pm)- DNS resolver base class
 * Net::DNS::Resolver::cygwin (3pm)- Cygwin resolver class
 * Net::DNS::Resolver::MSWin32 (3pm)- MS Windows resolver class
 * Net::DNS::Resolver::os2 (3pm)- OS2 resolver class
 * Net::DNS::Resolver::os390 (3pm)- IBM OS/390 resolver class
 * Net::DNS::Resolver::Recurse (3pm)- DNS recursive resolver
 * Net::DNS::Resolver::UNIX (3pm)- Unix resolver class
 * Net::DNS::RR (3pm) - DNS resource record base class
 * Net::DNS::RR::A (3pm)- DNS A resource record
 * Net::DNS::RR::AAAA (3pm)- DNS AAAA resource record
 * Net::DNS::RR::AFSDB (3pm)- DNS AFSDB resource record
 * Net::DNS::RR::APL (3pm)- DNS APL resource record
 * Net::DNS::RR::CAA (3pm)- DNS CAA resource record
 * Net::DNS::RR::CDNSKEY (3pm)- DNS CDNSKEY resource record
 * Net::DNS::RR::CDS (3pm)- DNS CDS resource record
 * Net::DNS::RR::CERT (3pm)- DNS CERT resource record
 * Net::DNS::RR::CNAME (3pm)- DNS CNAME resource record
 * Net::DNS::RR::CSYNC (3pm)- DNS CSYNC resource record
 * Net::DNS::RR::DHCID (3pm)- DNS DHCID resource record
 * Net::DNS::RR::DNAME (3pm)- DNS DNAME resource record
 * Net::DNS::RR::DNSKEY (3pm)- DNS DNSKEY resource record
 * Net::DNS::RR::DS (3pm)- DNS DS resource record
 * Net::DNS::RR::EUI48 (3pm)- DNS EUI48 resource record
 * Net::DNS::RR::EUI64 (3pm)- DNS EUI64 resource record
 * Net::DNS::RR::GPOS (3pm)- DNS GPOS resource record
 * Net::DNS::RR::HINFO (3pm)- DNS HINFO resource record
 * Net::DNS::RR::HIP (3pm)- DNS HIP resource record
 * Net::DNS::RR::IPSECKEY (3pm)- DNS IPSECKEY resource record
 * Net::DNS::RR::ISDN (3pm)- DNS ISDN resource record
 * Net::DNS::RR::KEY (3pm)- DNS KEY resource record
 * Net::DNS::RR::KX (3pm)- DNS KX resource record
 * Net::DNS::RR::L32 (3pm)- DNS L32 resource record
 * Net::DNS::RR::L64 (3pm)- DNS L64 resource record
 * Net::DNS::RR::LOC (3pm)- DNS LOC resource record
 * Net::DNS::RR::LP (3pm)- DNS LP resource record
 * Net::DNS::RR::MB (3pm)- DNS MB resource record
 * Net::DNS::RR::MG (3pm)- DNS MG resource record
 * Net::DNS::RR::MINFO (3pm)- DNS MINFO resource record
 * Net::DNS::RR::MR (3pm)- DNS MR resource record
 * Net::DNS::RR::MX (3pm)- DNS MX resource record
 * Net::DNS::RR::NAPTR (3pm)- DNS NAPTR resource record
 * Net::DNS::RR::NID (3pm)- DNS NID resource record
 * Net::DNS::RR::NS (3pm)- DNS NS resource record
 * Net::DNS::RR::NSEC (3pm)- DNS NSEC resource record
 * Net::DNS::RR::NSEC3 (3pm)- DNS NSEC3 resource record
 * Net::DNS::RR::NSEC3PARAM (3pm)- DNS NSEC3PARAM resource record
 * Net::DNS::RR::NULL (3pm)- DNS NULL resource record
 * Net::DNS::RR::OPENPGPKEY (3pm)- DNS OPENPGPKEY resource record
 * Net::DNS::RR::OPT (3pm)- DNS OPT resource record
 * Net::DNS::RR::PTR (3pm)- DNS PTR resource record
 * Net::DNS::RR::PX (3pm)- DNS PX resource record
 * Net::DNS::RR::RP (3pm)- DNS RP resource record
 * Net::DNS::RR::RRSIG (3pm)- DNS RRSIG resource record
 * Net::DNS::RR::RT (3pm)- DNS RT resource record
 * Net::DNS::RR::SIG (3pm)- DNS SIG resource record
 * Net::DNS::RR::SMIMEA (3pm)- DNS SMIMEA resource record
 * Net::DNS::RR::SOA (3pm)- DNS SOA resource record
 * Net::DNS::RR::SPF (3pm)- DNS SPF resource record
 * Net::DNS::RR::SRV (3pm)- DNS SRV resource record
 * Net::DNS::RR::SSHFP (3pm)- DNS SSHFP resource record
 * Net::DNS::RR::TKEY (3pm)- DNS TKEY resource record
 * Net::DNS::RR::TLSA (3pm)- DNS TLSA resource record
 * Net::DNS::RR::TSIG (3pm)- DNS TSIG resource record
 * Net::DNS::RR::TXT (3pm)- DNS TXT resource record
 * Net::DNS::RR::URI (3pm)- DNS URI resource record
 * Net::DNS::RR::X25 (3pm)- DNS X25 resource record
 * Net::DNS::RR::ZONEMD (3pm)- DNS ZONEMD resource record
 * Net::DNS::Text (3pm)- DNS text representation
 * Net::DNS::Update (3pm)- DNS dynamic update packet
 * Net::DNS::ZoneFile (3pm)- DNS zone file
 * Net::Domain::TLD (3pm)- Work with TLD names
 * Net::HTTP (3pm) - Low-level HTTP connection (client)
 * Net::HTTP::NB (3pm) - Non-blocking HTTP client
 * Net::HTTPS (3pm) - Low-level HTTP over SSL/TLS connection (client)
 * Net::IP (3pm) - Perl extension for manipulating IPv4/IPv6 addresses
 * Net::LibIDN (3pm) - Perl bindings for GNU Libidn
 * Net::SMTP::SSL (3pm)- SSL support for Net::SMTP
 * Net::SSLeay (3pm) - Perl extension for using OpenSSL
 * Net::SSLeay::Handle (3pm)- Perl module that lets SSL (HTTPS) sockets be handled as stand...
 * netcat - arbitrary TCP and UDP connections and listens
 * netdevice - low-level access to Linux network devices
 * tc-netem - Network Emulator
 * nethogs - Net top tool grouping bandwidth per process
 * netkit-ftp - Internet file transfer program
 * netkit-netrc - user configuration for ftp
 * netlink - Netlink macros
 * netlink - communication between kernel and user space (AF_NETLINK)
 * netpbm - package of graphics manipulation programs and libraries
 * netplan - YAML network configuration abstraction for various backends
 * netplan-apply - apply configuration from netplan YAML files to a running system
 * netplan-generate - generate backend configuration from netplan YAML files
 * netplan-try - try a configuration, optionally rolling it back
 * netrc - user configuration for ftp
 * netscsid - write data to optical disk media
 * netstat - Print network connections, routing tables, interface statistics, m...
 * network_namespaces - overview of Linux network namespaces
 * networkctl - Query the status of network links
 * networkd-dispatcher - Dispatcher service for systemd-networkd connection status changes
 * networkd.conf - Global Network configuration files
 * networkd.conf.d - Global Network configuration files
 * NetworkManager - network management daemon
 * NetworkManager.conf - NetworkManager configuration file
 * networks - network name information
 * newaliases - Postfix to Sendmail compatibility interface
 * newfstatat - get file status
 * newgrp - log in to a new group
 * newlocale - create, modify, and free a locale object
 * newsboat - an RSS/Atom feed reader for text terminals
 * newusers - update and create new users in batch
 * nextafter - floating-point number manipulation
 * nextafterf - floating-point number manipulation
 * nextafterl - floating-point number manipulation
 * nextdown - return next floating-point number toward positive/negative infinity
 * nextdownf - return next floating-point number toward positive/negative infinity
 * nextdownl - return next floating-point number toward positive/negative infinity
 * nexttoward - floating-point number manipulation
 * nexttowardf - floating-point number manipulation
 * nexttowardl - floating-point number manipulation
 * nextup - return next floating-point number toward positive/negative infinity
 * nextupf - return next floating-point number toward positive/negative infinity
 * nextupl - return next floating-point number toward positive/negative infinity
 * nfsservctl - syscall interface to kernel nfs daemon
 * ngettext - translate message and choose plural form
 * ngettext - translate message and choose plural form
 * nisdomainname - show or set the system's NIS/YP domain name
 * nisplus_table - Postfix NIS+ client
 * nl - number lines of files
 * nl_langinfo - query language and locale information
 * nl_langinfo_l - query language and locale information
 * nm-applet - network monitor and control GUI applet
 * nm-connection-editor - network connection editor for NetworkManager
 * nm-initrd-generator - early boot NetworkManager configuration generator
 * nm-online - ask NetworkManager whether the network is connected
 * nm-settings - Description of settings and properties of NetworkManager connectio...
 * nm-system-settings.conf - NetworkManager configuration file
 * nmblookup - NetBIOS over TCP/IP client used to lookup NetBIOS names
 * nmcli - command-line tool for controlling NetworkManager
 * nmcli-examples - usage examples of nmcli
 * nmtui - Text User Interface for controlling NetworkManager
 * nmtui-connect - Text User Interface for controlling NetworkManager
 * nmtui-edit - Text User Interface for controlling NetworkManager
 * nmtui-hostname - Text User Interface for controlling NetworkManager
 * nohup - run a command immune to hangups, with output to a non-tty
 * nologin - prevent unprivileged users from logging into the system
 * nologin - politely refuse a login
 * notify-send - a program to send desktop notifications
 * nouveau - NVIDIA video driver
 * nrand48 - generate uniformly distributed pseudo-random numbers
 * nrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * nroff - use groff to format documents for TTY devices
 * nsenter - run program with namespaces of other processes
 * nseq (1ssl) - create or examine a Netscape certificate sequence
 * nslookup - query Internet name servers interactively
 * nss - Name Service Switch configuration file
 * nss-myhostname - Provide hostname resolution for the locally configured system host...
 * nss-systemd - Provide UNIX user and group name resolution for user/group lookup ...
 * nsswitch.conf - Name Service Switch configuration file
 * nstat - network statistics tools.
 * nsupdate - Dynamic DNS update utility
 * ntfs-3g - Third Generation Read/Write NTFS Driver
 * ntfs-3g.probe - Probe an NTFS volume mountability
 * ntfscat - print NTFS files and streams on the standard output
 * ntfsclone - Efficiently clone, image, restore or rescue an NTFS
 * ntfscmp - compare two NTFS filesystems and tell the differences
 * ntfsfallocate - preallocate space to a file on an NTFS volume
 * ntfsfix - fix common errors and force Windows to check NTFS
 * ntfsprogs - tools for doing neat things with NTFS
 * ntfsrecover - Recover updates committed by Windows on an NTFS volume
 * ntfstruncate - truncate a file on an NTFS volume
 * ntfsundelete - recover a deleted file from an NTFS volume.
 * ntfsusermap - NTFS Building a User Mapping File
 * ntohl - convert values between host and network byte order
 * ntohs - convert values between host and network byte order
 * ntp_adjtime - tune kernel clock
 * ntp_gettime - get time parameters (NTP daemon interface)
 * ntp_gettimex - get time parameters (NTP daemon interface)
 * Number::Compare (3pm)- numeric comparisons
 * obexctl - A command-line interface of BlueZ for OBEX (file transfer)
 * objcopy - copy and translate object files
 * objdump - display information from object files
 * oclock - round X clock
 * ocsp (1ssl) - Online Certificate Status Protocol utility
 * od - dump files in octal and other formats
 * oggenc - encode audio into the Ogg Vorbis format
 * ogginfo - gives information about Ogg files, and does extensive validity che...
 * ojo (3pm) - Fun one-liners with Mojo
 * oldolduname - get name and information about current kernel
 * olduname - get name and information about current kernel
 * on_ac_power - test whether computer is running on AC power
 * on_exit - register a function to be called at normal process termination
 * onboard - On-screen Keyboard
 * onboard-settings - On-screen Keyboard (configuration dialog)
 * oo (3pm) - syntactic sugar for Moo oneliners
 * open - open and possibly create a file
 * open_by_handle_at - obtain handle for a pathname and open file via a handle
 * open_memstream - open a dynamic memory buffer stream
 * open_wmemstream - open a dynamic memory buffer stream
 * openat - open and possibly create a file
 * opendir - open a directory
 * openlog - send messages to the system logger
 * openproc - initialize process information from /proc/
 * openpty - terminal utility functions
 * openssl (1ssl) - OpenSSL command line tool
 * openssl-asn1parse (1ssl)- ASN.1 parsing tool
 * openssl-c_rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-ca (1ssl) - sample minimal CA application
 * openssl-ciphers (1ssl)- SSL cipher display and cipher list tool
 * openssl-cms (1ssl) - CMS utility
 * openssl-crl (1ssl) - CRL utility
 * openssl-crl2pkcs7 (1ssl)- Create a PKCS#7 structure from a CRL and certificates
 * openssl-dgst (1ssl) - perform digest operations
 * openssl-dhparam (1ssl)- DH parameter manipulation and generation
 * openssl-dsa (1ssl) - DSA key processing
 * openssl-dsaparam (1ssl)- DSA parameter manipulation and generation
 * openssl-ec (1ssl) - EC key processing
 * openssl-ecparam (1ssl)- EC parameter manipulation and generation
 * openssl-enc (1ssl) - symmetric cipher routines
 * openssl-engine (1ssl)- load and query engines
 * openssl-errstr (1ssl)- lookup error codes
 * openssl-gendsa (1ssl)- generate a DSA private key from a set of parameters
 * openssl-genpkey (1ssl)- generate a private key
 * openssl-genrsa (1ssl)- generate an RSA private key
 * openssl-list (1ssl) - list algorithms and features
 * openssl-nseq (1ssl) - create or examine a Netscape certificate sequence
 * openssl-ocsp (1ssl) - Online Certificate Status Protocol utility
 * openssl-passwd (1ssl)- compute password hashes
 * openssl-pkcs12 (1ssl)- PKCS#12 file utility
 * openssl-pkcs7 (1ssl)- PKCS#7 utility
 * openssl-pkcs8 (1ssl)- PKCS#8 format private key conversion tool
 * openssl-pkey (1ssl) - public or private key processing tool
 * openssl-pkeyparam (1ssl)- public key algorithm parameter processing tool
 * openssl-pkeyutl (1ssl)- public key algorithm utility
 * openssl-prime (1ssl)- compute prime numbers
 * openssl-rand (1ssl) - generate pseudo-random bytes
 * openssl-rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-req (1ssl) - PKCS#10 certificate request and certificate generating utility
 * openssl-rsa (1ssl) - RSA key processing tool
 * openssl-rsautl (1ssl)- RSA utility
 * openssl-s_client (1ssl)- SSL/TLS client program
 * openssl-s_server (1ssl)- SSL/TLS server program
 * openssl-s_time (1ssl)- SSL/TLS performance timing program
 * openssl-sess_id (1ssl)- SSL/TLS session handling utility
 * openssl-smime (1ssl)- S/MIME utility
 * openssl-speed (1ssl)- test library performance
 * openssl-spkac (1ssl)- SPKAC printing and generating utility
 * openssl-srp (1ssl) - maintain SRP password file
 * openssl-storeutl (1ssl)- STORE utility
 * openssl-ts (1ssl) - Time Stamping Authority tool (client/server)
 * openssl-tsget (1ssl)- Time Stamping HTTP/HTTPS client
 * openssl-verify (1ssl)- Utility to verify certificates
 * openssl-version (1ssl)- print OpenSSL version information
 * openssl-x509 (1ssl) - Certificate display and signing utility
 * openvpn - secure IP tunnel daemon.
 * openvt - start a program on a new virtual terminal (VT).
 * operator - C operator precedence and order of evaluation
 * optarg - Parse command-line options
 * opterr - Parse command-line options
 * optind - Parse command-line options
 * optopt - Parse command-line options
 * oqmgr (8postfix) - old Postfix queue manager
 * orca - a scriptable screen reader
 * ordchr (3am) - convert characters to strings and vice versa
 * org.debian.apt - the main interface of aptdaemon
 * org.debian.apt.transaction - the main interface of an aptdaemon transaction
 * ownership - Compaq ownership tag retriever
 * p11-kit - Tool for operating on configured PKCS#11 modules
 * p7zip - Wrapper on 7-Zip file archiver with high compression ratio
 * pacat - Play back or record raw or encoded audio streams on a PulseAudio s...
 * Package::Stash (3pm)- routines for manipulating stashes
 * Package::Stash::PP (3pm)- pure perl implementation of the Package::Stash API
 * pacmd - Reconfigure a PulseAudio sound server during runtime
 * pactl - Control a running PulseAudio sound server
 * padsp - PulseAudio OSS Wrapper
 * palmtopnm - convert a Palm pixmap into a portable anymap
 * pam - portable arbitrary map file format
 * pam_access - PAM module for logdaemon style login access control
 * pam_cifscreds - PAM module to manage NTLM credentials in kernel keyring
 * pam_echo - PAM module for printing text messages
 * pam_env - PAM module to set/unset environment variables
 * pam_exec - PAM module which calls an external command
 * pam_getenv - get environment variables from /etc/environment
 * pam_keyinit - Kernel session keyring initialiser module
 * pam_lastlog - PAM module to display date of last login and perform inactive acco...
 * pam_localuser - require users to be listed in /etc/passwd
 * pam_loginuid - Record user's login uid to the process attribute
 * pam_namespace - PAM module for configuring namespace for a session
 * pam_nologin - Prevent non-root users from login
 * pam_permit - The promiscuous module
 * pam_pwhistory - PAM module to remember last passwords
 * pam_rootok - Gain only root access
 * pam_securetty - Limit root login to special devices
 * pam_sepermit - PAM module to allow/deny login depending on SELinux enforcement state
 * pam_shells - PAM module to check for valid login shell
 * pam_systemd - Register user sessions in the systemd login manager
 * pam_tally - The login counter (tallying) module
 * pam_tally2 - The login counter (tallying) module
 * pam_timestamp - Authenticate using cached successful authentication attempts
 * pam_timestamp_check - Check to see if the default timestamp is valid
 * pam_unix - Module for traditional password authentication
 * pam_wheel - Only permit root access to members of group wheel
 * pamcut - cut a rectangle out of a PAM, PBM, PGM, or PPM image
 * pamdice - slice a Netpbm image into many horizontally and/or vertically
 * pamfile - describe a Netpbm (PAM or PNM) file
 * pamon - Play back or record raw or encoded audio streams on a PulseAudio s...
 * pamstack - stack planes of multiple PAM images into one PAM image
 * pamstretch - scale up a PNM or PAM image by interpolating between pixels
 * pamstretch-gen - use pamstretch and pnmscale to scale by non-integer values
 * Pango (3pm) - layout and render international text
 * Pango::AttrBackground (3pm)- Pango background color attribute
 * Pango::AttrColor (3pm)- Pango color attribute
 * Pango::AttrFallback (3pm)- Pango fallback attribute
 * Pango::AttrFamily (3pm)- Pango attribute family
 * Pango::AttrFontDesc (3pm)- Pango description of a font
 * Pango::AttrForeground (3pm)- Pango foreground attribute
 * Pango::AttrGravity (3pm)- Pango gravity attribute
 * Pango::AttrGravityHint (3pm)- Pango gravity hint attribute
 * Pango::Attribute (3pm)- Pango base class for attributes
 * Pango::AttrInt (3pm)- structure used to represent attributes with an integer value
 * Pango::AttrIterator (3pm)- used to represent iterators through Pango::AttrLists
 * Pango::AttrLanguage (3pm)- used to represent attributes that are languages
 * Pango::AttrLetterSpacing (3pm)- Pango letter spacing attribute
 * Pango::AttrList (3pm)- holds attributes that apply to a section of text
 * Pango::AttrRise (3pm)- Pango baseline displacement attribute
 * Pango::AttrScale (3pm)- Pango font size scale attribute
 * Pango::AttrShape (3pm)- Pango shape attribute
 * Pango::AttrSize (3pm)- Pango font-size attribute
 * Pango::AttrStretch (3pm)- Pango font stretch attribute
 * Pango::AttrStrikethrough (3pm)- Pango strike-through attribute
 * Pango::AttrStrikethroughColor (3pm)- Pango color strikethrough color attribute
 * Pango::AttrString (3pm)- used to represent attributes with a string value
 * Pango::AttrStyle (3pm)- Pango font slant style attribute
 * Pango::AttrUnderline (3pm)- Pango underline style attribute
 * Pango::AttrUnderlineColor (3pm)- Pango underline color attribute
 * Pango::AttrVariant (3pm)- Pango font variant attribute
 * Pango::AttrWeight (3pm)- Pango font weight attribute
 * Pango::Cairo (3pm) - Pango rendering with the Cairo backend
 * Pango::Cairo::Context (3pm)- Using Cairo contexts with pango
 * Pango::Cairo::Font (3pm)- Pango using cairo fonts for rendering
 * Pango::Cairo::FontMap (3pm)- Pango font maps with Cairo
 * Pango::Color (3pm) - an object to represent a color for Pango
 * Pango::Context (3pm)- Pango object that stores global information used to control the it...
 * Pango::Font (3pm) - a rendering-system independent font representation
 * Pango::FontDescription (3pm)- Pango object to represent a description of a font
 * Pango::FontFace (3pm)- object for Pango representing a group of fonts varying only in size
 * Pango::FontFamily (3pm)- Pango object representing a family of related font faces
 * Pango::FontMap (3pm)- an object that represents the set of fonts available for a particu...
 * Pango::FontMetrics (3pm)- object for Pango containing overall metric information for a font
 * Pango::Fontset (3pm)- object containing a set of Pango::Font objects
 * Pango::Gravity (3pm)- represents the orientation of glyphs in a segment of text
 * Pango::index (3pm) - API Reference Pod Index
 * Pango::Language (3pm)- an object that represents a language tag
 * Pango::Layout (3pm) - an object representing a paragraph of text with attributes
 * Pango::LayoutIter (3pm)- an object used to iterate over the visual extents of a Pango::L...
 * Pango::LayoutLine (3pm)- a line in a Pango::Layout
 * Pango::Matrix (3pm) - A structure specifying a transformation between user-space coordin...
 * Pango::Renderer (3pm)- a base class for pango rendering
 * Pango::Script (3pm) - identifies different writing systems
 * Pango::ScriptIter (3pm)- used to break a string of Unicode into runs by text
 * Pango::TabArray (3pm)- an object containing an array of tab stops
 * Pango::version (3pm)- get and check the version of Pango that this was compiled against
 * paperconf - print paper configuration information
 * paplay - Play back or record raw or encoded audio streams on a PulseAudio s...
 * par - filter for reformatting paragraphs
 * parallel - run programs in parallel
 * Params::Classify (3pm)- argument type classification
 * parec - Play back or record raw or encoded audio streams on a PulseAudio s...
 * parecord - Play back or record raw or encoded audio streams on a PulseAudio s...
 * parted - a partition manipulation program
 * partprobe - inform the OS of partition table changes
 * partx - tell the kernel about the presence and numbering of on-disk partit...
 * passphrase-encoding (7ssl)- How diverse parts of OpenSSL treat pass phrases character en...
 * passwd - change user password
 * passwd (1ssl) - compute password hashes
 * passwd - the password file
 * passwd2des - RFS password encryption
 * paste - merge lines of files
 * pasuspender - Temporarily suspend PulseAudio
 * patch - apply a diff file to an original
 * patchwork - filter for drawing clustered graphs as treemaps
 * path_resolution - how a pathname is resolved to a file
 * pathchk - check whether file names are valid or portable
 * pax11publish - PulseAudio X11 Credential Utility
 * pbm - portable bitmap file format
 * pbmclean - flip isolated pixels in portable bitmap
 * pbmfilters - list of all programs in the netpbm package
 * pbmmake - create a blank bitmap of a specified size
 * pbmmask - create a mask bitmap from a regular bitmap
 * pbmpage - create a one page test pattern for printing
 * pbmreduce - read a portable bitmap and reduce it N times
 * pbmtext - render text into a bitmap
 * pbmtextps - render text into a bitmap via postscript
 * pbmtoatk - convert portable bitmap to Andrew Toolkit raster object
 * pbmtocmuwm - convert a portable bitmap into a CMU window manager bitmap
 * pbmtogem - convert a portable bitmap into a GEM .img file
 * pbmtolj - convert a portable bitmap into HP LaserJet format
 * pbmtomda - convert a portable bitmap to a Microdesign .mda
 * pbmtomgr - convert a portable bitmap into a MGR bitmap
 * pbmtonokia - convert a portable bitmap to Nokia Smart Messaging Formats
 * pbmtopi3 - convert a portable bitmap into an Atari Degas .pi3 file
 * pbmtoptx - convert a portable bitmap into Printronix printer graphics
 * pbmtoybm - convert a portable bitmap into a Bennet Yee "face" file
 * pbmtozinc - convert a portable bitmap into a Zinc bitmap
 * pccardctl - PCMCIA card control utility
 * pciconfig_iobase - pci device information handling
 * pciconfig_read - pci device information handling
 * pciconfig_write - pci device information handling
 * pclose - pipe stream to or from a process
 * pcrepattern - Perl-compatible regular expressions
 * pcxtoppm - convert a PCX file into a portable pixmap
 * pdf2dsc - generate a PostScript page list of a PDF document
 * pdfattach - Portable Document Format (PDF) document embedded file creator (ver...
 * pdfdetach - Portable Document Format (PDF) document embedded file extractor (v...
 * pdffonts - Portable Document Format (PDF) font analyzer (version 3.03)
 * pdfimages - Portable Document Format (PDF) image extractor (version 3.03)
 * pdfinfo - Portable Document Format (PDF) document information extractor (ver...
 * pdfseparate - Portable Document Format (PDF) page extractor
 * pdfsig - Portable Document Format (PDF) digital signatures tool
 * pdftocairo - Portable Document Format (PDF) to PNG/JPEG/TIFF/PDF/PS/EPS/SVG usi...
 * pdftohtml - program to convert PDF files into HTML, XML and PNG images
 * pdftoppm - Portable Document Format (PDF) to Portable Pixmap (PPM) converter ...
 * pdftops - Portable Document Format (PDF) to PostScript converter (version 3.03)
 * pdftotext - Portable Document Format (PDF) to text converter (version 3.03)
 * pdfunite - Portable Document Format (PDF) page merger
 * pee - tee standard input to pipes
 * peekfd - peek at file descriptors of running processes
 * perf_event_open - set up performance monitoring
 * perfmonctl - interface to IA-64 performance monitoring unit
 * perl - The Perl 5 language interpreter
 * perl5.30-i386-linux-gnu - The Perl 5 language interpreter
 * perl5.30-x86_64-linux-gnu - The Perl 5 language interpreter
 * perl5.30.0 - The Perl 5 language interpreter
 * perlbug - how to submit bug reports on Perl
 * PerlIO::gzip (3pm) - Perl extension to provide a PerlIO layer to gzip/gunzip
 * perlivp - Perl Installation Verification Procedure
 * perlsh (1p) - one-line perl evaluator with line editing function and variable na...
 * perlthanks - how to submit bug reports on Perl
 * perror - print a system error message
 * pf2afm - Make an AFM file from Postscript (PFB/PFA/PFM) font files using gh...
 * pfbtopfa - Convert Postscript .pfb fonts to .pfa format using ghostscript
 * pftp - Internet file transfer program
 * pgm - portable graymap file format
 * pgmcrater - create cratered terrain by fractal forgery
 * pgmkernel - generate a convolution kernel
 * pgmnorm - normalize the contrast in a Netbpm image
 * pgmramp - generate a grayscale ramp
 * pgmslice - extract one line of pixel values out of a portable graymap
 * pgmtofs - convert portable graymap to Usenix FaceSaver(tm) format
 * pgmtolispm - convert a portable graymap into Lisp Machine format
 * pgmtoppm - colorize a portable graymap into a portable pixmap
 * pgrep - look up or signal processes based on name and other attributes
 * phar - PHAR (PHP archive) command line tool
 * phar.phar - PHAR (PHP archive) command line tool
 * phar.phar7.4 - PHAR (PHP archive) command line tool
 * phar7.4 - PHAR (PHP archive) command line tool
 * php - PHP Command Line Interface 'CLI'
 * php7.4 - PHP Command Line Interface 'CLI'
 * phys - unimplemented system calls
 * pi - compute decimal Archimedes' constant Pi to arbitrary accuracy.
 * pi1toppm - convert an Atari Degas .pi1 into a portable pixmap
 * pi3topbm - convert an Atari Degas .pi3 file into a portable bitmap
 * pic - compile pictures for troff or TeX
 * pickup (8postfix) - Postfix local mail pickup
 * pico - Nano's ANOther editor, inspired by Pico
 * piconv -- iconv, reinvented in perl
 * pid_namespaces - overview of Linux PID namespaces
 * pidfd_open - obtain a file descriptor that refers to a process
 * pidfd_send_signal - send a signal to a process specified by a file descriptor
 * pidof - find the process ID of a running program.
 * tc-pie - Proportional Integral controller-Enhanced AQM algorithm
 * pinentry - PIN or pass-phrase entry dialog for GnuPG
 * pinentry-curses - PIN or pass-phrase entry dialog for GnuPG
 * pinentry-gnome3 - PIN or pass-phrase entry dialog for GnuPG
 * pinentry-x11 - PIN or pass-phrase entry dialog for GnuPG
 * ping - send ICMP ECHO_REQUEST to network hosts
 * ping4 - send ICMP ECHO_REQUEST to network hosts
 * ping6 - send ICMP ECHO_REQUEST to network hosts
 * pinky - lightweight finger
 * pip3 - A tool for installing and managing Python packages
 * pipe - create pipe
 * pipe - overview of pipes and FIFOs
 * pipe (8postfix) - Postfix delivery to external command
 * pipe2 - create pipe
 * pivot_root - change the root mount
 * pivot_root - change the root filesystem
 * pjtoppm - convert an HP PaintJet file to a portable pixmap
 * pkcon - PackageKit console client
 * pkcs11-helper-1 - Simplified PKCS#11 library.
 * pkcs8 (1ssl) - PKCS#8 format private key conversion tool
 * pkexec - Execute a command as another user
 * pkey_alloc - allocate or free a protection key
 * pkey_free - allocate or free a protection key
 * pkeyparam (1ssl) - public key algorithm parameter processing tool
 * pkg-config - Return metainformation about installed libraries
 * pkill - look up or signal processes based on name and other attributes
 * pkmon - PackageKit console client
 * pkttyagent - Textual authentication helper
 * pl2pm - Rough tool to translate Perl4 .pl files to Perl5 .pm modules.
 * pldd - display dynamic shared objects linked into a process
 * plipconfig - fine tune PLIP device parameters
 * plog - starts up, shuts down or lists the log of PPP connections
 * plymouth - Send commands to plymouthd
 * plymouth - A graphical boot system and logger
 * plymouthd - The plymouth daemon
 * pm-action - Suspend or Hibernate your computer
 * pm-hibernate - Suspend or Hibernate your computer
 * pm-is-supported - Test whether suspend or hibernate is supported.
 * pm-suspend - Suspend or Hibernate your computer
 * pm-suspend-hybrid - Suspend or Hibernate your computer
 * pmap_getmaps - library routines for remote procedure calls
 * pmap_getport - library routines for remote procedure calls
 * pmap_rmtcall - library routines for remote procedure calls
 * pmap_set - library routines for remote procedure calls
 * pmap_unset - library routines for remote procedure calls
 * pngtopnm - convert a Portable Network Graphics file into portable anymap
 * pnm - portable anymap file format
 * pnm2ppa - convert portable anymap (PNM) images to HP's PPA printer format.
 * pnmcat - concatenate portable anymaps
 * pnmcolormap - create quantization color map for a portable anymap
 * pnmcomp - composite (overlay) two portable anymap files together
 * pnmconvol - general MxN convolution on a portable anymap
 * pnmcrop - crop a portable anymap
 * pnmcut - cut a rectangle out of a portable anymap
 * pnmenlarge - read a portable anymap and enlarge it N times
 * pnmflip - perform one or more flip operations on a portable anymap
 * pnmgamma - perform gamma correction on a portable anymap
 * pnmhisteq - histogram equalise a portable anymap
 * pnmhistmap - draw a histogram for a PGM or PPM file
 * pnmindex - build a visual index of a bunch of anymaps
 * pnminterp - scale up a PNM or PAM image by interpolating between pixels
 * pnminterp-gen - use pamstretch and pnmscale to scale by non-integer values
 * pnmmargin - add a border to a portable anymap
 * pnmmontage - create a montage of portable anymaps
 * pnmnlfilt - non-linear filters: smooth, alpha trim mean, optimal estimation sm...
 * pnmnoraw - convert portable any map to plain (ASCII) anymap format
 * pnmnorm - normalize the contrast in a Netbpm image
 * pnmquant - quantize the colors in a Netpbm image to a smaller set
 * pnmtoddif - Convert a portable anymap to DDIF format
 * pnmtofits - convert a portable anymap into FITS format
 * pnmtojpeg - convert PNM image to a JFIF ("JPEG") image
 * pnmtopalm - convert a portable anymap into a Palm pixmap
 * pnmtoplainpnm - convert portable any map to plain (ASCII) anymap format
 * pnmtopng - convert a portable anymap into a Portable Network Graphics file
 * pnmtorast - convert a portable pixmap into a Sun rasterfile
 * pnmtorle - convert a Netpbm image file into an RLE image file.
 * pnmtosir - convert a portable anymap into a Solitaire format
 * pnmtotiffcmyk - convert a portable anymap into a CMYK encoded TIFF file
 * pnmtoxwd - convert a portable anymap into an X11 window dump
 * po-debconf - introduction
 * po2debconf - merge master templates file and PO files
 * pod2man - Convert POD data to formatted *roff input
 * pod2text - Convert POD data to formatted ASCII text
 * pod2usage - print usage messages from embedded pod docs in files
 * podboat - a podcast download manager for text terminals
 * podchecker - check the syntax of POD format documentation files
 * podebconf-report-po - send outdated debconf PO files to the last translators
 * podselect - print selected sections of pod documentation on standard output
 * poff - starts up, shuts down or lists the log of PPP connections
 * polkit - Authorization Framework
 * polkitd - PolicyKit daemon
 * pon - starts up, shuts down or lists the log of PPP connections
 * popen - pipe stream to or from a process
 * port - system memory, kernel memory and system ports
 * posix_fallocate - allocate file space
 * posix_memalign - allocate aligned memory
 * posix_openpt - open a pseudoterminal device
 * posix_spawn - spawn a process
 * posix_spawnp - spawn a process
 * posixoptions - optional parts of the POSIX standard
 * POST (1p) - Simple command line user agent
 * postalias - Postfix alias database maintenance
 * postcat - show Postfix queue file contents
 * postconf - Postfix configuration utility
 * postconf - Postfix configuration parameters
 * postdrop - Postfix mail posting utility
 * postfix - Postfix control program
 * postfix-add-filter - add filter service to Postfix master.cf
 * postfix-add-policy - add policy service to Postfix master.cf
 * postfix-tls - Postfix TLS management
 * postfix-wrapper - Postfix multi-instance API
 * postkick - kick a Postfix service
 * postlock - lock mail folder and execute command
 * postlog - Postfix-compatible logging utility
 * postlogd (8postfix) - Postfix internal log server
 * postmap - Postfix lookup table management
 * postmulti - Postfix multi-instance manager
 * postqueue - Postfix queue control
 * postscreen (8postfix)- Postfix zombie blocker
 * postsuper - Postfix superintendent
 * poweroff - Halt, power-off or reboot the machine
 * ppdc - cups ppd compiler (deprecated)
 * ppdcfile - cups ppd compiler source file format (deprecated)
 * ppdhtml - cups html summary generator (deprecated)
 * ppdpo - ppd message catalog generator (deprecated)
 * ppm - portable pixmap file format
 * ppm3d - convert two portable pixmap into a red/blue 3d glasses pixmap
 * ppmbrighten - change an images Saturation and Value from an HSV map
 * ppmchange - change all pixels of one color to another in a portable pixmap
 * ppmcie - draw a CIE color chart as a PPM image
 * ppmcolormask - produce mask of areas of a certain color in a PPM file
 * ppmcolors - generate a color map of all colors of a certain maxval
 * ppmdim - dim a portable pixmap down to total blackness
 * ppmdist - simplistic grayscale assignment for machine generated, color images
 * ppmfade - generate a transition between two image files using special effects.
 * ppmflash - brighten a picture up to complete white-out
 * ppmforge - fractal forgeries of clouds, planets, and starry skies
 * ppmhist - print a histogram of a portable pixmap
 * ppmlabel - add text to a portable pixmap
 * ppmmake - create a pixmap of a specified size and color
 * ppmmix - blend together two portable pixmaps
 * ppmnorm - normalize the contrast in a Netbpm image
 * ppmntsc - make a portable pixmap look like taken from an American TV
 * ppmpat - make a pretty pixmap
 * ppmquant - quantize the colors in a portable pixmap down to a specified number
 * ppmquantall - run ppmquant on a bunch of files all at once, so they share a comm...
 * ppmqvga - 8 plane quantization
 * ppmrainbow - Generate a rainbow
 * ppmrelief - run a Laplacian relief filter on a portable pixmap
 * ppmshadow - add simulated shadows to a portable pixmap image
 * ppmshift - shift lines of a portable pixmap left or right by a random amount
 * ppmspread - displace a portable pixmap's pixels by a random amount
 * ppmtoacad - convert portable pixmap to AutoCAD database or slide
 * ppmtobmp - convert a portable pixmap into a BMP file
 * ppmtoeyuv - convert a portable pixmap into a Berkeley YUV file
 * ppmtogif - convert a portable pixmap into a GIF file
 * ppmtoicr - convert a portable pixmap into NCSA ICR format
 * ppmtoilbm - convert a portable pixmap into an ILBM file
 * ppmtojpeg - convert PNM image to a JFIF ("JPEG") image
 * ppmtoleaf - convert portable pixmap to Interleaf image format
 * ppmtolj - convert a portable pixmap to an HP LaserJet PCL 5 Color file
 * ppmtomap - extract all colors from a portable pixmap
 * ppmtomitsu - convert a portable pixmap to a Mitsubishi S340-10 file
 * ppmtompeg - encodes MPEG-1 bitstreams
 * ppmtoneo - convert a portable pixmap into an Atari Neochrome .neo file
 * ppmtopcx - convert a portable pixmap into a PCX file
 * ppmtopgm - convert a portable pixmap into a portable graymap
 * ppmtopi1 - convert a portable pixmap into an Atari Degas .pi1 file
 * ppmtopict - convert a portable pixmap into a Macintosh PICT file
 * ppmtopj - convert a portable pixmap to an HP PaintJet file
 * ppmtopuzz - convert a portable pixmap into an X11 "puzzle" file
 * ppmtorgb3 - separate a portable pixmap into three portable graymaps
 * ppmtosixel - convert a portable pixmap into DEC sixel format
 * ppmtotga - convert portable pixmap into a TrueVision Targa file
 * ppmtouil - convert a portable pixmap into a Motif UIL icon file
 * ppmtowinicon - convert 1 or more portable pixmaps into a Windows .ico file
 * ppmtoxpm - convert a portable pixmap into an X11 pixmap
 * ppmtoyuv - convert a portable pixmap into an Abekas YUV file
 * ppmtoyuvsplit - convert a portable pixmap into 3 subsampled raw YUV files
 * ppmtv - make a portable pixmap look like taken from an American TV
 * pppconfig - configure pppd to connect to the Internet
 * pppd - Point-to-Point Protocol Daemon
 * pppd-radattr - RADIUS utility plugin for pppd
 * pppd-radius - RADIUS authentication plugin for pppd
 * pppdump - convert PPP record file to readable format
 * pppoe-discovery - perform PPPoE discovery
 * pppoeconf - configures a PPPoE (ADSL) connection
 * pppstats - print PPP statistics
 * pptpsetup - Point-to-Point Tunneling Protocol setup
 * prctl - operations on a process
 * precedence - C operator precedence and order of evaluation
 * preconv - convert encoding of input files to something GNU troff understands
 * prename (1p) - renames multiple files
 * printafm - Print the metrics from a Postscript font in AFM format using ghost...
 * printenv - print all or part of environment
 * printer-profile - Profile using X-Rite ColorMunki and Argyll CMS
 * printerbanner - print large banner on printer
 * printf - format and print data
 * printf - formatted output conversion
 * prlimit - get and set process resource limits
 * proc - process information pseudo-filesystem
 * process_vm_readv - transfer data between process address spaces
 * process_vm_writev - transfer data between process address spaces
 * procfs - process information pseudo-filesystem
 * procps - report a snapshot of the current processes.
 * prof - unimplemented system calls
 * program_invocation_name - obtain name used to invoke calling program
 * program_invocation_short_name - obtain name used to invoke calling program
 * projid - the project name mapping file
 * prove - Run tests through a TAP harness.
 * proxy - Display the proxy server that should be used to reach a given a ne...
 * proxy-certificates (7ssl)- Proxy certificates in OpenSSL
 * proxymap (8postfix) - Postfix lookup table proxy server
 * prune - Prune directed graphs
 * ps2epsi - generate conforming Encapsulated PostScript
 * ps2pdf12 - Convert PostScript to PDF 1.2 (Acrobat 3-and-later compatible) usi...
 * ps2pdf13 - Convert PostScript to PDF 1.3 (Acrobat 4-and-later compatible) usi...
 * ps2pdf14 - Convert PostScript to PDF 1.4 (Acrobat 5-and-later compatible) usi...
 * psc - prepare sc files
 * psfxtable - handle Unicode character tables for console fonts
 * psiginfo - print signal message
 * psignal - print signal message
 * ptar - a tar-like program written in perl
 * ptardiff - program that diffs an extracted archive against an unextracted one
 * ptargrep - Apply pattern matching to the contents of files in a tar archive
 * pthread_attr_destroy - initialize and destroy thread attributes object
 * pthread_attr_getschedparam - set/get scheduling parameter attributes in thread attrib...
 * pthread_attr_init - initialize and destroy thread attributes object
 * pthread_attr_setschedparam - set/get scheduling parameter attributes in thread attrib...
 * pthread_cancel - send a cancellation request to a thread
 * pthread_cleanup_pop - push and pop thread cancellation clean-up handlers
 * pthread_cleanup_pop_restore_np - push and pop thread cancellation clean-up handlers w...
 * pthread_cleanup_push - push and pop thread cancellation clean-up handlers
 * pthread_cleanup_push_defer_np - push and pop thread cancellation clean-up handlers wh...
 * pthread_create - create a new thread
 * pthread_equal - compare thread IDs
 * pthread_exit - terminate calling thread
 * pthread_getname_np - set/get the name of a thread
 * pthread_getschedparam - set/get scheduling policy and parameters of a thread
 * pthread_join - join with a terminated thread
 * pthread_kill - send a signal to a thread
 * pthread_kill_other_threads_np - terminate all other threads in process
 * pthread_mutex_consistent - make a robust mutex consistent
 * pthread_mutex_consistent_np - make a robust mutex consistent
 * pthread_mutexattr_getrobust - get and set the robustness attribute of a mutex attribu...
 * pthread_mutexattr_getrobust_np - get and set the robustness attribute of a mutex attr...
 * pthread_mutexattr_setrobust - get and set the robustness attribute of a mutex attribu...
 * pthread_mutexattr_setrobust_np - get and set the robustness attribute of a mutex attr...
 * pthread_rwlockattr_getkind_np - set/get the read-write lock kind of the thread read-w...
 * pthread_rwlockattr_setkind_np - set/get the read-write lock kind of the thread read-w...
 * pthread_setcancelstate - set cancelability state and type
 * pthread_setcanceltype - set cancelability state and type
 * pthread_setname_np - set/get the name of a thread
 * pthread_setschedparam - set/get scheduling policy and parameters of a thread
 * pthread_sigmask - examine and change mask of blocked signals
 * pthread_sigqueue - queue a signal and data to a thread
 * pthread_spin_destroy - initialize or destroy a spin lock
 * pthread_spin_init - initialize or destroy a spin lock
 * pthread_spin_lock - lock and unlock a spin lock
 * pthread_spin_trylock - lock and unlock a spin lock
 * pthread_spin_unlock - lock and unlock a spin lock
 * pthread_testcancel - request delivery of any pending cancellation request
 * pthread_timedjoin_np - try to join with a terminated thread
 * pthread_tryjoin_np - try to join with a terminated thread
 * ptmx - pseudoterminal master and slave
 * pts - pseudoterminal master and slave
 * ptsname - get the name of the slave pseudoterminal
 * ptsname_r - get the name of the slave pseudoterminal
 * ptx - produce a permuted index of file contents
 * pty - pseudoterminal interfaces
 * pulse-cli-syntax - PulseAudio Command Line Interface Syntax
 * pulse-daemon.conf - PulseAudio daemon configuration file
 * pulseaudio - The PulseAudio Sound System
 * putc - output of characters and strings
 * putchar - output of characters and strings
 * putenv - change or add an environment variable
 * putmsg - unimplemented system calls
 * putpmsg - unimplemented system calls
 * putpwent - write a password file entry
 * puts - output of characters and strings
 * putspent - get shadow password file entry
 * pututline - access utmp file entries
 * pututxline - access utmp file entries
 * putw - input and output of words (ints)
 * putwchar - write a wide character to standard output
 * pvalloc - allocate aligned memory
 * pvck - Check metadata on physical volumes
 * pvcreate - Initialize physical volume for use by LVM
 * pvmove - Move extents from one physical volume to another
 * pvremove - Remove LVM label from physical volume
 * pvs - Display information about physical volumes
 * pvscan - List all physical volumes
 * pwck - verify integrity of password files
 * pwconv - convert to and from shadow passwords and groups
 * pwd - print name of current/working directory
 * pwgen - generate pronounceable passwords
 * pwunconv - convert to and from shadow passwords and groups
 * pxelinux-options - utility to set PXELINUX hard-coded options.
 * py3clean - removes .pyc and .pyo files
 * py3compile - byte compile Python 3 source files
 * py3versions - print python3 version information
 * pyclean - removes .pyc and .pyo files
 * pycompile - byte compile Python source files
 * python2 - an interpreted, interactive, object-oriented programming language
 * python2.7 - an interpreted, interactive, object-oriented programming language
 * python3 - an interpreted, interactive, object-oriented programming language
 * python3-config - output build options for python C/C++ extensions or embedding
 * python3.8 - an interpreted, interactive, object-oriented programming language
 * python3.8-config - output build options for python C/C++ extensions or embedding
 * pyversions - print python version information
 * qmgr (8postfix) - Postfix queue manager
 * qmqp-sink - parallelized QMQP test server
 * qmqp-source - parallelized QMQP test generator
 * qmqpd (8postfix) - Postfix QMQP server
 * qpdldecode - Decode a QPDL stream into human readable form.
 * qrttoppm - convert output from the QRT ray tracer into a portable pixmap
 * qshape - Print Postfix queue domain and age distribution
 * query_module - query the kernel for various bits pertaining to modules
 * queue - implementations of singly-linked lists, singly-linked tail queues,...
 * raise - send a signal to the caller
 * rand (1ssl) - generate pseudo-random bytes
 * rand - pseudo-random number generator
 * RAND_DRBG (7ssl) - the deterministic random bit generator
 * rand_r - pseudo-random number generator
 * random - random number generator
 * random - kernel random number source devices
 * random - overview of interfaces for obtaining randomness
 * random_r - reentrant random number generator
 * ranlib - generate an index to an archive
 * raw - bind a Linux raw character device
 * rawmemchr - scan memory for a character
 * rawtoppm - convert raw RGB bytes into a portable pixmap
 * rcmd - routines for returning a stream to a remote command
 * rcmd_af - routines for returning a stream to a remote command
 * rcp - OpenSSH secure file copy
 * rdjpgcom - display text comments from a JPEG file
 * re_format - POSIX.2 regular expressions
 * readdir (3am) - directory input parser for gawk
 * readelf - display information about ELF files
 * readline (3readline)- get a line from a user with editing
 * readlink - print resolved symbolic links or canonical file names
 * readproc - read information from next /proc/## entry
 * readproctab - read information for all current processes at once
 * readprofile - read kernel profiling information
 * realloc - allocate and free dynamic memory
 * reallocarray - allocate and free dynamic memory
 * realpath - print the resolved path
 * realpath - return the canonicalized absolute pathname
 * reboot - Halt, power-off or reboot the machine
 * recountdiff - recompute patch counts and offsets
 * recv - receive a message from a socket
 * recvfrom - receive a message from a socket
 * recvmmsg - receive multiple messages on a socket
 * recvmsg - receive a message from a socket
 * red - line-oriented text editor
 * rediff - fix offsets and counts of a hand-edited diff
 * redland - Resource Description Framework (RDF) Library
 * regdbdump - parse and print out regulatory rules file
 * regedit - Wine registry editor
 * regedit-stable - Wine registry editor
 * regexp_table - format of Postfix regular expression tables
 * register-stardata - Install or remove star data catalogues and astronomy programs
 * registerrpc - library routines for remote procedure calls
 * regsvr32 - Wine DLL Registration Server
 * regsvr32-stable - Wine DLL Registration Server
 * rehash (1ssl) - Create symbolic links to files named by the hash values
 * reiserfstune - The tunning tool for the ReiserFS filesystem.
 * relocated - Postfix relocated table format
 * remainder - floating-point remainder function
 * remainderf - floating-point remainder function
 * remainderl - floating-point remainder function
 * remap_file_pages - create a nonlinear file mapping
 * remove-shell - remove shells from the list of valid login shells
 * removexattr - remove an extended attribute
 * remquo - remainder and part of quotient
 * remquof - remainder and part of quotient
 * remquol - remainder and part of quotient
 * rename - renames multiple files
 * rename - change the name or location of a file
 * rename.ul - rename files
 * renameat - change the name or location of a file
 * renameat2 - change the name or location of a file
 * rendercheck - simple tests of the X Render extension.
 * renice - alter priority of running processes
 * repertoiremap - map symbolic character names to Unicode code points
 * req (1ssl) - PKCS#10 certificate request and certificate generating utility
 * request-key - handle key instantiation callback requests from the kernel
 * request-key.conf - Instantiation handler configuration file
 * request_key - request a key from the kernel's key management facility
 * res_init - resolver routines
 * res_mkquery - resolver routines
 * res_nclose - resolver routines
 * res_ninit - resolver routines
 * res_nmkquery - resolver routines
 * res_nquery - resolver routines
 * res_nquerydomain - resolver routines
 * res_nsearch - resolver routines
 * res_nsend - resolver routines
 * res_query - resolver routines
 * res_querydomain - resolver routines
 * res_search - resolver routines
 * res_send - resolver routines
 * reset - terminal initialization
 * resizecons - change kernel idea of the console size
 * resizepart - tell the kernel about the new size of a partition
 * resolv.conf - resolver configuration file
 * resolvconf - Resolve domain names, IPV4 and IPv6 addresses, DNS resource record...
 * resolvectl - Resolve domain names, IPV4 and IPv6 addresses, DNS resource record...
 * resolved.conf - Network Name Resolution configuration files
 * resolved.conf.d - Network Name Resolution configuration files
 * resolver - resolver routines
 * resolver - resolver configuration file
 * rev - reverse lines characterwise
 * rewind - reposition a stream
 * rewinddir - reset directory stream
 * rexec - return stream to a remote command
 * rexec_af - return stream to a remote command
 * rfkill - tool for enabling and disabling wireless devices
 * rgb3toppm - combine three portable graymaps into one portable pixmap
 * rgrep - print lines that match patterns
 * rhythmbox - music player and library for tagged files using GStreamer
 * rhythmbox-client - controls a running instance of rhythmbox
 * rifle - ranger's file opener
 * rindex - locate character in string
 * rint - round to nearest integer
 * rintf - round to nearest integer
 * rintl - round to nearest integer
 * rlogin - OpenSSH remote login client
 * rmail - handle remote mail received via uucp
 * rmic - Generates stub, skeleton, and tie classes for remote objects that ...
 * rmid - Starts the activation system daemon that enables objects to be reg...
 * rmmod - Simple program to remove a module from the Linux Kernel
 * rmt - remote magnetic tape server
 * rmt-tar - remote magnetic tape server
 * rnano - a restricted nano
 * Role::Tiny (3pm) - Roles: a nouvelle cuisine portion size slice of Moose
 * Role::Tiny::With (3pm)- Neat interface for consumers of Role::Tiny roles
 * rotatelogs - Piped logging program to rotate Apache logs
 * round - round to nearest integer, away from zero
 * roundf - round to nearest integer, away from zero
 * roundl - round to nearest integer, away from zero
 * routel - list routes with pretty output format
 * rpc - library routines for remote procedure calls
 * rpcclient - tool for executing client side MS-RPC functions
 * rpcgen - an RPC protocol compiler
 * rpm-misc - lesser need options for rpm
 * rpm2cpio - Extract cpio archive from RPM Package Manager (RPM) package.
 * rpmatch - determine if the answer to a question is affirmative or negative
 * rpmdeps - Generate RPM Package Dependencies
 * rpmgraph - Display RPM Package Dependency Graph
 * rpmsign - RPM Package Signing
 * rpmspec - RPM Spec Tool
 * rresvport - routines for returning a stream to a remote command
 * rresvport_af - routines for returning a stream to a remote command
 * rsh - OpenSSH remote login client
 * rstartd - a sample implementation of a Remote Start rsh helper
 * rsync - a fast, versatile, remote (and local) file-copying tool
 * rsyncd.conf - configuration file for rsync in daemon mode
 * rsyslogd - reliable and extended syslogd
 * rt_sigaction - examine and change a signal action
 * rt_sigpending - examine pending signals
 * rt_sigprocmask - examine and change blocked signals
 * rt_sigqueueinfo - queue a signal and data
 * rt_sigreturn - return from signal handler and cleanup stack frame
 * rt_sigsuspend - wait for a signal
 * rt_tgsigqueueinfo - queue a signal and data
 * rtacct - network statistics tools.
 * rtime - get time from a remote machine
 * rtkitctl - Realtime Policy and Watchdog daemon control
 * rtld-audit - auditing API for the dynamic linker
 * rtmon - listens to and monitors RTnetlink
 * rtmpdump - RTMP streaming media client
 * rtmpsuck - a transparent RTMP proxy
 * rtnetlink - macros to manipulate rtnetlink messages
 * rtnetlink - Linux IPv4 routing socket
 * rtpr - replace backslashes with newlines.
 * rtstat - unified linux network statistics
 * run-parts - run scripts or programs in a directory
 * runcon - run command with specified security context
 * runlevel - Print previous and current SysV runlevel
 * runuser - run a command with substitute user and group ID
 * ruserok - routines for returning a stream to a remote command
 * ruserok_af - routines for returning a stream to a remote command
 * rvnamed-ng - reverse name resolution daemon for iptraf
 * rwarray (3am) - write and read gawk arrays to/from files
 * s390_guarded_storage - operations with z/Architecture guarded storage facility
 * s390_pci_mmio_read - transfer data to/from PCI MMIO memory page
 * s390_pci_mmio_write - transfer data to/from PCI MMIO memory page
 * sa - summarizes accounting information
 * samba - A Windows AD and SMB/CIFS fileserver for UNIX
 * samba-tool - Main Samba administration tool.
 * sane - Scanner Access Now Easy: API for accessing scanners
 * sane-abaton - SANE backend for Abaton flatbed scanners
 * sane-agfafocus - SANE backend for AGFA Focus flatbed scanners
 * sane-apple - SANE backend for Apple flatbed scanners
 * sane-artec - SANE backend for Artec flatbed scanners
 * sane-artec_eplus48u - SANE backend for the scanner Artec E+ 48U and re-badged models
 * sane-as6e - SANE backend for using the Artec AS6E parallel port interface scan...
 * sane-avision - SANE backend for original Avision and Avision OEM scanners (HP, Mi...
 * sane-bh - SANE backend for Bell+Howell Copiscan II series document scanners
 * sane-canon - SANE backend for Canon SCSI scanners
 * sane-canon630u - SANE backend for the Canon 630u USB flatbed scanner
 * sane-canon_dr - SANE backend for Canon DR-series scanners
 * sane-canon_pp - SANE backend for Canon CanoScan Parallel Port flatbed scanners
 * sane-cardscan - SANE backend for Corex CardScan usb scanners
 * sane-coolscan - SANE backend for Nikon film-scanners
 * sane-coolscan2 - SANE backend for Nikon Coolscan film scanners
 * sane-coolscan3 - SANE backend for Nikon Coolscan film scanners
 * sane-dc210 - SANE backend for Kodak DC210 Digital Camera
 * sane-dc240 - SANE backend for Kodak DC240 Digital Camera
 * sane-dc25 - SANE backend for Kodak DC20/DC25 Digital Cameras
 * sane-dll - SANE dynamic backend loader
 * sane-dmc - SANE backend for the Polaroid Digital Microscope Camera
 * sane-epjitsu - SANE backend for Epson-based Fujitsu USB scanners.
 * sane-epson - SANE backend for EPSON scanners
 * sane-epson2 - SANE backend for EPSON scanners
 * sane-epsonds - SANE backend for EPSON ESC/I-2 scanners
 * sane-escl - SANE backend for eSCL scanners
 * sane-find-scanner - find SCSI and USB scanners and their device files
 * sane-fujitsu - SANE backend for Fujitsu flatbed and ADF scanners
 * sane-genesys - SANE backend for GL646, GL841, GL843, GL847 and GL124 based USB fl...
 * sane-gphoto2 - SANE backend for gphoto2 supported cameras
 * sane-gt68xx - SANE backend for GT-68XX based USB flatbed scanners
 * sane-hp - SANE backend for HP ScanJet scanners
 * sane-hp3500 - SANE backend for Hewlett-Packard ScanJet 3500 series scanners
 * sane-hp3900 - SANE backend for RTS8822 chipset based scanners
 * sane-hp4200 - SANE backend for Hewlett-Packard 4200 scanners
 * sane-hp5400 - SANE backend for Hewlett-Packard 54XX scanners
 * sane-hp5590 - SANE backend for Hewlett-Packard 4500C/4570C/5500C/5550C/5590/7650...
 * sane-hpljm1005 - SANE backend for Hewlett-Packard LaserJet M1005 MFP Scanner
 * sane-hpsj5s - SANE backend for HP ScanJet 5S sheet-fed scanner
 * sane-hs2p - SANE backend for Ricoh SCSI flatbed/ADF scanners
 * sane-ibm - SANE backend for IBM and Ricoh SCSI flatbed scanners
 * sane-kodak - SANE backend for big Kodak flatbed and ADF scanners
 * sane-kodakaio - SANE backend for Kodak aio printer / scanners
 * sane-kvs1025 - SANE backend for Panasonic KV-S102xC USB ADF scanners.
 * sane-kvs20xx - SANE backend for Panasonic KV-S20xxC USB/SCSI ADF scanners.
 * sane-kvs40xx - SANE backend for Panasonic KV-S40xxC USB/SCSI ADF scanners.
 * sane-leo - SANE backend for LEO Technologies scanners
 * sane-lexmark - SANE backend for Lexmark X1100/X1200 Series scanners
 * sane-ma1509 - SANE backend for Mustek BearPaw 1200F USB scanner
 * sane-magicolor - SANE backend for KONICA MINOLTA magicolor scanners
 * sane-matsushita - SANE backend for Panasonic KV-SS high speed scanners
 * sane-microtek - SANE backend for Microtek scanners
 * sane-microtek2 - SANE backend for Microtek scanners with SCSI-2 command set
 * sane-mustek - SANE backend for Mustek SCSI flatbed scanners (and some other devi...
 * sane-mustek_pp - SANE backend for Mustek parallel port flatbed scanners
 * sane-mustek_usb - SANE backend for Mustek USB flatbed scanners
 * sane-mustek_usb2 - SANE backend for SQ113 based USB flatbed scanners
 * sane-nec - SANE backend for NEC scanners
 * sane-net - SANE network backend
 * sane-niash - SANE backend for scanners based on the NIASH chipset.
 * sane-p5 - SANE backend for the Primax PagePartner
 * sane-pie - SANE backend for PIE, Devcom and AdLib SCSI flatbed scanners
 * sane-pieusb - SANE backend for USB-connected PIE PowerSlide and Reflecta DigitDi...
 * sane-pint - SANE backend for scanners that use the PINT device driver
 * sane-pixma - SANE backend for Canon Multi-Function Printers and CanoScan Scanners
 * sane-plustek - SANE backend for LM983[1/2/3] based USB flatbed scanners
 * sane-plustek_pp - SANE backend for Plustek parallel port flatbed scanners
 * sane-pnm - SANE PNM image reader pseudo-backend
 * sane-qcam - SANE backend for Connectix QuickCam cameras
 * sane-ricoh - SANE backend for Ricoh flatbed scanners
 * sane-ricoh2 - SANE backend for Ricoh flatbed scanners
 * sane-rts8891 - SANE backend for rts8891 based scanners
 * sane-s9036 - SANE backend for Siemens 9036 flatbed scanners
 * sane-sceptre - SANE backend for SCEPTRE scanners
 * sane-scsi - SCSI adapter tips for scanners
 * sane-sharp - SANE backend for SHARP scanners
 * sane-sm3600 - SANE backend for Microtek scanners with M011 USB chip
 * sane-sm3840 - SANE backend for Microtek scanners with SCAN08 USB chip
 * sane-snapscan - SANE backend for AGFA SnapScan flatbed scanners
 * sane-sp15c - SANE backend for Fujitsu ScanPartner 15C flatbed scanner
 * sane-st400 - SANE backend for Siemens ST/Highscan flatbed scanners
 * sane-stv680 - SANE backend for STV680 camera's
 * sane-tamarack - SANE backend for Tamarack flatbed scanners
 * sane-teco1 - SANE backend for TECO / RELISYS scanners
 * sane-teco2 - SANE backend for TECO / RELISYS scanners
 * sane-teco3 - SANE backend for TECO / RELISYS scanners
 * sane-test - SANE backend for testing frontends
 * sane-u12 - SANE backend for Plustek USB flatbed scanners, based on older parp...
 * sane-umax - SANE backend for UMAX scanners
 * sane-umax1220u - SANE backend for the UMAX Astra 1220U and similar scanners
 * sane-umax_pp - SANE backend for Umax Astra parallel port flatbed scanners
 * sane-usb - USB configuration tips for SANE
 * sane-xerox_mfp - SANE backend for Xerox Phaser 3200MFP device et al.
 * saned - SANE network daemon
 * scache (8postfix) - Postfix shared connection cache server
 * scandir - scan a directory for matching entries
 * scandirat - scan a directory for matching entries
 * scanf - input format conversion
 * scanimage - scan an image
 * sccmap - extract strongly connected components of directed graphs
 * sched_getaffinity - set and get a thread's CPU affinity mask
 * sched_getattr - set and get scheduling policy and attributes
 * sched_getcpu - determine CPU on which the calling thread is running
 * sched_getparam - set and get scheduling parameters
 * sched_getscheduler - set and get scheduling policy/parameters
 * sched_rr_get_interval - get the SCHED_RR interval for the named process
 * sched_setaffinity - set and get a thread's CPU affinity mask
 * sched_setattr - set and get scheduling policy and attributes
 * sched_setparam - set and get scheduling parameters
 * sched_setscheduler - set and get scheduling policy/parameters
 * scp - OpenSSH secure file copy
 * scr_dump - format of curses screen-dumps.
 * screendump - dump the contents of a virtual console to stdout
 * script - make typescript of terminal session
 * scriptreplay - play back typescripts, using timing information
 * sdptool - control and interrogate SDP servers
 * seahorse - Passwords and Keys
 * secure_getenv - get an environment variable
 * securetty - file which lists terminals from which root can log in
 * security - unimplemented system calls
 * sed - stream editor for filtering and transforming text
 * seed48 - generate uniformly distributed pseudo-random numbers
 * seed48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * seekdir - set the position of the next readdir call in the directory stream.
 * sem_close - close a named semaphore
 * sem_destroy - destroy an unnamed semaphore
 * sem_init - initialize an unnamed semaphore
 * sem_open - initialize and open a named semaphore
 * sem_unlink - remove a named semaphore
 * semctl - System V semaphore control operations
 * semget - get a System V semaphore set identifier
 * send - send a message on a socket
 * sendfile - transfer data between file descriptors
 * sendfile64 - transfer data between file descriptors
 * sendmail - Postfix to Sendmail compatibility interface
 * sendmmsg - send multiple messages on a socket
 * sendmsg - send a message on a socket
 * sendto - send a message on a socket
 * sensible-browser - sensible editing, paging, and web browsing
 * sensible-editor - sensible editing, paging, and web browsing
 * sensible-pager - sensible editing, paging, and web browsing
 * sensors - print sensors information
 * sensors-detect - detect hardware monitoring chips
 * sepermit.conf - configuration file for the pam_sepermit module
 * Sereal::Encoder (3pm)- Fast, compact, powerful binary serialization
 * Sereal::Performance (3pm)- Getting the most out of the Perl-Sereal implementation
 * serialver - Returns the serial version UID for specified classes.
 * services - Internet network services list
 * sess_id (1ssl) - SSL/TLS session handling utility
 * set_mempolicy - set default NUMA memory policy for a thread and its children
 * set_thread_area - manipulate thread-local storage information
 * setarch - change reported architecture in new program environment and/or set...
 * setcifsacl - Userspace helper to alter an ACL in a security descriptor for Comm...
 * setdomainname - get/set NIS domain name
 * setenv - change or add an environment variable
 * setfattr - set extended attributes of filesystem objects
 * setfsent - handle fstab entries
 * sethostent - get network host entry
 * sethostname - get/set hostname
 * setkey - encrypt 64-bit messages
 * setkey_r - encrypt 64-bit messages
 * setkeycodes - load kernel scancode-to-keycode mapping table entries
 * setlinebuf - stream buffering operations
 * setlogcons - Send kernel messages to console N
 * setmetamode - define the keyboard meta key handling
 * setnetent - get network entry
 * setnetgrent - handle network group entries
 * setns - reassociate thread with a namespace
 * setpwent - get password file entry
 * setregid - set real and/or effective user or group ID
 * setregid32 - set real and/or effective user or group ID
 * setresgid - set real, effective and saved user or group ID
 * setresgid32 - set real, effective and saved user or group ID
 * setresuid - set real, effective and saved user or group ID
 * setresuid32 - set real, effective and saved user or group ID
 * setreuid - set real and/or effective user or group ID
 * setreuid32 - set real and/or effective user or group ID
 * setsid - run a program in a new session
 * setsid - creates a session and sets the process group ID
 * setsockopt - get and set options on sockets
 * setspent - get shadow password file entry
 * setstate - random number generator
 * setstate_r - reentrant random number generator
 * setterm - set terminal attributes
 * setup - setup devices and filesystems, mount root filesystem
 * setupcon - sets up the font and the keyboard on the console
 * setusershell - get permitted user shells
 * setvtrgb - set the virtual terminal RGB colors
 * setxattr - set an extended attribute value
 * sfdisk - display or manipulate a disk partition table
 * sfdp - filter for drawing large undirected graphs
 * sftp - OpenSSH secure file transfer
 * sg - execute command as different group ID
 * sgdisk - Command-line GUID partition table (GPT) manipulator for Linux and ...
 * sgetspent - get shadow password file entry
 * sgetspent_r - get shadow password file entry
 * sh - command interpreter (shell)
 * sha1pass - Create a SHA1 password hash
 * sha1sum - compute and check SHA1 message digest
 * sha224sum - compute and check SHA224 message digest
 * sha256sum - compute and check SHA256 message digest
 * sha384sum - compute and check SHA384 message digest
 * sha512sum - compute and check SHA512 message digest
 * shadow - shadowed password file
 * shells - pathnames of valid login shells
 * shm_open - create/open or unlink POSIX shared memory objects
 * shm_unlink - create/open or unlink POSIX shared memory objects
 * shmat - System V shared memory operations
 * shmctl - System V shared memory control
 * shmget - allocates a System V shared memory segment
 * showkey - examine the codes sent by the keyboard
 * showq (8postfix) - list the Postfix mail queue
 * showrgb - display an rgb color-name database
 * shred - overwrite a file to hide its contents, and optionally delete it
 * shuf - generate random permutations
 * shutdown - shut down part of a full-duplex connection
 * shutdown - Halt, power-off or reboot the machine
 * sigaction - examine and change a signal action
 * sigaltstack - set and/or get signal stack context
 * sigandset - POSIX signal set operations
 * sigblock - BSD signal API
 * sigevent - structure for notification from asynchronous routines
 * siggetmask - BSD signal API
 * sighold - System V signal API
 * sigignore - System V signal API
 * sigmask - BSD signal API
 * signal - ANSI C signal handling
 * signgam - log gamma function
 * significand - get mantissa of floating-point number
 * significandf - get mantissa of floating-point number
 * significandl - get mantissa of floating-point number
 * sigpause - atomically release blocked signals and wait for interrupt
 * sigpending - examine pending signals
 * sigprocmask - examine and change blocked signals
 * sigqueue - queue a signal and data to a process
 * sigqueue - queue a signal and data to a process
 * sigrelse - System V signal API
 * sigreturn - return from signal handler and cleanup stack frame
 * sigset - System V signal API
 * sigsetmask - BSD signal API
 * sigstack - set and/or get signal stack context
 * sigsuspend - wait for a signal
 * sigvec - BSD signal API
 * simple-scan - Scanning utility
 * sin - sine function
 * sincos - calculate sin and cos simultaneously
 * sincosf - calculate sin and cos simultaneously
 * sincosl - calculate sin and cos simultaneously
 * sinf - sine function
 * sinh - hyperbolic sine function
 * sinhf - hyperbolic sine function
 * sinhl - hyperbolic sine function
 * sinl - sine function
 * size - list section sizes and total size of binary files
 * skill - send a signal or report process status
 * slabinfo - kernel slab allocator statistics
 * slabtop - display kernel slab cache information in real time
 * slattach - attach a network interface to a serial line
 * sldtoppm - convert an AutoCAD slide file into a portable pixmap
 * sleep - delay for a specified amount of time
 * sleep - sleep for a specified number of seconds
 * sleep.conf.d - Suspend and hibernation configuration file
 * slick-greeter-check-hidpi - distro agnostic LightDM greeter
 * SLIST_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail q...
 * SLIST_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queue...
 * SLIST_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * SLIST_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_REMOVE_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * slogin - OpenSSH remote login client
 * slxdecode - Decode a SLX stream into human readable form.
 * SM2 (7ssl) - Chinese SM2 signature and encryption algorithm support
 * smartpqi - Microsemi Smart Family SCSI driver
 * smbcacls - Set or get ACLs on an NT file or directory names
 * smbget - wget-like utility for download files over SMB
 * smbinfo - Userspace helper to display SMB-specific file information for the ...
 * smbpasswd - The Samba encrypted password file
 * smbpasswd - change a user's SMB password
 * smbspool - send a print file to an SMB printer
 * smbspool_krb5_wrapper - This is a CUPS printing backend which calls smbspool
 * smbtar - shell script for backing up SMB/CIFS shares directly to UNIX tape ...
 * smbtree - A text based smb network browser
 * smtp (8postfix) - Postfix SMTP+LMTP client
 * smtp-sink - parallelized SMTP/LMTP test server
 * smtp-source - parallelized SMTP/LMTP test generator
 * smtpd (8postfix) - Postfix SMTP server
 * snice - send a signal or report process status
 * snmp.conf - configuration files for the Net-SNMP applications
 * snmp_config - handling of Net-SNMP configuration files
 * snmpd.examples - example configuration for the Net-SNMP agent
 * snmpd.internal - internal configuration of the Net-SNMP agent
 * snprintf - formatted output conversion
 * sock_diag - obtaining information about sockets
 * sockatmark - determine whether socket is at out-of-band mark
 * socket - create an endpoint for communication
 * socketmap_table - Postfix socketmap table lookup client
 * socketpair - create a pair of connected sockets
 * sort - sort lines of text files
 * spanish - a list of spanish words
 * spawn (8postfix) - Postfix external command spawner
 * spctoppm - convert an Atari compressed Spectrum file into a portable pixmap
 * spd-conf - configure Speech Dispatcher and diagnose problems
 * spd-say - send text-to-speech output request to speech-dispatcher
 * speaker-test - command-line speaker test tone generator for ALSA
 * speech-dispatcher - speech synthesis daemon
 * spkac (1ssl) - SPKAC printing and generating utility
 * splice - splice data to/from a pipe
 * split - split a file into pieces
 * split-logfile - Split combined virtual hosts access log into one file per virtual ...
 * splitdiff - separate out incremental patches
 * sponge - soak up standard input and write to a file
 * sprintf - formatted output conversion
 * sprof - read and display shared object profiling data
 * spu_create - create a new spu context
 * sputoppm - convert an Atari uncompressed Spectrum file into a portable pixmap
 * srand - pseudo-random number generator
 * srand48 - generate uniformly distributed pseudo-random numbers
 * srand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * srandom - random number generator
 * srandom_r - reentrant random number generator
 * srp (1ssl) - maintain SRP password file
 * sscanf - input format conversion
 * ssh - OpenSSH remote login client
 * ssh-add - adds private key identities to the OpenSSH authentication agent
 * ssh-agent - OpenSSH authentication agent
 * ssh-argv0 - replaces the old ssh command-name as hostname handling
 * ssh-copy-id - use locally available keys to authorise logins on a remote machine
 * ssh-keygen - OpenSSH authentication key utility
 * ssh-keysign - OpenSSH helper for host-based authentication
 * ssh-pkcs11-helper - OpenSSH helper for PKCS#11 support
 * ssh-sk-helper - OpenSSH helper for FIDO authenticator support
 * ssh_config - OpenSSH client configuration file
 * ssl (7ssl) - OpenSSL SSL/TLS library
 * st4topgm - convert an SBIG ST4 format file into a portable graymap
 * STAILQ_CONCAT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail ...
 * STAILQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queu...
 * STAILQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queue...
 * STAILQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queue...
 * STAILQ_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_REMOVE_HEAD - implementations of singly-linked lists, singly-linked tail queue...
 * standards - C and UNIX Standards
 * starconvert - convert text data files to StarPlot format
 * starpkg - convert a StarPlot data set to StarPlot file format
 * start-pulseaudio-x11 - PulseAudio Sound Server X11 Startup Script
 * start-stop-daemon - start and stop system daemon programs
 * statx - get file status (extended)
 * stdbuf - Run COMMAND, with modified buffering operations for its standard s...
 * stderr - standard I/O streams
 * stdin - standard I/O streams
 * stdio - standard input/output library functions
 * stdout - standard I/O streams
 * stl2gts - convert an STL file to GTS format.
 * stpcpy - copy a string returning a pointer to its end
 * stpncpy - copy a fixed-size string, returning a pointer to its end
 * strace - trace system calls and signals
 * strcasecmp - compare two strings ignoring case
 * strcasestr - locate a substring
 * strcat - concatenate two strings
 * strchr - locate character in string
 * strchrnul - locate character in string
 * strcmp - compare two strings
 * strcoll - compare two strings using the current locale
 * stream - a lightweight tool to stream one or more pixel components of the i...
 * stream-im6 - a lightweight tool to stream one or more pixel components of the i...
 * stream-im6.q16 - a lightweight tool to stream one or more pixel components of the i...
 * streamer - record audio and/or video
 * strfmon - convert monetary value to a string
 * strfmon_l - convert monetary value to a string
 * strfry - randomize a string
 * strftime - format date and time
 * strictures (3pm) - Turn on strict and make most warnings fatal
 * strip - discard symbols and other data from object files
 * strncasecmp - compare two strings ignoring case
 * strncat - concatenate two strings
 * strncmp - compare two strings
 * strndup - duplicate a string
 * strndupa - duplicate a string
 * strnlen - determine the length of a fixed-size string
 * strrchr - locate character in string
 * strstr - locate a substring
 * strtoul - convert a string to an unsigned long integer
 * strtoull - convert a string to an unsigned long integer
 * strtouq - convert a string to an unsigned long integer
 * Struct::Dumb (3pm) - make simple lightweight record-like structures
 * strverscmp - compare two version strings
 * strxfrm - string transformation
 * stty - change and print terminal line settings
 * stty - unimplemented system calls
 * su - run a command with substitute user and group ID
 * Sub::Defer (3pm) - Defer generation of subroutines until they are first called
 * Sub::Exporter::Progressive (3pm)- Only use Sub::Exporter if you need it
 * Sub::Identify (3pm) - Retrieve names of code references
 * Sub::Name (3pm) - (Re)name a sub
 * Sub::Override (3pm) - Perl extension for easily overriding subroutines
 * Sub::Quote (3pm) - Efficient generation of subroutines via string eval
 * subpage_prot - define a subpage protection for an address range
 * sudo - execute a command as another user
 * sudo.conf - configuration for sudo front end
 * sudo_plugin - Sudo Plugin API
 * sudo_root - How to run administrative commands
 * sudoedit - execute a command as another user
 * sudoers_timestamp - Sudoers Time Stamp Format
 * sulogin - single-user login
 * sum - checksum and count the blocks in a file
 * svc_destroy - library routines for remote procedure calls
 * svc_freeargs - library routines for remote procedure calls
 * svc_getargs - library routines for remote procedure calls
 * svc_getcaller - library routines for remote procedure calls
 * svc_getreq - library routines for remote procedure calls
 * svc_getreqset - library routines for remote procedure calls
 * svc_register - library routines for remote procedure calls
 * svc_run - library routines for remote procedure calls
 * svc_sendreply - library routines for remote procedure calls
 * svc_unregister - library routines for remote procedure calls
 * svcerr_auth - library routines for remote procedure calls
 * svcerr_decode - library routines for remote procedure calls
 * svcerr_noproc - library routines for remote procedure calls
 * svcerr_noprog - library routines for remote procedure calls
 * svcerr_progvers - library routines for remote procedure calls
 * svcerr_systemerr - library routines for remote procedure calls
 * svcerr_weakauth - library routines for remote procedure calls
 * svcfd_create - library routines for remote procedure calls
 * svcraw_create - library routines for remote procedure calls
 * svctcp_create - library routines for remote procedure calls
 * svcudp_bufcreate - library routines for remote procedure calls
 * svcudp_create - library routines for remote procedure calls
 * svipc - System V interprocess communication mechanisms
 * swapoff - start/stop swapping to file/device
 * swapoff - enable/disable devices and files for paging and swapping
 * swapon - start/stop swapping to file/device
 * swapon - enable/disable devices and files for paging and swapping
 * sweep - a sound wave editor
 * switch_root - switch to another filesystem as the root of the mount tree
 * swprintf - formatted wide-character output conversion
 * symcryptrun - Call a simple symmetric encryption tool
 * symlink - make a new name for a file
 * symlink - symbolic link handling
 * symlinkat - make a new name for a file
 * sync - Synchronize cached writes to persistent storage
 * Sys::Hostname::Long (3pm)- Try every conceivable way to get full hostname
 * sys_errlist - print a system error message
 * sys_nerr - print a system error message
 * syscall - indirect system call
 * sysconf - get configuration information at run time
 * sysctl - read/write system parameters
 * sysctl - configure kernel parameters at runtime
 * sysctl.conf - sysctl preload/configuration file
 * sysctl.d - Configure kernel parameters at boot
 * sysfs - get filesystem type information
 * sysfs - a filesystem for exporting kernel objects
 * sysinfo - return system information
 * syslinux2ansi - converts a syslinux-format screen to pc-ansi
 * syslog - read and/or clear kernel message ring buffer; set console_loglevel
 * syslog - send messages to the system logger
 * system - execute a shell command
 * system-tools-backends - message dispatcher for system-tools-backends
 * system.conf.d - System and session service manager configuration files
 * systemctl - Control the systemd system and service manager
 * systemd - systemd system and service manager
 * systemd-analyze - Analyze and debug system manager
 * systemd-ask-password - Query the user for a system password
 * systemd-ask-password-console.path - Query the user for system passwords on the consol...
 * systemd-ask-password-console.service - Query the user for system passwords on the con...
 * systemd-ask-password-wall.path - Query the user for system passwords on the console a...
 * systemd-ask-password-wall.service - Query the user for system passwords on the consol...
 * systemd-backlight - Load and save the display backlight brightness at boot and shutdown
 * systemd-backlight@.service - Load and save the display backlight brightness at boot a...
 * systemd-binfmt - Configure additional binary formats for executables at boot
 * systemd-binfmt.service - Configure additional binary formats for executables at boot
 * systemd-bless-boot-generator - Pull systemd-bless-boot.service into the initial boot ...
 * systemd-boot-system-token.service - Generate an initial boot loader system token and ...
 * systemd-cat - Connect a pipeline or program's output with the journal
 * systemd-coredump - Acquire, save and process core dumps
 * systemd-coredump.socket - Acquire, save and process core dumps
 * systemd-coredump@.service - Acquire, save and process core dumps
 * systemd-cryptsetup-generator - Unit generator for /etc/crypttab
 * systemd-debug-generator - Generator for enabling a runtime debug shell and masking sp...
 * systemd-delta - Find overridden configuration files
 * systemd-detect-virt - Detect execution in a virtualized environment
 * systemd-environment-d-generator - Load variables specified by environment.d
 * systemd-escape - Escape strings for usage in systemd unit names
 * systemd-fstab-generator - Unit generator for /etc/fstab
 * systemd-getty-generator - Generator for enabling getty instances on the console
 * systemd-gpt-auto-generator - Generator for automatically discovering and mounting roo...
 * systemd-growfs - Creating and growing file systems on demand
 * systemd-growfs@.service - Creating and growing file systems on demand
 * systemd-hibernate-resume-generator - Unit generator for resume= kernel parameter
 * systemd-hostnamed - Host name bus mechanism
 * systemd-hostnamed.service - Host name bus mechanism
 * systemd-id128 - Generate and print sd-128 identifiers
 * systemd-importd - VM and container image import and export service
 * systemd-importd.service - VM and container image import and export service
 * systemd-localed - Locale bus mechanism
 * systemd-localed.service - Locale bus mechanism
 * systemd-logind - Login manager
 * systemd-logind.service - Login manager
 * systemd-machine-id-commit.service - Commit a transient machine ID to disk
 * systemd-machine-id-setup - Initialize the machine ID in /etc/machine-id
 * systemd-makefs - Creating and growing file systems on demand
 * systemd-makefs@.service - Creating and growing file systems on demand
 * systemd-mkswap@.service - Creating and growing file systems on demand
 * systemd-modules-load - Load kernel modules at boot
 * systemd-modules-load.service - Load kernel modules at boot
 * systemd-mount - Establish and destroy transient mount or auto-mount points
 * systemd-network-generator - Generate network configuration from the kernel command line
 * systemd-network-generator.service - Generate network configuration from the kernel co...
 * systemd-networkd - Network manager
 * systemd-networkd-wait-online - Wait for network to come online
 * systemd-networkd-wait-online.service - Wait for network to come online
 * systemd-networkd.service - Network manager
 * systemd-notify - Notify service manager about start-up completion and other daemon ...
 * systemd-path - List and query system and user paths
 * systemd-random-seed - Load and save the system random seed at boot and shutdown
 * systemd-random-seed.service - Load and save the system random seed at boot and shutdown
 * systemd-rc-local-generator - Compatibility generator for starting /etc/rc.local durin...
 * systemd-remount-fs - Remount root and kernel file systems
 * systemd-remount-fs.service - Remount root and kernel file systems
 * systemd-resolved - Network Name Resolution manager
 * systemd-resolved.service - Network Name Resolution manager
 * systemd-rfkill - Load and save the RF kill switch state at boot and change
 * systemd-rfkill.service - Load and save the RF kill switch state at boot and change
 * systemd-rfkill.socket - Load and save the RF kill switch state at boot and change
 * systemd-run-generator - Generator for invoking commands specified on the kernel comma...
 * systemd-sleep.conf - Suspend and hibernation configuration file
 * systemd-socket-activate - Test socket activation of daemons
 * systemd-suspend-then-hibernate.service - System sleep state logic
 * systemd-suspend.service - System sleep state logic
 * systemd-sysctl - Configure kernel parameters at boot
 * systemd-sysctl.service - Configure kernel parameters at boot
 * systemd-system-update-generator - Generator for redirecting boot to offline update mode
 * systemd-system.conf - System and session service manager configuration files
 * systemd-sysusers - Allocate system users and groups
 * systemd-sysusers.service - Allocate system users and groups
 * systemd-sysv-generator - Unit generator for SysV init scripts
 * systemd-time-wait-sync - Wait Until Kernel Time Synchronized
 * systemd-time-wait-sync.service - Wait Until Kernel Time Synchronized
 * systemd-timedated - Time and date bus mechanism
 * systemd-timedated.service - Time and date bus mechanism
 * systemd-timesyncd - Network Time Synchronization
 * systemd-timesyncd.service - Network Time Synchronization
 * systemd-tmpfiles - Creates, deletes and cleans up volatile and temporary files and di...
 * systemd-tmpfiles-clean.service - Creates, deletes and cleans up volatile and temporar...
 * systemd-tmpfiles-clean.timer - Creates, deletes and cleans up volatile and temporary ...
 * systemd-tmpfiles-setup-dev.service - Creates, deletes and cleans up volatile and temp...
 * systemd-tmpfiles-setup.service - Creates, deletes and cleans up volatile and temporar...
 * systemd-tty-ask-password-agent - List or process pending systemd password requests
 * systemd-udev-settle.service - Wait for all pending udev events to be handled
 * systemd-udevd - Device event managing daemon
 * systemd-udevd-control.socket - Device event managing daemon
 * systemd-udevd-kernel.socket - Device event managing daemon
 * systemd-udevd.service - Device event managing daemon
 * systemd-umount - Establish and destroy transient mount or auto-mount points
 * systemd-update-utmp - Write audit and utmp updates at bootup, runlevel changes and sh...
 * systemd-update-utmp-runlevel.service - Write audit and utmp updates at bootup, runlev...
 * systemd-update-utmp.service - Write audit and utmp updates at bootup, runlevel change...
 * systemd-user-sessions - Permit user logins after boot, prohibit user logins at shutdown
 * systemd-user-sessions.service - Permit user logins after boot, prohibit user logins a...
 * systemd-user.conf - System and session service manager configuration files
 * systemd-veritysetup-generator - Unit generator for integrity protected block devices
 * systemd-volatile-root - Make the root file system volatile
 * systemd-volatile-root.service - Make the root file system volatile
 * systemd.automount - Automount unit configuration
 * systemd.directives - Index of configuration directives
 * systemd.environment-generator - systemd environment file generators
 * systemd.exec - Execution environment configuration
 * systemd.generator - systemd unit generators
 * systemd.index - List all manpages from the systemd project
 * systemd.link - Network device configuration
 * systemd.mount - Mount unit configuration
 * systemd.negative - DNSSEC trust anchor configuration files
 * systemd.net-naming-scheme - Network device naming schemes
 * systemd.netdev - Virtual Network Device configuration
 * systemd.network - Network configuration
 * systemd.offline-updates - Implementation of offline updates in systemd
 * systemd.syntax - General syntax of systemd configuration files
 * systemd.time - Time and date specifications
 * sysusers.d - Declarative allocation of system users and groups
 * sysv_signal - signal handling with System V semantics
 * sysvipc - System V interprocess communication mechanisms
 * t1mac - translate a PFA or PFB PostScript Type 1 font into Macintosh format
 * t1unmac - translate a Mac PostScript Type 1 font into PFA or PFB format
 * tabs - set tabs on a terminal
 * tac - concatenate and print files in reverse
 * tail - output the last part of files
 * TAILQ_CONCAT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FOREACH_REVERSE - implementations of singly-linked lists, singly-linked tail qu...
 * TAILQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail q...
 * TAILQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queue...
 * TAILQ_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail queu...
 * TAILQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * TAILQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queues...
 * TAILQ_LAST - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_PREV - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_SWAP - implementations of singly-linked lists, singly-linked tail queues,...
 * tarcat - concatenates the pieces of a GNU tar multi-volume archive
 * tbl - format tables for troff
 * tbl-dctrl - generate tabular representations of data in dctrl format
 * tc-actions - independently defined actions in tc
 * tc-bpf - BPF programmable classifier and actions for ingress/egress queuein...
 * tc-cake - Common Applications Kept Enhanced (CAKE)
 * tc-choke - choose and keep scheduler
 * tc-ctinfo - tc connmark processing action
 * tc-drr - deficit round robin scheduler
 * tc-hfsc - Hierarchical Fair Service Curve's control under linux
 * tc-pedit - generic packet editor action
 * tc-pfifo_fast - three-band first in, first out queue
 * tc-red - Random Early Detection
 * tc-sfq - Stochastic Fairness Queueing
 * tc-skbmod - user-friendly packet editor action
 * tc-stab - Generic size table manipulations
 * tc-tcindex - traffic control index filter
 * tc-tunnel_key - Tunnel metadata manipulation
 * tcdrain - get and set terminal attributes, line control, get and set baud rate
 * tcflow - get and set terminal attributes, line control, get and set baud rate
 * tcflush - get and set terminal attributes, line control, get and set baud rate
 * tcgetattr - get and set terminal attributes, line control, get and set baud rate
 * tcgetpgrp - get and set terminal foreground process group
 * tcp_table - Postfix client/server table lookup protocol
 * tcpdump - dump traffic on a network
 * tcsendbreak - get and set terminal attributes, line control, get and set baud rate
 * tcsetattr - get and set terminal attributes, line control, get and set baud rate
 * tcsetpgrp - get and set terminal foreground process group
 * tee - read from standard input and write to standard output and files
 * tee - duplicating pipe content
 * telldir - return current location in directory stream
 * telnet - user interface to the TELNET protocol
 * telnet.netkit - user interface to the TELNET protocol
 * tempfile - create a temporary file in a safe manner
 * tempnam - create a name for a temporary file
 * term - format of compiled term file.
 * term - conventions for naming terminal types
 * Term::ReadLine::Gnu (3pm)- Perl extension for the GNU Readline/History Library
 * termcap - terminal capability database
 * terminal-colors.d - Configure output colorization for various utilities
 * terminfo - terminal capability data base
 * termio - System V terminal driver interface
 * termios - get and set terminal attributes, line control, get and set baud rate
 * test - check file types and compare values
 * Test::Future::AsyncAwait::Awaitable (3pm)- conformance tests for awaitable role API
 * Test::Lintian::Build -- routines to prepare the work directories
 * Test::Lintian::ConfigFile -- generic helper routines for colon-delimited configurati...
 * Test::Lintian::Helper -- Helper functions for various testing parts
 * Test::Lintian::Hooks -- hook routines for the test runners
 * Test::Lintian::Prepare -- routines to prepare the work directories
 * Test::Lintian::Run -- generic runner for all suites
 * Test::Lintian::Templates -- Helper routines dealing with templates
 * Test::ScriptAge -- routines relating to the age of Perl scripts
 * Test::StagedFileProducer -- mtime-based file production engine
 * testparm - check an smb.conf configuration file for internal correctness
 * Text::CharWidth (3pm)- Get number of occupied columns of a string on terminal
 * Text::Glob (3pm) - match globbing patterns against text
 * Text::Iconv (3pm) - Perl interface to iconv codeset conversion function
 * Text::WrapI18N (3pm)- Line wrapping module with support for multibyte, fullwidth, and co...
 * tfind - manage a binary search tree
 * tgamma - true gamma function
 * tgammaf - true gamma function
 * tgammal - true gamma function
 * tgatoppm - convert TrueVision Targa file into a portable pixmap
 * tgkill - send a signal to a thread
 * tgz - makes a gzip'd tar archive
 * thermal-conf.xml - Configuration file for thermal daemon
 * thermald - start Linux thermal daemon
 * thinkjettopbm - convert HP ThinkJet printer commands file to PBM
 * thunderbird - thunderbird- Mail User Agent (MUA) and newsgroup/RSS client for X...
 * tic - the terminfo entry-description compiler
 * Tie::IxHash (3pm) - ordered associative arrays for Perl
 * time - run programs and summarize system resource usage
 * time - get time in seconds
 * time - overview of time and timers
 * Time::Duration (3pm)- rounded or exact English expression of durations
 * Time::Zone (3pm) -- miscellaneous timezone manipulations routines
 * timedatectl - Control the system time and date
 * timegm - inverses of gmtime and localtime
 * timelocal - inverses of gmtime and localtime
 * timeout - run a command with a time limit
 * timer_gettime - arm/disarm and fetch state of POSIX per-process timer
 * timer_settime - arm/disarm and fetch state of POSIX per-process timer
 * times - get process times
 * timesyncd.conf - Network Time Synchronization configuration files
 * timesyncd.conf.d - Network Time Synchronization configuration files
 * timezone - initialize time conversion information
 * tipc - a TIPC configuration and management tool
 * tipc-nametable - show TIPC nametable
 * tipc-node - modify and show local node parameters or list peer nodes
 * tipc-peer - modify peer information
 * tipc-socket - show TIPC socket (port) information
 * tis-620 - ISO 8859-11 character set encoded in octal, decimal, and hexadecimal
 * tkill - send a signal to a thread
 * tlsmgr (8postfix) - Postfix TLS session cache and PRNG manager
 * tlsproxy (8postfix) - Postfix TLS proxy
 * tmpfiles.d - Configuration for creation, deletion and cleaning of volatile and ...
 * tmpnam - create a name for a temporary file
 * tmpnam_r - create a name for a temporary file
 * touch - change file timestamps
 * tput - initialize a terminal or query terminfo database
 * trace (8postfix) - Postfix delivery status reports
 * tracepath - traces path to a network host discovering MTU along this path
 * traceroute6 - traces path to a network host
 * traceroute6.iputils - traces path to a network host
 * transform - apply geometric transformations to the input.
 * transport - Postfix transport table format
 * transset - Set transparency on a window
 * trivial-rewrite (8postfix)- Postfix address rewriting and resolving daemon
 * troff - the troff processor of the groff text formatting system
 * trunc - round to integer, toward zero
 * truncate - shrink or extend the size of a file to the specified size
 * truncate - truncate a file to a specified length
 * truncate64 - truncate a file to a specified length
 * truncf - round to integer, toward zero
 * truncl - round to integer, toward zero
 * Try::Tiny (3pm) - Minimal try/catch with proper preservation of $@
 * ts - timestamp input
 * ts (1ssl) - Time Stamping Authority tool (client/server)
 * tset - terminal initialization
 * tsget (1ssl) - Time Stamping HTTP/HTTPS client
 * tty - print the file name of the terminal connected to standard input
 * tty - controlling terminal
 * tty_ioctl - ioctls for terminals and serial lines
 * ttyname - return name of a terminal
 * ttyname_r - return name of a terminal
 * ttyS - serial terminal lines
 * ttyslot - find the slot of the current user's terminal in some file
 * ttytype - terminal device to default terminal type mapping
 * tune2fs - adjust tunable filesystem parameters on ext2/ext3/ext4 filesystems
 * tuxcall - unimplemented system calls
 * twopi - filter for radial layouts of graphs
 * Type::Coercion (3pm)- a set of coercions to a particular target type constraint
 * Type::Params (3pm) - Params::Validate-like parameter validation using Type::Tiny type c...
 * Type::Parser (3pm) - parse type constraint strings
 * Type::Tiny::ConstrainedObject (3pm)- shared behavour for Type::Tiny::Class, etc
 * Type::Tiny::Manual::AllTypes (3pm)- alphabetical list of all type constraints bundled wi...
 * Type::Tiny::Manual::Coercions (3pm)- advanced information on coercions
 * Type::Tiny::Manual::NonOO (3pm)- Type::Tiny in non-object-oriented code
 * Type::Tiny::Manual::Optimization (3pm)- squeeze the most out of your CPU
 * Type::Tiny::Manual::Params (3pm)- advanced information on Type::Params
 * Type::Tiny::Manual::UsingWithOther (3pm)- using Type::Tiny with Class::InsideOut, Params...
 * Type::Utils (3pm) - utility functions to make defining and using type constraints a li...
 * Types::Common::Numeric (3pm)- drop-in replacement for MooseX::Types::Common::Numeric
 * Types::Common::String (3pm)- drop-in replacement for MooseX::Types::Common::String
 * Types::Standard (3pm)- bundled set of built-in types for Type::Tiny
 * Types::Standard::ArrayRef (3pm)- internals for the Types::Standard ArrayRef type constraint
 * Types::Standard::CycleTuple (3pm)- internals for the Types::Standard CycleTuple type con...
 * Types::Standard::Dict (3pm)- internals for the Types::Standard Dict type constraint
 * Types::Standard::HashRef (3pm)- internals for the Types::Standard HashRef type constraint
 * Types::Standard::Map (3pm)- internals for the Types::Standard Map type constraint
 * Types::Standard::ScalarRef (3pm)- internals for the Types::Standard ScalarRef type const...
 * Types::Standard::StrMatch (3pm)- internals for the Types::Standard StrMatch type constraint
 * Types::Standard::Tied (3pm)- internals for the Types::Standard Tied type constraint
 * Types::Standard::Tuple (3pm)- internals for the Types::Standard Tuple type constraint
 * tzfile - timezone information
 * tzname - initialize time conversion information
 * tzselect - view timezones
 * tzselect - select a timezone
 * tzset - initialize time conversion information
 * ualarm - schedule signal after given number of microseconds
 * ucs2any - generate BDF fonts containing subsets of ISO 10646-1 codepoints
 * udev - Dynamic device management
 * udev.conf - Configuration for device event managing daemon
 * udisksctl - The udisks command line tool
 * udisksd - The udisks system daemon
 * ufw - program for managing a netfilter firewall
 * ufw-framework - using the ufw framework
 * ul - do underlining
 * ulckpwdf - get shadow password file entry
 * ulimit - get and set user limits
 * ulockmgr_server - Lock Manager Server for FUSE filesystems
 * umax_pp - SANE backend for Umax Astra parallel port flatbed scanners
 * umount - unmount filesystem
 * umount - unmount file systems
 * umount.ecryptfs - eCryptfs umount helper.
 * umount.ecryptfs_private - eCryptfs private unmount helper.
 * umount.udisks2 - unmount file systems that have been mounted by UDisks2
 * umount2 - unmount filesystem
 * uname - print system information
 * uname - get name and information about current kernel
 * uncompress - compress or expand files
 * undocumented - undocumented library functions
 * unexpand - convert spaces to tabs
 * ungetc - input of characters and strings
 * Unicode::UTF8 (3pm) - Encoding and decoding of UTF-8 encoding form
 * unicode_start - put keyboard and console in unicode mode
 * unicode_stop - revert keyboard and console from unicode mode
 * unimplemented - unimplemented system calls
 * uniq - report or omit repeated lines
 * units - decimal and binary prefixes
 * unix_chkpwd - Helper binary that verifies the password of the current user
 * unix_update - Helper binary that updates the password of a given user
 * unlink - delete a name and possibly the file it refers to
 * unlinkat - delete a name and possibly the file it refers to
 * unlockpt - unlock a pseudoterminal master/slave pair
 * unlz4 - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * unlzma - Compress or decompress .xz and .lzma files
 * unpack200 - Transforms a packed file produced by pack200 into a JAR file fo...
 * unsetenv - change or add an environment variable
 * unshare - run program with some namespaces unshared from parent
 * unshare - disassociate parts of the process execution context
 * unsquashfs - tool to uncompress squashfs filesystems
 * unwrapdiff - demangle word-wrapped patches
 * unxz - Compress or decompress .xz and .lzma files
 * unzip - list, test and extract compressed files in a ZIP archive
 * unzipsfx - self-extracting stub for prepending to ZIP archives
 * update-alternatives - maintain symbolic links determining default commands
 * update-binfmts - maintain registry of executable binary formats
 * update-ca-certificates - update /etc/ssl/certs and ca-certificates.crt
 * update-cracklib - Regenerate cracklib dictionary
 * update-default-aspell - rebuild aspell database and emacsen stuff
 * update-desktop-database - Build cache database of MIME types handled by desktop files
 * update-dictcommon-aspell - rebuild aspell database and emacsen stuff
 * update-dictcommon-hunspell - rebuild hunspell database and emacsen stuff
 * update-fonts-alias - compile fonts.alias files
 * update-fonts-dir - compile fonts.dir files
 * update-fonts-scale - generate fonts.scale files
 * update-inetd - create, remove, enable or disable entry /etc/inetd.conf
 * update-info-dir - update or create index file from all installed info files in direc...
 * update-initramfs - generate an initramfs image
 * update-mime - create or update MIME information
 * update-motd - dynamic MOTD generation
 * update-passwd - safely update /etc/passwd, /etc/shadow and /etc/group
 * update-pciids - download new version of the PCI ID list
 * update-perl-sax-parsers - (de)register Perl SAX parser modules
 * update-rc.d - install and remove System-V style init script links
 * updatedb - update a database for mlocate
 * updatedb.mlocate - update a database for mlocate
 * updwtmp - append an entry to the wtmp file
 * updwtmpx - append an entry to the wtmp file
 * upower - UPower command line tool
 * upowerd - UPower Daemon
 * uptime - Tell how long the system has been running.
 * urandom - kernel random number source devices
 * URI::_punycode (3pm)- encodes Unicode string in Punycode
 * URI::Escape (3pm) - Percent-encode and percent-decode unsafe characters
 * URI::file (3pm) - URI that maps to local file names
 * URI::Heuristic (3pm)- Expand URI using heuristics
 * URI::QueryParam (3pm)- Additional query methods for URIs
 * URI::Split (3pm) - Parse and compose URI strings
 * usb_modeswitch_dispatcher - Linux wrapper for usb_modeswitch (not intended for direct...
 * usbhid-dump - dump USB HID device report descriptors and streams
 * usbmuxd - Expose a socket to multiplex connections from and to iOS devices.
 * user.conf.d - System and session service manager configuration files
 * user_caps - user-defined terminfo capabilities
 * user_namespaces - overview of Linux user namespaces
 * useradd - create a new user or update default new user information
 * userdel - delete a user account and related files
 * userfaultfd - create a file descriptor for handling page faults in user space
 * users - print the user names of users currently logged in to the current host
 * usleep - suspend execution for microsecond intervals
 * utf-8 - an ASCII compatible multibyte Unicode encoding
 * utf8 - an ASCII compatible multibyte Unicode encoding
 * utime - change file last access and modification times
 * utimensat - change file timestamps with nanosecond precision
 * utimes - change file last access and modification times
 * utmp - login records
 * utmpdump - dump UTMP and WTMP files in raw format
 * utmpname - access utmp file entries
 * utmpx - login records
 * utmpxname - access utmp file entries
 * uts_namespaces - overview of Linux UTS namespaces
 * UUID (3pm) - DCE compatible Universally Unique Identifier library for Perl
 * uuidd - UUID generation daemon
 * uuidgen - create a new UUID value
 * uuidparse - a utility to parse unique identifiers
 * uz - gunzips and extracts a gzip'd tar'd archive
 * va_end - variable argument lists
 * valloc - allocate aligned memory
 * Variable::Magic (3pm)- Associate user-defined magic to variables from Perl.
 * variables - Format of specifying variable names to SNMP tools.
 * vasprintf - print to allocated string
 * vcstime - Show time in upper right hand corner of the console screen
 * vdprintf - formatted output conversion
 * vdso - overview of the virtual ELF dynamic shared object
 * verify (8postfix) - Postfix address verification server
 * veritysetup - manage dm-verity (block level verification) volumes
 * verr - formatted error messages
 * verrx - formatted error messages
 * version (1ssl) - print OpenSSL version information
 * versionsort - scan a directory for matching entries
 * vesa - Generic VESA video driver
 * veth - Virtual Ethernet Device
 * vfork - create a child process and block parent
 * vfprintf - formatted output conversion
 * vfscanf - input format conversion
 * vfwprintf - formatted wide-character output conversion
 * vgck - Check the consistency of volume group
 * vgconvert - Change volume group metadata format
 * vgdisplay - Display volume group information
 * vgextend - Add physical volumes to a volume group
 * vgimportclone - Import a VG from cloned PVs
 * vgrename - Rename a volume group
 * vgs - Display information about volume groups
 * vgsplit - Move physical volumes into a new or existing volume group
 * vhangup - virtually hangup the current terminal
 * vidir - edit directories and filenames
 * vigr - edit the password, group, shadow-password or shadow-group file
 * vimdiff - edit two, three or four versions of a file with Vim and show diffe...
 * vimdot - Combined text editor and dot viewer
 * vipe - edit pipe
 * vipw - edit the password, group, shadow-password or shadow-group file
 * virtual - Postfix virtual alias table format
 * virtual (8postfix) - Postfix virtual domain mail delivery agent
 * vmsplice - splice user pages to/from a pipe
 * volname - return volume name
 * vpddecode - VPD structure decoder
 * vprintf - formatted output conversion
 * vscanf - input format conversion
 * vserver - unimplemented system calls
 * vsnprintf - formatted output conversion
 * vsprintf - formatted output conversion
 * vsscanf - input format conversion
 * vstp - VisioBraille file transferring
 * vswprintf - formatted wide-character output conversion
 * vsyslog - send messages to the system logger
 * vtimes - get resource usage
 * vwarn - formatted error messages
 * vwarnx - formatted error messages
 * vwprintf - formatted wide-character output conversion
 * w - Show who is logged on and what they are doing.
 * w.procps - Show who is logged on and what they are doing.
 * w3m - a text based web browser and pager
 * w3mman - an interface to the on-line reference manuals via w3m
 * waitpid - wait for process to change state
 * fork (3am) - basic process management
 * wall - write a message to all users
 * warn - formatted error messages
 * warnx - formatted error messages
 * watchgnupg - Read and print logs from a socket
 * wc - print newline, word, and byte counts for each file
 * wcpcpy - copy a wide-character string, returning a pointer to its end
 * wcpncpy - copy a fixed-size string of wide characters, returning a pointer t...
 * wcscasecmp - compare two wide-character strings, ignoring case
 * wcscat - concatenate two wide-character strings
 * wcscmp - compare two wide-character strings
 * wcslen - determine the length of a wide-character string
 * wcsncasecmp - compare two fixed-size wide-character strings, ignoring case
 * wcsncat - concatenate two wide-character strings
 * wcsncmp - compare two fixed-size wide-character strings
 * wcsnlen - determine the length of a fixed-size wide-character string
 * wcsspn - advance in a wide-character string, skipping any of a set of wide ...
 * wcsstr - locate a substring in a wide-character string
 * wcswidth - determine columns needed for a fixed-size wide-character string
 * wctrans - wide-character translation mapping
 * wcwidth - determine columns needed for a wide character
 * wget - The non-interactive network downloader.
 * whatis - display one-line manual page descriptions
 * whereis - locate the binary, source, and manual page files for a command
 * which - locate a command
 * wine - run Windows programs on Unix
 * wine-stable - run Windows programs on Unix
 * wine64 - run Windows programs on Unix
 * wine64-stable - run Windows programs on Unix
 * wineboot - perform Wine initialization, startup, and shutdown tasks
 * wineboot-stable - perform Wine initialization, startup, and shutdown tasks
 * winecfg - Wine Configuration Editor
 * winecfg-stable - Wine Configuration Editor
 * wineconsole - The Wine console
 * wineconsole-stable - The Wine console
 * winedbg - Wine debugger
 * winedbg-stable - Wine debugger
 * winefile - Wine File Manager
 * winefile-stable - Wine File Manager
 * winepath - Tool to convert Unix paths to/from Win32 paths
 * winepath-stable - Tool to convert Unix paths to/from Win32 paths
 * wineserver - the Wine server
 * wineserver-stable - the Wine server
 * winicontoppm - convert a Windows .ico file into 1 or more portable pixmap files
 * wireless - Wireless Tools and Wireless Extensions
 * wmctrl - interact with a EWMH/NetWM compatible X Window Manager.
 * wmemchr - search a wide character in a wide-character array
 * wmemcmp - compare two arrays of wide-characters
 * wmemcpy - copy an array of wide-characters
 * wmempcpy - copy memory area
 * wodim - write data to optical disk media
 * wordexp - perform word expansion like a posix-shell
 * wordfree - perform word expansion like a posix-shell
 * wordgrinder - console-based word processor
 * wpa_background - Background information on Wi-Fi Protected Access and IEEE 802.11i
 * wpa_cli - WPA command line client
 * wpa_passphrase - Generate a WPA PSK from an ASCII passphrase for a SSID
 * wpa_supplicant - Wi-Fi Protected Access client and IEEE 802.1X supplicant
 * wprintf - formatted wide-character output conversion
 * write - send a message to another user
 * wrjpgcom - insert text comments into a JPEG file
 * wtmp - login records
 * www-browser - a text based web browser and pager
 * WWW::RobotRules (3pm)- database of robots.txt-derived permissions
 * X - a portable, network-transparent window system
 * x-terminal-emulator - is a terminal emulation application.
 * X11::Auth (3pm) - Perl module to read X11 authority files
 * X11::Keysyms (3pm) - Perl module for names of X11 keysyms
 * X11::Protocol (3pm) - Perl module for the X Window System Protocol, version 11
 * X11::Protocol::Connection (3pm)- Perl module abstract base class for X11 client to serve...
 * X11::Protocol::Connection::FileHandle (3pm)- Perl module base class for FileHandle-based...
 * X11::Protocol::Connection::INETFH (3pm)- Perl module for FileHandle-based TCP/IP X11 con...
 * X11::Protocol::Connection::INETSocket (3pm)- Perl module for IO::Socket::INET-based X11 ...
 * X11::Protocol::Connection::Socket (3pm)- Perl module base class for IO::Socket-based X11...
 * X11::Protocol::Connection::UNIXFH (3pm)- Perl module for FileHandle-based Unix-domain X1...
 * X11::Protocol::Connection::UNIXSocket (3pm)- Perl module for IO::Socket::UNIX-based X11 ...
 * X11::Protocol::Ext::BIG_REQUESTS (3pm)- Perl module for the X11 protocol Big Requests ex...
 * X11::Protocol::Ext::DPMS (3pm)- Perl module for the X11 Protocol DPMS Extension
 * X11::Protocol::Ext::RENDER (3pm)- Perl module for the X Rendering Extension
 * X11::Protocol::Ext::SHAPE (3pm)- Perl module for the X11 Protocol Nonrectangular Window ...
 * X11::Protocol::Ext::XC_MISC (3pm)- Perl module for the X11 Protocol XC-MISC Extension
 * X11::Protocol::Ext::XFree86_Misc (3pm)- Perl module for the XFree86 Misc Extension
 * x11perfcomp - X11 server performance comparison program
 * X25519 (7ssl) - EVP_PKEY X25519 and X448 support
 * X448 (7ssl) - EVP_PKEY X25519 and X448 support
 * x509 (1ssl) - Certificate display and signing utility
 * x509 (7ssl) - X.509 certificate handling
 * x509v3_config (5ssl)- X509 V3 certificate extension configuration format
 * x86_64 - change reported architecture in new program environment and/or set...
 * x86_64-linux-gnu-addr2line - convert addresses into file names and line numbers
 * x86_64-linux-gnu-ar - create, modify, and extract from archives
 * x86_64-linux-gnu-c++filt - demangle C++ and Java symbols
 * x86_64-linux-gnu-elfedit - update ELF header and program property of ELF files
 * x86_64-linux-gnu-g++ - GNU project C and C++ compiler
 * x86_64-linux-gnu-g++-9 - GNU project C and C++ compiler
 * x86_64-linux-gnu-gcc - GNU project C and C++ compiler
 * x86_64-linux-gnu-gcc-9 - GNU project C and C++ compiler
 * x86_64-linux-gnu-gcc-ar - a wrapper around ar adding the--plugin option
 * x86_64-linux-gnu-gcc-ar-9 - a wrapper around ar adding the--plugin option
 * x86_64-linux-gnu-gcc-nm - a wrapper around nm adding the--plugin option
 * x86_64-linux-gnu-gcc-nm-9 - a wrapper around nm adding the--plugin option
 * x86_64-linux-gnu-gcc-ranlib - a wrapper around ranlib adding the--plugin option
 * x86_64-linux-gnu-gcc-ranlib-9 - a wrapper around ranlib adding the--plugin option
 * x86_64-linux-gnu-gcov-dump - offline gcda and gcno profile dump tool
 * x86_64-linux-gnu-gcov-dump-9 - offline gcda and gcno profile dump tool
 * x86_64-linux-gnu-gcov-tool - offline gcda profile processing tool
 * x86_64-linux-gnu-gcov-tool-9 - offline gcda profile processing tool
 * x86_64-linux-gnu-objcopy - copy and translate object files
 * x86_64-linux-gnu-objdump - display information from object files
 * x86_64-linux-gnu-python3-config - output build options for python C/C++ extensions or...
 * x86_64-linux-gnu-python3.8-config - output build options for python C/C++ extensions ...
 * x86_64-linux-gnu-ranlib - generate an index to an archive
 * x86_64-linux-gnu-readelf - display information about ELF files
 * x86_64-linux-gnu-size - list section sizes and total size of binary files
 * x86_64-linux-gnu-strip - discard symbols and other data from object files
 * xargs - build and execute command lines from standard input
 * xattr - Extended attributes
 * Xau - X authority database routines
 * XauDisposeAuth - X authority database routines
 * XauFileName - X authority database routines
 * XauGetAuthByAddr - X authority database routines
 * XauGetBestAuthByAddr - X authority database routines
 * XauLockAuth - X authority database routines
 * XauReadAuth - X authority database routines
 * XauUnlockAuth - X authority database routines
 * XauWriteAuth - X authority database routines
 * xbrlapi - X11 BrlAPI helper for Linux/Unix
 * xclip - command line interface to X selections (clipboard)
 * xclip-copyfile - copy and move files via the X clipboard
 * xclip-cutfile - copy and move files via the X clipboard
 * xclip-pastefile - copy and move files via the X clipboard
 * XCompose - X client mappings for multi-key input sequences
 * xconsole - monitor system console messages with X
 * XConsortium - X Consortium information
 * xcrypt - RFS password encryption
 * xcutsel - interchange between cut buffer and selection
 * xdecrypt - RFS password encryption
 * xdg-desktop-icon - command line tool for (un)installing icons to the desktop
 * xdg-desktop-menu - command line tool for (un)installing desktop menu items
 * xdg-email - command line tool for sending mail using the user's preferred e-ma...
 * xdg-icon-resource - command line tool for (un)installing icon resources
 * xdg-mime - command line tool for querying information about file type handlin...
 * xdg-open - opens a file or URL in the user's preferred application
 * xdg-screensaver - command line tool for controlling the screensaver
 * xdg-settings - get various settings from the desktop environment
 * xdg-user-dir - Find an XDG user dir
 * xdosemu - run DOS and DOS programs under Linux
 * xdpyinfo - display information utility for X
 * xdr - library routines for external data representation
 * xdr_accepted_reply - library routines for remote procedure calls
 * xdr_array - library routines for external data representation
 * xdr_authunix_parms - library routines for remote procedure calls
 * xdr_bool - library routines for external data representation
 * xdr_bytes - library routines for external data representation
 * xdr_callhdr - library routines for remote procedure calls
 * xdr_callmsg - library routines for remote procedure calls
 * xdr_char - library routines for external data representation
 * xdr_destroy - library routines for external data representation
 * xdr_double - library routines for external data representation
 * xdr_enum - library routines for external data representation
 * xdr_float - library routines for external data representation
 * xdr_free - library routines for external data representation
 * xdr_getpos - library routines for external data representation
 * xdr_inline - library routines for external data representation
 * xdr_int - library routines for external data representation
 * xdr_long - library routines for external data representation
 * xdr_opaque - library routines for external data representation
 * xdr_opaque_auth - library routines for remote procedure calls
 * xdr_pmap - library routines for remote procedure calls
 * xdr_pmaplist - library routines for remote procedure calls
 * xdr_pointer - library routines for external data representation
 * xdr_reference - library routines for external data representation
 * xdr_rejected_reply - library routines for remote procedure calls
 * xdr_replymsg - library routines for remote procedure calls
 * xdr_setpos - library routines for external data representation
 * xdr_short - library routines for external data representation
 * xdr_string - library routines for external data representation
 * xdr_u_char - library routines for external data representation
 * xdr_u_int - library routines for external data representation
 * xdr_u_long - library routines for external data representation
 * xdr_u_short - library routines for external data representation
 * xdr_union - library routines for external data representation
 * xdr_vector - library routines for external data representation
 * xdr_void - library routines for external data representation
 * xdr_wrapstring - library routines for external data representation
 * xdriinfo - query configuration information of DRI drivers
 * xdrmem_create - library routines for external data representation
 * xdrrec_create - library routines for external data representation
 * xdrrec_endofrecord - library routines for external data representation
 * xdrrec_eof - library routines for external data representation
 * xdrrec_skiprecord - library routines for external data representation
 * xdrstdio_create - library routines for external data representation
 * xencrypt - RFS password encryption
 * Xephyr - X server outputting to a window on a pre-existing X display
 * xfontsel - point and click selection of X11 font names
 * xfs - layout, mount options, and supported file attributes for the XFS f...
 * xfs_admin - change parameters of an XFS filesystem
 * xfs_bmap - print block mapping for an XFS file
 * xfs_estimate - estimate the space that an XFS filesystem will take
 * xfs_freeze - suspend access to an XFS filesystem
 * xfs_growfs - expand an XFS filesystem
 * xfs_info - display XFS filesystem geometry information
 * xfs_ncheck - generate pathnames from i-numbers for XFS
 * xfs_rtcp - XFS realtime copy command
 * xfs_scrub - check and repair the contents of a mounted XFS filesystem
 * xfs_scrub_all - scrub all mounted XFS filesystems
 * xfs_spaceman - show free space information about an XFS filesystem
 * xgamma - Alter a monitor's gamma correction through the X server
 * ximtoppm - convert an Xim file into a portable pixmap
 * xinit - X Window System initializer
 * xinput - utility to configure and test X input devices
 * xkbcomp - compile XKB keyboard description
 * xkbevd - XKB event daemon
 * xlogo - X Window System logo
 * xlsatoms - list interned atoms defined on server
 * xlsclients - list client applications running on a display
 * xmag - magnify parts of the screen
 * xman - Manual page display program for the X Window System
 * Xmark - summarize x11perf results
 * xmessage - display a message or query in a window (X-based /bin/echo)
 * XML::LibXML (3pm) - Perl Binding for libxml2
 * XML::LibXML::Common (3pm)- Constants and Character Encoding Routines
 * XML::LibXML::Devel (3pm)- makes functions from LibXML.xs available
 * XML::LibXML::Dtd (3pm)- XML::LibXML DTD Handling
 * XML::LibXML::Namespace (3pm)- XML::LibXML Namespace Implementation
 * XML::LibXML::Parser (3pm)- Parsing XML Data with XML::LibXML
 * XML::LibXML::PI (3pm)- XML::LibXML Processing Instructions
 * XML::LibXML::Reader (3pm)- XML::LibXML::Reader- interface to libxml2 pull parser
 * XML::LibXML::SAX (3pm)- XML::LibXML direct SAX parser
 * XML::LibXML::SAX::Generator (3pm)- Generate SAX events from a LibXML tree
 * XML::LibXML::XPathExpression (3pm)- XML::LibXML::XPathExpression- interface to libxml2 ...
 * XML::NamespaceSupport (3pm)- A simple generic namespace processor
 * XML::Parser (3pm) - A perl module for parsing XML documents
 * XML::Parser::Expat (3pm)- Lowlevel access to James Clark's expat XML parser
 * XML::SAX::PurePerl::Reader (3pm)- Abstract Reader factory class
 * XML::Parser::Style::Debug (3pm)- Debug style for XML::Parser
 * XML::Parser::Style::Objects (3pm)- Objects styler parser
 * XML::Parser::Style::Stream (3pm)- Stream style for XML::Parser
 * XML::Parser::Style::Subs (3pm)- glue for handling element callbacks
 * XML::Parser::Style::Tree (3pm)- Tree style parser
 * XML::SAX (3pm) - Simple API for XML
 * XML::SAX::Base (3pm)- Base class SAX Drivers and Filters
 * XML::SAX::DocumentLocator (3pm)- Helper class for document locators
 * XML::SAX::Expat (3pm)- SAX2 Driver for Expat (XML::Parser)
 * XML::SAX::Intro (3pm)- An Introduction to SAX Parsing with Perl
 * XML::SAX::ParserFactory (3pm)- Obtain a SAX parser
 * XML::SAX::PurePerl (3pm)- Pure Perl XML Parser with SAX2 interface
 * XML::Twig (3pm) - A perl module for processing huge XML documents in tree mode.
 * XML::Writer (3pm) - Perl extension for writing XML documents.
 * XML::XPathEngine (3pm)- a re-usable XPath engine for DOM-like trees
 * XML::XPathEngine::Boolean (3pm)- Boolean true/false values
 * XML::XPathEngine::Literal (3pm)- Simple string values.
 * XML::XPathEngine::NodeSet (3pm)- a list of XML document nodes
 * XML::XPathEngine::Number (3pm)- Simple numeric values.
 * xmodmap - utility for modifying keymaps and pointer button mappings in X
 * xmore - plain text display program for the X Window System
 * XOrgFoundation - X.Org Foundation information
 * xpmtoppm - convert an X11 pixmap into a portable pixmap
 * XProjectTeam - X.Org Group information
 * xprt_register - library routines for remote procedure calls
 * xprt_unregister - library routines for remote procedure calls
 * xrandr - primitive command line interface to RandR extension
 * xrefresh - refresh all or part of an X screen
 * Xserver - X Window System display server
 * Xsession.options - configuration options for Xsession
 * xsetroot - root window parameter setting utility for X
 * xsetwacom - commandline utility to query and modify wacom driver settings.
 * XStandards - X Window System Standards and Specifications
 * xstdcmap - X standard colormap utility
 * xsubpp - compiler to convert Perl XS code into C code
 * xtables-compat - compat tools to migrate from iptables to nftables
 * xtables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * xtables-legacy-multi - iptables using old getsockopt/setsockopt-based kernel api
 * xtables-monitor - show changes to rule set and trace-events
 * xtables-multi - xtables multi-link binary for netfilter's iptables and ip6tables
 * xtables-nft - iptables using nftables kernel api
 * xtables-nft-multi - iptables using nftables kernel api
 * xtables-translate - translation tool to migrate from iptables to nftables
 * XtAddCallback - add and remove callback procedures
 * XtAddCallbacks - add and remove callback procedures
 * XtAddEventHandler - add and remove event handlers
 * XtAddInput - register input, timeout, and workprocs
 * XtAddRawEventHandler - add and remove event handlers
 * XtAddTimeOut - register input, timeout, and workprocs
 * XtAddWorkProc - register input, timeout, and workprocs
 * XtAllocateGC - obtain a sharable GC with modifiable fields
 * XtAppAddInput - register and remove an input source
 * XtAppAddSignal - register and remove a signal source
 * XtAppAddTimeOut - register and remove timeouts
 * XtAppAddWorkProc - Add and remove background processing procedures
 * XtAppError - low-level error handlers
 * XtAppErrorMsg - high-level error handlers
 * XtAppGetSelectionTimeout - set and obtain selection timeout values
 * XtAppInitialize - initialize, open, or close a display
 * XtAppLock - lock and unlock application context
 * XtAppMainLoop - query and process events and input
 * XtAppNextEvent - query and process events and input
 * XtAppPeekEvent - query and process events and input
 * XtAppPending - query and process events and input
 * XtAppProcessEvent - query and process events and input
 * XtAppSetErrorHandler - low-level error handlers
 * XtAppSetErrorMsgHandler - high-level error handlers
 * XtAppSetSelectionTimeout - set and obtain selection timeout values
 * XtAppSetTypeConverter - register resource converter
 * XtAppSetWarningHandler - low-level error handlers
 * XtAppSetWarningMsgHandler - high-level error handlers
 * XtAppUnlock - lock and unlock application context
 * XtAppWarning - low-level error handlers
 * XtAppWarningMsg - high-level error handlers
 * XtCallbackNone - map a pop-up
 * XtCallbackNonexclusive - map a pop-up
 * XtCallbackPopdown - unmap a pop-up
 * XtCancelSelectionRequest - bundle multiple selection conversion requests into a singl...
 * XtChangeManagedSet - manage and unmanage children
 * XtCheckSubclass - obtain and verify a widget's class
 * XtClass - obtain and verify a widget's class
 * XtCloseDisplay - initialize, open, or close a display
 * XtConfigureWidget - move and resize widgets
 * XtConvertAndStore - invoke resource converters
 * XtCreateApplicationContext - create, destroy, and obtain an application context
 * XtCreateManagedWidget - create and destroy widgets
 * XtCreateSelectionRequest - bundle multiple selection conversion requests into a singl...
 * XtCreateWidget - create and destroy widgets
 * XtCreateWindow - window creation convenience function
 * XtDatabase - initialize, open, or close a display
 * XtDestroyApplicationContext - create, destroy, and obtain an application context
 * XtDestroyWidget - create and destroy widgets
 * XtDisownSelection - set selection owner
 * XtDispatchEvent - query and process events and input
 * XtDispatchEventToWidget - extension event handling
 * XtDisplay - obtain window information about a widget
 * XtDisplayInitialize - initialize, open, or close a display
 * XtDisplayOfObject - obtain window information about a widget
 * XtDisplayStringConversionWarning - issue a conversion warning message
 * XtDisplayToApplicationContext - obtain an application context
 * XtError - low-level error handlers
 * XtErrorMsg - high-level error handlers
 * XtFindFile - search for a file using substitutions in the path list
 * XtGetActionKeysym - obtain corresponding keysym
 * XtGetApplicationNameAndClass - retrieve application name and class
 * XtGetClassExtension - locate a class extension record
 * XtGetGC - obtain and destroy a sharable GC
 * XtGetKeyboardFocusWidget - extension event handling
 * XtGetKeysymTable - query keysyms and keycodes
 * XtGetMultiClickTime - set and get multi-click times
 * XtGetSelectionParameters - retrieve target parameters for a selection request with a ...
 * XtGetSelectionTimeout - set and obtain selection timeout values
 * XtGetSubvalues - obtain and set widget resources
 * XtGetValues - obtain and set widget resources
 * XtInsertEventHandler - add and remove event handlers
 * XtInsertEventTypeHandler - extension event handling
 * XtInsertRawEventHandler - add and remove event handlers
 * XtIsApplicationShell - obtain and verify a widget's class
 * XtIsComposite - obtain and verify a widget's class
 * XtIsConstraint - obtain and verify a widget's class
 * XtIsManaged - manage and unmanage children
 * XtIsObject - obtain and verify a widget's class
 * XtIsOverrideShell - obtain and verify a widget's class
 * XtIsRealized - realize and unrealize widgets
 * XtIsRectObj - obtain and verify a widget's class
 * XtIsSensitive - set and check a widget's sensitivity state
 * XtIsSessionShell - obtain and verify a widget's class
 * XtIsShell - obtain and verify a widget's class
 * XtIsSubclass - obtain and verify a widget's class
 * XtIsTopLevelShell - obtain and verify a widget's class
 * XtIsTransientShell - obtain and verify a widget's class
 * XtIsVendorShell - obtain and verify a widget's class
 * XtIsWidget - obtain and verify a widget's class
 * XtIsWMShell - obtain and verify a widget's class
 * XtKeysymToKeycodeList - query keysyms and keycodes
 * XtLastEventProcessed - last event, last timestamp processed
 * XtLastTimestampProcessed - last event, last timestamp processed
 * XtMainLoop - query and process events and input
 * XtMakeGeometryRequest - make geometry manager request
 * XtMakeResizeRequest - make geometry manager request
 * XtManageChild - manage and unmanage children
 * XtManageChildren - manage and unmanage children
 * XtMapWidget - map and unmap widgets
 * XtMergeArgLists - set and merge ArgLists
 * XtMoveWidget - move and resize widgets
 * XtName - obtain widget's name
 * XtNameToWidget - translating strings to widgets or widgets to windows
 * XtNew - memory management functions
 * XtNewString - memory management functions
 * XtNextEvent - query and process events and input
 * XtNoticeSignal - register and remove a signal source
 * XtNumber - determine the byte offset or number of array elements
 * XtOffset - determine the byte offset or number of array elements
 * XtOffsetOf - determine the byte offset or number of array elements
 * XtOpenApplication - initialize, open, or close a display
 * XtOpenDisplay - initialize, open, or close a display
 * XtOwnSelection - set selection owner
 * XtOwnSelectionIncremental - set selection owner
 * XtParent - obtain widget's parent widget id
 * XtParseAcceleratorTable - managing accelerator tables
 * XtParseTranslationTable - manage translation tables
 * XtPeekEvent - query and process events and input
 * XtPending - query and process events and input
 * XtPopdown - unmap a pop-up
 * XtProcessEvent - query and process events and input
 * XtProcessLock - lock and unlock process
 * XtProcessUnlock - lock and unlock process
 * XtRealizeWidget - realize and unrealize widgets
 * XtRegisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtRegisterExtensionSelector - extension event handling
 * XtRegisterGrabAction - register button and key grabs
 * XtReleaseGC - obtain and destroy a sharable GC
 * XtRemoveAllCallbacks - add and remove callback procedures
 * XtRemoveCallback - add and remove callback procedures
 * XtRemoveCallbacks - add and remove callback procedures
 * XtRemoveEventHandler - add and remove event handlers
 * XtRemoveEventTypeHandler - extension event handling
 * XtRemoveInput - register and remove an input source
 * XtRemoveRawEventHandler - add and remove event handlers
 * XtRemoveSignal - register and remove a signal source
 * XtRemoveTimeOut - register and remove timeouts
 * XtRemoveWorkProc - Add and remove background processing procedures
 * XtResizeWidget - move and resize widgets
 * XtResolvePathname - search for a file using standard substitution
 * XtScreen - obtain window information about a widget
 * XtScreenDatabase - initialize, open, or close a display
 * XtScreenOfObject - obtain window information about a widget
 * XtSendSelectionRequest - bundle multiple selection conversion requests into a single ...
 * XtSetArg - set and merge ArgLists
 * XtSetErrorHandler - low-level error handlers
 * XtSetErrorMsgHandler - high-level error handlers
 * XtSetEventDispatcher - extension event handling
 * XtSetMappedWhenManaged - map and unmap widgets
 * XtSetMultiClickTime - set and get multi-click times
 * XtSetSelectionParameters - specify target parameters for a selection request with a s...
 * XtSetSelectionTimeout - set and obtain selection timeout values
 * XtSetSensitive - set and check a widget's sensitivity state
 * XtSetSubvalues - obtain and set widget resources
 * XtSetTypeConverter - register resource converter
 * XtSetValues - obtain and set widget resources
 * XtSetWarningHandler - low-level error handlers
 * XtSetWarningMsgHandler - high-level error handlers
 * XtSetWMColormapWindows - Set the value of the WM_COLORMAP_WINDOWS property
 * XtStringConversionWarning - issue a conversion warning message
 * XtSuperclass - obtain and verify a widget's class
 * XtToolkitInitialize - create, destroy, and obtain an application context
 * XtUnmanageChild - manage and unmanage children
 * XtUnmanageChildren - manage and unmanage children
 * XtUnmapWidget - map and unmap widgets
 * XtUnrealizeWidget - realize and unrealize widgets
 * XtUnregisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtVaAppInitialize - initialize, open, or close a display
 * XtVaCreateArgsList - dynamically allocate a varargs list
 * XtVaCreateManagedWidget - create and destroy widgets
 * XtVaCreateWidget - create and destroy widgets
 * XtVaGetSubvalues - obtain and set widget resources
 * XtVaGetValues - obtain and set widget resources
 * XtVaOpenApplication - initialize, open, or close a display
 * XtVaSetSubvalues - obtain and set widget resources
 * XtVaSetValues - obtain and set widget resources
 * XtWarning - low-level error handlers
 * XtWarningMsg - high-level error handlers
 * XtWidgetToApplicationContext - create, destroy, and obtain an application context
 * XtWindow - obtain window information about a widget
 * XtWindowOfObject - obtain window information about a widget
 * XtWindowToWidget - translating strings to widgets or widgets to windows
 * xvidtune - video mode tuner for Xorg
 * xvinfo - Print out X-Video extension adaptor information
 * xvminitoppm - convert a XV "thumbnail" picture to PPM
 * xwd - dump an image of an X window
 * xwdtopnm - convert a X11 or X10 window dump file into a portable anymap
 * xwininfo - window information utility for X
 * xxd - make a hexdump or do the reverse.
 * xz - Compress or decompress .xz and .lzma files
 * xzcat - Compress or decompress .xz and .lzma files
 * xzcmp - compare compressed files
 * xzdiff - compare compressed files
 * xzless - view xz or lzma compressed (text) files
 * xzmore - view xz or lzma compressed (text) files
 * y0 - Bessel functions of the second kind
 * y0f - Bessel functions of the second kind
 * y0l - Bessel functions of the second kind
 * y1 - Bessel functions of the second kind
 * y1f - Bessel functions of the second kind
 * y1l - Bessel functions of the second kind
 * yacc - GNU Project parser generator
 * YAML::LibYAML (3pm) - Perl YAML Serialization using XS and libyaml
 * YAML::XS (3pm) - Perl YAML Serialization using XS and libyaml
 * ybmtopbm - convert a Bennet Yee "face" file into a portable bitmap
 * yn - Bessel functions of the second kind
 * ynf - Bessel functions of the second kind
 * ynl - Bessel functions of the second kind
 * youtube-dl - download videos from youtube.com or other video platforms
 * ypdomainname - show or set the system's NIS/YP domain name
 * yuvsplittoppm - convert a Y- and a U- and a V-file into a portable pixmap
 * yuvtoppm - convert Abekas YUV bytes into a portable pixmap
 * zcat - compress or expand files
 * zcmp - compare compressed files
 * zdiff - compare compressed files
 * zdump - timezone dumper
 * zic - timezone compiler
 * zip - package and compress (archive) files
 * zipgrep - search files in a ZIP archive for lines matching a pattern
 * zipinfo - list detailed information about a ZIP archive
 * zipnote - write the comments in zipfile to stdout, edit comments and rename ...
 * znew - recompress .Z files to .gz files
 * zramctl - set up and control zram devices
 * zrun - automatically uncompress arguments to command
 * Future (3pm) - represent an operation awaiting completion
 * Future::AsyncAwait (3pm)- deferred subroutine syntax for futures
 * Future::AsyncAwait::Awaitable (3pm)- the interface required by "Future::AsyncAwait"
 * Future::Exception (3pm)- an exception type for failed Futures
 * Future::IO::Impl::IOAsync (3pm)- implement "Future::IO" using "IO::Async"
 * Future::Mutex (3pm) - mutual exclusion lock around code that returns Futures
 * Future::Phrasebook (3pm)- coding examples for "Future" and "Future::Utils"
 * Future::Queue (3pm) - a FIFO queue of values that uses Futures
 * Future::Utils (3pm) - utility functions for working with "Future" objects
 * IO::Async::FileStream (3pm)- read the tail of a file
 * IO::Async::Future (3pm)- use Future with IO::Async
 * IO::Async::Protocol::LineStream (3pm)- stream-based protocols using lines of text
 * IO::Async::Protocol::Stream (3pm)- base class for stream-based protocols
 * IO::Async::Resolver (3pm)- performing name resolutions asynchronously
 * IO::Async::Stream (3pm)- event callbacks and write bufering for a stream filehandle
 * IO::Async::Timer::Periodic (3pm)- event callback at regular intervals
 * Test::Future (3pm) - unit test assertions for Future instances
 * Test::Future::AsyncAwait::Awaitable (3pm)- conformance tests for awaitable role API
 * Test::Future::Deferred (3pm)- a future which completes later
 * ldap.conf - LDAP configuration file/environment variables
 * 2to3-2.7 - Python2 to Python3 converter
 * 30-systemd-environment-d-generator - Load variables specified by environment.d
 * 7z - A file archiver with high compression ratio format
 * 7za - A file archiver with high compression ratio format
 * 7zr - A file archiver with high compression ratio format
 * bpf-helpers - list of eBPF helper functions
 * Clone (3pm) - recursively copy Perl datatypes
 * Dpkg (3perl) - module with core variables
 * Error (3pm) - Error/exception handling in an OO-ish way
 * Git (3pm) - Perl interface to the Git version control system
 * irssi - a modular IRC client for UNIX
 * MAKEDEV - create devices
 * Mail - send and receive mail
 * RAND (7ssl) - the OpenSSL random generator
 * URI (3pm) - Uniform Resource Identifiers (absolute and relative)
 * xreader - A Document Viewer
 * [ - check file types and compare values
 * __after_morecore_hook - malloc debugging variables
 * __clone2 - create a child process
 * __fbufsize - interfaces to stdio FILE structure
 * __flbf - interfaces to stdio FILE structure
 * __fpending - interfaces to stdio FILE structure
 * __fpurge - purge a stream
 * __freadable - interfaces to stdio FILE structure
 * __freading - interfaces to stdio FILE structure
 * __free_hook - malloc debugging variables
 * __fsetlocking - interfaces to stdio FILE structure
 * __fwritable - interfaces to stdio FILE structure
 * __fwriting - interfaces to stdio FILE structure
 * __malloc_hook - malloc debugging variables
 * __malloc_initialize_hook - malloc debugging variables
 * __memalign_hook - malloc debugging variables
 * __ppc_get_timebase - get the current value of the Time Base Register on Power archite...
 * __ppc_get_timebase_freq - get the current value of the Time Base Register on Power ar...
 * __ppc_mdoio - Hint the processor to release shared resources
 * __ppc_mdoom - Hint the processor to release shared resources
 * __ppc_set_ppr_low - Set the Program Priority Register
 * __ppc_set_ppr_med - Set the Program Priority Register
 * __ppc_set_ppr_med_high - Set the Program Priority Register
 * __ppc_set_ppr_med_low - Set the Program Priority Register
 * __ppc_set_ppr_very_low - Set the Program Priority Register
 * __ppc_yield - Hint the processor to release shared resources
 * __realloc_hook - malloc debugging variables
 * __setfpucw - set FPU control word on i386 architecture (obsolete)
 * _flushlbf - interfaces to stdio FILE structure
 * _llseek - reposition read/write file offset
 * _syscall - invoking a system call without library support (OBSOLETE)
 * _sysctl - read/write system parameters
 * a2query - retrieve runtime configuration from a local Apache 2 HTTP server
 * aa-exec - confine a program with the specified AppArmor profile
 * aa-remove-unknown - remove unknown AppArmor profiles
 * aa-status - display various information about the current AppArmor policy.
 * aa-teardown - unload all AppArmor profiles
 * abcde - Grab an entire CD and compress it to Ogg/Vorbis, MP3, FLAC, Ogg/Sp...
 * ac - print statistics about users' connect time
 * accessdb - dumps the content of a man-db database in a human readable format
 * acos - arc cosine function
 * acosf - arc cosine function
 * acosh - inverse hyperbolic cosine function
 * acoshf - inverse hyperbolic cosine function
 * acoshl - inverse hyperbolic cosine function
 * acosl - arc cosine function
 * acyclic - make directed graph acyclic
 * add-apt-key - Command line tool to add GPG keys to the APT keyring
 * add-apt-repository - Adds a repository into the /etc/apt/sources.list or /etc/apt/sou...
 * addgnupghome - Create .gnupg home directories
 * addmntent - get filesystem descriptor file entry
 * addr2line - convert addresses into file names and line numbers
 * address_families - socket address families (domains)
 * addseverity - introduce new severity classes
 * adjtime - correct the time to synchronize the system clock
 * adjtime_config - information about hardware clock setting and drift factor
 * aio_cancel - cancel an outstanding asynchronous I/O request
 * aio_error - get error status of asynchronous I/O operation
 * aio_read - asynchronous read
 * aio_return - get return status of asynchronous I/O operation
 * aio_write - asynchronous write
 * Alien::Package (3pm)- an object that represents a package
 * Alien::Package::Deb (3pm)- an object that represents a deb package
 * Alien::Package::Lsb (3pm)- an object that represents a lsb package
 * Alien::Package::Pkg (3pm)- an object that represents a Solaris pkg package
 * Alien::Package::Rpm (3pm)- an object that represents a rpm package
 * Alien::Package::Slp (3pm)- an object that represents a slp package
 * Alien::Package::Tgz (3pm)- an object that represents a tgz package
 * alloc_hugepages - allocate or free huge pages
 * alloca - allocate memory that is automatically freed
 * alphasort - scan a directory for matching entries
 * alsabat - command-line sound tester for ALSA sound card driver
 * alsactl - advanced controls for ALSA soundcard driver
 * alsamixer - soundcard mixer for ALSA soundcard driver, with ncurses interface
 * amdgpu - AMD RADEON GPU video driver
 * american-english - a list of English words
 * amidi - read from and write to ALSA RawMIDI ports
 * amixer - command-line mixer for ALSA soundcard driver
 * anacron - runs commands periodically
 * anvil (8postfix) - Postfix session count and request rate control
 * apg - generates several random passwords
 * aplay - command-line sound recorder and player for ALSA soundcard driver
 * apparmor - kernel enhancement to confine programs to a limited set of resources.
 * apparmor.d - syntax of security profiles for AppArmor.
 * apparmor.vim - vim syntax highlighting file for AppArmor profiles
 * apparmor_parser - loads AppArmor profiles into the kernel
 * apparmor_status - display various information about the current AppArmor policy.
 * applygnupgdefaults - Run gpgconf--apply-defaults for all users.
 * appres - list X application resource database
 * appstreamcli - Handle AppStream metadata formats and query AppStream data
 * apropos - search the manual page names and descriptions
 * apt-add-repository - Adds a repository into the /etc/apt/sources.list or /etc/apt/sou...
 * apt-ftparchive - Utility to generate index files
 * apt-mark - show, set and unset various settings for a package
 * apt-patterns - Syntax and semantics of apt search patterns
 * apt-secure - Archive authentication support for APT
 * apt-transport-https - APT transport for downloading via the HTTP Secure protocol (HTTPS)
 * apt-transport-mirror - APT transport for more automated mirror selection
 * apt_auth.conf - Login configuration file for APT sources and proxies
 * apt_preferences - Preference control file for APT
 * aptitude-create-state-bundle - bundle the current aptitude state
 * aptitude-curses - high-level interface to the package manager
 * AptPkg::PkgRecords (3pm)- APT package description class
 * AptPkg::Policy (3pm)- APT package version policy class
 * AptPkg::Source (3pm)- APT source package interface
 * AptPkg::Version (3pm)- APT package versioning class
 * apturl - graphical apt-protocol interpreting package installer
 * apturl-gtk - graphical apt-protocol interpreting package installer
 * ar - create, modify, and extract from archives
 * arch - print machine hardware name (same as uname-m)
 * arch_prctl - set architecture-specific thread state
 * archdetect - detect hardware architecture
 * Archive::Cpio (3pm) - module for manipulations of cpio archives
 * Archive::Zip (3pm) - Provide an interface to ZIP archive files.
 * Archive::Zip::FAQ (3pm)- Answers to a few frequently asked questions about Archive::Zip
 * Archive::Zip::MemberRead (3pm)- A wrapper that lets you read Zip archive members as if t...
 * Archive::Zip::Tree (3pm)- (DEPRECATED) methods for adding/extracting trees using Archive...
 * arecord - command-line sound recorder and player for ALSA soundcard driver
 * arecordmidi - record Standard MIDI Files
 * argz_create - functions to handle an argz list
 * argz_create_sep - functions to handle an argz list
 * argz_replace - functions to handle an argz list
 * argz_stringify - functions to handle an argz list
 * arm2hpdl - Add HP download header/trailer to an ARM ELF binary.
 * arm_fadvise - predeclare an access pattern for file data
 * arm_fadvise64_64 - predeclare an access pattern for file data
 * arpd - userspace arp daemon.
 * arping - send ARP REQUEST to a neighbour host
 * arptables-nft-restore - Restore ARP Tables (nft-based)
 * asciitopgm - convert ASCII graphics into a portable graymap
 * aseqdump - show the events received at an ALSA sequencer port
 * aseqnet - ALSA sequencer connectors over network
 * asin - arc sine function
 * asinf - arc sine function
 * asinh - inverse hyperbolic sine function
 * asinhf - inverse hyperbolic sine function
 * asinhl - inverse hyperbolic sine function
 * asinl - arc sine function
 * asn1parse (1ssl) - ASN.1 parsing tool
 * aspell-import - import old personal dictionaries into GNU Aspell
 * asprintf - print to allocated string
 * assert_perror - test errnum and abort
 * asymmetric-key - Kernel key type for holding asymmetric keys
 * atan - arc tangent function
 * atan2 - arc tangent function of two variables
 * atan2f - arc tangent function of two variables
 * atan2l - arc tangent function of two variables
 * atanf - arc tangent function
 * atanh - inverse hyperbolic tangent function
 * atanhf - inverse hyperbolic tangent function
 * atanhl - inverse hyperbolic tangent function
 * atanl - arc tangent function
 * atexit - register a function to be called at normal process termination
 * ati - ATI video driver
 * atktopbm - convert Andrew Toolkit raster object to portable bitmap
 * atof - convert a string to a double
 * atoi - convert a string to an integer
 * atol - convert a string to an integer
 * atoll - convert a string to an integer
 * atoq - convert a string to an integer
 * attr - extended attributes on filesystem objects
 * attr - Extended attributes
 * attributes - POSIX safety concepts
 * auth_destroy - library routines for remote procedure calls
 * authnone_create - library routines for remote procedure calls
 * authunix_create - library routines for remote procedure calls
 * authunix_create_default - library routines for remote procedure calls
 * autoconf - Generate configuration scripts
 * autoheader - Create a template header for configure
 * autom4te - Generate files and scripts thanks to M4
 * autopoint - copies standard gettext infrastructure
 * autoreconf - Update generated configuration files
 * autoscan - Generate a preliminary configure.in
 * autoupdate - Update a configure.in to a newer Autoconf
 * avahi-autoipd - IPv4LL network address configuration daemon
 * avahi-autoipd.action - avahi-autoipd action script
 * avahi-publish - Register an mDNS/DNS-SD service or host name or address mapping us...
 * avahi-publish-address - Register an mDNS/DNS-SD service or host name or address mappi...
 * avahi-publish-service - Register an mDNS/DNS-SD service or host name or address mappi...
 * avahi-resolve - Resolve one or more mDNS/DNS host name to IP address(es) (and v...
 * avahi-resolve-address - Resolve one or more mDNS/DNS host name to IP address(es) (...
 * avahi-resolve-host-name - Resolve one or more mDNS/DNS host name to IP address(es)...
 * axfer - command-line sound recorder and player for sound devices and nodes...
 * axfer-transfer - transferrer of audio data frame for sound devices and nodes.
 * badblocks - search a device for bad blocks
 * base32 - base32 encode/decode data and print to standard output
 * base64 - base64 encode/decode data and print to standard output
 * basename - strip directory and suffix from filenames
 * basename - parse pathname components
 * bashbug - report a bug in bash
 * bc - An arbitrary precision calculator language
 * bcmp - compare byte sequences
 * bdftopcf - convert X font from Bitmap Distribution Format to Portable Compile...
 * bindresvport - bind a socket to a privileged IP port
 * bindtextdomain - set directory containing message catalogs
 * binfmt.d - Configure additional binary formats for executables at boot
 * bioradtopgm - convert a Biorad confocal file into a portable graymap
 * bison - GNU Project parser generator (yacc replacement)
 * bison.yacc - GNU Project parser generator
 * blkdiscard - discard sectors on a device
 * blkid - locate/print block device attributes
 * bluetooth-sendto - GTK application for transferring files over Bluetooth
 * boot - System bootup process based on UNIX System V Release 4
 * bootctl - Control the firmware and boot manager settings
 * bootparam - introduction to boot time parameters of the Linux kernel
 * botti - Run an irssi module, such as a bot, without a UI
 * bounce (8postfix) - Postfix delivery status reports
 * break - unimplemented system calls
 * bridge - show / manipulate bridge addresses and devices
 * british-english - a list of English words
 * brltty - refreshable braille display driver for Linux/Unix
 * bsd-from - print names of those who have sent mail
 * bsd-mailx - send and receive mail
 * bsd-write - send a message to another user
 * bsearch - binary search of a sorted array
 * bstring - byte string operations
 * bswap - reverse order of bytes
 * bswap_16 - reverse order of bytes
 * bswap_32 - reverse order of bytes
 * bswap_64 - reverse order of bytes
 * btattach - attach serial devices to BlueZ stack
 * btree - btree database access method
 * btrfs - topics about the BTRFS filesystem (mount options, supported file a...
 * btrfs-check - check or repair a btrfs filesystem
 * btrfs-convert - convert from ext2/3/4 or reiserfs filesystem to btrfs in-place
 * btrfs-filesystem - command group that primarily does work on the whole filesystems
 * btrfs-image - create/restore an image of the filesystem
 * btrfs-inspect-internal - query various internal information
 * btrfs-qgroup - control the quota group of a btrfs filesystem
 * btrfs-quota - control the global quota status of a btrfs filesystem
 * btrfs-receive - receive subvolumes from send stream
 * btrfs-replace - replace devices managed by btrfs with other device.
 * btrfs-rescue - Recover a damaged btrfs filesystem
 * btrfs-restore - try to restore files from a damaged btrfs filesystem image
 * btrfs-scrub - scrub btrfs filesystem, verify block checksums
 * btrfs-select-super - overwrite primary superblock with a backup copy
 * btrfs-send - generate a stream of changes between two subvolume snapshots
 * btrfsck - check or repair a btrfs filesystem
 * btrfstune - tune various filesystem parameters
 * bunzip2 - a block-sorting file compressor, v1.0.8
 * bwbasic - Bywater BASIC interpreter/shell
 * bzcat - decompresses files to stdout
 * bzcmp - compare bzip2 compressed files
 * bzdiff - compare bzip2 compressed files
 * bzegrep - search possibly bzip2 compressed files for a regular expression
 * bzero - zero a byte string
 * bzexe - compress executable files in place
 * bzfgrep - search possibly bzip2 compressed files for a regular expression
 * bzgrep - search possibly bzip2 compressed files for a regular expression
 * bzip2 - a block-sorting file compressor, v1.0.8
 * bzip2recover - recovers data from damaged bzip2 files
 * bzless - file perusal filter for crt viewing of bzip2 compressed text
 * bzmore - file perusal filter for crt viewing of bzip2 compressed text
 * c_rehash (1ssl) - Create symbolic links to files named by the hash values
 * CA.pl (1ssl) - friendlier interface for OpenSSL certificate programs
 * cabextract - program to extract files from Microsoft cabinet (.cab) archives
 * cacafire - libcaca's demonstration applications
 * cacos - complex arc cosine
 * cacosf - complex arc cosine
 * cacosh - complex arc hyperbolic cosine
 * cacoshf - complex arc hyperbolic cosine
 * cacoshl - complex arc hyperbolic cosine
 * cacosl - complex arc cosine
 * Cairo (3pm) - Perl interface to the cairo 2d vector graphics library
 * calcurse - terminal-based organizer for interactive and command line use
 * calendar - reminder service
 * calibre - calibre
 * calibre-customize - calibre-customize
 * calibre-debug - calibre-debug
 * calibre-server - calibre-server
 * calibre-smtp - calibre-smtp
 * calibredb - calibredb
 * calloc - allocate and free dynamic memory
 * callrpc - library routines for remote procedure calls
 * canberra-gtk-play - play a sound event
 * canonicalize_file_name - return the canonicalized absolute pathname
 * capget - set/get capabilities of thread
 * capset - set/get capabilities of thread
 * captoinfo - convert a termcap description into a terminfo description
 * Capture::Tiny (3pm) - Capture STDOUT and STDERR from Perl, XS or external programs
 * casin - complex arc sine
 * casinf - complex arc sine
 * casinh - complex arc sine hyperbolic
 * casinhf - complex arc sine hyperbolic
 * casinhl - complex arc sine hyperbolic
 * casinl - complex arc sine
 * casper-snapshot - a simple script to ease persistence usage.
 * cat - concatenate files and print on the standard output
 * catan - complex arc tangents
 * catanf - complex arc tangents
 * catanh - complex arc tangents hyperbolic
 * catanhf - complex arc tangents hyperbolic
 * catanhl - complex arc tangents hyperbolic
 * catanl - complex arc tangents
 * catman - create or update the pre-formatted manual pages
 * cciss - HP Smart Array block driver
 * cd-create-profile - Color Manager Profile Creation Tool
 * cd-discid - read CD and get CDDB discid information
 * cd-fix-profile - Color Manager Testing Tool
 * cdparanoia - an audio CD reading utility which includes extra data verification...
 * cdrecord - write data to optical disk media
 * cdw - front-end for cdrecord, mkisofs, growisofs, mkudffs and other tools
 * celluloid - A simple GTK+ frontend for mpv
 * cfgetispeed - get and set terminal attributes, line control, get and set baud rate
 * cfgetospeed - get and set terminal attributes, line control, get and set baud rate
 * cfmakeraw - get and set terminal attributes, line control, get and set baud rate
 * cfree - free allocated memory
 * cfsetispeed - get and set terminal attributes, line control, get and set baud rate
 * cfsetospeed - get and set terminal attributes, line control, get and set baud rate
 * cfsetspeed - get and set terminal attributes, line control, get and set baud rate
 * cgdisk - Curses-based GUID partition table (GPT) manipulator
 * CGI (3pm) - Handle Common Gateway Interface requests and responses
 * CGI::Carp (3pm) - CGI routines for writing to the HTTPD (or other) error log
 * CGI::Pretty (3pm) - module to produce nicely formatted HTML code
 * chacl - change the access control list of a file or directory
 * chardet3 - universal character encoding detector
 * chardetect3 - universal character encoding detector
 * charmap - character set description file
 * charsets - character set standards and internationalization
 * chat - Automated conversational script with a modem
 * chattr - change file attributes on a Linux file system
 * chcon - change file security context
 * chcpu - configure CPUs
 * chdir - change working directory
 * check_forensic - tool to extract mod_log_forensic output from apache log files
 * chfn - change real user name and information
 * chgrp - change group ownership
 * chmem - configure memory
 * choom - display and adjust OOM-killer score.
 * chown - change ownership of a file
 * chown32 - change ownership of a file
 * chroot - change root directory
 * chroot - run command or interactive shell with special root directory
 * chrt - manipulate the real-time attributes of a process
 * chvt - change foreground virtual terminal
 * cifs.idmap - Userspace helper for mapping ids for Common Internet File System (...
 * cifs.upcall - Userspace upcall helper for Common Internet File System (CIFS)
 * cifscreds - manage NTLM credentials in kernel keyring
 * cinnamon-launcher - Start or restart a cinnamon session
 * cinnamon-session-quit - End the current GNOME session
 * ciphers (1ssl) - SSL cipher display and cipher list tool
 * ciptool - Bluetooth Common ISDN Access Profile (CIP)
 * CIRCLEQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail que...
 * CIRCLEQ_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail qu...
 * CIRCLEQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queu...
 * CIRCLEQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queu...
 * CIRCLEQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * circo - filter for circular layout of graphs
 * cjpeg - compress an image file to a JPEG file
 * ckbcomp - compile a XKB keyboard description to a keymap suitable for loadke...
 * Class::Accessor::Fast (3pm)- Faster, but less expandable, accessors
 * Class::Accessor::Faster (3pm)- Even faster, but less expandable, accessors
 * Class::Method::Modifiers (3pm)- Provides Moose-like method modifiers
 * Class::XSAccessor (3pm)- Generate fast XS accessors without runtime compilation
 * Class::XSAccessor::Array (3pm)- Generate fast XS accessors without runtime compilation
 * Class::XSAccessor::Heavy (3pm)- Guts you don't care about
 * clear - clear the terminal screen
 * clearenv - clear the environment
 * clearerr - check and reset stream status
 * clearerr_unlocked - nonlocking stdio functions
 * client.conf - client configuration file for cups (deprecated on macos)
 * clnt_broadcast - library routines for remote procedure calls
 * clnt_call - library routines for remote procedure calls
 * clnt_control - library routines for remote procedure calls
 * clnt_create - library routines for remote procedure calls
 * clnt_destroy - library routines for remote procedure calls
 * clnt_freeres - library routines for remote procedure calls
 * clnt_geterr - library routines for remote procedure calls
 * clnt_pcreateerror - library routines for remote procedure calls
 * clnt_perrno - library routines for remote procedure calls
 * clnt_perror - library routines for remote procedure calls
 * clnt_spcreateerror - library routines for remote procedure calls
 * clnt_sperrno - library routines for remote procedure calls
 * clnt_sperror - library routines for remote procedure calls
 * clntraw_create - library routines for remote procedure calls
 * clnttcp_create - library routines for remote procedure calls
 * clntudp_bufcreate - library routines for remote procedure calls
 * clntudp_create - library routines for remote procedure calls
 * clock_getres - clock and time functions
 * clock_getres - clock and time functions
 * clock_nanosleep - high-resolution sleep with specifiable clock
 * clog - natural logarithm of a complex number
 * clog10 - base-10 logarithm of a complex number
 * clog10f - base-10 logarithm of a complex number
 * clog10l - base-10 logarithm of a complex number
 * clog2 - base-2 logarithm of a complex number
 * clog2f - base-2 logarithm of a complex number
 * clog2l - base-2 logarithm of a complex number
 * clogf - natural logarithm of a complex number
 * clogl - natural logarithm of a complex number
 * clone - create a child process
 * clone2 - create a child process
 * clone3 - create a child process
 * close - close a file descriptor
 * closedir - close a directory
 * cluster - find clusters in a graph and augment the graph with this information.
 * CMSG_FIRSTHDR - access ancillary data
 * cmus-remote - control cmus
 * cmus-tutorial - C* Music Player tutorial
 * col - filter reverse line feeds from input
 * colcrt - filter nroff output for CRT previewing
 * colorit - a script for markuping the text input
 * colrm - remove columns from a file
 * combinediff - create a cumulative unified patch from two incremental patches
 * comm - compare two sorted files line by line
 * common::sense (3pm) - save a tree AND a kitten, use common::sense!
 * compare - mathematically and visually annotate the difference between an ima...
 * compare-im6 - mathematically and visually annotate the difference between an ima...
 * compare-im6.q16 - mathematically and visually annotate the difference between an ima...
 * compose - execute programs via entries in the mailcap file
 * config (5ssl) - OpenSSL CONF library configuration files
 * config.guess - guess the build system triplet
 * config.sub - validate and canonicalize a configuration triplet
 * confstr - get configuration dependent string variables
 * conjure - interprets and executes scripts written in the Magick Scripting La...
 * conjure-im6 - interprets and executes scripts written in the Magick Scripting La...
 * conjure-im6.q16 - interprets and executes scripts written in the Magick Scripting La...
 * convert - convert between image formats as well as resize an image, blur, cr...
 * convert-im6 - convert between image formats as well as resize an image, blur, cr...
 * convert-im6.q16 - convert between image formats as well as resize an image, blur, cr...
 * core - core dump file
 * coredump.conf - Core dump storage configuration files
 * coredump.conf.d - Core dump storage configuration files
 * coredumpctl - Retrieve and process saved core dumps and metadata
 * corelist - a commandline frontend to Module::CoreList
 * cp - copy files and directories
 * Cpanel::JSON::XS (3pm)- cPanel fork of JSON::XS, fast and correct serializing
 * cpio - copy files to and from archives
 * cpio-filter (1p) - transform a cpio archive
 * cpp - The C Preprocessor
 * cpp-9 - The C Preprocessor
 * cproj - project into Riemann Sphere
 * cprojf - project into Riemann Sphere
 * cprojl - project into Riemann Sphere
 * CPU_FREE - macros for manipulating CPU sets
 * crc32 - compute CRC-32 checksums for the given files
 * crda - send to the kernel a wireless regulatory domain for a given ISO / ...
 * creal - get real part of a complex number
 * crealf - get real part of a complex number
 * creall - get real part of a complex number
 * creat - open and possibly create a file
 * create-cracklib-dict - Check passwords using libcrack2
 * create_module - create a loadable module entry
 * credentials - process identifiers
 * crl2pkcs7 (1ssl) - Create a PKCS#7 structure from a CRL and certificates
 * crontab - maintain crontab files for individual users (Vixie Cron)
 * crontab - tables for driving cron
 * crypt_checksalt - validate a crypt setting string
 * crypt_preferred_method - get the prefix of the preferred hash method
 * cryptdisks_start - wrapper around cryptsetup that parses /etc/crypttab.
 * cryptdisks_stop - wrapper around cryptsetup that parses /etc/crypttab.
 * crypto (7ssl) - OpenSSL cryptographic library
 * cryptsetup-reencrypt - tool for offline LUKS device re-encryption
 * csqrt - complex square root
 * csqrtf - complex square root
 * csqrtl - complex square root
 * csscapture - Downloads CSS stylesheets.
 * csscapture_py3 - Downloads CSS stylesheets.
 * cssparse - A CSS parser.
 * cssparse_py3 - A CSS parser.
 * ct (7ssl) - Certificate Transparency
 * cups - a standards-based, open source printing system
 * cups-browsed - A daemon for browsing the Bonjour broadcasts of shared, remote CUP...
 * cups-calibrate - ESP CUPS Printer Calibration Tool
 * cups-deviced - cupsd helper programs (deprecated)
 * cups-driverd - cupsd helper programs (deprecated)
 * cups-exec - cupsd helper programs (deprecated)
 * cups-files.conf - file and directory configuration file for cups
 * cups-genppdupdate - update CUPS+Gutenprint PPD files
 * cups-lpd - receive print jobs and report printer status to lpd clients (depre...
 * cups-snmp - cups snmp backend (deprecated)
 * cups-snmp.conf - snmp configuration file for cups (deprecated)
 * cupsaccept - accept/reject jobs sent to a destination
 * cupsctl - configure cupsd.conf options
 * cupsd-helper - cupsd helper programs (deprecated)
 * cupsd-logs - cupsd log files (access_log, error_log, and page_log)
 * cupsdisable - stop/start printers and classes
 * cupsenable - stop/start printers and classes
 * cupsfilter - convert a file to another format using cups filters (deprecated)
 * cupsreject - accept/reject jobs sent to a destination
 * cupstestppd - test conformance of ppd files
 * cuserid - get username
 * cut - remove sections from each line of files
 * cvtsudoers - convert between sudoers file formats
 * daemon - Writing and packaging system daemons
 * dash - command interpreter (shell)
 * Data::Dump (3pm) - Pretty printing of data structures
 * Data::Dump::Filtered (3pm)- Pretty printing with filtering
 * Data::Dump::Trace (3pm)- Helpers to trace function and method calls
 * date - print or set the system date and time
 * Date::Language (3pm)- Language specific date formating and parsing
 * Date::Language::Bulgarian (3pm)- localization for Date::Format
 * Date::Language::Hungarian (3pm)- Magyar format for Date::Format
 * Date::Parse (3pm) - Parse date strings into time values
 * daylight - initialize time conversion information
 * dbus-cleanup-sockets - clean up leftover sockets in a directory
 * dbus-launch - Utility to start a message bus from a shell script
 * dbus-monitor - debug probe to print message bus messages
 * dc - an arbitrary precision calculator
 * dccleancrw - Canon (CRW) RAW photo file recovery utility
 * dcfujigreen - Alternative processing for Fuji RAW images
 * dconf-service - D-Bus service for writes to the dconf database
 * dcparse - Extract embedded thumbnail image and print CIFF/TIFF data to screen
 * ddstdecode - Decode a Ricoh DDST stream into human readable form.
 * deb-changelog - dpkg source packages' changelog file format
 * deb-extra-override - Debian archive extra override file
 * deb-origin - Vendor-specific information files
 * deb-override - Debian archive override file
 * deb-postinst - package post-installation maintainer script
 * deb-postrm - package post-removal maintainer script
 * deb-preinst - package pre-installation maintainer script
 * deb-prerm - package pre-removal maintainer script
 * deb-shlibs - Debian shared library information file
 * deb-src-control - Debian source packages' master control file format
 * deb-src-files - Debian distribute files format
 * deb-src-rules - Debian source package rules file
 * deb-substvars - Debian source substitution variables
 * deb-symbols - Debian's extended shared library information file
 * deb-systemd-invoke (1p)- wrapper around systemctl, respecting policy-rc.d
 * deb-triggers - package triggers
 * deb-version - Debian package version number format
 * debconf-apt-progress - install packages using debconf to display a progress bar
 * Debian::DictionariesCommon (3pm)- dictionaries-common library
 * DebianNet - create, remove, enable or disable entry in /etc/inetd.
 * debugreiserfs - The debugging tool for the ReiserFS filesystem.
 * default.pa - PulseAudio Sound Server Startup Script
 * defer (8postfix) - Postfix delivery status reports
 * defined - a library for working with MaxMind DB files
 * delaunay - constructs the constrained Delaunay triangulation of the input
 * delgroup - remove a user or group from the system
 * deluser - remove a user or group from the system
 * depmod.d - Configuration directory for depmod
 * des_modes (7ssl) - the variants of DES and other crypto algorithms of OpenSSL
 * des_setparity - fast DES encryption
 * devdump - Utility programs for dumping and verifying iso9660 images.
 * Devel::Size (3pm) - Perl extension for finding the memory usage of Perl variables
 * devlink-health - devlink health reporting and recovery
 * devlink-monitor - state monitoring
 * devlink-region - devlink address region access
 * devlink-resource - devlink device resource configuration
 * devlink-sb - devlink shared buffer configuration
 * df - report file system disk space usage
 * dh-autoreconf - debhelper add-on to run autoreconf during build
 * dh_auto_configure - automatically configure a package prior to building
 * dh_autoreconf - Call autoreconf-f-i and keep track of the changed files.
 * dh_autoreconf_clean - Clean all changes made by dh_autoreconf
 * dh_autotools-dev_restoreconfig - restore config.sub and config.guess
 * dh_bugfiles - install bug reporting customization files into package build direc...
 * dh_clean - clean up package build directories
 * dh_compress - compress files and fix symlinks in package build directories
 * dh_dkms - correctly handle DKMS usage by a kernel module package
 * dh_dwz - optimize DWARF debug information in ELF binaries via dwz
 * dh_fixperms - fix permissions of files in package build directories
 * dh_gconf - install GConf defaults files and register schemas (deprecated)
 * dh_icons - Update caches of Freedesktop icons
 * dh_install - install files into package build directories
 * dh_installcatalogs - install and register SGML Catalogs
 * dh_installchangelogs - install changelogs into package build directories
 * dh_installcron - install cron scripts into etc/cron.*
 * dh_installdeb - install files into the DEBIAN directory
 * dh_installdebconf - install files used by debconf in package build directories
 * dh_installdirs - create subdirectories in package build directories
 * dh_installdocs - install documentation into package build directories
 * dh_installemacsen - register an Emacs add on package
 * dh_installexamples - install example files into package build directories
 * dh_installgsettings - install GSettings overrides and set dependencies
 * dh_installinit - install service init files into package build directories
 * dh_installinitramfs - install initramfs hooks and setup maintscripts
 * dh_installman - install man pages into package build directories
 * dh_installmanpages - old-style man page installer (deprecated)
 * dh_installmenu - install Debian menu files into package build directories
 * dh_installmime - install mime files into package build directories
 * dh_installmodules - register kernel modules
 * dh_installwm - register a window manager
 * dh_installxfonts - register X fonts
 * dh_installxmlcatalogs - install and register XML catalog files
 * dh_link - create symlinks in package build directories
 * dh_lintian - install lintian override files into package build directories
 * dh_makeshlibs - automatically create shlibs file and call dpkg-gensymbols
 * dh_perl_openssl - add dependencies required for OpenSSL modules
 * dh_prep - perform cleanups in preparation for building a binary package
 * dh_python2 - calculates Python dependencies, adds maintainer scripts to byte co...
 * dh_shlibdeps - calculate shared library dependencies
 * dh_strip - strip executables, shared libraries, and some static libraries
 * dh_strip_nondeterminism (1p)- strip uninteresting, nondeterministic information from files
 * dh_systemd_start - start/stop/restart systemd unit files
 * dh_testdir - test directory before building Debian package
 * dh_testroot - ensure that a package is built with necessary level of root permis...
 * dh_ucf - register configuration files with ucf
 * dh_usrlocal - migrate usr/local directories to maintainer scripts
 * dhclient-script - DHCP client network configuration script
 * dialog - display dialog boxes from shell scripts
 * dictl - wrapper script for dict that permits using utf-8 encoded dictionar...
 * diffimg - Calculates intersection between two images
 * difftime - calculate time difference
 * dijkstra - single-source distance filter for Graphviz
 * dir - list directory contents
 * dir_colors - configuration file for dircolors
 * dircolors - color setup for ls
 * dirfd - get directory stream file descriptor
 * dirname - strip last component from file name
 * dirname - parse pathname components
 * dirsplit - splits directory into multiple with equal size
 * div - compute quotient and remainder of an integer division
 * djpeg - decompress a JPEG file to an image file
 * dl_iterate_phdr - walk through list of shared objects
 * dladdr - translate address to symbolic information
 * dladdr1 - translate address to symbolic information
 * dlclose - open and close a shared object
 * dlerror - obtain error diagnostic for functions in the dlopen API
 * dlmopen - open and close a shared object
 * dlopen - open and close a shared object
 * dlsym - obtain address of a symbol in a shared object or executable
 * dlvsym - obtain address of a symbol in a shared object or executable
 * dmesg - print or control the kernel ring buffer
 * dmevent_tool - A utility used to load a DSO into dmeventd and (un)register device...
 * dmraid - discover, configure and activate software (ATA)RAID
 * dn_comp - resolver routines
 * dn_expand - resolver routines
 * dnssec-trust-anchors.d - DNSSEC trust anchor configuration files
 * dosfsck - check and repair MS-DOS filesystems
 * dot - filter for drawing directed graphs
 * dot2gxl - GXL-GV converters
 * dpkg-architecture - set and determine the architecture for package building
 * dpkg-buildflags - returns build flags to use during package build
 * dpkg-buildpackage - build binary or source packages from sources
 * dpkg-deb - Debian package archive (.deb) manipulation tool
 * dpkg-distaddfile - add entries to debian/files
 * dpkg-divert - override a package's version of a file
 * dpkg-gensymbols - generate symbols files (shared library dependency information)
 * dpkg-maintscript-helper - works around known dpkg limitations in maintainer scripts
 * dpkg-name - rename Debian packages to full package names
 * dpkg-parsechangelog - parse Debian changelog files
 * dpkg-preconfigure - let packages ask questions prior to their installation
 * dpkg-reconfigure - reconfigure an already installed package
 * dpkg-repack - put an unpacked .deb file back together
 * dpkg-scanpackages - create Packages index files
 * dpkg-scansources - create Sources index files
 * dpkg-shlibdeps - generate shared library substvar dependencies
 * dpkg-source - Debian source package (.dsc) manipulation tool
 * dpkg-split - Debian package archive split/join tool
 * dpkg-statoverride - override ownership and mode of files
 * dpkg-trigger - a package trigger utility
 * dpkg-vendor - queries information about distribution vendors
 * Dpkg::Arch (3perl) - handle architectures
 * Dpkg::BuildOptions (3perl)- parse and update build options
 * Dpkg::BuildProfiles (3perl)- handle build profiles
 * Dpkg::Changelog (3perl)- base class to implement a changelog parser
 * Dpkg::Changelog::Debian (3perl)- parse Debian changelogs
 * Dpkg::Changelog::Entry (3perl)- represents a changelog entry
 * Dpkg::Changelog::Entry::Debian (3perl)- represents a Debian changelog entry
 * Dpkg::Changelog::Parse (3perl)- generic changelog parser for dpkg-parsechangelog
 * Dpkg::Compression (3perl)- simple database of available compression methods
 * Dpkg::Compression::FileHandle (3perl)- object dealing transparently with file compression
 * Dpkg::Compression::Process (3perl)- run compression/decompression processes
 * Dpkg::Conf (3perl) - parse dpkg configuration files
 * Dpkg::Control (3perl)- parse and manipulate official control-like information
 * Dpkg::Control::Changelog (3perl)- represent info fields output by dpkg-parsechangelog
 * Dpkg::Control::FieldsCore (3perl)- manage (list of official) control fields
 * Dpkg::Control::Hash (3perl)- parse and manipulate a block of RFC822-like fields
 * Dpkg::Control::HashCore (3perl)- parse and manipulate a block of RFC822-like fields
 * Dpkg::Control::Info (3perl)- parse files like debian/control
 * Dpkg::Control::Tests (3perl)- parse files like debian/tests/control
 * Dpkg::Control::Tests::Entry (3perl)- represents a test suite entry
 * Dpkg::Deps (3perl) - parse and manipulate dependencies of Debian packages
 * Dpkg::Deps::KnownFacts (3perl)- list of installed real and virtual packages
 * Dpkg::Deps::Multiple (3perl)- base module to represent multiple dependencies
 * Dpkg::Deps::Simple (3perl)- represents a single dependency statement
 * Dpkg::Deps::Union (3perl)- list of unrelated dependencies
 * Dpkg::Exit (3perl) - program exit handlers
 * Dpkg::Index (3perl) - generic index of control information
 * Dpkg::Interface::Storable (3perl)- common methods related to object serialization
 * Dpkg::Source::Format (3perl)- manipulate debian/source/format files
 * Dpkg::Source::Package (3perl)- manipulate Debian source packages
 * Dpkg::Substvars (3perl)- handle variable substitution in strings
 * Dpkg::Version (3perl)- handling and comparing dpkg-style version numbers
 * dprintf - formatted output conversion
 * drand48 - generate uniformly distributed pseudo-random numbers
 * drand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * drem - floating-point remainder function
 * dremf - floating-point remainder function
 * dreml - floating-point remainder function
 * driverless - PPD generator utility for driverless printing
 * tc-drr - deficit round robin scheduler
 * dsc - Debian source packages' control file format
 * dump-acct - print an acct file in human-readable format.
 * dump-utmp - print an utmp file in human-readable format.
 * dup - duplicate a file descriptor
 * dup2 - duplicate a file descriptor
 * dup3 - duplicate a file descriptor
 * dvipdf - Convert TeX DVI file to PDF using ghostscript and dvips
 * dwz - DWARF optimization and duplicate removal tool
 * DynaLoader::Functions (3pm)- deconstructed dynamic C library loading
 * e2freefrag - report free space fragmentation information
 * e2image - Save critical ext2/ext3/ext4 filesystem metadata to a file
 * e2scrub_all - check all mounted ext[234] filesystems for errors.
 * e2undo - Replay an undo log for an ext2/ext3/ext4 filesystem
 * ebtables-nft - Ethernet bridge frame table administration (nft-based)
 * ebtables-nft-restore - iptables using nftables kernel api
 * ecryptfs - an enterprise-class cryptographic filesystem for linux
 * ecryptfs-add-passphrase - add an eCryptfs mount passphrase to the kernel keyring.
 * ecryptfs-find - use inode numbers to match encrypted/decrypted filenames
 * ecryptfs-generate-tpm-key - generate an eCryptfs key for TPM hardware.
 * ecryptfs-insert-wrapped-passphrase-into-key... - unwrap a wrapped passphrase from fil...
 * ecryptfs-migrate-home - migrate a user's home directory to an encrypted home setup
 * ecryptfs-mount-private - interactive eCryptfs private mount wrapper script.
 * ecryptfs-recover-private - find and mount any encrypted private directories
 * ecryptfs-rewrap-passphrase - unwrap an eCryptfs wrapped passphrase, rewrap it with a ...
 * ecryptfs-rewrite-file - force a file to be rewritten (reencrypted) in the lower files...
 * ecryptfs-setup-private - setup an eCryptfs private directory.
 * ecryptfs-setup-swap - ensure that any swap space is encrypted
 * ecryptfs-stat - Present statistics on encrypted eCryptfs file attributes
 * ecryptfs-umount-private - eCryptfs private unmount wrapper script.
 * ecryptfs-verify - validate an eCryptfs encrypted home or encrypted private configura...
 * ecvt - convert a floating-point number to a string
 * ecvt_r - convert a floating-point number to a string
 * ed - line-oriented text editor
 * edgepaint - edge coloring to disambiguate crossing edges
 * edit - execute programs via entries in the mailcap file
 * editor - Nano's ANOther editor, inspired by Pico
 * editrc (5edit) - configuration file for editline library
 * editres - a dynamic resource editor for X Toolkit applications
 * egrep - print lines that match patterns
 * eject - eject removable media
 * Email::Valid (3pm) - Check validity of Internet email addresses
 * enc (1ssl) - symmetric cipher routines
 * enchant-lsmod - Show information about available spell-checking modules and dictio...
 * endaliasent - read an alias entry
 * endfsent - handle fstab entries
 * endgrent - get group file entry
 * endmntent - get filesystem descriptor file entry
 * endnetgrent - handle network group entries
 * endusershell - get permitted user shells
 * endutent - access utmp file entries
 * endutxent - access utmp file entries
 * envsubst - substitutes environment variables in shell format strings
 * envz - environment string support
 * envz_add - environment string support
 * envz_entry - environment string support
 * envz_get - environment string support
 * envz_merge - environment string support
 * envz_remove - environment string support
 * envz_strip - environment string support
 * epoll_create - open an epoll file descriptor
 * epoll_create1 - open an epoll file descriptor
 * epoll_ctl - control interface for an epoll file descriptor
 * epoll_pwait - wait for an I/O event on an epoll file descriptor
 * epoll_wait - wait for an I/O event on an epoll file descriptor
 * eps2eps - Ghostscript PostScript "distiller"
 * erand48 - generate uniformly distributed pseudo-random numbers
 * erand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * erf - error function
 * erfc - complementary error function
 * erfcf - complementary error function
 * erfcl - complementary error function
 * erff - error function
 * erfl - error function
 * err - formatted error messages
 * errno - look up errno names and descriptions
 * errno - number of last error
 * error - glibc error reporting functions
 * error (8postfix) - Postfix error/retry mail delivery agent
 * Error::Simple (3pm) - the simple error sub-class of Error
 * Error::TypeTiny (3pm)- exceptions for Type::Tiny and friends
 * Error::TypeTiny::Assertion (3pm)- exception when a value fails a type constraint
 * Error::TypeTiny::Compilation (3pm)- exception for Eval::TypeTiny
 * Error::TypeTiny::WrongNumberOfParameters (3pm)- exception for Type::Params
 * error_at_line - glibc error reporting functions
 * error_message_count - glibc error reporting functions
 * error_one_per_line - glibc error reporting functions
 * error_print_progname - glibc error reporting functions
 * errstr (1ssl) - lookup error codes
 * errx - formatted error messages
 * esc-m - ease viewing output of driver data
 * espdiff - apply the appropriate transformation to a set of patches
 * ether_aton - Ethernet address manipulation routines
 * ether_aton_r - Ethernet address manipulation routines
 * ether_hostton - Ethernet address manipulation routines
 * ether_line - Ethernet address manipulation routines
 * ether_ntoa - Ethernet address manipulation routines
 * ether_ntoa_r - Ethernet address manipulation routines
 * ether_ntohost - Ethernet address manipulation routines
 * ethers - Ethernet address to IP number database
 * ethtool - query or control network driver and hardware settings
 * eutp - EuroBraille file transferring
 * EV (3pm) - perl interface to libev, a high performance full-featured event loop
 * EV::libev (3pm) - a high performance full-featured event loop written in C
 * Eval::TypeTiny (3pm)- utility to evaluate a string of Perl code in a clean environment
 * eventfd - create a file descriptor for event notification
 * eventfd2 - create a file descriptor for event notification
 * eventfd_read - create a file descriptor for event notification
 * eventfd_write - create a file descriptor for event notification
 * exa - new 2D acceleration architecture for X.Org
 * execveat - execute program relative to a directory file descriptor
 * exifautotran - Transforms Exif files so that Orientation becomes 1
 * exit_group - exit all threads in a process
 * expiry - check and enforce password expiration policy
 * explicit_bzero - zero a byte string
 * Exporter::Tiny (3pm)- an exporter with the features of Sub::Exporter but only core depen...
 * Exporter::Tiny::Manual::Exporting (3pm)- creating an exporter using Exporter::Tiny
 * expr - evaluate expressions
 * factor - factor numbers
 * fadvise64 - predeclare an access pattern for file data
 * fadvise64_64 - predeclare an access pattern for file data
 * faillog - login failure logging file
 * faillog - display faillog records or set login failure limits
 * faked - daemon that remembers fake ownership/permissions of files manipula...
 * faked-sysv - daemon that remembers fake ownership/permissions of files manipula...
 * faked-tcp - daemon that remembers fake ownership/permissions of files manipula...
 * fakeroot - run a command in an environment faking root privileges for file ma...
 * fakeroot-sysv - run a command in an environment faking root privileges for file ma...
 * fakeroot-tcp - run a command in an environment faking root privileges for file ma...
 * fallocate - preallocate or deallocate space to a file
 * fanotify - monitoring filesystem events
 * fanotify_init - create and initialize fanotify group
 * fanotify_mark - add, remove, or modify an fanotify mark on a filesystem object
 * fastjar - archive tool for Java archives
 * fbdev - video driver for framebuffer device
 * fc-cat - read font information cache files
 * fc-pattern - parse and show pattern
 * fc-scan - scan font files or directories
 * fchdir - change working directory
 * fchown - change ownership of a file
 * fchown32 - change ownership of a file
 * fchownat - change ownership of a file
 * fclose - close a stream
 * fcloseall - close all open streams
 * fcntl - manipulate file descriptor
 * fcntl64 - manipulate file descriptor
 * fcvt - convert a floating-point number to a string
 * fcvt_r - convert a floating-point number to a string
 * fdatasync - synchronize a file's in-core state with storage device
 * fdfind - find entries in the filesystem
 * fdim - positive difference
 * fdimf - positive difference
 * fdiml - positive difference
 * fdopen - stream open functions
 * fdopendir - open a directory
 * fdp - filter for drawing undirected graphs
 * feature_test_macros - feature test macros
 * feclearexcept - floating-point rounding and exception handling
 * feof - check and reset stream status
 * ferror - check and reset stream status
 * ferror_unlocked - nonlocking stdio functions
 * fexecve - execute program specified via file descriptor
 * fflush - flush a stream
 * ffmpeg-bitstream-filters - FFmpeg bitstream filters
 * ffmpeg-filters - FFmpeg filters
 * ffmpeg-resampler - FFmpeg Resampler
 * ffs - find first bit set in a word
 * ffsl - find first bit set in a word
 * ffsll - find first bit set in a word
 * fgconsole - print the number of the active VT.
 * fgetc - input of characters and strings
 * fgetgrent - get group file entry
 * fgetgrent_r - get group file entry reentrantly
 * fgetpos - reposition a stream
 * fgetpwent_r - get passwd file entry reentrantly
 * fgets - input of characters and strings
 * fgetwc - read a wide character from a FILE stream
 * fgetws - read a wide-character string from a FILE stream
 * fgetxattr - retrieve an extended attribute value
 * fgrep - print lines that match patterns
 * fiascotopnm - Convert compressed FIASCO image to PGM, or PPM
 * fifo - first-in first-out special file, named pipe
 * figlet-toilet - display large colourful characters
 * file-hierarchy - File system hierarchy overview
 * file-rename (1p) - renames multiple files
 * file-roller - archive manager for GNOME
 * file2brl - Translate an xml or a text file into an embosser-ready braille file
 * File::BaseDir (3pm) - Use the Freedesktop.org base directory specification
 * File::FcntlLock::Pure (3pm)- File locking with fcntl
 * File::IconTheme (3pm)- find icon directories
 * File::Listing (3pm) - parse directory listing
 * File::MimeInfo::Cookbook (3pm)- various code snippets
 * File::Rename (3pm) - Perl extension for renaming multiple files
 * File::Rename::Options (3pm)- Option processing for File::Rename
 * File::UserDirs (3pm)- find extra media and documents directories
 * filefrag - report on file fragmentation
 * filefuncs (3am) - provide some file related functionality to gawk
 * fileno - check and reset stream status
 * filesystems - Linux filesystem types: ext, ext2, ext3, ext4, hpfs, iso9660, JFS,...
 * filter - cups file conversion filter interface
 * filterdiff - extract or exclude diffs from a diff file
 * finalrd - final runtime directory generator for shutdown
 * fincore - count pages of file contents in core
 * find - search for files in a directory hierarchy
 * findsmb - list info about machines that respond to SMB name queries on a subnet
 * firefox - a free and open source web browser from Mozilla
 * fixparts - MBR partition table repair utility
 * flatpak-build - Build in a directory
 * flatpak-build-bundle - Create a single-file bundle from a local repository
 * flatpak-build-commit-from - Create new commits based on existing one (possibly from a...
 * flatpak-build-export - Create a repository from a build directory
 * flatpak-build-finish - Finalize a build directory
 * flatpak-build-import-bundle - Import a file bundle into a local repository
 * flatpak-build-init - Initialize a build directory
 * flatpak-build-update-repo - Create a repository from a build directory
 * flatpak-create-usb - Copy apps and/or runtimes onto removable media.
 * flatpak-flatpakref - Reference to a remote for an application or runtime
 * flatpak-flatpakrepo - Reference to a remote
 * flatpak-make-current - Make a specific version of an app current
 * flatpak-override - Override application requirements
 * flatpak-permission-remove - Remove permissions
 * flatpak-permission-reset - Reset permissions
 * flatpak-remote - Configuration for a remote
 * flatpak-remote-add - Add a remote repository
 * flatpak-remote-delete - Delete a remote repository
 * flatpak-remote-info - Show information about an application or runtime in a remote
 * flatpak-remote-ls - Show available runtimes and applications
 * flatpak-remote-modify - Modify a remote repository
 * flatpak-remotes - List remote repositories
 * flatpak-repair - Repair a flatpak installation
 * flatpak-repo - Show information about a local repository
 * flatpak-search - Search for applications and runtimes
 * flipdiff - exchange the order of two incremental patches
 * flistxattr - list extended attribute names
 * flock - manage locks from shell scripts
 * flock - apply or remove an advisory lock on an open file
 * floor - largest integral value not greater than argument
 * floorf - largest integral value not greater than argument
 * floorl - largest integral value not greater than argument
 * fmax - determine maximum of two floating-point numbers
 * fmaxf - determine maximum of two floating-point numbers
 * fmaxl - determine maximum of two floating-point numbers
 * fmemopen - open memory as stream
 * fmin - determine minimum of two floating-point numbers
 * fminf - determine minimum of two floating-point numbers
 * fminl - determine minimum of two floating-point numbers
 * fmod - floating-point remainder function
 * fmodf - floating-point remainder function
 * fmodl - floating-point remainder function
 * fmtmsg - print formatted error messages
 * fnmatch (3am) - compare a string against a filename wildcard
 * Font::AFM (3pm) - Interface to Adobe Font Metrics files
 * Font::TTF::Dumper (3pm)- Debug dump of a font datastructure, avoiding recursion on ' PAR...
 * Font::TTF::Fdsc (3pm)- Font Descriptors table in a font
 * Font::TTF::Feat (3pm)- Font Features
 * Font::TTF::Features::Cvar (3pm)- Class for Character Variants Feature Parameters
 * Font::TTF::Features::Size (3pm)- Class for Size Feature Parameters
 * Font::TTF::Features::Sset (3pm)- Class for Stylistic Set Feature Parameters
 * Font::TTF::Fmtx (3pm)- Font Metrics table
 * Font::TTF::Font (3pm)- Memory representation of a font
 * Font::TTF::Glat (3pm)- Hold glyph attributes
 * Font::TTF::Gloc (3pm)- Offsets into Glat table for the start of the attributes for each ...
 * Font::TTF::GrFeat (3pm)- Graphite Font Features
 * Font::TTF::Hdmx (3pm)- Horizontal device metrics
 * Font::TTF::Hhea (3pm)- Horizontal Header table
 * Font::TTF::Hmtx (3pm)- Horizontal Metrics
 * Font::TTF::Kern::ClassArray (3pm)- ClassArray Kern Subtable for AAT
 * Font::TTF::Kern::CompactClassArray (3pm)- Compact Class Array kern subtable for AAT
 * Font::TTF::Kern::OrderedList (3pm)- Ordered List Kern subtable for AAT
 * Font::TTF::Kern::Subtable (3pm)- Kern Subtable superclass for AAT
 * Font::TTF::LTSH (3pm)- Linear Threshold table
 * Font::TTF::Manual (3pm)- Information regarding the whole module set
 * Font::TTF::Maxp (3pm)- Maximum Profile table in a font
 * Font::TTF::Mort::Ligature (3pm)- Ligature Mort subtable for AAT
 * Font::TTF::Mort::Rearrangement (3pm)- Rearrangement Mort subtable for AAT
 * Font::TTF::Mort::Subtable (3pm)- Mort subtable superclass for AAT
 * Font::TTF::Name (3pm)- String table for a TTF font
 * Font::TTF::Post (3pm)- Holds the Postscript names for each glyph
 * Font::TTF::Prep (3pm)- Preparation hinting program. Called when ppem changes
 * Font::TTF::PSNames (3pm)- Utilities for Postscript glyph name processing
 * Font::TTF::Segarr (3pm)- Segmented array
 * Font::TTF::Table (3pm)- Superclass for tables and used for tables we don't have a class for
 * Font::TTF::Ttopen (3pm)- Opentype superclass for standard Opentype lookup based tables (...
 * Font::TTF::Utils (3pm)- Utility functions to save fingers
 * Font::TTF::Vmtx (3pm)- Vertical Metrics
 * Font::TTF::Woff::PrivateData (3pm)- WOFF Private data
 * Font::TTF::XMLparse (3pm)- provides support for XML parsing. Requires Expat module XML::...
 * foo2ddst - Convert Ghostscript pbmraw into a DDST printer stream
 * foo2ddst-wrapper - Convert Postscript into a DDST printer stream
 * foo2hbpl2 - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2hbpl2-wrapper - Convert Postscript into a ZJS printer stream
 * foo2hiperc - Convert Ghostscript pbmraw or bitcmyk format into a HIPERC printer...
 * foo2hiperc-wrapper - Convert Postscript into a HIPERC printer stream
 * foo2hp - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2hp2600-wrapper - Convert Postscript into a ZJS printer stream
 * foo2lava - Convert Ghostscript pbmraw or bitcmyk format into a LAVAFLOW or a ...
 * foo2lava-wrapper - Convert Postscript into a LAVAFLOW or OPL printer stream
 * foo2oak - Convert Ghostscript pbmraw, pgmraw or bitcmyk format into an OAKT ...
 * foo2oak-wrapper - Convert Postscript into an OAKT printer stream
 * foo2qpdl - Convert Ghostscript pbmraw or bitcmyk format into a QPDL printer s...
 * foo2qpdl-wrapper - Convert Postscript into a QPDL printer stream
 * foo2slx - Convert Ghostscript pbmraw or bitcmyk format into a SLX printer st...
 * foo2slx-wrapper - Convert Postscript into a SLX printer stream
 * foo2xqx - Convert Ghostscript pbmraw into a XQX printer stream
 * foo2xqx-wrapper - Convert Postscript into a XQX printer stream
 * foo2zjs - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2zjs-wrapper - Convert Postscript into a ZJS printer stream
 * foomatic-rip - Universal print filter/RIP wrapper
 * fopen - stream open functions
 * fopencookie - opening a custom stream
 * fork - create a child process
 * fprintd - Fingerprint management daemon, and test applications
 * fprintd-delete - Fingerprint management daemon, and test applications
 * fprintd-enroll - Fingerprint management daemon, and test applications
 * fprintd-list - Fingerprint management daemon, and test applications
 * fprintd-verify - Fingerprint management daemon, and test applications
 * fprintf - formatted output conversion
 * fpurge - purge a stream
 * fputc - output of characters and strings
 * fputs - output of characters and strings
 * fputwc - write a wide character to a FILE stream
 * fputws - write a wide-character string to a FILE stream
 * fread - binary stream input/output
 * fread_unlocked - nonlocking stdio functions
 * free - Display amount of free and used memory in the system
 * free - allocate and free dynamic memory
 * free_hugepages - allocate or free huge pages
 * freeaddrinfo - network address and service translation
 * freehostent - get network hostnames and addresses
 * freeifaddrs - get interface addresses
 * freelocale - create, modify, and free a locale object
 * readproc - read information from next /proc/## entry
 * readproctab - read information for all current processes at once
 * fremovexattr - remove an extended attribute
 * words - a list of french words
 * freopen - stream open functions
 * frexp - convert floating-point number to fractional and integral components
 * frexpf - convert floating-point number to fractional and integral components
 * frexpl - convert floating-point number to fractional and integral components
 * from - print names of those who have sent mail
 * fs - Linux filesystem types: ext, ext2, ext3, ext4, hpfs, iso9660, JFS,...
 * fsadm - utility to resize or check filesystem on a device
 * fscanf - input format conversion
 * fsck - check and repair a Linux filesystem
 * fsck.cramfs - fsck compressed ROM file system
 * fsck.fat - check and repair MS-DOS filesystems
 * fsck.jfs - initiate replay of the JFS transaction log, and check and repair a...
 * fsck.msdos - check and repair MS-DOS filesystems
 * fsck.reiserfs - The checking tool for the ReiserFS filesystem.
 * fsck.vfat - check and repair MS-DOS filesystems
 * fseek - reposition a stream
 * fseeko - seek to or report file position
 * fsetpos - reposition a stream
 * fsetxattr - set an extended attribute value
 * fsf-funding (7gcc) - Funding Free Software
 * fsfreeze - suspend access to a filesystem (Ext3/4, ReiserFS, JFS, XFS)
 * fstopgm - convert a Usenix FaceSaver(tm) file into a portable graymap
 * fstrim - discard unused blocks on a mounted filesystem
 * fsync - synchronize a file's in-core state with storage device
 * ftell - reposition a stream
 * ftello - seek to or report file position
 * ftime - return date and time
 * ftm - feature test macros
 * fts - traverse a file hierarchy
 * fts_children - traverse a file hierarchy
 * fts_close - traverse a file hierarchy
 * fts_open - traverse a file hierarchy
 * fts_read - traverse a file hierarchy
 * fts_set - traverse a file hierarchy
 * ftw - file tree walk
 * funzip - filter for extracting from a ZIP archive in a pipe
 * fuse - Filesystem in Userspace (FUSE) device
 * futimens - change file timestamps with nanosecond precision
 * futimesat - change timestamps of a file relative to a directory file descriptor
 * fwide - set and determine the orientation of a FILE stream
 * fwprintf - formatted wide-character output conversion
 * fwrite - binary stream input/output
 * fwrite_unlocked - nonlocking stdio functions
 * fwupdagent - Firmware updating agent
 * fwupdate - Debugging utility for UEFI firmware updates
 * fwupdmgr - Firmware update manager client utility
 * fwupdtool - Standalone firmware update utility
 * gai.conf - getaddrinfo configuration file
 * gai_cancel - asynchronous network address and service translation
 * gai_error - asynchronous network address and service translation
 * gai_strerror - network address and service translation
 * gai_suspend - asynchronous network address and service translation
 * gamemoded - optimises system performance on demand
 * gamma - (logarithm of the) gamma function
 * gamma4scanimage - create a gamma table for scanimage
 * gammaf - (logarithm of the) gamma function
 * gammal - (logarithm of the) gamma function
 * gcore - Generate a core file of a running program
 * gcov-dump - offline gcda and gcno profile dump tool
 * gcov-dump-9 - offline gcda and gcno profile dump tool
 * gcov-tool - offline gcda profile processing tool
 * gcov-tool-9 - offline gcda profile processing tool
 * gcvt - convert a floating-point number to a string
 * gdbserver - Remote Server for the GNU Debugger
 * gdk-pixbuf-csource - C code generation utility for GdkPixbuf images
 * gdk-pixbuf-pixdata - GDK Pixbuf library
 * gdk-pixbuf-query-loaders - GdkPixbuf loader registration utility
 * gendiff - utility to aid in error-free diff file generation
 * gendsa (1ssl) - generate a DSA private key from a set of parameters
 * generic - Postfix generic table format
 * genisoimage - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * genisoimagerc - startup configuration file for genisoimage
 * genl - generic netlink utility frontend
 * genpkey (1ssl) - generate a private key
 * genrsa (1ssl) - generate an RSA private key
 * geoclue - geoclue configuration parameters
 * getcwd - get current working directory
 * get_current_dir_name - get current working directory
 * get_kernel_syms - retrieve exported kernel and module symbols
 * get_mempolicy - retrieve NUMA memory policy for a thread
 * get_myaddress - library routines for remote procedure calls
 * get_nprocs - get number of processors
 * get_nprocs_conf - get number of processors
 * get_thread_area - manipulate thread-local storage information
 * getaddrinfo - network address and service translation
 * getaddrinfo_a - asynchronous network address and service translation
 * getaliasbyname - read an alias entry
 * getaliasbyname_r - read an alias entry
 * getaliasent - read an alias entry
 * getaliasent_r - read an alias entry
 * getauxval - retrieve a value from the auxiliary vector
 * getc - input of characters and strings
 * getchar - input of characters and strings
 * getcifsacl - Userspace helper to display an ACL in a security descriptor for Co...
 * getconf - Query system configuration variables
 * getcpu - determine CPU and NUMA node on which the calling thread is running
 * getcwd - get current working directory
 * getdate - convert a date-plus-time string to broken-down time
 * getdate_err - convert a date-plus-time string to broken-down time
 * getdate_r - convert a date-plus-time string to broken-down time
 * getdelim - delimited string input
 * getdents - get directory entries
 * getdents64 - get directory entries
 * getdirentries - get directory entries in a filesystem-independent format
 * getdtablesize - get file descriptor table size
 * getdtablesize - get file descriptor table size
 * geteltorito - an El Torito boot image extractor
 * getent - get entries from Name Service Switch libraries
 * getentropy - fill a buffer with random bytes
 * getenv - get an environment variable
 * getfattr - get extended attributes of filesystem objects
 * getfsent - handle fstab entries
 * getfsfile - handle fstab entries
 * getfsspec - handle fstab entries
 * getgrent - get group file entry
 * getgrent_r - get group file entry reentrantly
 * gethostid - get or set the unique identifier of the current host
 * gethostid - get or set the unique identifier of the current host
 * gethostip - convert an IP address into various formats
 * getifaddrs - get interface addresses
 * getipnodebyaddr - get network hostnames and addresses
 * getipnodebyname - get network hostnames and addresses
 * getkeycodes - print kernel scancode-to-keycode mapping table
 * getline - delimited string input
 * getmntent - get filesystem descriptor file entry
 * getmntent_r - get filesystem descriptor file entry
 * getnameinfo - address-to-name translation in protocol-independent manner
 * getnetbyaddr_r - get network entry (reentrant)
 * getnetbyname_r - get network entry (reentrant)
 * getnetent_r - get network entry (reentrant)
 * getnetgrent - handle network group entries
 * getnetgrent_r - handle network group entries
 * getopt - parse command options (enhanced)
 * getopt - Parse command-line options
 * getopt_long - Parse command-line options
 * getopt_long_only - Parse command-line options
 * getpriority - get/set program scheduling priority
 * getprotobyname_r - get protocol entry (reentrant)
 * getprotobynumber_r - get protocol entry (reentrant)
 * getprotoent_r - get protocol entry (reentrant)
 * getpt - open the pseudoterminal master (PTM)
 * getpw - reconstruct password line entry
 * getpwent_r - get passwd file entry reentrantly
 * getrandom - obtain a series of random bytes
 * getresgid - get real, effective and saved user/group IDs
 * getresgid32 - get real, effective and saved user/group IDs
 * getresuid - get real, effective and saved user/group IDs
 * getresuid32 - get real, effective and saved user/group IDs
 * getrlimit - get/set resource limits
 * getrpcbyname_r - get RPC entry (reentrant)
 * getrpcbynumber_r - get RPC entry (reentrant)
 * getrpcent_r - get RPC entry (reentrant)
 * getrusage - get resource usage
 * gets - get a string from standard input (DEPRECATED)
 * getservbyname_r - get service entry (reentrant)
 * getservbyport_r - get service entry (reentrant)
 * getservent_r - get service entry (reentrant)
 * getsubopt - parse suboption arguments from a string
 * gettextize - install or upgrade gettext infrastructure
 * gettid - get thread identification
 * getumask - get file creation mask
 * getusershell - get permitted user shells
 * getutent - access utmp file entries
 * getutent_r - access utmp file entries
 * getutid - access utmp file entries
 * getutid_r - access utmp file entries
 * getutline - access utmp file entries
 * getutline_r - access utmp file entries
 * getutmp - copy utmp structure to utmpx, and vice versa
 * getutmpx - copy utmp structure to utmpx, and vice versa
 * getutxent - access utmp file entries
 * getutxid - access utmp file entries
 * getutxline - access utmp file entries
 * getwc - read a wide character from a FILE stream
 * getwchar - read a wide character from standard input
 * getwd - get current working directory
 * getxattr - retrieve an extended attribute value
 * gfdl (7gcc) - GNU Free Documentation License
 * ghostscript - Ghostscript (PostScript and PDF language interpreter and previewer)
 * gifdiff - compares GIF images
 * gimprc - gimp configuration file
 * gimprc-2.10 - gimp configuration file
 * ginstall-info - update info/dir entries
 * gio-querymodules - GIO module cache creation
 * gipddecode - Decode a GIPD stream into human readable form.
 * git-am - Apply a series of patches from a mailbox
 * git-archive - Create an archive of files from a named tree
 * git-bisect - Use binary search to find the commit that introduced a bug
 * git-blame - Show what revision and author last modified each line of a file
 * git-branch - List, create, or delete branches
 * git-bundle - Move objects and refs by archive
 * git-cat-file - Provide content or type and size information for repository objects
 * git-check-attr - Display gitattributes information
 * git-check-ignore - Debug gitignore / exclude files
 * git-check-mailmap - Show canonical names and email addresses of contacts
 * git-check-ref-format - Ensures that a reference name is well formed
 * git-checkout - Switch branches or restore working tree files
 * git-checkout-index - Copy files from the index to the working tree
 * git-cherry - Find commits yet to be applied to upstream
 * git-cherry-pick - Apply the changes introduced by some existing commits
 * git-clean - Remove untracked files from the working tree
 * git-clone - Clone a repository into a new directory
 * git-commit - Record changes to the repository
 * git-commit-graph - Write and verify Git commit-graph files
 * git-commit-tree - Create a new commit object
 * git-config - Get and set repository or global options
 * git-credential - Retrieve and store user credentials
 * git-credential-cache - Helper to temporarily store passwords in memory
 * git-credential-cache--daemon - Temporarily store user credentials in memory
 * git-credential-store - Helper to store credentials on disk
 * git-daemon - A really simple server for Git repositories
 * git-describe - Give an object a human readable name based on an available ref
 * git-diff - Show changes between commits, commit and working tree, etc
 * git-diff-files - Compares files in the working tree and the index
 * git-diff-index - Compare a tree to the working tree or index
 * git-diff-tree - Compares the content and mode of blobs found via two tree objects
 * git-fast-import - Backend for fast Git data importers
 * git-fetch - Download objects and refs from another repository
 * git-fetch-pack - Receive missing objects from another repository
 * git-filter-branch - Rewrite branches
 * git-for-each-ref - Output information on each ref
 * git-format-patch - Prepare patches for e-mail submission
 * git-fsck - Verifies the connectivity and validity of the objects in the database
 * git-fsck-objects - Verifies the connectivity and validity of the objects in the database
 * git-gc - Cleanup unnecessary files and optimize the local repository
 * git-get-tar-commit-id - Extract commit ID from an archive created using git-archive
 * git-grep - Print lines matching a pattern
 * git-hash-object - Compute object ID and optionally creates a blob from a file
 * git-http-fetch - Download from a remote Git repository via HTTP
 * git-http-push - Push objects over HTTP/DAV to another repository
 * git-index-pack - Build pack index file for an existing packed archive
 * git-init - Create an empty Git repository or reinitialize an existing one
 * git-init-db - Creates an empty Git repository
 * git-instaweb - Instantly browse your working repository in gitweb
 * git-interpret-trailers - Add or parse structured information in commit messages
 * git-ls-files - Show information about files in the index and the working tree
 * git-ls-remote - List references in a remote repository
 * git-ls-tree - List the contents of a tree object
 * git-mailinfo - Extracts patch and authorship from a single e-mail message
 * git-merge - Join two or more development histories together
 * git-merge-base - Find as good common ancestors as possible for a merge
 * git-merge-file - Run a three-way file merge
 * git-merge-tree - Show three-way merge without touching index
 * git-mergetool - Run merge conflict resolution tools to resolve merge conflicts
 * git-mergetool--lib - Common Git merge tool shell scriptlets
 * git-mktag - Creates a tag object
 * git-mktree - Build a tree-object from ls-tree formatted text
 * git-multi-pack-index - Write and verify multi-pack-indexes
 * git-mv - Move or rename a file, a directory, or a symlink
 * git-name-rev - Find symbolic names for given revs
 * git-pack-objects - Create a packed archive of objects
 * git-pack-redundant - Find redundant pack files
 * git-pack-refs - Pack heads and tags for efficient repository access
 * git-parse-remote - Routines to help parsing remote repository access parameters
 * git-prune - Prune all unreachable objects from the object database
 * git-prune-packed - Remove extra objects that are already in pack files
 * git-pull - Fetch from and integrate with another repository or a local branch
 * git-push - Update remote refs along with associated objects
 * git-quiltimport - Applies a quilt patchset onto the current branch
 * git-range-diff - Compare two commit ranges (e.g. two versions of a branch)
 * git-read-tree - Reads tree information into the index
 * git-rebase - Reapply commits on top of another base tip
 * git-receive-pack - Receive what is pushed into the repository
 * git-reflog - Manage reflog information
 * git-remote - Manage set of tracked repositories
 * git-remote-ext - Bridge smart transport to external command.
 * git-remote-fd - Reflect smart transport stream back to caller
 * git-repack - Pack unpacked objects in a repository
 * git-replace - Create, list, delete refs to replace objects
 * git-request-pull - Generates a summary of pending changes
 * git-rerere - Reuse recorded resolution of conflicted merges
 * git-reset - Reset current HEAD to the specified state
 * git-restore - Restore working tree files
 * git-rev-list - Lists commit objects in reverse chronological order
 * git-rev-parse - Pick out and massage parameters
 * git-revert - Revert some existing commits
 * git-rm - Remove files from the working tree and from the index
 * git-send-pack - Push objects over Git protocol to another repository
 * git-sh-i18n - Git's i18n setup code for shell scripts
 * git-sh-setup - Common Git shell script setup code
 * git-shell - Restricted login shell for Git-only SSH access
 * git-shortlog - Summarize 'git log' output
 * git-show - Show various types of objects
 * git-show-index - Show packed archive index
 * git-show-ref - List references in a local repository
 * git-sparse-checkout - Initialize and modify the sparse-checkout configuration, which ...
 * git-stage - Add file contents to the staging area
 * git-stash - Stash the changes in a dirty working directory away
 * git-status - Show the working tree status
 * git-stripspace - Remove unnecessary whitespace
 * git-subtree - Merge subtrees together and split repository into subtrees
 * git-symbolic-ref - Read, modify and delete symbolic refs
 * git-tag - Create, list, delete or verify a tag object signed with GPG
 * git-unpack-file - Creates a temporary file with a blob's contents
 * git-unpack-objects - Unpack objects from a packed archive
 * git-update-index - Register file contents in the working tree to the index
 * git-update-ref - Update the object name stored in a ref safely
 * git-update-server-info - Update auxiliary info file to help dumb servers
 * git-upload-archive - Send archive back to git-archive
 * git-var - Show a Git logical variable
 * git-verify-commit - Check the GPG signature of commits
 * git-verify-pack - Validate packed Git archive files
 * git-verify-tag - Check the GPG signature of tags
 * git-web--browse - Git helper script to launch a web browser
 * git-whatchanged - Show logs with difference each commit introduces
 * git-worktree - Manage multiple working trees
 * git-write-tree - Create a tree object from the current index
 * gitattributes - Defining attributes per path
 * gitcore-tutorial - A Git core tutorial for developers
 * gitcredentials - providing usernames and passwords to Git
 * gitcvs-migration - Git for CVS users
 * gitdiffcore - Tweaking diff output
 * gitignore - Specifies intentionally untracked files to ignore
 * gitremote-helpers - Helper programs to interact with remote repositories
 * gitrepository-layout - Git Repository Layout
 * gitrevisions - Specifying revisions and ranges for Git
 * gitsubmodules - Mounting one repository inside another
 * gittutorial - A tutorial introduction to Git
 * gittutorial-2 - A tutorial introduction to Git: part two
 * gitweb - Git web interface (web frontend to Git repositories)
 * gitworkflows - An overview of recommended workflows with Git
 * Glib (3pm) - Perl wrappers for the GLib utility and Object libraries
 * Glib::BookmarkFile (3pm)- Parser for bookmark files
 * Glib::Boxed (3pm) - Generic wrappers for C structures
 * Glib::Bytes (3pm) - Wrappers for bytes objects in GLib
 * Glib::Error (3pm) - Exception Objects based on GError
 * Glib::Flags (3pm) - methods and overloaded operators for flags
 * Glib::index (3pm) - API Reference Pod Index
 * Glib::KeyFile (3pm) - Parser for .ini-like files
 * Glib::MainLoop (3pm)- An event source manager
 * Glib::Object::Introspection (3pm)- Dynamically create Perl language bindings
 * Glib::Object::Subclass (3pm)- register a perl class as a GObject class
 * Glib::OptionContext (3pm)- defines options accepted by the commandline option parser
 * Glib::OptionGroup (3pm)- group of options for command line option parsing
 * Glib::Param::Boolean (3pm)- Wrapper for boolean parameters in GLib
 * Glib::Param::Double (3pm)- Wrapper for double parameters in GLib
 * Glib::Param::Enum (3pm)- Wrapper for enum parameters in GLib
 * Glib::Param::Flags (3pm)- Wrapper for flag parameters in GLib
 * Glib::Param::GType (3pm)- Wrapper for type parameters in GLib
 * Glib::Param::Int64 (3pm)- Wrapper for int64 parameters in GLib
 * Glib::Param::String (3pm)- Wrapper for string parameters in GLib
 * Glib::Param::UInt (3pm)- Wrapper for uint parameters in GLib
 * Glib::Param::UInt64 (3pm)- Wrapper for uint64 parameters in GLib
 * Glib::Param::Unichar (3pm)- Wrapper for unichar parameters in GLib
 * Glib::ParamSpec (3pm)- encapsulates metadate needed to specify parameters
 * Glib::ParseXSDoc (3pm)- Parse POD and XSub declarations from XS files.
 * Glib::Variant (3pm) - strongly typed value datatype
 * Glib::VariantDict (3pm)- Utilities for dealing with the GVariantDict mutable interface t...
 * Glib::VariantType (3pm)- Utilities for dealing with the GVariant type system
 * Glib::version (3pm) - Library Versioning Utilities
 * Glib::xsapi (3pm) - internal API reference for GPerl.
 * glibc - overview of standard C libraries on Linux
 * glob - find pathnames matching a pattern, free memory from glob
 * globfree - find pathnames matching a pattern, free memory from glob
 * glxgears - ``gears'' demo for GLX
 * glxheads - exercise multiple GLX connections
 * glyrc - search engine for music-related metadata
 * gml2gv - GML-DOT converters
 * gnome-keyring - The gnome-keyring commandline tool
 * gnome-keyring-3 - The gnome-keyring commandline tool
 * gnome-keyring-daemon - The gnome-keyring daemon
 * gnome-screenshot - capture the screen, a window, or an user-defined area and save the...
 * gnome-session-quit - End the current GNOME session
 * gnu_get_libc_release - get glibc version and release
 * gnu_get_libc_version - get glibc version and release
 * gnupg - The GNU Privacy Guard suite of programs
 * gpg-agent - Secret key management for GnuPG
 * gpg-preset-passphrase - Put a passphrase into gpg-agent's cache
 * gpg-zip - encrypt or sign files into an archive
 * gpgcompose - Generate a stream of OpenPGP packets
 * gpgconf - Modify .gnupg home directories
 * gpgparsemail - Parse a mail message into an annotated format
 * gpgtar - Encrypt or sign files into an archive
 * gpgv - Verify OpenPGP signatures
 * gpic - compile pictures for troff or TeX
 * gprename - complete batch renamer for Linux
 * gprof - display call graph profile data
 * grantpt - grant access to the slave pseudoterminal
 * graphviz - rich set of graph drawing tools
 * grep - print lines that match patterns
 * grep-aptavail - grep Debian control files
 * grep-available - grep Debian control files
 * grep-dctrl - grep Debian control files
 * grep-debtags - grep Debian control files
 * grep-status - grep Debian control files
 * grepdiff - show files modified by a diff containing a regex
 * grepjar - search files in a jar file for a pattern
 * gresource - GResource tool
 * grops - PostScript driver for groff
 * grotty - groff driver for typewriter-like devices
 * groupadd - create a new group
 * groupmems - administer members of a user's primary group
 * groups - print the groups a user is in
 * growisofs - combined genisoimage frontend/DVD recording program.
 * grpck - verify integrity of group files
 * grub-fstest - debug tool for GRUB filesystem drivers
 * grub-macbless - bless a mac file/directory
 * grub-mknetdir - prepare a GRUB netboot directory.
 * grub-mkrelpath - make a system path relative to its root
 * grub-mkrescue - make a GRUB rescue image
 * grub-reboot - set the default boot entry for GRUB, for the next boot only
 * grub-render-label - generate a .disk_label for Apple Macs.
 * grub-script-check - check grub.cfg for syntax errors
 * gs - Ghostscript (PostScript and PDF language interpreter and previewer)
 * gsbj - Format and print text for BubbleJet printer using ghostscript
 * gsdj - Format and print text for DeskJet printer using ghostscript
 * gsdj500 - Format and print text for DeskJet 500 BubbleJet using ghostscript
 * gsignal - software signal facility
 * gslj - Format and print text for LaserJet printer using ghostscript
 * gslp - Format and print text using ghostscript
 * gsnd - Run ghostscript (PostScript and PDF engine) without display
 * gst-device-monitor-1.0 - Simple command line testing tool for GStreamer device monitors
 * gst-discoverer-1.0 - Display file metadata and stream information
 * gst-inspect-1.0 - print info about a GStreamer plugin or element
 * gst-launch-1.0 - build and run a GStreamer pipeline
 * gst-typefind-1.0 - print Media type of file
 * gtk-encode-symbolic-svg - Symbolic icon conversion utility
 * gtk-query-immodules-2.0 - Input method module registration utility
 * gtk-query-immodules-3.0 - Input method module registration utility
 * gtk-query-settings - Utility to print name and value of all GtkSettings properties
 * Gtk3 (3pm) - Perl interface to the 3.x series of the gtk+ toolkit
 * gts2xyz - samples a GTS file on a regular grid at intervals DX.
 * gtscheck - checks that a surface defines a closed, orientable non self-inters...
 * gtscompare - compare two GTS files.
 * gtstemplate - generates of a template used to create new object classes.
 * gunzip - compress or expand files
 * gv2gml - GML-DOT converters
 * gv2gxl - GXL-GV converters
 * gvcolor - flow colors through a ranked digraph
 * gvfs-rename - (unknown subject)
 * gvfs-set-attribute - (unknown subject)
 * gvfs-tree - (unknown subject)
 * gvmap - find clusters and create a geographical map highlighting clusters.
 * gxl2dot - GXL-GV converters
 * gxl2gv - GXL-GV converters
 * gzexe - compress executable files in place
 * gzip - compress or expand files
 * h_errno - get network host entry
 * halt - Halt, power-off or reboot the machine
 * happrox - returns a simplified triangulation of a set of points using algori...
 * hasmntopt - get filesystem descriptor file entry
 * hbpldecode - Decode a HBPL stream into human readable form.
 * hciattach - attach serial devices via UART HCI to BlueZ stack
 * hciconfig - configure Bluetooth devices
 * hcitool - configure Bluetooth connections
 * hcreate - hash table management
 * hcreate_r - hash table management
 * hddtemp - Utility to monitor hard drive temperature
 * hdparm - get/set SATA/IDE device parameters
 * head - output the first part of files
 * helpztags - generate the help tags file for directory
 * herror - get network host entry
 * hex2hcd - Broadcom Bluetooth firmware converter
 * hexchat - IRC Client
 * hier - description of the filesystem hierarchy
 * hipercdecode - Decode a HIPERC stream into human readable form.
 * hipstopgm - convert a HIPS file into a portable graymap
 * history (3readline) - GNU History Library
 * host.conf - resolver configuration file
 * hostid - print the numeric identifier for the current host
 * hostname - hostname resolution description
 * hosts.equiv - list of hosts and users that are granted "trusted" r command acces...
 * hp-align - Printer Cartridge Alignment Utility
 * hp-check - Dependency/Version Check Utility
 * hp-clean - Printer Printhead Cleaning Utility
 * hp-colorcal - Printer Cartridge Color Calibration Utility
 * hp-config_usb_printer - HP device config using USB
 * hp-firmware - Firmware Download Utility
 * hp-logcapture - HPLIP logs capture Utility
 * hp-makeuri - Device URI Creation Utility
 * hp-probe - Printer Discovery Utility
 * hp-setup - Printer/Fax Setup Utility
 * hp-testpage - Testpage Print Utility
 * hpsa - HP Smart Array SCSI driver
 * hsearch - hash table management
 * hsearch_r - hash table management
 * hstrerror - get network host entry
 * HTML::AsSubs (3pm) - functions that construct a HTML syntax tree
 * HTML::Element (3pm) - Class for objects that represent HTML elements
 * HTML::Element::traverse (3pm)- discussion of HTML::Element's traverse method
 * HTML::Entities (3pm)- Encode or decode strings with HTML entities
 * HTML::Filter (3pm) - Filter HTML text through the parser
 * HTML::Form (3pm) - Class that represents an HTML form element
 * HTML::FormatPS (3pm)- Format HTML as PostScript
 * HTML::Formatter (3pm)- Base class for HTML formatters
 * HTML::HeadParser (3pm)- Parse  section of a HTML document
 * HTML::Parse (3pm) - Deprecated, a wrapper around HTML::TreeBuilder
 * HTML::Parser (3pm) - HTML parser class
 * HTML::PullParser (3pm)- Alternative HTML::Parser interface
 * HTML::Tagset (3pm) - data tables useful in parsing HTML
 * HTML::TokeParser (3pm)- Alternative HTML::Parser interface
 * HTML::Tree (3pm) - build and scan parse-trees of HTML
 * HTML::Tree::AboutObjects (3pm)-- article: "User's View of Object-Oriented Modules"
 * HTML::Tree::AboutTrees (3pm)-- article on tree-shaped data structures in Perl
 * HTML::Tree::Scanning (3pm)-- article: "Scanning HTML"
 * HTML::TreeBuilder (3pm)- Parser that builds a HTML syntax tree
 * htmltree (1p) - Parse the given HTML file and dump the parse tree
 * HTTP::Config (3pm) - Configuration for request and response objects
 * HTTP::Cookies (3pm) - HTTP cookie jars
 * HTTP::Date (3pm) - HTTP::Date- date conversion routines
 * HTTP::Headers (3pm) - Class encapsulating HTTP Message headers
 * HTTP::Headers::Util (3pm)- Header value parsing utility functions
 * HTTP::Negotiate (3pm)- choose a variant to serve
 * HTTP::Request (3pm) - HTTP style request message
 * HTTP::Request::Common (3pm)- Construct common HTTP::Request objects
 * HTTP::Response (3pm)- HTTP style response message
 * httxt2dbm - Generate dbm files for use with RewriteMap
 * hwclock - variables that affect the behaviour of the hwclock boot script
 * hwdb - Hardware Database
 * i386 - change reported architecture in new program environment and/or set...
 * iceauth - ICE authority file utility
 * icmp - Linux IPv4 ICMP kernel module.
 * iconv - perform character set conversion
 * iconv_close - deallocate descriptor for character set conversion
 * iconv_open - allocate descriptor for character set conversion
 * iconvconfig - create iconv module configuration cache
 * id - print real and effective user and group IDs
 * identify - describes the format and characteristics of one or more image files.
 * identify-im6 - describes the format and characteristics of one or more image files.
 * identify-im6.q16 - describes the format and characteristics of one or more image files.
 * idevice_id - Prints device name or a list of attached devices.
 * idevicebackup - Create or restore backup for devices.
 * idevicebackup2 - Create or restore backups for devices running iOS 4 or later.
 * idevicecrashreport - Retrieve crash reports from a device.
 * idevicedate - Display the current date or set it on a device.
 * idevicedebugserverproxy - Remote debugging proxy.
 * ideviceenterrecovery - Make a device enter recovery mode.
 * ideviceinfo - Show information about the first connected device.
 * idevicepair - Manage host pairings with devices and usbmuxd.
 * ideviceprovision - Manage provisioning profiles on a device.
 * idevicescreenshot - Gets a screenshot from the connected device.
 * idevicesyslog - Relay syslog of a connected device.
 * if_freenameindex - get network interface names and indexes
 * ifcfg - simplistic script which replaces ifconfig IP management
 * ifconfig - configure a network interface
 * ifdata - get network interface info without parsing ifconfig output
 * ifquery - parse interface configuration
 * ifup - bring a network interface up
 * ifuse - Mount directories of an iOS device locally using fuse.
 * ImageMagick-im6.q16 - is a free software suite for the creation, modification and dis...
 * imagetops - generic image to ps filter
 * imaxdiv - compute quotient and remainder of an integer division
 * img2txt - convert images to various text-based coloured files
 * import - saves any visible window on an X server and outputs it as an image...
 * import-im6 - saves any visible window on an X server and outputs it as an image...
 * import-im6.q16 - saves any visible window on an X server and outputs it as an image...
 * index - locate character in string
 * inet - Internet address manipulation routines
 * inet_addr - Internet address manipulation routines
 * inet_aton - Internet address manipulation routines
 * inet_lnaof - Internet address manipulation routines
 * inet_makeaddr - Internet address manipulation routines
 * inet_net_ntop - Internet network number conversion
 * inet_net_pton - Internet network number conversion
 * inet_netof - Internet address manipulation routines
 * inet_network - Internet address manipulation routines
 * inet_ntoa - Internet address manipulation routines
 * inet_ntop - convert IPv4 and IPv6 addresses from binary to text form
 * inet_pton - convert IPv4 and IPv6 addresses from text to binary form
 * info - read Info documents
 * info - readable online documentation
 * infobrowser - read Info documents
 * infocmp - compare or print out terminfo descriptions
 * infotocap - convert a terminfo description into a termcap description
 * init-d-script - interpreter for short and simple init.d scripts
 * initramfs-tools - an introduction to writing scripts for mkinitramfs
 * initstate - random number generator
 * initstate_r - reentrant random number generator
 * innetgr - handle network group entries
 * inotify - monitoring filesystem events
 * inotify_rm_watch - remove an existing watch from an inotify instance
 * inputattach - attach a serial line to an input-layer device
 * insque - insert/remove an item from a queue
 * install - copy files and set attributes
 * install-info - update info/dir entries
 * integritysetup - manage dm-integrity (block level integrity) volumes
 * intel-virtual-output - Utility for connecting the Integrated Intel GPU to discrete ou...
 * interdiff - show differences between two diff files
 * intro - introduction to library functions
 * intro - introduction to administration and privileged commands
 * invoke-rc.d - executes System-V style init script actions
 * inxi - Command line system information script for console and IRC
 * IO::Async (3pm) - Asynchronous event-driven programming
 * IO::Async::Handle (3pm)- event callbacks for a non-blocking file descriptor
 * IO::Async::Loop (3pm)- core loop of the "IO::Async" framework
 * IO::Async::Routine (3pm)- execute code in an independent sub-process or thread
 * IO::Async::Signal (3pm)- event callback on receipt of a POSIX signal
 * IO::Async::Socket (3pm)- event callbacks and send buffering for a socket filehandle
 * IO::Async::Test (3pm)- utility functions for use in test scripts
 * IO::Async::Timer (3pm)- base class for Notifiers that use timed delays
 * IO::Async::Timer::Absolute (3pm)- event callback at a fixed future time
 * IO::HTML (3pm) - Open an HTML file with automatic charset detection
 * IO::Pty (3pm) - Pseudo TTY object class
 * IO::Socket::Socks (3pm)- Provides a way to create socks client or server both 4 and 5 ve...
 * IO::Socket::SSL::Intercept (3pm)-- SSL interception (man in the middle)
 * IO::Socket::SSL::PublicSuffix (3pm)- provide access to Mozilla's list of effective TLD n...
 * IO::Socket::SSL::Utils (3pm)-- loading, storing, creating certificates and keys
 * IO::String (3pm) - Emulate file interface for in-core strings
 * IO::Tty (3pm) - Low-level allocate a pseudo-Tty, import constants.
 * io_getevents - read asynchronous I/O events from the completion queue
 * io_setup - create an asynchronous I/O context
 * ioctl_ficlone - share some the data of one file with another file
 * ioctl_ficlonerange - share some the data of one file with another file
 * ioctl_fideduperange - share some the data of one file with another file
 * ioctl_getfsmap - retrieve the physical layout of the filesystem
 * ioctl_tty - ioctls for terminals and serial lines
 * ioctl_userfaultfd - create a file descriptor for handling page faults in user space
 * ionice - set or get process I/O scheduling class and priority
 * iopl - change I/O privilege level
 * ioprio_get - get/set I/O scheduling class and priority
 * ioprio_set - get/set I/O scheduling class and priority
 * ip - Linux IPv4 protocol implementation
 * ip-address - protocol address management
 * ip-addrlabel - protocol address label management
 * ip-fou - Foo-over-UDP receive port configuration
 * ip-gue - Generic UDP Encapsulation receive port configuration
 * ip-l2tp - L2TPv3 static unmanaged tunnel configuration
 * ip-maddress - multicast addresses management
 * ip-monitor - state monitoring
 * ip-netconf - network configuration monitoring
 * ip-sr - IPv6 Segment Routing management
 * ip-tcp_metrics - management for TCP Metrics
 * ip6tables - administration tool for IPv4/IPv6 packet filtering and NAT
 * ip6tables-apply - a safer way to update iptables remotely
 * ip6tables-legacy-restore - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-nft-restore - iptables using nftables kernel api
 * ip6tables-restore - Restore IPv6 Tables
 * ip6tables-restore-translate - translation tool to migrate from iptables to nftables
 * IPC::Run (3pm) - system and background procs w/ piping, redirs, ptys (Unix, Win32)
 * ipcmk - make various IPC resources
 * ipcrm - remove certain IPC resources
 * ippeveprinter - an ipp everywhere printer application for cups
 * ippfind - find internet printing protocol printers
 * ipptool - perform internet printing protocol requests
 * ippusbxd - Communication driver for IPP-over-USB class printers
 * iptables - administration tool for IPv4/IPv6 packet filtering and NAT
 * iptables-apply - a safer way to update iptables remotely
 * iptables-extensions - list of extensions in the standard iptables distribution
 * iptables-legacy-restore - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-nft-restore - iptables using nftables kernel api
 * iptables-restore - Restore IP Tables
 * iptables-restore-translate - translation tool to migrate from iptables to nftables
 * iptunnel - Create and manage IP tunnels
 * ipv6 - Linux IPv6 protocol implementation
 * irqbalance - distribute hardware interrupts across processors on a multiprocess...
 * iruserok - routines for returning a stream to a remote command
 * iruserok_af - routines for returning a stream to a remote command
 * isadump - examine ISA registers
 * isaset - set ISA registers
 * isastream - unimplemented system calls
 * isatty - test whether a file descriptor refers to a terminal
 * isfdtype - test file type of a file descriptor
 * isgreater - floating-point relational tests without exception for NaN
 * isgreaterequal - floating-point relational tests without exception for NaN
 * isless - floating-point relational tests without exception for NaN
 * islessequal - floating-point relational tests without exception for NaN
 * islessgreater - floating-point relational tests without exception for NaN
 * isodump - Utility programs for dumping and verifying iso9660 images.
 * isohybrid - Post-process an ISO 9660 image for booting as a hard disk.
 * isohybrid.pl - Postprocess ISO images for hybrid mode (Perl)
 * isoinfo - Utility programs for dumping and verifying iso9660 images.
 * isovfy - Utility programs for dumping and verifying iso9660 images.
 * isprint - character classification functions
 * isprint_l - character classification functions
 * issue - prelogin message and identification file
 * isunordered - floating-point relational tests without exception for NaN
 * isutf8 - check whether files are valid UTF-8
 * iswalnum - test for alphanumeric wide character
 * iswlower - test for lowercase wide character
 * iswprint - test for printing wide character
 * iswupper - test for uppercase wide character
 * iw - show / manipulate wireless devices and their configuration
 * iwconfig - configure a wireless network interface
 * iwevent - Display Wireless Events generated by drivers and setting changes
 * iwgetid - Report ESSID, NWID or AP/Cell Address of wireless network
 * iwlist - Get more detailed wireless information from a wireless interface
 * iwpriv - configure optionals (private) parameters of a wireless network int...
 * iwspy - Get wireless statistics from specific nodes
 * j0 - Bessel functions of the first kind
 * j0f - Bessel functions of the first kind
 * j0l - Bessel functions of the first kind
 * j1 - Bessel functions of the first kind
 * j1f - Bessel functions of the first kind
 * j1l - Bessel functions of the first kind
 * jar - Manipulates Java Archive (JAR) files.
 * jarsigner - Signs and verifies Java Archive (JAR) files.
 * jarwrapper - wrapper script to run jar files via binfmt.
 * java-wrappers - capacities shared by java wrapper scripts
 * javac - Reads Java class and interface definitions and compiles them into ...
 * javadoc - Generates HTML pages of API documentation from Java source files.
 * javap - Disassembles one or more class files.
 * jcmd - Sends diagnostic command requests to a running Java Virtual Machin...
 * jfs_fsck - initiate replay of the JFS transaction log, and check and repair a...
 * jfs_mkfs - create a JFS formatted partition
 * jfs_tune - adjust tunable file system parameters on JFS
 * jinfo - Generates configuration information. This command is experimental ...
 * jmap - Prints shared object memory maps or heap memory details for a proc...
 * jn - Bessel functions of the first kind
 * jnf - Bessel functions of the first kind
 * jnl - Bessel functions of the first kind
 * join-dctrl - perform relational join on data in dctrl format
 * jpegexiforient - reads or writes the Exif Orientation Tag
 * jpegtopnm - convert JPEG/JFIF file to portable pixmap or graymap
 * jpgicc - little cms ICC profile applier for JPEG.
 * jps - Lists the instrumented Java Virtual Machines (JVMs) on the target ...
 * jrand48 - generate uniformly distributed pseudo-random numbers
 * jrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * jrunscript - Runs a command-line script shell that supports interactive and bat...
 * jstack - Prints Java thread stack traces for a Java process, core file, or ...
 * jstat - Monitors Java Virtual Machine (JVM) statistics. This command is ex...
 * jstatd - Monitors Java Virtual Machines (JVMs) and enables remote monitorin...
 * JxrEncApp - JPEG XR Encoder Utility
 * kbd_mode - report or set the keyboard mode
 * kbdrate - reset the keyboard repeat rate and delay time
 * kbuildsycoca5 - Rebuilds the KService desktop file system configuration cache.
 * kcmp - compare two processes to determine if they share a kernel resource
 * kernel-command-line - Kernel command line parameters
 * kernel-install - Add and remove kernel and initramfs images to and from /boot
 * key.dns_resolver - upcall for request-key to handle dns_resolver keys
 * key_secretkey_is_set - interfaces to rpc keyserver daemon
 * key_setsecret - interfaces to rpc keyserver daemon
 * keymaps - keyboard table descriptions for loadkeys and dumpkeys
 * keyring - Python-Keyring command-line utility
 * keyrings - in-kernel key management and retention facility
 * keytool - Manages a keystore (database) of cryptographic keys, X.509 certifi...
 * kf5-config - Prints Qt(TM) and Frameworks installation paths
 * klogctl - read and/or clear kernel message ring buffer; set console_loglevel
 * kpartx - Create device maps from partition tables.
 * l2ping - Send L2CAP echo request and receive answer
 * lame - create mp3 audio files
 * last - show a listing of last logged in users
 * lastb - show a listing of last logged in users
 * lastcomm - print out information about previously executed commands.
 * lastlog - reports the most recent login of all users or of a given user
 * lavadecode - Decode a LAVAFLOW stream into human readable form.
 * lcf - Determine which of the historical versions of a config is installed
 * lchown - change ownership of a file
 * lchown32 - change ownership of a file
 * lcong48 - generate uniformly distributed pseudo-random numbers
 * lcong48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * ldattach - attach a line discipline to a serial line
 * ldconfig - configure dynamic linker run-time bindings
 * ldd - print shared object dependencies
 * ldiv - compute quotient and remainder of an integer division
 * less - opposite of more
 * lessecho - expand metacharacters
 * lessfile - "input preprocessor" for less.
 * lesspipe - "input preprocessor" for less.
 * lexgrog - parse header information in man pages
 * lfind - linear search of an array
 * lgetxattr - retrieve an extended attribute value
 * libc - overview of standard C libraries on Linux
 * libinput - libinput-based X.Org input driver
 * libmaxminddb - a library for working with MaxMind DB files
 * libnetcfg - configure libnet
 * libnetlink - A library for accessing the netlink service
 * libnss_myhostname.so.2 - Provide hostname resolution for the locally configured syste...
 * libnss_systemd.so.2 - Provide UNIX user and group name resolution for user/group look...
 * libreoffice - LibreOffice office suite
 * libsmbclient - An extension library for browsers and that can be used as a generi...
 * libtoolize - Prepare a package to use libtool
 * libwww::lwptut (3pm)-- An LWP Tutorial
 * link - call the link function to create a link to a file
 * lintian-info - give detailed information about Lintian's error tags
 * Lintian::Architecture -- Lintian API for handling architectures and wildcards
 * Lintian::Check::Info - Check script meta data
 * Lintian::Deb822Parser - Lintian's generic Deb822 parser functions
 * Lintian::File::Path - Lintian representation of a path entry in a package
 * Lintian::Index - access to collected data about the upstream (orig) sources
 * Lintian::Index::Control::Scripts - information about maintainer scripts.
 * Lintian::Index::Orig -- An index of an upstream (orig) file set
 * Lintian::Index::Scripts - information about scripts.
 * Lintian::Index::Strings - strings in binary files.
 * Lintian::Inspect::Changelog -- Parse a literal version string into its constituents
 * Lintian::Inspect::Changelog::Entry - represents one entry in a Debian changelog
 * Lintian::Inspect::Changelog::Version -- Parse a literal version string into its cons...
 * Lintian::Maintainer -- Lintian checks shared between multiple scripts
 * Lintian::Processable::Binary::Copyright - collect copyright information
 * Lintian::Processable::Binary::Relation - Lintian interface to binary package data col...
 * Lintian::Processable::Changelog::Version - Lintian interface to source package data c...
 * Lintian::Processable::Installed - access to collected data about the upstream (orig) ...
 * Lintian::Processable::IsNonFree - Lintian interface to source package data collection
 * Lintian::Processable::Orig - access to collected data about the upstream (orig) sources
 * Lintian::Processable::Overrides - access to override data
 * Lintian::Processable::Patched - access to sources with Debian patches applied
 * Lintian::Processable::Source -- A dsc source package Lintian can process
 * Lintian::Processable::Source::Diffstat - collect diffstat information
 * Lintian::Processable::Source::Fields - Lintian interface to source package data colle...
 * Lintian::Processable::Source::Format - Lintian interface to source format
 * Lintian::Processable::Source::Relation - Lintian interface to source package data col...
 * Lintian::Processable::Source::Repacked - Lintian interface to source package data col...
 * Lintian::Profile - Profile parser for Lintian
 * Lintian::Relation - Lintian operations on dependencies and relationships
 * Lintian::Relation::Version - Comparison operators on Debian versions
 * Lintian::Reporting::ResourceManager -- A simple resource manager for html_reports
 * Lintian::Reporting::Util - Lintian utility functions
 * Lintian::Spelling -- Lintian spell checks shared between multiple scripts
 * Lintian::Tag::Bearer -- Facilities for objects receiving Lintian tags
 * Lintian::Tutorial -- The newcomer's guide to Lintian
 * Lintian::Tutorial::TestSuite -- Quick intro to running the Lintian testsuite
 * Lintian::Tutorial::WritingChecks -- Writing checks for Lintian
 * Lintian::Tutorial::WritingTests -- Short tutorial on writing tests
 * linux-check-removal - check whether removal of a kernel is safe
 * linux-version - operate on Linux kernel version strings
 * linux32 - change reported architecture in new program environment and/or set...
 * linux64 - change reported architecture in new program environment and/or set...
 * lio_listio - initiate a list of I/O requests
 * lirc - lirc devices
 * list (1ssl) - list algorithms and features
 * List::Compare (3pm) - Compare elements of two or more lists
 * List::Compare::Base::_Auxiliary (3pm)- Internal use only
 * List::Compare::Base::_Engine (3pm)- Internal use only
 * List::Compare::Functional (3pm)- Compare elements of two or more lists
 * List::MoreUtils (3pm)- Provide the stuff missing in List::Util
 * List::MoreUtils::Contributing (3pm)- Gives rough introduction into contributing to List:...
 * List::MoreUtils::PP (3pm)- Provide List::MoreUtils pure Perl implementation
 * List::MoreUtils::XS (3pm)- Provide compiled List::MoreUtils functions
 * LIST_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail queue...
 * LIST_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * listres - list resources in widgets
 * listxattr - list extended attribute names
 * lldiv - compute quotient and remainder of an integer division
 * llistxattr - list extended attribute names
 * llrint - round to nearest integer
 * llrintf - round to nearest integer
 * llrintl - round to nearest integer
 * llround - round to nearest integer
 * llroundf - round to nearest integer
 * llroundl - round to nearest integer
 * llseek - reposition read/write file offset
 * lobase - LibreOffice office suite
 * localc - LibreOffice office suite
 * locale - describes a locale definition file
 * locale - description of multilanguage support
 * Locale::gettext_dumb (3pm)- Locale unaware Implementation of Uniforum Message Translation
 * Locale::gettext_pp (3pm)- Pure Perl Implementation of Uniforum Message Translation
 * Locale::libintlFAQ (3pm)- Frequently asked questions for libintl-perl
 * Locale::Messages (3pm)- Gettext Like Message Retrieval
 * Locale::Recode (3pm)- Object-Oriented Portable Charset Conversion
 * Locale::Recode::_Aliases (3pm)- Internal Charset Alias Database for libintl-perl
 * Locale::Recode::_Conversions (3pm)- Internal Table of Known Conversions
 * Locale::RecodeData (3pm)- Abstract Base Class for Charset Converters
 * Locale::RecodeData::_Encode (3pm)- Internal wrapper around Encode
 * Locale::RecodeData::ASMO_449 (3pm)- Conversion routines for ASMO_449
 * Locale::RecodeData::ATARI_ST (3pm)- Conversion routines for ATARI-ST
 * Locale::RecodeData::ATARI_ST_EURO (3pm)- Conversion routines for ATARI-ST-EURO
 * Locale::RecodeData::CP10007 (3pm)- Conversion routines for CP10007
 * Locale::RecodeData::CP1250 (3pm)- Conversion routines for CP1250
 * Locale::RecodeData::CP1251 (3pm)- Conversion routines for CP1251
 * Locale::RecodeData::CP1252 (3pm)- Conversion routines for CP1252
 * Locale::RecodeData::CP1253 (3pm)- Conversion routines for CP1253
 * Locale::RecodeData::CP1254 (3pm)- Conversion routines for CP1254
 * Locale::RecodeData::CP1256 (3pm)- Conversion routines for CP1256
 * Locale::RecodeData::CP1257 (3pm)- Conversion routines for CP1257
 * Locale::RecodeData::CSN_369103 (3pm)- Conversion routines for CSN_369103
 * Locale::RecodeData::CWI (3pm)- Conversion routines for CWI
 * Locale::RecodeData::DEC_MCS (3pm)- Conversion routines for DEC_MCS
 * Locale::RecodeData::EBCDIC_AT_DE (3pm)- Conversion routines for EBCDIC_AT_DE
 * Locale::RecodeData::EBCDIC_AT_DE_A (3pm)- Conversion routines for EBCDIC_AT_DE_A
 * Locale::RecodeData::EBCDIC_CA_FR (3pm)- Conversion routines for EBCDIC_CA_FR
 * Locale::RecodeData::EBCDIC_DK_NO (3pm)- Conversion routines for EBCDIC_DK_NO
 * Locale::RecodeData::EBCDIC_DK_NO_A (3pm)- Conversion routines for EBCDIC_DK_NO_A
 * Locale::RecodeData::EBCDIC_ES (3pm)- Conversion routines for EBCDIC_ES
 * Locale::RecodeData::EBCDIC_ES_A (3pm)- Conversion routines for EBCDIC_ES_A
 * Locale::RecodeData::EBCDIC_ES_S (3pm)- Conversion routines for EBCDIC_ES_S
 * Locale::RecodeData::EBCDIC_FI_SE (3pm)- Conversion routines for EBCDIC_FI_SE
 * Locale::RecodeData::EBCDIC_FI_SE_A (3pm)- Conversion routines for EBCDIC_FI_SE_A
 * Locale::RecodeData::EBCDIC_FR (3pm)- Conversion routines for EBCDIC_FR
 * Locale::RecodeData::EBCDIC_IS_FRISS (3pm)- Conversion routines for EBCDIC_IS_FRISS
 * Locale::RecodeData::EBCDIC_IT (3pm)- Conversion routines for EBCDIC_IT
 * Locale::RecodeData::EBCDIC_PT (3pm)- Conversion routines for EBCDIC_PT
 * Locale::RecodeData::EBCDIC_UK (3pm)- Conversion routines for EBCDIC_UK
 * Locale::RecodeData::EBCDIC_US (3pm)- Conversion routines for EBCDIC_US
 * Locale::RecodeData::ECMA_CYRILLIC (3pm)- Conversion routines for ECMA_CYRILLIC
 * Locale::RecodeData::GEORGIAN_ACADEMY (3pm)- Conversion routines for GEORGIAN-ACADEMY
 * Locale::RecodeData::GEORGIAN_PS (3pm)- Conversion routines for GEORGIAN-PS
 * Locale::RecodeData::GOST_19768_74 (3pm)- Conversion routines for GOST_19768_74
 * Locale::RecodeData::GREEK7 (3pm)- Conversion routines for GREEK7
 * Locale::RecodeData::GREEK7_OLD (3pm)- Conversion routines for GREEK7_OLD
 * Locale::RecodeData::GREEK_CCITT (3pm)- Conversion routines for GREEK_CCITT
 * Locale::RecodeData::HP_ROMAN8 (3pm)- Conversion routines for HP_ROMAN8
 * Locale::RecodeData::IBM037 (3pm)- Conversion routines for IBM037
 * Locale::RecodeData::IBM038 (3pm)- Conversion routines for IBM038
 * Locale::RecodeData::IBM1004 (3pm)- Conversion routines for IBM1004
 * Locale::RecodeData::IBM1026 (3pm)- Conversion routines for IBM1026
 * Locale::RecodeData::IBM1047 (3pm)- Conversion routines for IBM1047
 * Locale::RecodeData::IBM256 (3pm)- Conversion routines for IBM256
 * Locale::RecodeData::IBM273 (3pm)- Conversion routines for IBM273
 * Locale::RecodeData::IBM274 (3pm)- Conversion routines for IBM274
 * Locale::RecodeData::IBM275 (3pm)- Conversion routines for IBM275
 * Locale::RecodeData::IBM277 (3pm)- Conversion routines for IBM277
 * Locale::RecodeData::IBM278 (3pm)- Conversion routines for IBM278
 * Locale::RecodeData::IBM280 (3pm)- Conversion routines for IBM280
 * Locale::RecodeData::IBM281 (3pm)- Conversion routines for IBM281
 * Locale::RecodeData::IBM284 (3pm)- Conversion routines for IBM284
 * Locale::RecodeData::IBM285 (3pm)- Conversion routines for IBM285
 * Locale::RecodeData::IBM290 (3pm)- Conversion routines for IBM290
 * Locale::RecodeData::IBM297 (3pm)- Conversion routines for IBM297
 * Locale::RecodeData::IBM420 (3pm)- Conversion routines for IBM420
 * Locale::RecodeData::IBM423 (3pm)- Conversion routines for IBM423
 * Locale::RecodeData::IBM424 (3pm)- Conversion routines for IBM424
 * Locale::RecodeData::IBM437 (3pm)- Conversion routines for IBM437
 * Locale::RecodeData::IBM500 (3pm)- Conversion routines for IBM500
 * Locale::RecodeData::IBM850 (3pm)- Conversion routines for IBM850
 * Locale::RecodeData::IBM851 (3pm)- Conversion routines for IBM851
 * Locale::RecodeData::IBM852 (3pm)- Conversion routines for IBM852
 * Locale::RecodeData::IBM855 (3pm)- Conversion routines for IBM855
 * Locale::RecodeData::IBM857 (3pm)- Conversion routines for IBM857
 * Locale::RecodeData::IBM860 (3pm)- Conversion routines for IBM860
 * Locale::RecodeData::IBM861 (3pm)- Conversion routines for IBM861
 * Locale::RecodeData::IBM862 (3pm)- Conversion routines for IBM862
 * Locale::RecodeData::IBM863 (3pm)- Conversion routines for IBM863
 * Locale::RecodeData::IBM864 (3pm)- Conversion routines for IBM864
 * Locale::RecodeData::IBM865 (3pm)- Conversion routines for IBM865
 * Locale::RecodeData::IBM866 (3pm)- Conversion routines for IBM866
 * Locale::RecodeData::IBM868 (3pm)- Conversion routines for IBM868
 * Locale::RecodeData::IBM869 (3pm)- Conversion routines for IBM869
 * Locale::RecodeData::IBM870 (3pm)- Conversion routines for IBM870
 * Locale::RecodeData::IBM871 (3pm)- Conversion routines for IBM871
 * Locale::RecodeData::IBM874 (3pm)- Conversion routines for IBM874
 * Locale::RecodeData::IBM875 (3pm)- Conversion routines for IBM875
 * Locale::RecodeData::IBM880 (3pm)- Conversion routines for IBM880
 * Locale::RecodeData::IBM891 (3pm)- Conversion routines for IBM891
 * Locale::RecodeData::IBM903 (3pm)- Conversion routines for IBM903
 * Locale::RecodeData::IBM904 (3pm)- Conversion routines for IBM904
 * Locale::RecodeData::IBM905 (3pm)- Conversion routines for IBM905
 * Locale::RecodeData::IBM918 (3pm)- Conversion routines for IBM918
 * Locale::RecodeData::IEC_P27_1 (3pm)- Conversion routines for IEC_P27_1
 * Locale::RecodeData::INIS (3pm)- Conversion routines for INIS
 * Locale::RecodeData::INIS_8 (3pm)- Conversion routines for INIS_8
 * Locale::RecodeData::INIS_CYRILLIC (3pm)- Conversion routines for INIS_CYRILLIC
 * Locale::RecodeData::ISO_10367_BOX (3pm)- Conversion routines for ISO_10367_BOX
 * Locale::RecodeData::ISO_2033_1983 (3pm)- Conversion routines for ISO_2033_1983
 * Locale::RecodeData::ISO_5427 (3pm)- Conversion routines for ISO_5427
 * Locale::RecodeData::ISO_5427_EXT (3pm)- Conversion routines for ISO_5427_EXT
 * Locale::RecodeData::ISO_5428 (3pm)- Conversion routines for ISO_5428
 * Locale::RecodeData::ISO_8859_1 (3pm)- Conversion routines for ISO-8859-1
 * Locale::RecodeData::ISO_8859_10 (3pm)- Conversion routines for ISO-8859-10
 * Locale::RecodeData::ISO_8859_11 (3pm)- Conversion routines for ISO-8859-11
 * Locale::RecodeData::ISO_8859_13 (3pm)- Conversion routines for ISO-8859-13
 * Locale::RecodeData::ISO_8859_14 (3pm)- Conversion routines for ISO-8859-14
 * Locale::RecodeData::ISO_8859_15 (3pm)- Conversion routines for ISO-8859-15
 * Locale::RecodeData::ISO_8859_16 (3pm)- Conversion routines for ISO-8859-16
 * Locale::RecodeData::ISO_8859_2 (3pm)- Conversion routines for ISO-8859-2
 * Locale::RecodeData::ISO_8859_3 (3pm)- Conversion routines for ISO-8859-3
 * Locale::RecodeData::ISO_8859_4 (3pm)- Conversion routines for ISO-8859-4
 * Locale::RecodeData::ISO_8859_5 (3pm)- Conversion routines for ISO-8859-5
 * Locale::RecodeData::ISO_8859_6 (3pm)- Conversion routines for ISO-8859-6
 * Locale::RecodeData::ISO_8859_7 (3pm)- Conversion routines for ISO-8859-7
 * Locale::RecodeData::ISO_8859_8 (3pm)- Conversion routines for ISO-8859-8
 * Locale::RecodeData::ISO_8859_9 (3pm)- Conversion routines for ISO-8859-9
 * Locale::RecodeData::KOI8_R (3pm)- Conversion routines for KOI8-R
 * Locale::RecodeData::KOI8_RU (3pm)- Conversion routines for KOI8-RU
 * Locale::RecodeData::KOI8_T (3pm)- Conversion routines for KOI8-T
 * Locale::RecodeData::KOI8_U (3pm)- Conversion routines for KOI8-U
 * Locale::RecodeData::KOI_8 (3pm)- Conversion routines for KOI-8
 * Locale::RecodeData::LATIN_GREEK (3pm)- Conversion routines for LATIN_GREEK
 * Locale::RecodeData::LATIN_GREEK_1 (3pm)- Conversion routines for LATIN_GREEK_1
 * Locale::RecodeData::MAC_IS (3pm)- Conversion routines for MAC-IS
 * Locale::RecodeData::MAC_SAMI (3pm)- Conversion routines for MAC-SAMI
 * Locale::RecodeData::MAC_UK (3pm)- Conversion routines for MAC-UK
 * Locale::RecodeData::MACARABIC (3pm)- Conversion routines for MACARABIC
 * Locale::RecodeData::MACCROATIAN (3pm)- Conversion routines for MACCROATIAN
 * Locale::RecodeData::MACCYRILLIC (3pm)- Conversion routines for MACCYRILLIC
 * Locale::RecodeData::MACGREEK (3pm)- Conversion routines for MACGREEK
 * Locale::RecodeData::MACHEBREW (3pm)- Conversion routines for MACHEBREW
 * Locale::RecodeData::MACICELAND (3pm)- Conversion routines for MACICELAND
 * Locale::RecodeData::MACINTOSH (3pm)- Conversion routines for MACINTOSH
 * Locale::RecodeData::MACROMANIA (3pm)- Conversion routines for MACROMANIA
 * Locale::RecodeData::MACTHAI (3pm)- Conversion routines for MACTHAI
 * Locale::RecodeData::MACTURKISH (3pm)- Conversion routines for MACTURKISH
 * Locale::RecodeData::MACUKRAINE (3pm)- Conversion routines for MACUKRAINE
 * Locale::RecodeData::NATS_DANO (3pm)- Conversion routines for NATS_DANO
 * Locale::RecodeData::NATS_SEFI (3pm)- Conversion routines for NATS_SEFI
 * Locale::RecodeData::NEXTSTEP (3pm)- Conversion routines for NEXTSTEP
 * Locale::RecodeData::SAMI_WS2 (3pm)- Conversion routines for SAMI_WS2
 * Locale::RecodeData::TIS_620 (3pm)- Conversion routines for TIS-620
 * Locale::RecodeData::US_ASCII (3pm)- Conversion routines for US-ASCII
 * Locale::RecodeData::UTF_8 (3pm)- Conversion routines for UTF-8
 * Locale::RecodeData::VISCII (3pm)- Conversion routines for VISCII
 * localeconv - get numeric formatting information
 * lockf - apply, test or remove a POSIX lock on an open file
 * lodraw - LibreOffice office suite
 * loffice - LibreOffice office suite
 * lofromtemplate - LibreOffice office suite
 * log - natural logarithmic function
 * log10 - base-10 logarithmic function
 * log10f - base-10 logarithmic function
 * log10l - base-10 logarithmic function
 * log1p - logarithm of 1 plus argument
 * log1pf - logarithm of 1 plus argument
 * log1pl - logarithm of 1 plus argument
 * log2 - base-2 logarithmic function
 * log2f - base-2 logarithmic function
 * log2l - base-2 logarithmic function
 * logf - natural logarithmic function
 * login - write utmp and wtmp entries
 * logl - natural logarithmic function
 * logname - print user's login name
 * logout - write utmp and wtmp entries
 * logresolve - Resolve IP-addresses to hostnames in Apache log files
 * logrotate - rotates, compresses, and mails system logs
 * logrotate.conf - rotates, compresses, and mails system logs
 * loimpress - LibreOffice office suite
 * lomath - LibreOffice office suite
 * look - display lines beginning with a given string
 * lookup_dcookie - return a directory entry's path
 * loweb - LibreOffice office suite
 * lowntfs-3g - Third Generation Read/Write NTFS Driver
 * lowriter - LibreOffice office suite
 * lp - print files
 * lp - line printer devices
 * lpadmin - configure cups printers and classes
 * lpc - line printer control program (deprecated)
 * lpinfo - show available devices or drivers (deprecated)
 * lpoptions - display or set printer options and defaults
 * lpq - show printer queue status
 * lpr - print files
 * lprm - cancel print jobs
 * lpstat - print cups status information
 * lrand48 - generate uniformly distributed pseudo-random numbers
 * lrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * lremovexattr - remove an extended attribute
 * lrf2lrs - lrf2lrs
 * lrint - round to nearest integer
 * lrintf - round to nearest integer
 * lrintl - round to nearest integer
 * lround - round to nearest integer
 * lroundf - round to nearest integer
 * lroundl - round to nearest integer
 * lrs2lrf - lrs2lrf
 * ls - list directory contents
 * lsattr - list file attributes on a Linux second extended file system
 * lsb_release - print distribution-specific information
 * lscpu - display information about the CPU architecture
 * lsdiff - show which files are modified by a patch
 * lsearch - linear search of an array
 * lseek - reposition read/write file offset
 * lseek64 - reposition 64-bit read/write file offset
 * lsetxattr - set an extended attribute value
 * lshw - list hardware
 * lsipc - show information on IPC facilities currently employed in the system
 * lslogins - display information about known users in the system
 * lspgpot - extracts the ownertrust values from PGP keyrings and list them in ...
 * ltrace - A library call tracer
 * luksformat - Create and format an encrypted LUKS device
 * lvchange - Change the attributes of logical volume
 * lvcreate - Create a logical volume
 * lvm-fullreport - (unknown subject)
 * lvmdump - create lvm2 information dumps for diagnostic purposes
 * lvmreport - LVM reporting and related features
 * lvmsar - LVM system activity reporter
 * lvmvdo - EXPERIMENTAL LVM Virtual Data Optimizer support
 * lvreduce - Reduce the size of a logical volume
 * lvremove - Remove logical volume from the system
 * lvrename - Rename a logical volume
 * lvresize - Resize a logical volume
 * LWP (3pm) - The World-Wide Web library for Perl
 * lwp-dump (1p) - See what headers and content is returned for a URL
 * lwp-mirror (1p) - Simple mirror utility
 * lwp-request (1p) - Simple command line user agent
 * LWP::Authen::Ntlm (3pm)- Library for enabling NTLM authentication (Microsoft) in LWP
 * LWP::Debug (3pm) - deprecated
 * lynx - a general purpose distributed information browser for the World Wi...
 * lz - gunzips and shows a listing of a gzip'd tar'd archive
 * lz4 - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * lz4c - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * lz4cat - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * lzcat - Compress or decompress .xz and .lzma files
 * lzcmp - compare compressed files
 * lzdiff - compare compressed files
 * lzegrep - search compressed files for a regular expression
 * lzfgrep - search compressed files for a regular expression
 * lzgrep - search compressed files for a regular expression
 * lzless - view xz or lzma compressed (text) files
 * lzma - Compress or decompress .xz and .lzma files
 * lzmainfo - show information stored in the .lzma file header
 * lzmore - view xz or lzma compressed (text) files
 * mail - send and receive mail
 * Mail::Address (3pm) - parse mail addresses
 * Mail::Cap (3pm) - understand mailcap files
 * Mail::Field::AddrList (3pm)- object representation of e-mail address lists
 * Mail::Field::Generic (3pm)- implementation for inspecific fields
 * Mail::Header (3pm) - manipulate MIME headers
 * mailaddr - mail addressing description
 * mailcap.order - the mailcap ordering specifications
 * mailx - send and receive mail
 * make-first-existing-target - runs make on one of several targets
 * mako-render - renders Mako templates
 * malloc - allocate and free dynamic memory
 * malloc_get_state - record and restore state of malloc implementation
 * malloc_hook - malloc debugging variables
 * malloc_info - export malloc state to a stream
 * malloc_set_state - record and restore state of malloc implementation
 * malloc_stats - print memory allocation statistics
 * malloc_trim - release free memory from the heap
 * mallopt - set memory allocation parameters
 * man - an interface to the system reference manuals
 * man-pages - conventions for writing Linux man pages
 * man-recode - convert manual pages to another encoding
 * mandb - create or update the manual page index caches
 * manpath - determine search path for manual pages
 * mapscrn - load screen output mapping table
 * mate-about - Learn more about MATE
 * mate-color-select - Select a color from a palette or from screen
 * math_error - detecting errors from mathematical functions
 * matherr - SVID math library exception handling
 * mattrib - change MSDOS file attribute flags
 * MB_CUR_MAX - maximum length of a multibyte character in the current locale
 * mbsnrtowcs - convert a multibyte string to a wide-character string
 * mbsrtowcs - convert a multibyte string to a wide-character string
 * mbstowcs - convert a multibyte string to a wide-character string
 * mcd - change MSDOS directory
 * mcheck - verify all files on an MS-DOS formatted disk
 * mcomp - Compares two files using mtools
 * md5pass - Create an MD5 password hash
 * mdeltree - recursively delete an MSDOS directory and its contents
 * mdir - display an MSDOS directory
 * mdu - display the amount of space occupied by an MSDOS directory
 * membarrier - issue memory barriers on a set of threads
 * memccpy - copy memory area
 * memcmp - compare memory areas
 * memcpy - copy memory area
 * memdiskfind - Simple utility to find a resident memdisk instance.
 * memfd_create - create an anonymous file
 * memfrob - frobnicate (encrypt) a memory area
 * memmem - locate a substring
 * memmove - copy memory area
 * mempcpy - copy memory area
 * memrchr - scan memory for a character
 * memusage - profile memory usage of a program
 * memusagestat - generate graphic from memory profiling data
 * mesg - display (or do not display) messages from other users
 * metacity-window-demo - demo of window features
 * mib2c.conf - How to write mib2c.conf files to do ANYTHING based on MIB input.
 * midid - Raw Midi interpreter
 * migrate-pubring-from-classic-gpg - Migrate a public keyring from "classic" to "modern...
 * mime.convs - mime type conversion file for cups (deprecated)
 * mime.types - mime type description file for cups
 * min12xxw - Convert pbmraw streams to Minolta PagePro 12xxW languages
 * mincore - determine whether pages are resident in memory
 * minfo - print the parameters of a MSDOS filesystem
 * mint-release-upgrade - Linux Mint point release installer
 * mintsources - Software Sources List editor
 * mintstick - gui only application to write .img and .iso files to USB keys
 * tc-mirred - mirror/redirect action
 * mispipe - pipe two commands, returning the exit status of the first
 * mkdir - make directories
 * mkdir - create a directory
 * mkdirat - create a directory
 * mkdiskimage - Create a blank MS-DOS formatted hard disk image
 * mkdosfs - create an MS-DOS filesystem under Linux
 * mkdtemp - create a unique temporary directory
 * mke2fs - create an ext2/ext3/ext4 filesystem
 * mkexfatfs - create an exFAT file system
 * mkfatimage16 - generate a virtual drive image suitable for DOSEMU
 * mkfontdir - create an index of X font files in a directory
 * mkfontscale - create an index of scalable font files for X
 * mkfs.btrfs - create a btrfs filesystem
 * mkfs.cramfs - make compressed ROM file system
 * mkfs.exfat - create an exFAT file system
 * mkfs.ext2 - create an ext2/ext3/ext4 filesystem
 * mkfs.ext3 - create an ext2/ext3/ext4 filesystem
 * mkfs.ext4 - create an ext2/ext3/ext4 filesystem
 * mkfs.fat - create an MS-DOS filesystem under Linux
 * mkfs.jfs - create a JFS formatted partition
 * mkfs.msdos - create an MS-DOS filesystem under Linux
 * mkfs.ntfs - create an NTFS file system
 * mkfs.reiserfs - The create tool for the Linux ReiserFS filesystem.
 * mkfs.vfat - create an MS-DOS filesystem under Linux
 * mkhomedir_helper - Helper binary that creates home directories
 * mkisofs - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * mklost+found - create a lost+found directory on a mounted Linux second extended f...
 * mknod - create a special or ordinary file
 * mknodat - create a special or ordinary file
 * mkntfs - create an NTFS file system
 * mkostemp - create a unique temporary file
 * mkostemps - create a unique temporary file
 * mkreiserfs - The create tool for the Linux ReiserFS filesystem.
 * mksquashfs - tool to create and append to squashfs filesystems
 * mkstemp - create a unique temporary file
 * mkstemps - create a unique temporary file
 * mkswap - set up a Linux swap area
 * mktemp - create a temporary file or directory
 * mktemp - make a unique temporary filename
 * mkzftree - Create a zisofs/RockRidge compressed file tree
 * mm2gv - Matrix Market-DOT converters
 * mmd - make an MSDOS subdirectory
 * mmove - move or rename an MSDOS file or subdirectory
 * modesetting - video driver for framebuffer device
 * modprobe - Add and remove modules from the Linux Kernel
 * modprobe.d - Configuration directory for modprobe
 * modules-load.d - Configure kernel modules to load at boot
 * mogrify - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mogrify-im6 - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mogrify-im6.q16 - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * Mojo::ByteStream (3pm)- ByteStream
 * Mojo::Cookie::Request (3pm)- HTTP request cookie
 * Mojo::Cookie::Response (3pm)- HTTP response cookie
 * Mojo::DOM (3pm) - Minimalistic HTML/XML DOM parser with CSS selectors
 * Mojo::Headers (3pm) - HTTP headers
 * Mojo::IOLoop::Delay (3pm)- Promises/A+ and flow-control helpers
 * Mojo::IOLoop::Stream (3pm)- Non-blocking I/O stream
 * Mojo::JSON::Pointer (3pm)- JSON Pointers
 * Mojo::Message::Request (3pm)- HTTP request
 * Mojo::Message::Response (3pm)- HTTP response
 * Mojo::Parameters (3pm)- Parameters
 * Mojo::Reactor (3pm) - Low-level event reactor base class
 * Mojo::Reactor::EV (3pm)- Low-level event reactor with libev support
 * Mojo::Reactor::Poll (3pm)- Low-level event reactor with poll support
 * Mojo::Server::Prefork (3pm)- Pre-forking non-blocking I/O HTTP and WebSocket server
 * Mojo::URL (3pm) - Uniform Resource Locator
 * Mojolicious (3pm) - Real-time web framework
 * Mojolicious::Command::prefork (3pm)- Pre-fork command
 * Mojolicious::Command::version (3pm)- Version command
 * Mojolicious::Guides::Contributing (3pm)- Contributing to Mojolicious
 * Mojolicious::Guides::FAQ (3pm)- Frequently Asked Questions
 * Mojolicious::Guides::Rendering (3pm)- Rendering content
 * Mojolicious::Guides::Routing (3pm)- Routing requests
 * Mojolicious::Guides::Tutorial (3pm)- Get started with Mojolicious
 * Mojolicious::Lite (3pm)- Micro real-time web framework
 * Mojolicious::Plugin::DefaultHelpers (3pm)- Default helpers plugin
 * Mojolicious::Plugin::EPLRenderer (3pm)- Embedded Perl Lite renderer plugin
 * Mojolicious::Plugin::EPRenderer (3pm)- Embedded Perl renderer plugin
 * Mojolicious::Plugin::HeaderCondition (3pm)- Header condition plugin
 * Mojolicious::Plugin::TagHelpers (3pm)- Tag helpers plugin
 * Mojolicious::Renderer (3pm)- Generate dynamic content
 * montage - create a composite image by combining several separate images. The...
 * montage-im6 - create a composite image by combining several separate images. The...
 * montage-im6.q16 - create a composite image by combining several separate images. The...
 * Moo (3pm) - Minimalist Object Orientation (with Moose compatibility)
 * Moo::Role (3pm) - Minimal Object Orientation support for Roles
 * MooX::Aliases (3pm) - easy aliasing of methods and attributes in Moo
 * more - file perusal filter for crt viewing
 * mount.ecryptfs_private - eCryptfs private mount helper.
 * mount.lowntfs-3g - Third Generation Read/Write NTFS Driver
 * mount.ntfs - Third Generation Read/Write NTFS Driver
 * mount.ntfs-3g - Third Generation Read/Write NTFS Driver
 * mountpoint - see if a directory or file is a mountpoint
 * mouse - serial mouse interface
 * mpool - shared memory buffer pool
 * mpris-proxy - Bluetooth mpris-proxy
 * mprotect - set protection on a region of memory
 * mpx - unimplemented system calls
 * mq_close - close a message queue descriptor
 * mq_getattr - get/set message queue attributes
 * mq_getsetattr - get/set message queue attributes
 * mq_notify - register for notification when a message is available
 * mq_notify - register for notification when a message is available
 * mq_receive - receive a message from a message queue
 * mq_setattr - get/set message queue attributes
 * mq_timedreceive - receive a message from a message queue
 * mq_timedreceive - receive a message from a message queue
 * mq_unlink - remove a message queue
 * mq_unlink - remove a message queue
 * tc-mqprio - Multiqueue Priority Qdisc (Offloaded Hardware QOS)
 * mrand48 - generate uniformly distributed pseudo-random numbers
 * mrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * mrd - remove an MSDOS subdirectory
 * mremap - remap a virtual memory address
 * mren - rename an existing MSDOS file
 * mscompress - compress data using LZ77 algorithm
 * msexpand - decompress data compressed using mscompress or COMPRESS.EXE
 * msgattrib - attribute matching and manipulation on message catalog
 * msgcmp - compare message catalog and template
 * msgconv - character set conversion for message catalog
 * msgen - create English message catalog
 * msggrep - pattern matching on message catalog
 * msgrcv - System V message queue operations
 * mshowfat - shows FAT clusters allocated to file
 * mt - control magnetic tape drive operation
 * mt-gnu - control magnetic tape drive operation
 * mtp-emptyfolders - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-filetree - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-folders - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-reset - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-trexist - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtr-packet - send and receive network probes
 * mtrace - interpret the malloc trace log
 * mtvtoppm - convert output from the MTV or PRT ray tracers into a portable pixmap
 * muffin-window-demo - demo of window features
 * MusicBrainz::DiscID (3pm)- Perl interface for the MusicBrainz libdiscid library
 * mv - move (rename) files
 * mxtar - Wrapper for using GNU tar directly from a floppy disk
 * mysql_config_editor - configure authentication information for connecting to MySQL se...
 * mysqldumpslow - Summarize slow query log files
 * mysqlrepair - a table maintenance program
 * mysqlreport - Makes a friendly report of important MySQL status values
 * mzip - change protection mode and eject disk on Zip/Jaz drive
 * nameif - name network interfaces based on MAC addresses
 * nan - return 'Not a Number'
 * nanf - return 'Not a Number'
 * nanl - return 'Not a Number'
 * nano - Nano's ANOther editor, inspired by Pico
 * nanorc - GNU nano's configuration file
 * nanosleep - high-resolution sleep
 * nc - arbitrary TCP and UDP connections and listens
 * nc.openbsd - arbitrary TCP and UDP connections and listens
 * nc_openbsd - arbitrary TCP and UDP connections and listens
 * ncdu - NCurses Disk Usage
 * nearbyint - round to nearest integer
 * nearbyintf - round to nearest integer
 * nearbyintl - round to nearest integer
 * neato - filter for drawing undirected graphs
 * nemo-connect-server - To Access a remote server
 * neofetch - A fast, highly customizable system info script
 * neotoppm - convert an Atari Neochrome .neo into a portable pixmap
 * net - Tool for administration of Samba and remote CIFS servers.
 * Net::DBus::ASyncReply (3pm)- asynchronous method reply handler
 * Net::DBus::Binding::Iterator (3pm)- Reading and writing message parameters
 * Net::DBus::Binding::Message::Error (3pm)- a message encoding a method call error
 * Net::DBus::Binding::Message::MethodReturn (3pm)- a message encoding a method return
 * Net::DBus::Binding::PendingCall (3pm)- A handler for pending method replies
 * Net::DBus::Callback (3pm)- a callback for receiving reactor events
 * Net::DBus::Dumper (3pm)- Stringify Net::DBus objects suitable for printing
 * Net::DBus::Error (3pm)- Error details for remote method invocation
 * Net::DBus::Reactor (3pm)- application event loop
 * Net::DBus::RemoteObject (3pm)- Access objects provided on the bus
 * Net::DBus::RemoteService (3pm)- Access services provided on the bus
 * Net::DBus::Tutorial (3pm)- tutorials on the Perl DBus APIs
 * Net::DBus::Tutorial::ExportingObjects (3pm)- tutorials on providing a DBus service
 * Net::DBus::Tutorial::UsingObjects (3pm)- tutorial on accessing a DBus service
 * Net::DNS::DomainName (3pm)- DNS name representation
 * Net::DNS::FAQ (3pm) - Frequently Asked Net::DNS Questions
 * Net::DNS::Mailbox (3pm)- DNS mailbox representation
 * Net::DNS::Parameters (3pm)- DNS parameter assignments
 * Net::DNS::Question (3pm)- DNS question record
 * Net::DNS::Resolver (3pm)- DNS resolver class
 * Net::DNS::Resolver::android (3pm)- Android resolver class
 * Net::DNS::Resolver::Base (3pm)- DNS resolver base class
 * Net::DNS::Resolver::cygwin (3pm)- Cygwin resolver class
 * Net::DNS::Resolver::MSWin32 (3pm)- MS Windows resolver class
 * Net::DNS::Resolver::os2 (3pm)- OS2 resolver class
 * Net::DNS::Resolver::os390 (3pm)- IBM OS/390 resolver class
 * Net::DNS::Resolver::Recurse (3pm)- DNS recursive resolver
 * Net::DNS::Resolver::UNIX (3pm)- Unix resolver class
 * Net::DNS::RR (3pm) - DNS resource record base class
 * Net::DNS::RR::A (3pm)- DNS A resource record
 * Net::DNS::RR::AAAA (3pm)- DNS AAAA resource record
 * Net::DNS::RR::AFSDB (3pm)- DNS AFSDB resource record
 * Net::DNS::RR::APL (3pm)- DNS APL resource record
 * Net::DNS::RR::CAA (3pm)- DNS CAA resource record
 * Net::DNS::RR::CDNSKEY (3pm)- DNS CDNSKEY resource record
 * Net::DNS::RR::CDS (3pm)- DNS CDS resource record
 * Net::DNS::RR::CERT (3pm)- DNS CERT resource record
 * Net::DNS::RR::CNAME (3pm)- DNS CNAME resource record
 * Net::DNS::RR::CSYNC (3pm)- DNS CSYNC resource record
 * Net::DNS::RR::DHCID (3pm)- DNS DHCID resource record
 * Net::DNS::RR::DNAME (3pm)- DNS DNAME resource record
 * Net::DNS::RR::DNSKEY (3pm)- DNS DNSKEY resource record
 * Net::DNS::RR::DS (3pm)- DNS DS resource record
 * Net::DNS::RR::EUI48 (3pm)- DNS EUI48 resource record
 * Net::DNS::RR::EUI64 (3pm)- DNS EUI64 resource record
 * Net::DNS::RR::GPOS (3pm)- DNS GPOS resource record
 * Net::DNS::RR::HINFO (3pm)- DNS HINFO resource record
 * Net::DNS::RR::HIP (3pm)- DNS HIP resource record
 * Net::DNS::RR::IPSECKEY (3pm)- DNS IPSECKEY resource record
 * Net::DNS::RR::ISDN (3pm)- DNS ISDN resource record
 * Net::DNS::RR::KEY (3pm)- DNS KEY resource record
 * Net::DNS::RR::KX (3pm)- DNS KX resource record
 * Net::DNS::RR::L32 (3pm)- DNS L32 resource record
 * Net::DNS::RR::L64 (3pm)- DNS L64 resource record
 * Net::DNS::RR::LOC (3pm)- DNS LOC resource record
 * Net::DNS::RR::LP (3pm)- DNS LP resource record
 * Net::DNS::RR::MB (3pm)- DNS MB resource record
 * Net::DNS::RR::MG (3pm)- DNS MG resource record
 * Net::DNS::RR::MINFO (3pm)- DNS MINFO resource record
 * Net::DNS::RR::MR (3pm)- DNS MR resource record
 * Net::DNS::RR::MX (3pm)- DNS MX resource record
 * Net::DNS::RR::NAPTR (3pm)- DNS NAPTR resource record
 * Net::DNS::RR::NID (3pm)- DNS NID resource record
 * Net::DNS::RR::NS (3pm)- DNS NS resource record
 * Net::DNS::RR::NSEC (3pm)- DNS NSEC resource record
 * Net::DNS::RR::NSEC3 (3pm)- DNS NSEC3 resource record
 * Net::DNS::RR::NSEC3PARAM (3pm)- DNS NSEC3PARAM resource record
 * Net::DNS::RR::NULL (3pm)- DNS NULL resource record
 * Net::DNS::RR::OPENPGPKEY (3pm)- DNS OPENPGPKEY resource record
 * Net::DNS::RR::OPT (3pm)- DNS OPT resource record
 * Net::DNS::RR::PTR (3pm)- DNS PTR resource record
 * Net::DNS::RR::PX (3pm)- DNS PX resource record
 * Net::DNS::RR::RP (3pm)- DNS RP resource record
 * Net::DNS::RR::RRSIG (3pm)- DNS RRSIG resource record
 * Net::DNS::RR::RT (3pm)- DNS RT resource record
 * Net::DNS::RR::SIG (3pm)- DNS SIG resource record
 * Net::DNS::RR::SMIMEA (3pm)- DNS SMIMEA resource record
 * Net::DNS::RR::SOA (3pm)- DNS SOA resource record
 * Net::DNS::RR::SPF (3pm)- DNS SPF resource record
 * Net::DNS::RR::SRV (3pm)- DNS SRV resource record
 * Net::DNS::RR::SSHFP (3pm)- DNS SSHFP resource record
 * Net::DNS::RR::TKEY (3pm)- DNS TKEY resource record
 * Net::DNS::RR::TLSA (3pm)- DNS TLSA resource record
 * Net::DNS::RR::TSIG (3pm)- DNS TSIG resource record
 * Net::DNS::RR::TXT (3pm)- DNS TXT resource record
 * Net::DNS::RR::URI (3pm)- DNS URI resource record
 * Net::DNS::RR::X25 (3pm)- DNS X25 resource record
 * Net::DNS::RR::ZONEMD (3pm)- DNS ZONEMD resource record
 * Net::DNS::Text (3pm)- DNS text representation
 * Net::IP (3pm) - Perl extension for manipulating IPv4/IPv6 addresses
 * netcat - arbitrary TCP and UDP connections and listens
 * netkit-netrc - user configuration for ftp
 * netpbm - package of graphics manipulation programs and libraries
 * netplan - YAML network configuration abstraction for various backends
 * netrc - user configuration for ftp
 * netscsid - write data to optical disk media
 * netstat - Print network connections, routing tables, interface statistics, m...
 * newlocale - create, modify, and free a locale object
 * newsboat - an RSS/Atom feed reader for text terminals
 * newusers - update and create new users in batch
 * nextdown - return next floating-point number toward positive/negative infinity
 * nextdownf - return next floating-point number toward positive/negative infinity
 * nextdownl - return next floating-point number toward positive/negative infinity
 * nextup - return next floating-point number toward positive/negative infinity
 * nextupf - return next floating-point number toward positive/negative infinity
 * nextupl - return next floating-point number toward positive/negative infinity
 * nfnl_osf - OS fingerprint loader utility
 * nftw - file tree walk
 * nice - run a program with modified scheduling priority
 * nice - change process priority
 * nm-settings - Description of settings and properties of NetworkManager connectio...
 * nm-settings-keyfile - Description of keyfile settings plugin
 * nologin - prevent unprivileged users from logging into the system
 * nologin - politely refuse a login
 * nop - pretty-print graph file
 * nouveau - NVIDIA video driver
 * nproc - print the number of processing units available
 * nptl - Native POSIX Threads Library
 * nrand48 - generate uniformly distributed pseudo-random numbers
 * nrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * nseq (1ssl) - create or examine a Netscape certificate sequence
 * nslookup - query Internet name servers interactively
 * nss-myhostname - Provide hostname resolution for the locally configured system host...
 * nss-systemd - Provide UNIX user and group name resolution for user/group lookup ...
 * ntfs-3g - Third Generation Read/Write NTFS Driver
 * ntfscat - print NTFS files and streams on the standard output
 * ntfsclone - Efficiently clone, image, restore or rescue an NTFS
 * ntfscluster - identify files in a specified region of an NTFS volume.
 * ntfscmp - compare two NTFS filesystems and tell the differences
 * ntfsfallocate - preallocate space to a file on an NTFS volume
 * ntfsfix - fix common errors and force Windows to check NTFS
 * ntfsinfo - dump a file's attributes
 * ntfsls - list directory contents on an NTFS filesystem
 * ntfsrecover - Recover updates committed by Windows on an NTFS volume
 * ntfsresize - resize an NTFS filesystem without data loss
 * ntfssecaudit - NTFS Security Data Auditing
 * ntfsundelete - recover a deleted file from an NTFS volume.
 * ntfswipe - overwrite unused space on an NTFS volume
 * ntp_gettime - get time parameters (NTP daemon interface)
 * ntp_gettimex - get time parameters (NTP daemon interface)
 * numa - overview of Non-Uniform Memory Architecture
 * numa_maps - overview of Non-Uniform Memory Architecture
 * Number::Compare (3pm)- numeric comparisons
 * numfmt - Convert numbers from/to human-readable strings
 * oakdecode - Decode an OAKT printer stream into human readable form.
 * offsetof - offset of a structure member
 * ojo (3pm) - Fun one-liners with Mojo
 * oldolduname - get name and information about current kernel
 * olduname - get name and information about current kernel
 * on_exit - register a function to be called at normal process termination
 * onboard - On-screen Keyboard
 * onboard-settings - On-screen Keyboard (configuration dialog)
 * oo (3pm) - syntactic sugar for Moo oneliners
 * open - open and possibly create a file
 * open_memstream - open a dynamic memory buffer stream
 * open_wmemstream - open a dynamic memory buffer stream
 * openat - open and possibly create a file
 * opendir - open a directory
 * openssl-asn1parse (1ssl)- ASN.1 parsing tool
 * openssl-c_rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-ciphers (1ssl)- SSL cipher display and cipher list tool
 * openssl-crl2pkcs7 (1ssl)- Create a PKCS#7 structure from a CRL and certificates
 * openssl-enc (1ssl) - symmetric cipher routines
 * openssl-errstr (1ssl)- lookup error codes
 * openssl-gendsa (1ssl)- generate a DSA private key from a set of parameters
 * openssl-genpkey (1ssl)- generate a private key
 * openssl-genrsa (1ssl)- generate an RSA private key
 * openssl-list (1ssl) - list algorithms and features
 * openssl-nseq (1ssl) - create or examine a Netscape certificate sequence
 * openssl-pkcs8 (1ssl)- PKCS#8 format private key conversion tool
 * openssl-pkey (1ssl) - public or private key processing tool
 * openssl-pkeyparam (1ssl)- public key algorithm parameter processing tool
 * openssl-pkeyutl (1ssl)- public key algorithm utility
 * openssl-prime (1ssl)- compute prime numbers
 * openssl-rand (1ssl) - generate pseudo-random bytes
 * openssl-rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-req (1ssl) - PKCS#10 certificate request and certificate generating utility
 * openssl-rsa (1ssl) - RSA key processing tool
 * openssl-rsautl (1ssl)- RSA utility
 * openssl-s_time (1ssl)- SSL/TLS performance timing program
 * openssl-speed (1ssl)- test library performance
 * openssl-spkac (1ssl)- SPKAC printing and generating utility
 * openssl-storeutl (1ssl)- STORE utility
 * openssl-ts (1ssl) - Time Stamping Authority tool (client/server)
 * openssl-verify (1ssl)- Utility to verify certificates
 * openssl-version (1ssl)- print OpenSSL version information
 * openvpn - secure IP tunnel daemon.
 * operator - C operator precedence and order of evaluation
 * opldecode - Decode a Raster Object (opl) stream into human readable form.
 * optarg - Parse command-line options
 * opterr - Parse command-line options
 * optind - Parse command-line options
 * optopt - Parse command-line options
 * orca - a scriptable screen reader
 * ordchr (3am) - convert characters to strings and vice versa
 * os-release - Operating system identification
 * osage - filter for drawing clustered graphs
 * ossl_store (7ssl) - Store retrieval functions
 * ossl_store-file (7ssl)- The store 'file' scheme loader
 * ownership - Compaq ownership tag retriever
 * p11-kit - Tool for operating on configured PKCS#11 modules
 * p7zip - Wrapper on 7-Zip file archiver with high compression ratio
 * pacat - Play back or record raw or encoded audio streams on a PulseAudio s...
 * pack200 - Packages a JAR file into a compressed pack200 file for web deploym...
 * Package::Stash::PP (3pm)- pure perl implementation of the Package::Stash API
 * pacmd - Reconfigure a PulseAudio sound server during runtime
 * pactl - Control a running PulseAudio sound server
 * padsp - PulseAudio OSS Wrapper
 * pager - opposite of more
 * pam - portable arbitrary map file format
 * pam-auth-update - manage PAM configuration using packaged profiles
 * pam_cap - PAM module to set inheritable capabilities
 * pam_cifscreds - PAM module to manage NTLM credentials in kernel keyring
 * pam_echo - PAM module for printing text messages
 * pam_env - PAM module to set/unset environment variables
 * pam_env.conf - the environment variables config files
 * pam_extrausers - Module for libnss-extrausers authentication
 * pam_faildelay - Change the delay on failure per-application
 * pam_getenv - get environment variables from /etc/environment
 * pam_keyinit - Kernel session keyring initialiser module
 * pam_limits - PAM module to limit resources
 * pam_listfile - deny or allow services based on an arbitrary file
 * pam_localuser - require users to be listed in /etc/passwd
 * pam_loginuid - Record user's login uid to the process attribute
 * pam_mkhomedir - PAM module to create users home directory
 * pam_namespace - PAM module for configuring namespace for a session
 * pam_nologin - Prevent non-root users from login
 * pam_pwhistory - PAM module to remember last passwords
 * pam_securetty - Limit root login to special devices
 * pam_selinux - PAM module to set the default security context
 * pam_sepermit - PAM module to allow/deny login depending on SELinux enforcement state
 * pam_succeed_if - test account characteristics
 * pam_systemd - Register user sessions in the systemd login manager
 * pam_tty_audit - Enable or disable TTY auditing for specified users
 * pam_umask - PAM module to set the file mode creation mask
 * pam_wheel - Only permit root access to members of group wheel
 * pam_xauth - PAM module to forward xauth keys between users
 * pamcut - cut a rectangle out of a PAM, PBM, PGM, or PPM image
 * pamdeinterlace - remove ever other row from a PAM/PNM image
 * pamdice - slice a Netpbm image into many horizontally and/or vertically
 * pamfile - describe a Netpbm (PAM or PNM) file
 * pamon - Play back or record raw or encoded audio streams on a PulseAudio s...
 * pamstretch - scale up a PNM or PAM image by interpolating between pixels
 * pamstretch-gen - use pamstretch and pnmscale to scale by non-integer values
 * Pango (3pm) - layout and render international text
 * Pango::AttrBackground (3pm)- Pango background color attribute
 * Pango::AttrColor (3pm)- Pango color attribute
 * Pango::AttrFallback (3pm)- Pango fallback attribute
 * Pango::AttrFamily (3pm)- Pango attribute family
 * Pango::AttrFontDesc (3pm)- Pango description of a font
 * Pango::AttrForeground (3pm)- Pango foreground attribute
 * Pango::AttrGravity (3pm)- Pango gravity attribute
 * Pango::AttrGravityHint (3pm)- Pango gravity hint attribute
 * Pango::Attribute (3pm)- Pango base class for attributes
 * Pango::AttrInt (3pm)- structure used to represent attributes with an integer value
 * Pango::AttrIterator (3pm)- used to represent iterators through Pango::AttrLists
 * Pango::AttrLanguage (3pm)- used to represent attributes that are languages
 * Pango::AttrLetterSpacing (3pm)- Pango letter spacing attribute
 * Pango::AttrList (3pm)- holds attributes that apply to a section of text
 * Pango::AttrRise (3pm)- Pango baseline displacement attribute
 * Pango::AttrScale (3pm)- Pango font size scale attribute
 * Pango::AttrShape (3pm)- Pango shape attribute
 * Pango::AttrSize (3pm)- Pango font-size attribute
 * Pango::AttrStretch (3pm)- Pango font stretch attribute
 * Pango::AttrStrikethrough (3pm)- Pango strike-through attribute
 * Pango::AttrStrikethroughColor (3pm)- Pango color strikethrough color attribute
 * Pango::AttrString (3pm)- used to represent attributes with a string value
 * Pango::AttrStyle (3pm)- Pango font slant style attribute
 * Pango::AttrUnderline (3pm)- Pango underline style attribute
 * Pango::AttrUnderlineColor (3pm)- Pango underline color attribute
 * Pango::AttrVariant (3pm)- Pango font variant attribute
 * Pango::AttrWeight (3pm)- Pango font weight attribute
 * Pango::Cairo (3pm) - Pango rendering with the Cairo backend
 * Pango::Cairo::Font (3pm)- Pango using cairo fonts for rendering
 * Pango::Color (3pm) - an object to represent a color for Pango
 * Pango::Context (3pm)- Pango object that stores global information used to control the it...
 * Pango::Font (3pm) - a rendering-system independent font representation
 * Pango::FontDescription (3pm)- Pango object to represent a description of a font
 * Pango::FontFace (3pm)- object for Pango representing a group of fonts varying only in size
 * Pango::FontFamily (3pm)- Pango object representing a family of related font faces
 * Pango::FontMap (3pm)- an object that represents the set of fonts available for a particu...
 * Pango::FontMetrics (3pm)- object for Pango containing overall metric information for a font
 * Pango::Gravity (3pm)- represents the orientation of glyphs in a segment of text
 * Pango::index (3pm) - API Reference Pod Index
 * Pango::Language (3pm)- an object that represents a language tag
 * Pango::Layout (3pm) - an object representing a paragraph of text with attributes
 * Pango::Matrix (3pm) - A structure specifying a transformation between user-space coordin...
 * Pango::Renderer (3pm)- a base class for pango rendering
 * Pango::Script (3pm) - identifies different writing systems
 * Pango::ScriptIter (3pm)- used to break a string of Unicode into runs by text
 * Pango::TabArray (3pm)- an object containing an array of tab stops
 * Pango::version (3pm)- get and check the version of Pango that this was compiled against
 * paperconf - print paper configuration information
 * paperconfig - configure the system default paper size
 * papersize - specify preferred paper size
 * paplay - Play back or record raw or encoded audio streams on a PulseAudio s...
 * par - filter for reformatting paragraphs
 * parec - Play back or record raw or encoded audio streams on a PulseAudio s...
 * parecord - Play back or record raw or encoded audio streams on a PulseAudio s...
 * partx - tell the kernel about the presence and numbering of on-disk partit...
 * passphrase-encoding (7ssl)- How diverse parts of OpenSSL treat pass phrases character en...
 * pasuspender - Temporarily suspend PulseAudio
 * patch - apply a diff file to an original
 * patchwork - filter for drawing clustered graphs as treemaps
 * path_resolution - how a pathname is resolved to a file
 * pathchk - check whether file names are valid or portable
 * pax11publish - PulseAudio X11 Credential Utility
 * pbmfilters - list of all programs in the netpbm package
 * pbmmake - create a blank bitmap of a specified size
 * pbmmask - create a mask bitmap from a regular bitmap
 * pbmpage - create a one page test pattern for printing
 * pbmreduce - read a portable bitmap and reduce it N times
 * pbmtext - render text into a bitmap
 * pbmtextps - render text into a bitmap via postscript
 * pbmto10x - convert a portable bitmap into Gemini 10X printer graphics
 * pbmtoatk - convert portable bitmap to Andrew Toolkit raster object
 * pbmtoepsi - convert a portable bitmap into an encapsulated PostScript style pr...
 * pbmtoepson - convert a portable bitmap into Epson printer graphics
 * pbmtogo - convert a portable bitmap into compressed GraphOn graphics
 * pbmtopgm - convert portable bitmap to portable graymap by averaging areas
 * pbmtopi3 - convert a portable bitmap into an Atari Degas .pi3 file
 * pbmtoppa - convert PBM image to HP Printer Performance Architecture (PPA)
 * pbmtopsg3 - convert PBM images to Postscript with G3 fax compression
 * pbmtoptx - convert a portable bitmap into Printronix printer graphics
 * pbmtowbmp - convert a portable bitmap to a wireless bitmap (wbmp) file
 * pbmupc - create a Universal Product Code bitmap
 * pciconfig_read - pci device information handling
 * pciconfig_write - pci device information handling
 * pcilib - a library for accessing PCI devices
 * pclose - pipe stream to or from a process
 * pcrepattern - Perl-compatible regular expressions
 * pdf2dsc - generate a PostScript page list of a PDF document
 * pdf2ps - Ghostscript PDF to PostScript translator
 * pdfattach - Portable Document Format (PDF) document embedded file creator (ver...
 * pdfdetach - Portable Document Format (PDF) document embedded file extractor (v...
 * pdffonts - Portable Document Format (PDF) font analyzer (version 3.03)
 * pdfimages - Portable Document Format (PDF) image extractor (version 3.03)
 * pdfinfo - Portable Document Format (PDF) document information extractor (ver...
 * pdfsig - Portable Document Format (PDF) digital signatures tool
 * pdftoppm - Portable Document Format (PDF) to Portable Pixmap (PPM) converter ...
 * pdftops - Portable Document Format (PDF) to PostScript converter (version 3.03)
 * pdftotext - Portable Document Format (PDF) to text converter (version 3.03)
 * peekfd - peek at file descriptors of running processes
 * perf_event_open - set up performance monitoring
 * perfmonctl - interface to IA-64 performance monitoring unit
 * perl - The Perl 5 language interpreter
 * perl5.30-i386-linux-gnu - The Perl 5 language interpreter
 * perl5.30-x86_64-linux-gnu - The Perl 5 language interpreter
 * perl5.30.0 - The Perl 5 language interpreter
 * perlbug - how to submit bug reports on Perl
 * perlivp - Perl Installation Verification Procedure
 * perlsh (1p) - one-line perl evaluator with line editing function and variable na...
 * perlthanks - how to submit bug reports on Perl
 * perror - print a system error message
 * persistent-keyring - per-user persistent keyring
 * personality - set the process execution domain
 * pf2afm - Make an AFM file from Postscript (PFB/PFA/PFM) font files using gh...
 * pfbtopfa - Convert Postscript .pfb fonts to .pfa format using ghostscript
 * pgm - portable graymap file format
 * pgmbentley - Bentleyize a portable graymap
 * pgmcrater - create cratered terrain by fractal forgery
 * pgmedge - edge-detect a portable graymap
 * pgmenhance - edge-enhance a portable graymap
 * pgmhist - print a histogram of the values in a portable graymap
 * pgmnoise - create a graymap made up of white noise
 * pgmramp - generate a grayscale ramp
 * pgmslice - extract one line of pixel values out of a portable graymap
 * pgmtexture - calculate textural features on a portable graymap
 * pgmtofs - convert portable graymap to Usenix FaceSaver(tm) format
 * pgmtolispm - convert a portable graymap into Lisp Machine format
 * pgmtopbm - convert a portable graymap into a portable bitmap
 * pgmtoppm - colorize a portable graymap into a portable pixmap
 * pgrep - look up or signal processes based on name and other attributes
 * phar - PHAR (PHP archive) command line tool
 * phar.phar - PHAR (PHP archive) command line tool
 * phar.phar7.4 - PHAR (PHP archive) command line tool
 * phar7.4 - PHAR (PHP archive) command line tool
 * pi - compute decimal Archimedes' constant Pi to arbitrary accuracy.
 * pi1toppm - convert an Atari Degas .pi1 into a portable pixmap
 * pi3topbm - convert an Atari Degas .pi3 file into a portable bitmap
 * pic - compile pictures for troff or TeX
 * pico - Nano's ANOther editor, inspired by Pico
 * piconv -- iconv, reinvented in perl
 * pidfd_open - obtain a file descriptor that refers to a process
 * pidfd_send_signal - send a signal to a process specified by a file descriptor
 * pinentry-curses - PIN or pass-phrase entry dialog for GnuPG
 * ping - send ICMP ECHO_REQUEST to network hosts
 * ping4 - send ICMP ECHO_REQUEST to network hosts
 * ping6 - send ICMP ECHO_REQUEST to network hosts
 * pipe - create pipe
 * pipe2 - create pipe
 * pkaction - Get details about a registered action
 * pkcheck - Check whether a process is authorized
 * pkcs11-helper-1 - Simplified PKCS#11 library.
 * pkcs8 (1ssl) - PKCS#8 format private key conversion tool
 * pkey (1ssl) - public or private key processing tool
 * pkey_alloc - allocate or free a protection key
 * pkey_free - allocate or free a protection key
 * pkey_mprotect - set protection on a region of memory
 * pkeyparam (1ssl) - public key algorithm parameter processing tool
 * pkeyutl (1ssl) - public key algorithm utility
 * pkg-config - Return metainformation about installed libraries
 * pkill - look up or signal processes based on name and other attributes
 * pklocalauthority - PolicyKit Local Authority
 * pldd - display dynamic shared objects linked into a process
 * plipconfig - fine tune PLIP device parameters
 * pm-powersave - Put your computer into low power mode
 * pm-suspend-hybrid - Suspend or Hibernate your computer
 * pmap - report memory map of a process
 * pmap_getmaps - library routines for remote procedure calls
 * pmap_getport - library routines for remote procedure calls
 * pmap_rmtcall - library routines for remote procedure calls
 * pmap_set - library routines for remote procedure calls
 * pmap_unset - library routines for remote procedure calls
 * pnm2ppa - convert portable anymap (PNM) images to HP's PPA printer format.
 * pnmarith - perform arithmetic on two portable anymaps
 * pnmcolormap - create quantization color map for a portable anymap
 * pnmcut - cut a rectangle out of a portable anymap
 * pnmenlarge - read a portable anymap and enlarge it N times
 * pnmfile - describe a portable anymap
 * pnmflip - perform one or more flip operations on a portable anymap
 * pnmgamma - perform gamma correction on a portable anymap
 * pnminterp-gen - use pamstretch and pnmscale to scale by non-integer values
 * pnmmontage - create a montage of portable anymaps
 * pnmnlfilt - non-linear filters: smooth, alpha trim mean, optimal estimation sm...
 * pnmpad - add borders to portable anymap
 * pnmpaste - paste a rectangle into a portable anymap
 * pnmpsnr - compute the difference between two portable anymaps
 * pnmquant - quantize the colors in a Netpbm image to a smaller set
 * pnmremap - replace colors in a PPM image with colors from another set
 * pnmtile - replicate a portable anymap into a specified size
 * pnmtofiasco - Convert a portable anymap to FIASCO compressed file
 * pnmtops - convert portable anymap to PostScript
 * pnmtosir - convert a portable anymap into a Solitaire format
 * pod2usage - print usage messages from embedded pod docs in files
 * podebconf-report-po - send outdated debconf PO files to the last translators
 * podselect - print selected sections of pod documentation on standard output
 * polkit - Authorization Framework
 * poll - wait for some event on a file descriptor
 * popen - pipe stream to or from a process
 * posix_fadvise - predeclare an access pattern for file data
 * posix_openpt - open a pseudoterminal device
 * postconf - Postfix configuration parameters
 * postscreen (8postfix)- Postfix zombie blocker
 * postsuper - Postfix superintendent
 * poweroff - Halt, power-off or reboot the machine
 * ppdc - cups ppd compiler (deprecated)
 * ppdcfile - cups ppd compiler source file format (deprecated)
 * ppdhtml - cups html summary generator (deprecated)
 * ppdi - import ppd files (deprecated)
 * ppdmerge - merge ppd files (deprecated)
 * ppdpo - ppd message catalog generator (deprecated)
 * ppm3d - convert two portable pixmap into a red/blue 3d glasses pixmap
 * ppmbrighten - change an images Saturation and Value from an HSV map
 * ppmcolormask - produce mask of areas of a certain color in a PPM file
 * ppmcolors - generate a color map of all colors of a certain maxval
 * ppmdist - simplistic grayscale assignment for machine generated, color images
 * ppmdither - ordered dither for color images
 * ppmflash - brighten a picture up to complete white-out
 * ppmforge - fractal forgeries of clouds, planets, and starry skies
 * ppmhist - print a histogram of a portable pixmap
 * ppmmake - create a pixmap of a specified size and color
 * ppmntsc - make a portable pixmap look like taken from an American TV
 * ppmpat - make a pretty pixmap
 * ppmquant - quantize the colors in a portable pixmap down to a specified number
 * ppmquantall - run ppmquant on a bunch of files all at once, so they share a comm...
 * ppmrelief - run a Laplacian relief filter on a portable pixmap
 * ppmshift - shift lines of a portable pixmap left or right by a random amount
 * ppmspread - displace a portable pixmap's pixels by a random amount
 * ppmtomap - extract all colors from a portable pixmap
 * ppmtompeg - encodes MPEG-1 bitstreams
 * ppmtoneo - convert a portable pixmap into an Atari Neochrome .neo file
 * ppmtopgm - convert a portable pixmap into a portable graymap
 * ppmtopi1 - convert a portable pixmap into an Atari Degas .pi1 file
 * ppmtorgb3 - separate a portable pixmap into three portable graymaps
 * ppmtowinicon - convert 1 or more portable pixmaps into a Windows .ico file
 * ppmtv - make a portable pixmap look like taken from an American TV
 * ppoll - wait for some event on a file descriptor
 * pppconfig - configure pppd to connect to the Internet
 * pppdump - convert PPP record file to readable format
 * pppoeconf - configures a PPPoE (ADSL) connection
 * pppstats - print PPP statistics
 * pptp - PPTP driver
 * pr - convert text files for printing
 * prctl - operations on a process
 * pread - read from or write to a file descriptor at a given offset
 * pread64 - read from or write to a file descriptor at a given offset
 * preadv - read or write data into multiple buffers
 * preadv2 - read or write data into multiple buffers
 * precat - prefix delta compressor for Aspell
 * precedence - C operator precedence and order of evaluation
 * preconv - convert encoding of input files to something GNU troff understands
 * prename (1p) - renames multiple files
 * preunzip - prefix delta compressor for Aspell
 * prezip - prefix delta compressor for Aspell
 * prezip-bin - prefix zip delta word list compressor/decompressor
 * prime (1ssl) - compute prime numbers
 * print - execute programs via entries in the mailcap file
 * printafm - Print the metrics from a Postscript font in AFM format using ghost...
 * printenv - print all or part of environment
 * printer-profile - Profile using X-Rite ColorMunki and Argyll CMS
 * printerbanner - print large banner on printer
 * printers.conf - printer configuration file for cups
 * printf - format and print data
 * printf - formatted output conversion
 * tc-prio - Priority qdisc
 * prlimit - get and set process resource limits
 * prlimit - get/set resource limits
 * prlimit64 - get/set resource limits
 * proc - process information pseudo-filesystem
 * process-keyring - per-process shared keyring
 * process_vm_readv - transfer data between process address spaces
 * process_vm_writev - transfer data between process address spaces
 * procfs - process information pseudo-filesystem
 * procps - report a snapshot of the current processes.
 * fattach - unimplemented system calls
 * profil - execution time profile
 * projects - persistent project root definition
 * proxy - Display the proxy server that should be used to reach a given a ne...
 * prtstat - print statistics of a process
 * prune - Prune directed graphs
 * ps - report a snapshot of the current processes.
 * ps2ascii - Ghostscript translator from PostScript or PDF to ASCII
 * ps2epsi - generate conforming Encapsulated PostScript
 * ps2pdf - Convert PostScript to PDF using ghostscript
 * ps2pdf12 - Convert PostScript to PDF 1.2 (Acrobat 3-and-later compatible) usi...
 * ps2pdf13 - Convert PostScript to PDF 1.3 (Acrobat 4-and-later compatible) usi...
 * ps2pdf14 - Convert PostScript to PDF 1.4 (Acrobat 5-and-later compatible) usi...
 * ps2pdfwr - Convert PostScript to PDF without specifying CompatibilityLevel, u...
 * ps2ps - Ghostscript PostScript "distiller"
 * psc - prepare sc files
 * psfstriptable - remove the embedded Unicode character table from a console font
 * psicc - little cms PostScript converter.
 * psidtopgm - convert PostScript "image" data into a portable graymap
 * psiginfo - print signal message
 * psignal - print signal message
 * pslog - report current logs path of a process
 * pstopnm - convert a PostScript file into a portable anymap
 * pstore.conf - PStore configuration file
 * pstore.conf.d - PStore configuration file
 * pstree - display a tree of processes
 * pstree.x11 - display a tree of processes
 * ptar - a tar-like program written in perl
 * ptardiff - program that diffs an extracted archive against an unextracted one
 * ptargrep - Apply pattern matching to the contents of files in a tar archive
 * pthread_attr_destroy - initialize and destroy thread attributes object
 * pthread_attr_getaffinity_np - set/get CPU affinity attribute in thread attributes object
 * pthread_attr_getdetachstate - set/get detach state attribute in thread attributes object
 * pthread_attr_getguardsize - set/get guard size attribute in thread attributes object
 * pthread_attr_getinheritsched - set/get inherit-scheduler attribute in thread attribut...
 * pthread_attr_getschedparam - set/get scheduling parameter attributes in thread attrib...
 * pthread_attr_getschedpolicy - set/get scheduling policy attribute in thread attribute...
 * pthread_attr_getscope - set/get contention scope attribute in thread attributes object
 * pthread_attr_getstack - set/get stack attributes in thread attributes object
 * pthread_attr_getstackaddr - set/get stack address attribute in thread attributes object
 * pthread_attr_getstacksize - set/get stack size attribute in thread attributes object
 * pthread_attr_init - initialize and destroy thread attributes object
 * pthread_attr_setaffinity_np - set/get CPU affinity attribute in thread attributes object
 * pthread_attr_setdetachstate - set/get detach state attribute in thread attributes object
 * pthread_attr_setguardsize - set/get guard size attribute in thread attributes object
 * pthread_attr_setinheritsched - set/get inherit-scheduler attribute in thread attribut...
 * pthread_attr_setschedparam - set/get scheduling parameter attributes in thread attrib...
 * pthread_attr_setschedpolicy - set/get scheduling policy attribute in thread attribute...
 * pthread_attr_setscope - set/get contention scope attribute in thread attributes object
 * pthread_attr_setstack - set/get stack attributes in thread attributes object
 * pthread_attr_setstackaddr - set/get stack address attribute in thread attributes object
 * pthread_attr_setstacksize - set/get stack size attribute in thread attributes object
 * pthread_cancel - send a cancellation request to a thread
 * pthread_cleanup_pop - push and pop thread cancellation clean-up handlers
 * pthread_cleanup_pop_restore_np - push and pop thread cancellation clean-up handlers w...
 * pthread_cleanup_push - push and pop thread cancellation clean-up handlers
 * pthread_cleanup_push_defer_np - push and pop thread cancellation clean-up handlers wh...
 * pthread_create - create a new thread
 * pthread_detach - detach a thread
 * pthread_equal - compare thread IDs
 * pthread_exit - terminate calling thread
 * pthread_getaffinity_np - set/get CPU affinity of a thread
 * pthread_getattr_default_np - get or set default thread-creation attributes
 * pthread_getattr_np - get attributes of created thread
 * pthread_getconcurrency - set/get the concurrency level
 * pthread_getcpuclockid - retrieve ID of a thread's CPU time clock
 * pthread_getname_np - set/get the name of a thread
 * pthread_getschedparam - set/get scheduling policy and parameters of a thread
 * pthread_join - join with a terminated thread
 * pthread_kill - send a signal to a thread
 * pthread_kill_other_threads_np - terminate all other threads in process
 * pthread_mutex_consistent - make a robust mutex consistent
 * pthread_mutex_consistent_np - make a robust mutex consistent
 * pthread_mutexattr_getpshared - get/set process-shared mutex attribute
 * pthread_mutexattr_getrobust - get and set the robustness attribute of a mutex attribu...
 * pthread_mutexattr_getrobust_np - get and set the robustness attribute of a mutex attr...
 * pthread_mutexattr_setpshared - get/set process-shared mutex attribute
 * pthread_mutexattr_setrobust - get and set the robustness attribute of a mutex attribu...
 * pthread_mutexattr_setrobust_np - get and set the robustness attribute of a mutex attr...
 * pthread_rwlockattr_getkind_np - set/get the read-write lock kind of the thread read-w...
 * pthread_rwlockattr_setkind_np - set/get the read-write lock kind of the thread read-w...
 * pthread_self - obtain ID of the calling thread
 * pthread_setaffinity_np - set/get CPU affinity of a thread
 * pthread_setattr_default_np - get or set default thread-creation attributes
 * pthread_setcancelstate - set cancelability state and type
 * pthread_setcanceltype - set cancelability state and type
 * pthread_setconcurrency - set/get the concurrency level
 * pthread_setname_np - set/get the name of a thread
 * pthread_setschedparam - set/get scheduling policy and parameters of a thread
 * pthread_setschedprio - set scheduling priority of a thread
 * pthread_sigmask - examine and change mask of blocked signals
 * pthread_sigqueue - queue a signal and data to a thread
 * pthread_spin_destroy - initialize or destroy a spin lock
 * pthread_spin_init - initialize or destroy a spin lock
 * pthread_spin_lock - lock and unlock a spin lock
 * pthread_spin_trylock - lock and unlock a spin lock
 * pthread_spin_unlock - lock and unlock a spin lock
 * pthread_testcancel - request delivery of any pending cancellation request
 * pthread_timedjoin_np - try to join with a terminated thread
 * pthread_tryjoin_np - try to join with a terminated thread
 * pthread_yield - yield the processor
 * pthreads - POSIX threads
 * ptmx - pseudoterminal master and slave
 * pts - pseudoterminal master and slave
 * ptsname - get the name of the slave pseudoterminal
 * ptsname_r - get the name of the slave pseudoterminal
 * pty - pseudoterminal interfaces
 * pulse-cli-syntax - PulseAudio Command Line Interface Syntax
 * pulse-client.conf - PulseAudio client configuration file
 * pulse-daemon.conf - PulseAudio daemon configuration file
 * pulseaudio - The PulseAudio Sound System
 * putc - output of characters and strings
 * putchar - output of characters and strings
 * putenv - change or add an environment variable
 * putgrent - write a group database entry to a file
 * putpwent - write a password file entry
 * puts - output of characters and strings
 * pututline - access utmp file entries
 * pututxline - access utmp file entries
 * putwc - write a wide character to a FILE stream
 * putwchar - write a wide character to standard output
 * pvalloc - allocate aligned memory
 * pvchange - Change attributes of physical volume
 * pvck - Check metadata on physical volumes
 * pvcreate - Initialize physical volume for use by LVM
 * pvdisplay - Display various attributes of physical volume
 * pvmove - Move extents from one physical volume to another
 * pvremove - Remove LVM label from physical volume
 * pvresize - Resize physical volume
 * pvs - Display information about physical volumes
 * pvscan - List all physical volumes
 * pwck - verify integrity of password files
 * pwd - print name of current/working directory
 * pwdx - report current working directory of a process
 * pwgen - generate pronounceable passwords
 * pwquality.conf - configuration for the libpwquality library
 * pwrite - read from or write to a file descriptor at a given offset
 * pwrite64 - read from or write to a file descriptor at a given offset
 * pwritev - read or write data into multiple buffers
 * pwritev2 - read or write data into multiple buffers
 * pxelinux-options - utility to set PXELINUX hard-coded options.
 * py3clean - removes .pyc and .pyo files
 * py3compile - byte compile Python 3 source files
 * py3versions - print python3 version information
 * pyclean - removes .pyc and .pyo files
 * pycompile - byte compile Python source files
 * python2 - an interpreted, interactive, object-oriented programming language
 * python2.7 - an interpreted, interactive, object-oriented programming language
 * python3 - an interpreted, interactive, object-oriented programming language
 * python3-config - output build options for python C/C++ extensions or embedding
 * python3.8 - an interpreted, interactive, object-oriented programming language
 * python3.8-config - output build options for python C/C++ extensions or embedding
 * pyversions - print python version information
 * qecvt - convert a floating-point number to a string
 * qecvt_r - convert a floating-point number to a string
 * qfcvt - convert a floating-point number to a string
 * qfcvt_r - convert a floating-point number to a string
 * qgcvt - convert a floating-point number to a string
 * qmqp-source - parallelized QMQP test generator
 * qpdldecode - Decode a QPDL stream into human readable form.
 * qrttoppm - convert output from the QRT ray tracer into a portable pixmap
 * qshape - Print Postfix queue domain and age distribution
 * qsort - sort an array
 * qsort_r - sort an array
 * qt5ct - Qt5 Configuration Utility
 * query_module - query the kernel for various bits pertaining to modules
 * quotactl - manipulate disk quotas
 * radeon - ATI/AMD RADEON video driver
 * rand (1ssl) - generate pseudo-random bytes
 * rand - pseudo-random number generator
 * RAND_DRBG (7ssl) - the deterministic random bit generator
 * rand_r - pseudo-random number generator
 * random - random number generator
 * random - kernel random number source devices
 * random - overview of interfaces for obtaining randomness
 * random_r - reentrant random number generator
 * ranlib - generate an index to an archive
 * rarp - manipulate the system RARP table
 * rasterizer - SVG conversion
 * raw - Linux IPv4 raw sockets
 * rawtopgm - convert raw grayscale bytes into a portable graymap
 * rbash - restricted bash, see bash
 * rcmd - routines for returning a stream to a remote command
 * rcmd_af - routines for returning a stream to a remote command
 * rcp - OpenSSH secure file copy
 * rctest - RFCOMM testing
 * rdate - set the system's date from a remote host
 * rdma-resource - rdma resource configuration
 * re_comp - BSD regex functions
 * re_exec - BSD regex functions
 * re_format - POSIX.2 regular expressions
 * read - read from a file descriptor
 * rwarray (3am) - write and read gawk arrays to/from files
 * readahead - initiate file readahead into page cache
 * readdir - read directory entry
 * readdir - read a directory
 * readdir (3am) - directory input parser for gawk
 * readdir_r - read a directory
 * readelf - display information about ELF files
 * readfile (3am) - return the entire contents of a file as a string
 * readline (3readline)- get a line from a user with editing
 * readlink - print resolved symbolic links or canonical file names
 * readlink - read value of a symbolic link
 * readlinkat - read value of a symbolic link
 * readom - read or write data Compact Discs
 * readprofile - read kernel profiling information
 * readv - read or write data into multiple buffers
 * realloc - allocate and free dynamic memory
 * reallocarray - allocate and free dynamic memory
 * realpath - print the resolved path
 * realpath - return the canonicalized absolute pathname
 * reboot - reboot or enable/disable Ctrl-Alt-Del
 * reboot - Halt, power-off or reboot the machine
 * recno - record number database access method
 * recode - converts files between character sets
 * recode-sr-latin - convert Serbian text from Cyrillic to Latin script
 * recountdiff - recompute patch counts and offsets
 * recv - receive a message from a socket
 * recvfrom - receive a message from a socket
 * recvmmsg - receive multiple messages on a socket
 * recvmsg - receive a message from a socket
 * red - line-oriented text editor
 * tc-red - Random Early Detection
 * rediff - fix offsets and counts of a hand-edited diff
 * redland - Resource Description Framework (RDF) Library
 * redshift - set color temperature of display according to time of day
 * redshift-gtk - set color temperature of display according to time of day
 * regcomp - POSIX regex functions
 * regdbdump - parse and print out regulatory rules file
 * regedit - Wine registry editor
 * regedit-stable - Wine registry editor
 * regerror - POSIX regex functions
 * regex - POSIX regex functions
 * regex - POSIX.2 regular expressions
 * regexec - POSIX regex functions
 * regexp_table - format of Postfix regular expression tables
 * regfree - POSIX regex functions
 * register-stardata - Install or remove star data catalogues and astronomy programs
 * registerrpc - library routines for remote procedure calls
 * regsvr32 - Wine DLL Registration Server
 * regsvr32-stable - Wine DLL Registration Server
 * regulatory.bin - The Linux wireless regulatory database
 * regulatory.db - The Linux wireless regulatory database
 * rehash (1ssl) - Create symbolic links to files named by the hash values
 * reiserfsck - The checking tool for the ReiserFS filesystem.
 * reiserfstune - The tunning tool for the ReiserFS filesystem.
 * relocated - Postfix relocated table format
 * remainder - floating-point remainder function
 * remainderf - floating-point remainder function
 * remainderl - floating-point remainder function
 * remap_file_pages - create a nonlinear file mapping
 * remove - remove a file or directory
 * remove-default-ispell - remove default ispell dictionary
 * remove-default-wordlist - remove default wordlist
 * remove-shell - remove shells from the list of valid login shells
 * removexattr - remove an extended attribute
 * remque - insert/remove an item from a queue
 * remquo - remainder and part of quotient
 * remquof - remainder and part of quotient
 * remquol - remainder and part of quotient
 * rename - renames multiple files
 * rename - change the name or location of a file
 * rename.ul - rename files
 * renameat - change the name or location of a file
 * renameat2 - change the name or location of a file
 * rendercheck - simple tests of the X Render extension.
 * renice - alter priority of running processes
 * renum - Bywater BASIC interpreter/shell
 * repertoiremap - map symbolic character names to Unicode code points
 * Reply::Plugin::TypeTiny (3pm)- improved type constraint exceptions in Reply
 * req (1ssl) - PKCS#10 certificate request and certificate generating utility
 * request-key - handle key instantiation callback requests from the kernel
 * request-key.conf - Instantiation handler configuration file
 * request_key - request a key from the kernel's key management facility
 * res_init - resolver routines
 * res_mkquery - resolver routines
 * res_nclose - resolver routines
 * res_ninit - resolver routines
 * res_nmkquery - resolver routines
 * res_nquery - resolver routines
 * res_nquerydomain - resolver routines
 * res_nsearch - resolver routines
 * res_nsend - resolver routines
 * res_query - resolver routines
 * res_querydomain - resolver routines
 * res_search - resolver routines
 * res_send - resolver routines
 * reset - terminal initialization
 * resize2fs - ext2/ext3/ext4 file system resizer
 * resize_reiserfs - resizer tool for the ReiserFS filesystem
 * resizecons - change kernel idea of the console size
 * resizepart - tell the kernel about the new size of a partition
 * resolv.conf - resolver configuration file
 * resolvconf - Resolve domain names, IPV4 and IPv6 addresses, DNS resource record...
 * resolvectl - Resolve domain names, IPV4 and IPv6 addresses, DNS resource record...
 * resolved.conf - Network Name Resolution configuration files
 * resolved.conf.d - Network Name Resolution configuration files
 * resolver - resolver routines
 * resolver - resolver configuration file
 * restart_syscall - restart a system call after interruption by a stop signal
 * rev - reverse lines characterwise
 * revoutput (3am) - Reverse output strings sample extension
 * revtwoway (3am) - Reverse strings sample two-way processor extension
 * rewind - reposition a stream
 * rewinddir - reset directory stream
 * rexec - return stream to a remote command
 * rexec_af - return stream to a remote command
 * rfkill - tool for enabling and disabling wireless devices
 * rgb3toppm - combine three portable graymaps into one portable pixmap
 * rgrep - print lines that match patterns
 * rhythmbox - music player and library for tagged files using GStreamer
 * rhythmbox-client - controls a running instance of rhythmbox
 * rifle - ranger's file opener
 * rindex - locate character in string
 * rint - round to nearest integer
 * rintf - round to nearest integer
 * rintl - round to nearest integer
 * rlogin - OpenSSH remote login client
 * rm - remove files or directories
 * rmail - handle remote mail received via uucp
 * rmdir - remove empty directories
 * rmdir - delete a directory
 * rmic - Generates stub, skeleton, and tie classes for remote objects that ...
 * rmid - Starts the activation system daemon that enables objects to be reg...
 * rmiregistry - Starts a remote object registry on the specified port on the curre...
 * rmmod - Simple program to remove a module from the Linux Kernel
 * rmt - remote magnetic tape server
 * rmt-tar - remote magnetic tape server
 * rnano - a restricted nano
 * Role::Tiny::With (3pm)- Neat interface for consumers of Role::Tiny roles
 * round - round to nearest integer, away from zero
 * roundf - round to nearest integer, away from zero
 * roundl - round to nearest integer, away from zero
 * routel - list routes with pretty output format
 * rpc - library routines for remote procedure calls
 * rpm - RPM Package Manager
 * rpm-misc - lesser need options for rpm
 * rpm-plugin-systemd-inhibit - Plugin for the RPM Package Manager
 * rpm2archive - Extract archive archive from RPM Package Manager (RPM) package.
 * rpm2cpio - Extract cpio archive from RPM Package Manager (RPM) package.
 * rpmatch - determine if the answer to a question is affirmative or negative
 * rpmbuild - Build RPM Package
 * rpmdb - RPM Database Tool
 * rpmdeps - Generate RPM Package Dependencies
 * rpmgraph - Display RPM Package Dependency Graph
 * rpmkeys - RPM Keyring
 * rpmquery - RPM Package Manager
 * rpmsign - RPM Package Signing
 * rpmspec - RPM Spec Tool
 * rpmverify - RPM Package Manager
 * rresvport - routines for returning a stream to a remote command
 * rresvport_af - routines for returning a stream to a remote command
 * rsa (1ssl) - RSA key processing tool
 * RSA-PSS (7ssl) - EVP_PKEY RSA-PSS algorithm support
 * rsautl (1ssl) - RSA utility
 * rsh - OpenSSH remote login client
 * rstart - a sample implementation of a Remote Start client
 * rstartd - a sample implementation of a Remote Start rsh helper
 * rsync - a fast, versatile, remote (and local) file-copying tool
 * rsyncd.conf - configuration file for rsync in daemon mode
 * rsyslog.conf - rsyslogd configuration file
 * rsyslogd - reliable and extended syslogd
 * rt_sigreturn - return from signal handler and cleanup stack frame
 * rtc - real-time clock
 * rtcwake - enter a system sleep state until specified wakeup time
 * rtfm - an interface to the system reference manuals
 * rtime - get time from a remote machine
 * rtkitctl - Realtime Policy and Watchdog daemon control
 * rtmon - listens to and monitors RTnetlink
 * rtmpdump - RTMP streaming media client
 * rtmpgw - RTMP streaming media gateway
 * rtmpsuck - a transparent RTMP proxy
 * rtnetlink - Linux IPv4 routing socket
 * rtpr - replace backslashes with newlines.
 * run-mailcap - execute programs via entries in the mailcap file
 * run-parts - run scripts or programs in a directory
 * run-with-aspell - script to help use GNU Aspell as an ispell replacement
 * runcon - run command with specified security context
 * runlevel - Print previous and current SysV runlevel
 * ruserok - routines for returning a stream to a remote command
 * ruserok_af - routines for returning a stream to a remote command
 * rvnamed-ng - reverse name resolution daemon for iptraf
 * s390_guarded_storage - operations with z/Architecture guarded storage facility
 * s390_pci_mmio_read - transfer data to/from PCI MMIO memory page
 * s390_pci_mmio_write - transfer data to/from PCI MMIO memory page
 * s_time (1ssl) - SSL/TLS performance timing program
 * sa - summarizes accounting information
 * samba-regedit - ncurses based tool to manage the Samba registry
 * sane - Scanner Access Now Easy: API for accessing scanners
 * sane-abaton - SANE backend for Abaton flatbed scanners
 * sane-agfafocus - SANE backend for AGFA Focus flatbed scanners
 * sane-apple - SANE backend for Apple flatbed scanners
 * sane-artec - SANE backend for Artec flatbed scanners
 * sane-artec_eplus48u - SANE backend for the scanner Artec E+ 48U and re-badged models
 * sane-avision - SANE backend for original Avision and Avision OEM scanners (HP, Mi...
 * sane-bh - SANE backend for Bell+Howell Copiscan II series document scanners
 * sane-canon - SANE backend for Canon SCSI scanners
 * sane-canon_dr - SANE backend for Canon DR-series scanners
 * sane-canon_pp - SANE backend for Canon CanoScan Parallel Port flatbed scanners
 * sane-cardscan - SANE backend for Corex CardScan usb scanners
 * sane-coolscan - SANE backend for Nikon film-scanners
 * sane-coolscan2 - SANE backend for Nikon Coolscan film scanners
 * sane-coolscan3 - SANE backend for Nikon Coolscan film scanners
 * sane-epjitsu - SANE backend for Epson-based Fujitsu USB scanners.
 * sane-epson - SANE backend for EPSON scanners
 * sane-epson2 - SANE backend for EPSON scanners
 * sane-epsonds - SANE backend for EPSON ESC/I-2 scanners
 * sane-escl - SANE backend for eSCL scanners
 * sane-find-scanner - find SCSI and USB scanners and their device files
 * sane-fujitsu - SANE backend for Fujitsu flatbed and ADF scanners
 * sane-genesys - SANE backend for GL646, GL841, GL843, GL847 and GL124 based USB fl...
 * sane-gt68xx - SANE backend for GT-68XX based USB flatbed scanners
 * sane-hp - SANE backend for HP ScanJet scanners
 * sane-hp3500 - SANE backend for Hewlett-Packard ScanJet 3500 series scanners
 * sane-hp3900 - SANE backend for RTS8822 chipset based scanners
 * sane-hp4200 - SANE backend for Hewlett-Packard 4200 scanners
 * sane-hp5400 - SANE backend for Hewlett-Packard 54XX scanners
 * sane-hp5590 - SANE backend for Hewlett-Packard 4500C/4570C/5500C/5550C/5590/7650...
 * sane-hs2p - SANE backend for Ricoh SCSI flatbed/ADF scanners
 * sane-ibm - SANE backend for IBM and Ricoh SCSI flatbed scanners
 * sane-kodak - SANE backend for big Kodak flatbed and ADF scanners
 * sane-kodakaio - SANE backend for Kodak aio printer / scanners
 * sane-kvs1025 - SANE backend for Panasonic KV-S102xC USB ADF scanners.
 * sane-kvs20xx - SANE backend for Panasonic KV-S20xxC USB/SCSI ADF scanners.
 * sane-kvs40xx - SANE backend for Panasonic KV-S40xxC USB/SCSI ADF scanners.
 * sane-leo - SANE backend for LEO Technologies scanners
 * sane-lexmark - SANE backend for Lexmark X1100/X1200 Series scanners
 * sane-magicolor - SANE backend for KONICA MINOLTA magicolor scanners
 * sane-matsushita - SANE backend for Panasonic KV-SS high speed scanners
 * sane-microtek - SANE backend for Microtek scanners
 * sane-microtek2 - SANE backend for Microtek scanners with SCSI-2 command set
 * sane-mustek - SANE backend for Mustek SCSI flatbed scanners (and some other devi...
 * sane-mustek_pp - SANE backend for Mustek parallel port flatbed scanners
 * sane-mustek_usb - SANE backend for Mustek USB flatbed scanners
 * sane-mustek_usb2 - SANE backend for SQ113 based USB flatbed scanners
 * sane-nec - SANE backend for NEC scanners
 * sane-niash - SANE backend for scanners based on the NIASH chipset.
 * sane-p5 - SANE backend for the Primax PagePartner
 * sane-pie - SANE backend for PIE, Devcom and AdLib SCSI flatbed scanners
 * sane-pieusb - SANE backend for USB-connected PIE PowerSlide and Reflecta DigitDi...
 * sane-pint - SANE backend for scanners that use the PINT device driver
 * sane-pixma - SANE backend for Canon Multi-Function Printers and CanoScan Scanners
 * sane-plustek - SANE backend for LM983[1/2/3] based USB flatbed scanners
 * sane-plustek_pp - SANE backend for Plustek parallel port flatbed scanners
 * sane-pnm - SANE PNM image reader pseudo-backend
 * sane-ricoh - SANE backend for Ricoh flatbed scanners
 * sane-ricoh2 - SANE backend for Ricoh flatbed scanners
 * sane-rts8891 - SANE backend for rts8891 based scanners
 * sane-s9036 - SANE backend for Siemens 9036 flatbed scanners
 * sane-sceptre - SANE backend for SCEPTRE scanners
 * sane-scsi - SCSI adapter tips for scanners
 * sane-sharp - SANE backend for SHARP scanners
 * sane-sm3600 - SANE backend for Microtek scanners with M011 USB chip
 * sane-sm3840 - SANE backend for Microtek scanners with SCAN08 USB chip
 * sane-snapscan - SANE backend for AGFA SnapScan flatbed scanners
 * sane-st400 - SANE backend for Siemens ST/Highscan flatbed scanners
 * sane-tamarack - SANE backend for Tamarack flatbed scanners
 * sane-teco1 - SANE backend for TECO / RELISYS scanners
 * sane-teco2 - SANE backend for TECO / RELISYS scanners
 * sane-teco3 - SANE backend for TECO / RELISYS scanners
 * sane-u12 - SANE backend for Plustek USB flatbed scanners, based on older parp...
 * sane-umax - SANE backend for UMAX scanners
 * sane-umax1220u - SANE backend for the UMAX Astra 1220U and similar scanners
 * sane-umax_pp - SANE backend for Umax Astra parallel port flatbed scanners
 * sbattach - UEFI secure boot detached signature tool
 * sbigtopgm - convert an SBIG CCDOPS file into a portable graymap
 * sbsiglist - Create EFI_SIGNATURE_LIST signature databases
 * sbsign - UEFI secure boot signing tool
 * sbvarsign - UEFI authenticated variable signing tool
 * sbverify - UEFI secure boot verification tool
 * sc - spreadsheet calculator
 * scache (8postfix) - Postfix shared connection cache server
 * scandir - scan a directory for matching entries
 * scandirat - scan a directory for matching entries
 * scanf - input format conversion
 * sccmap - extract strongly connected components of directed graphs
 * sched_get_priority_max - get static priority range
 * sched_get_priority_min - get static priority range
 * sched_getaffinity - set and get a thread's CPU affinity mask
 * sched_getattr - set and get scheduling policy and attributes
 * sched_getcpu - determine CPU on which the calling thread is running
 * sched_getparam - set and get scheduling parameters
 * sched_getscheduler - set and get scheduling policy/parameters
 * sched_rr_get_interval - get the SCHED_RR interval for the named process
 * sched_setaffinity - set and get a thread's CPU affinity mask
 * sched_setattr - set and get scheduling policy and attributes
 * sched_setparam - set and get scheduling parameters
 * sched_setscheduler - set and get scheduling policy/parameters
 * scp - OpenSSH secure file copy
 * scr_dump - format of curses screen-dumps.
 * screendump - dump the contents of a virtual console to stdout
 * script - make typescript of terminal session
 * scriptreplay - play back typescripts, using timing information
 * sd - driver for SCSI disk drives
 * sdptool - control and interrogate SDP servers
 * seahorse - Passwords and Keys
 * seccomp - operate on Secure Computing state of the process
 * secure_getenv - get an environment variable
 * securetty - file which lists terminals from which root can log in
 * security - unimplemented system calls
 * sed - stream editor for filtering and transforming text
 * see - execute programs via entries in the mailcap file
 * seed48 - generate uniformly distributed pseudo-random numbers
 * seed48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * seekdir - set the position of the next readdir call in the directory stream.
 * select-editor - select your default sensible-editor from all installed editors
 * sem_close - close a named semaphore
 * sem_destroy - destroy an unnamed semaphore
 * sem_getvalue - get the value of a semaphore
 * sem_init - initialize an unnamed semaphore
 * sem_open - initialize and open a named semaphore
 * sem_overview - overview of POSIX semaphores
 * sem_post - unlock a semaphore
 * sem_timedwait - lock a semaphore
 * sem_trywait - lock a semaphore
 * sem_unlink - remove a named semaphore
 * sem_wait - lock a semaphore
 * semanage.conf - global configuration file for the SELinux Management library
 * semctl - System V semaphore control operations
 * semget - get a System V semaphore set identifier
 * semop - System V semaphore operations
 * semtimedop - System V semaphore operations
 * sendfile - transfer data between file descriptors
 * sendfile64 - transfer data between file descriptors
 * sensors - print sensors information
 * sensors-conf-convert - sensors configuration conversion
 * sensors-detect - detect hardware monitoring chips
 * sensors.conf - libsensors configuration file
 * seq - print a sequence of numbers
 * Sereal::Decoder (3pm)- Fast, compact, powerful binary deserialization
 * Sereal::Encoder (3pm)- Fast, compact, powerful binary serialization
 * Sereal::Performance (3pm)- Getting the most out of the Perl-Sereal implementation
 * serialver - Returns the serial version UID for specified classes.
 * service - run a System V init script
 * session-keyring - session shared process keyring
 * sessreg - manage utmpx/wtmpx entries for non-init clients
 * set_mempolicy - set default NUMA memory policy for a thread and its children
 * set_thread_area - manipulate thread-local storage information
 * set_tid_address - set pointer to thread ID
 * setaliasent - read an alias entry
 * setarch - change reported architecture in new program environment and/or set...
 * setbuf - stream buffering operations
 * setbuffer - stream buffering operations
 * setcifsacl - Userspace helper to alter an ACL in a security descriptor for Comm...
 * setenv - change or add an environment variable
 * setfattr - set extended attributes of filesystem objects
 * setfont - load EGA/VGA console screen font
 * setfsent - handle fstab entries
 * setgrent - get group file entry
 * sethostid - get or set the unique identifier of the current host
 * sethostid - get or set the unique identifier of the current host
 * setkeycodes - load kernel scancode-to-keycode mapping table entries
 * setlinebuf - stream buffering operations
 * setlocale - set the current locale
 * setlogmask - set log priority mask
 * setmntent - get filesystem descriptor file entry
 * setnetgrent - handle network group entries
 * setns - reassociate thread with a namespace
 * setpci - configure PCI devices
 * setpriority - get/set program scheduling priority
 * setpriv - run a program with different Linux privilege settings
 * setregid - set real and/or effective user or group ID
 * setregid32 - set real and/or effective user or group ID
 * setresgid - set real, effective and saved user or group ID
 * setresgid32 - set real, effective and saved user or group ID
 * setresuid - set real, effective and saved user or group ID
 * setresuid32 - set real, effective and saved user or group ID
 * setreuid - set real and/or effective user or group ID
 * setreuid32 - set real and/or effective user or group ID
 * setrlimit - get/set resource limits
 * setsid - creates a session and sets the process group ID
 * setstate - random number generator
 * setstate_r - reentrant random number generator
 * setterm - set terminal attributes
 * setusershell - get permitted user shells
 * setutent - access utmp file entries
 * setutxent - access utmp file entries
 * setvbuf - stream buffering operations
 * setvesablank - Turn VESA screen blanking on or off
 * setvtrgb - set the virtual terminal RGB colors
 * setxattr - set an extended attribute value
 * sfdp - filter for drawing large undirected graphs
 * sftp - OpenSSH secure file transfer
 * sg - execute command as different group ID
 * sh - command interpreter (shell)
 * sha1pass - Create a SHA1 password hash
 * shasum - Print or Check SHA Checksums
 * shm_open - create/open or unlink POSIX shared memory objects
 * shm_overview - overview of POSIX shared memory
 * shm_unlink - create/open or unlink POSIX shared memory objects
 * shmat - System V shared memory operations
 * shmctl - System V shared memory control
 * shmdt - System V shared memory operations
 * shmget - allocates a System V shared memory segment
 * shmop - System V shared memory operations
 * showconsolefont - Show the current EGA/VGA console screen font
 * shred - overwrite a file to hide its contents, and optionally delete it
 * shuf - generate random permutations
 * shutdown - Halt, power-off or reboot the machine
 * sigevent - structure for notification from asynchronous routines
 * sigignore - System V signal API
 * siginterrupt - allow signals to interrupt system calls
 * signalfd - create a file descriptor for accepting signals
 * signalfd4 - create a file descriptor for accepting signals
 * signbit - test sign of a real floating-point number
 * sigorset - POSIX signal set operations
 * sigpause - atomically release blocked signals and wait for interrupt
 * sigrelse - System V signal API
 * sigreturn - return from signal handler and cleanup stack frame
 * sirtopnm - convert a Solitaire file into a portable anymap
 * tc-skbprio - SKB Priority Queue
 * skill - send a signal or report process status
 * slabtop - display kernel slab cache information in real time
 * slattach - attach a network interface to a serial line
 * slick-greeter - distro agnostic LightDM greeter
 * slick-greeter-check-hidpi - distro agnostic LightDM greeter
 * slick-greeter-set-keyboard-layout - switch keyboard layout
 * SLIST_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_REMOVE_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * sln - create symbolic links
 * slogin - OpenSSH remote login client
 * slxdecode - Decode a SLX stream into human readable form.
 * SM2 (7ssl) - Chinese SM2 signature and encryption algorithm support
 * smartpqi - Microsemi Smart Family SCSI driver
 * smbcacls - Set or get ACLs on an NT file or directory names
 * smbclient - ftp-like client to access SMB/CIFS resources on servers
 * smbcquotas - Set or get QUOTAs of NTFS 5 shares
 * smbgetrc - configuration file for smbget
 * smbinfo - Userspace helper to display SMB-specific file information for the ...
 * smbspool - send a print file to an SMB printer
 * smbspool_krb5_wrapper - This is a CUPS printing backend which calls smbspool
 * smbtar - shell script for backing up SMB/CIFS shares directly to UNIX tape ...
 * smbtree - A text based smb network browser
 * smtp-source - parallelized SMTP/LMTP test generator
 * snice - send a signal or report process status
 * snprintf - formatted output conversion
 * socket - create an endpoint for communication
 * socketpair - create a pair of connected sockets
 * soelim - interpret .so requests in groff input
 * software-properties-gtk - Software Sources List editor
 * software-properties-kde - Software Sources List editor
 * software-sources - Software Sources List editor
 * sotruss - trace shared library calls through PLT
 * sources.list - List of configured APT data sources
 * spctoppm - convert an Atari compressed Spectrum file into a portable pixmap
 * spd-conf - configure Speech Dispatcher and diagnose problems
 * spd-say - send text-to-speech output request to speech-dispatcher
 * speed (1ssl) - test library performance
 * spkac (1ssl) - SPKAC printing and generating utility
 * splitdiff - separate out incremental patches
 * splitfont - extract characters from an ISO-type font.
 * sponge - soak up standard input and write to a file
 * sprintf - formatted output conversion
 * sprof - read and display shared object profiling data
 * spu_create - create a new spu context
 * spufs - SPU filesystem
 * sputoppm - convert an Atari uncompressed Spectrum file into a portable pixmap
 * sqrt - square root function
 * sqrtf - square root function
 * sqrtl - square root function
 * srand - pseudo-random number generator
 * srand48 - generate uniformly distributed pseudo-random numbers
 * srand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * srandom - random number generator
 * srandom_r - reentrant random number generator
 * sscanf - input format conversion
 * ssh - OpenSSH remote login client
 * ssh-add - adds private key identities to the OpenSSH authentication agent
 * ssh-argv0 - replaces the old ssh command-name as hostname handling
 * ssh-copy-id - use locally available keys to authorise logins on a remote machine
 * ssh-keyscan - gather SSH public keys from servers
 * ssignal - software signal facility
 * ssl (7ssl) - OpenSSL SSL/TLS library
 * st4topgm - convert an SBIG ST4 format file into a portable graymap
 * STAILQ_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_REMOVE_HEAD - implementations of singly-linked lists, singly-linked tail queue...
 * starconvert - convert text data files to StarPlot format
 * starpkg - convert a StarPlot data set to StarPlot file format
 * starplot - view 3d perspective maps of stars
 * start-pulseaudio-x11 - PulseAudio Sound Server X11 Startup Script
 * stdarg - variable argument lists
 * stdbuf - Run COMMAND, with modified buffering operations for its standard s...
 * stderr - standard I/O streams
 * stdin - standard I/O streams
 * stdio - standard input/output library functions
 * stdio_ext - interfaces to stdio FILE structure
 * stdout - standard I/O streams
 * storeutl (1ssl) - STORE utility
 * stpcpy - copy a string returning a pointer to its end
 * stpncpy - copy a fixed-size string, returning a pointer to its end
 * strcasecmp - compare two strings ignoring case
 * strcasestr - locate a substring
 * strcat - concatenate two strings
 * strchr - locate character in string
 * strchrnul - locate character in string
 * strcmp - compare two strings
 * strcoll - compare two strings using the current locale
 * strcpy - copy a string
 * strcspn - get length of a prefix substring
 * strdup - duplicate a string
 * strdupa - duplicate a string
 * stream - a lightweight tool to stream one or more pixel components of the i...
 * stream-im6 - a lightweight tool to stream one or more pixel components of the i...
 * stream-im6.q16 - a lightweight tool to stream one or more pixel components of the i...
 * streamer - record audio and/or video
 * streamripper - rip shoutcast radio streams to mp3 files
 * strerror - return string describing error number
 * strerror_l - return string describing error number
 * strerror_r - return string describing error number
 * strfmon - convert monetary value to a string
 * strfmon_l - convert monetary value to a string
 * strfromd - convert a floating-point value into a string
 * strfromf - convert a floating-point value into a string
 * strfroml - convert a floating-point value into a string
 * strfry - randomize a string
 * strictures (3pm) - Turn on strict and make most warnings fatal
 * strictures::extra (3pm)- enable or disable strictures additional checks
 * string - string operations
 * strings - print the sequences of printable characters in files
 * strip - discard symbols and other data from object files
 * strlen - calculate the length of a string
 * strncasecmp - compare two strings ignoring case
 * strncat - concatenate two strings
 * strncmp - compare two strings
 * strncpy - copy a string
 * strndup - duplicate a string
 * strndupa - duplicate a string
 * strnlen - determine the length of a fixed-size string
 * strpbrk - search a string for any of a set of bytes
 * strptime - convert a string representation of time to a time tm structure
 * strrchr - locate character in string
 * strsep - extract token from string
 * strsignal - return string describing signal
 * strspn - get length of a prefix substring
 * strstr - locate a substring
 * strtod - convert ASCII string to floating-point number
 * strtof - convert ASCII string to floating-point number
 * strtoimax - convert string to integer
 * strtok - extract tokens from strings
 * strtok_r - extract tokens from strings
 * strtol - convert a string to a long integer
 * strtold - convert ASCII string to floating-point number
 * strtoll - convert a string to a long integer
 * strtoq - convert a string to a long integer
 * strtoul - convert a string to an unsigned long integer
 * strtoull - convert a string to an unsigned long integer
 * strtoumax - convert string to integer
 * strtouq - convert a string to an unsigned long integer
 * Struct::Dumb (3pm) - make simple lightweight record-like structures
 * strverscmp - compare two version strings
 * strxfrm - string transformation
 * stty - change and print terminal line settings
 * Sub::Defer (3pm) - Defer generation of subroutines until they are first called
 * Sub::Exporter::Progressive (3pm)- Only use Sub::Exporter if you need it
 * Sub::Identify (3pm) - Retrieve names of code references
 * Sub::Name (3pm) - (Re)name a sub
 * Sub::Override (3pm) - Perl extension for easily overriding subroutines
 * Sub::Quote (3pm) - Efficient generation of subroutines via string eval
 * subpage_prot - define a subpage protection for an address range
 * subscriptions.conf - subscription configuration file for cups
 * sudoers - default sudo security policy plugin
 * sudoers_timestamp - Sudoers Time Stamp Format
 * sudoreplay - replay sudo session logs
 * svc_destroy - library routines for remote procedure calls
 * svc_freeargs - library routines for remote procedure calls
 * svc_getargs - library routines for remote procedure calls
 * svc_getcaller - library routines for remote procedure calls
 * svc_getreq - library routines for remote procedure calls
 * svc_getreqset - library routines for remote procedure calls
 * svc_register - library routines for remote procedure calls
 * svc_run - library routines for remote procedure calls
 * svc_sendreply - library routines for remote procedure calls
 * svc_unregister - library routines for remote procedure calls
 * svcerr_auth - library routines for remote procedure calls
 * svcerr_decode - library routines for remote procedure calls
 * svcerr_noproc - library routines for remote procedure calls
 * svcerr_noprog - library routines for remote procedure calls
 * svcerr_progvers - library routines for remote procedure calls
 * svcerr_systemerr - library routines for remote procedure calls
 * svcerr_weakauth - library routines for remote procedure calls
 * svcfd_create - library routines for remote procedure calls
 * svcraw_create - library routines for remote procedure calls
 * svctcp_create - library routines for remote procedure calls
 * svcudp_bufcreate - library routines for remote procedure calls
 * svcudp_create - library routines for remote procedure calls
 * svgpp - pretty-printer for SVG files
 * swaplabel - print or change the label or UUID of a swap area
 * switch_root - switch to another filesystem as the root of the mount tree
 * swprintf - formatted wide-character output conversion
 * symcryptrun - Call a simple symmetric encryption tool
 * synaptic - graphical management of software packages
 * sync - Synchronize cached writes to persistent storage
 * sys_errlist - print a system error message
 * sys_nerr - print a system error message
 * syscall - indirect system call
 * sysctl - read/write system parameters
 * sysctl - configure kernel parameters at runtime
 * sysctl.conf - sysctl preload/configuration file
 * sysctl.d - Configure kernel parameters at boot
 * sysinfo - return system information
 * syslinux2ansi - converts a syslinux-format screen to pc-ansi
 * syslog - read and/or clear kernel message ring buffer; set console_loglevel
 * system-config-printer - configure a CUPS server
 * system-config-printer-applet - print job manager
 * systemd-backlight - Load and save the display backlight brightness at boot and shutdown
 * systemd-backlight@.service - Load and save the display backlight brightness at boot a...
 * systemd-binfmt - Configure additional binary formats for executables at boot
 * systemd-binfmt.service - Configure additional binary formats for executables at boot
 * systemd-bless-boot - Mark current boot process as successful
 * systemd-bless-boot.service - Mark current boot process as successful
 * systemd-boot-check-no-failures - verify that the system booted up cleanly
 * systemd-boot-check-no-failures.service - verify that the system booted up cleanly
 * systemd-boot-system-token.service - Generate an initial boot loader system token and ...
 * systemd-cgls - Recursively show control group contents
 * systemd-cgtop - Show top control groups by their resource usage
 * systemd-coredump - Acquire, save and process core dumps
 * systemd-coredump.socket - Acquire, save and process core dumps
 * systemd-coredump@.service - Acquire, save and process core dumps
 * systemd-delta - Find overridden configuration files
 * systemd-environment-d-generator - Load variables specified by environment.d
 * systemd-escape - Escape strings for usage in systemd unit names
 * systemd-fsckd - File system check progress reporting
 * systemd-fsckd.service - File system check progress reporting
 * systemd-fsckd.socket - File system check progress reporting
 * systemd-gpt-auto-generator - Generator for automatically discovering and mounting roo...
 * systemd-growfs - Creating and growing file systems on demand
 * systemd-growfs@.service - Creating and growing file systems on demand
 * systemd-hibernate-resume - Resume from hibernation
 * systemd-hibernate-resume-generator - Unit generator for resume= kernel parameter
 * systemd-hibernate-resume@.service - Resume from hibernation
 * systemd-hwdb - hardware database management tool
 * systemd-hybrid-sleep.service - System sleep state logic
 * systemd-id128 - Generate and print sd-128 identifiers
 * systemd-makefs - Creating and growing file systems on demand
 * systemd-makefs@.service - Creating and growing file systems on demand
 * systemd-mkswap@.service - Creating and growing file systems on demand
 * systemd-pstore - A service to archive contents of pstore
 * systemd-pstore.service - A service to archive contents of pstore
 * systemd-quotacheck - File system quota checker logic
 * systemd-quotacheck.service - File system quota checker logic
 * systemd-random-seed - Load and save the system random seed at boot and shutdown
 * systemd-random-seed.service - Load and save the system random seed at boot and shutdown
 * systemd-rc-local-generator - Compatibility generator for starting /etc/rc.local durin...
 * systemd-reboot.service - System shutdown logic
 * systemd-remount-fs - Remount root and kernel file systems
 * systemd-remount-fs.service - Remount root and kernel file systems
 * systemd-resolved - Network Name Resolution manager
 * systemd-resolved.service - Network Name Resolution manager
 * systemd-rfkill - Load and save the RF kill switch state at boot and change
 * systemd-rfkill.service - Load and save the RF kill switch state at boot and change
 * systemd-rfkill.socket - Load and save the RF kill switch state at boot and change
 * systemd-run - Run programs in transient scope units, service units, or path-, so...
 * systemd-socket-proxyd - Bidirectionally proxy local sockets to another (possibly remo...
 * systemd-sysctl - Configure kernel parameters at boot
 * systemd-sysctl.service - Configure kernel parameters at boot
 * systemd-system-update-generator - Generator for redirecting boot to offline update mode
 * systemd-sysusers - Allocate system users and groups
 * systemd-sysusers.service - Allocate system users and groups
 * systemd-sysv-generator - Unit generator for SysV init scripts
 * systemd-tmpfiles - Creates, deletes and cleans up volatile and temporary files and di...
 * systemd-tmpfiles-clean.service - Creates, deletes and cleans up volatile and temporar...
 * systemd-tmpfiles-clean.timer - Creates, deletes and cleans up volatile and temporary ...
 * systemd-tmpfiles-setup-dev.service - Creates, deletes and cleans up volatile and temp...
 * systemd-tmpfiles-setup.service - Creates, deletes and cleans up volatile and temporar...
 * systemd-tty-ask-password-agent - List or process pending systemd password requests
 * systemd-update-utmp - Write audit and utmp updates at bootup, runlevel changes and sh...
 * systemd-update-utmp-runlevel.service - Write audit and utmp updates at bootup, runlev...
 * systemd-update-utmp.service - Write audit and utmp updates at bootup, runlevel change...
 * systemd-veritysetup - Disk integrity protection logic
 * systemd-veritysetup-generator - Unit generator for integrity protected block devices
 * systemd-veritysetup@.service - Disk integrity protection logic
 * systemd.directives - Index of configuration directives
 * systemd.environment-generator - systemd environment file generators
 * systemd.generator - systemd unit generators
 * systemd.kill - Process killing procedure configuration
 * systemd.preset - Service enablement presets
 * systemd.resource-control - Resource control unit settings
 * sysusers.d - Declarative allocation of system users and groups
 * t1ascii - convert PostScript Type 1 font from binary to ASCII
 * t1asm - assemble PostScript Type 1 font
 * t1binary - convert PostScript Type 1 font from ASCII to binary
 * t1disasm - disassemble PostScript Type 1 font
 * t1mac - translate a PFA or PFB PostScript Type 1 font into Macintosh format
 * t1unmac - translate a Mac PostScript Type 1 font into PFA or PFB format
 * tac - concatenate and print files in reverse
 * TAILQ_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FOREACH_REVERSE - implementations of singly-linked lists, singly-linked tail qu...
 * TAILQ_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail queu...
 * TAILQ_PREV - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * tc-taprio - Time Aware Priority Shaper
 * tar - an archiving utility
 * tarcat - concatenates the pieces of a GNU tar multi-volume archive
 * taskset - set or retrieve a process's CPU affinity
 * tbl-dctrl - generate tabular representations of data in dctrl format
 * tc-bfifo - Packet limited First In, First Out queue
 * tc-bpf - BPF programmable classifier and actions for ingress/egress queuein...
 * tc-cbs - Credit Based Shaper (CBS) Qdisc
 * tc-codel - Controlled-Delay Active Queue Management algorithm
 * tc-connmark - netfilter connmark retriever action
 * tc-ematch - extended matches for use with "basic", "cgroup" or "flow" filters
 * tc-etf - Earliest TxTime First (ETF) Qdisc
 * tc-hfsc - Hierarchical Fair Service Curve
 * tc-hfsc - Hierarchical Fair Service Curve's control under linux
 * tc-htb - Hierarchy Token Bucket
 * tc-nat - stateless native address translation action
 * tc-pedit - generic packet editor action
 * tc-pfifo - Packet limited First In, First Out queue
 * tc-pfifo_fast - three-band first in, first out queue
 * tc-pie - Proportional Integral controller-Enhanced AQM algorithm
 * tc-skbmod - user-friendly packet editor action
 * tc-stab - Generic size table manipulations
 * tc-u32 - universal 32bit traffic control filter
 * tcdrain - get and set terminal attributes, line control, get and set baud rate
 * tcflow - get and set terminal attributes, line control, get and set baud rate
 * tcflush - get and set terminal attributes, line control, get and set baud rate
 * tcgetattr - get and set terminal attributes, line control, get and set baud rate
 * tcgetpgrp - get and set terminal foreground process group
 * tcsendbreak - get and set terminal attributes, line control, get and set baud rate
 * tcsetattr - get and set terminal attributes, line control, get and set baud rate
 * tcsetpgrp - get and set terminal foreground process group
 * tdelete - manage a binary search tree
 * tdestroy - manage a binary search tree
 * tee - read from standard input and write to standard output and files
 * telldir - return current location in directory stream
 * tempfile - create a temporary file in a safe manner
 * tempnam - create a name for a temporary file
 * Term::ReadLine::Gnu (3pm)- Perl extension for the GNU Readline/History Library
 * terminal-colors.d - Configure output colorization for various utilities
 * termio - System V terminal driver interface
 * termios - get and set terminal attributes, line control, get and set baud rate
 * test - check file types and compare values
 * Test::Lintian::Build -- routines to prepare the work directories
 * Test::Lintian::ConfigFile -- generic helper routines for colon-delimited configurati...
 * Test::Lintian::Helper -- Helper functions for various testing parts
 * Test::Lintian::Hooks -- hook routines for the test runners
 * Test::Lintian::Prepare -- routines to prepare the work directories
 * Test::Lintian::Run -- generic runner for all suites
 * Test::ScriptAge -- routines relating to the age of Perl scripts
 * testparm - check an smb.conf configuration file for internal correctness
 * Text::CharWidth (3pm)- Get number of occupied columns of a string on terminal
 * Text::Iconv (3pm) - Perl interface to iconv codeset conversion function
 * Text::Levenshtein (3pm)- calculate the Levenshtein edit distance between two strings
 * Text::WrapI18N (3pm)- Line wrapping module with support for multibyte, fullwidth, and co...
 * textdomain - set domain for future gettext calls
 * tfind - manage a binary search tree
 * tgkill - send a signal to a thread
 * tgz - makes a gzip'd tar archive
 * thinkjettopbm - convert HP ThinkJet printer commands file to PBM
 * thread-keyring - per-thread keyring
 * thunderbird - thunderbird- Mail User Agent (MUA) and newsgroup/RSS client for X...
 * tic - the terminfo entry-description compiler
 * Tie::IxHash (3pm) - ordered associative arrays for Perl
 * tificc - little cms ICC profile applier for TIFF.
 * time - run programs and summarize system resource usage
 * time - overview of time and timers
 * Time::Duration (3pm)- rounded or exact English expression of durations
 * timegm - inverses of gmtime and localtime
 * timelocal - inverses of gmtime and localtime
 * timer_create - create a POSIX per-process timer
 * timer_getoverrun - get overrun count for a POSIX per-process timer
 * timerclear - timeval operations
 * timercmp - timeval operations
 * timerfd_create - timers that notify via file descriptors
 * timerfd_gettime - timers that notify via file descriptors
 * timerfd_settime - timers that notify via file descriptors
 * timerisset - timeval operations
 * timersub - timeval operations
 * timezone - initialize time conversion information
 * tipc-bearer - show or modify TIPC bearers
 * tipc-node - modify and show local node parameters or list peer nodes
 * tkill - send a signal to a thread
 * tload - graphic representation of system load average
 * tmpfile - create a temporary file
 * tmpfiles.d - Configuration for creation, deletion and cleaning of volatile and ...
 * tmpnam - create a name for a temporary file
 * tmpnam_r - create a name for a temporary file
 * toe - table of (terminfo) entries
 * toilet - display large colourful characters
 * tolower - convert uppercase or lowercase
 * tolower_l - convert uppercase or lowercase
 * toupper - convert uppercase or lowercase
 * toupper_l - convert uppercase or lowercase
 * towlower - convert a wide character to lowercase
 * towlower_l - convert a wide character to lowercase
 * towupper - convert a wide character to uppercase
 * towupper_l - convert a wide character to uppercase
 * tr - translate or delete characters
 * trace (8postfix) - Postfix delivery status reports
 * tracepath - traces path to a network host discovering MTU along this path
 * transform - apply geometric transformations to the input.
 * transicc - little cms ColorSpace conversion calculator.
 * transmission-gtk - a bittorrent client
 * transset - Set transparency on a window
 * tred - transitive reduction filter for directed graphs
 * trivial-rewrite (8postfix)- Postfix address rewriting and resolving daemon
 * truncate - shrink or extend the size of a file to the specified size
 * trust - Tool for operating on the trust policy store
 * Try::Tiny (3pm) - Minimal try/catch with proper preservation of $@
 * ts (1ssl) - Time Stamping Authority tool (client/server)
 * tsearch - manage a binary search tree
 * tty - print the file name of the terminal connected to standard input
 * tty_ioctl - ioctls for terminals and serial lines
 * ttyname - return name of a terminal
 * ttyname_r - return name of a terminal
 * ttyS - serial terminal lines
 * ttyslot - find the slot of the current user's terminal in some file
 * tune2fs - adjust tunable filesystem parameters on ext2/ext3/ext4 filesystems
 * twalk - manage a binary search tree
 * twalk_r - manage a binary search tree
 * Type::Coercion (3pm)- a set of coercions to a particular target type constraint
 * Type::Coercion::FromMoose (3pm)- a set of coercions borrowed from Moose
 * Type::Coercion::Union (3pm)- a set of coercions to a union type constraint
 * Type::Library (3pm) - tiny, yet Moo(se)-compatible type libraries
 * Type::Params (3pm) - Params::Validate-like parameter validation using Type::Tiny type c...
 * Type::Parser (3pm) - parse type constraint strings
 * Type::Registry (3pm)- a glorified hashref for looking up type constraints
 * Type::Tiny::ConstrainedObject (3pm)- shared behavour for Type::Tiny::Class, etc
 * Type::Tiny::Enum (3pm)- string enum type constraints
 * Type::Tiny::Intersection (3pm)- intersection type constraints
 * Type::Tiny::Manual::Coercions (3pm)- advanced information on coercions
 * Type::Tiny::Manual::Contributing (3pm)- contributing to Type::Tiny development.
 * Type::Tiny::Manual::Libraries (3pm)- defining your own type libraries
 * Type::Tiny::Manual::NonOO (3pm)- Type::Tiny in non-object-oriented code
 * Type::Tiny::Manual::UsingWithTestMore (3pm)- Type::Tiny for test suites
 * Types::Common::Numeric (3pm)- drop-in replacement for MooseX::Types::Common::Numeric
 * Types::Common::String (3pm)- drop-in replacement for MooseX::Types::Common::String
 * Types::Standard::ArrayRef (3pm)- internals for the Types::Standard ArrayRef type constraint
 * Types::Standard::HashRef (3pm)- internals for the Types::Standard HashRef type constraint
 * Types::Standard::ScalarRef (3pm)- internals for the Types::Standard ScalarRef type const...
 * tzname - initialize time conversion information
 * tzset - initialize time conversion information
 * ucf - Update Configuration File: preserve user changes in configuration ...
 * ucfr - Update Configuration File Registry: associate packages with config...
 * udp - User Datagram Protocol for IPv4
 * ufw - program for managing a netfilter firewall
 * ugetrlimit - get/set resource limits
 * umask - set file mode creation mask
 * umax_pp - SANE backend for Umax Astra parallel port flatbed scanners
 * umount.ecryptfs_private - eCryptfs private unmount helper.
 * uname - print system information
 * uname - get name and information about current kernel
 * uncompress - compress or expand files
 * undocumented - undocumented library functions
 * unflatten - adjust directed graphs to improve layout aspect ratio
 * ungetc - input of characters and strings
 * ungetwc - push back a wide character onto a FILE stream
 * unicode - universal character set
 * unicode_stop - revert keyboard and console from unicode mode
 * uniq - report or omit repeated lines
 * units - decimal and binary prefixes
 * unix_chkpwd - Helper binary that verifies the password of the current user
 * unlink - call the unlink function to remove the specified file
 * unlink - delete a name and possibly the file it refers to
 * unlinkat - delete a name and possibly the file it refers to
 * unlockpt - unlock a pseudoterminal master/slave pair
 * unlz4 - lz4, unlz4, lz4cat- Compress or decompress .lz4 files
 * unlzma - Compress or decompress .xz and .lzma files
 * unopkg - LibreOffice Extension Manager
 * unrar - extract files from rar archives
 * unrar-nonfree - extract files from rar archives
 * unsetenv - change or add an environment variable
 * unshare - run program with some namespaces unshared from parent
 * unshare - disassociate parts of the process execution context
 * unshield - extract CAB files from an InstallShield installer archive
 * unsquashfs - tool to uncompress squashfs filesystems
 * unxz - Compress or decompress .xz and .lzma files
 * unzip - list, test and extract compressed files in a ZIP archive
 * unzipsfx - self-extracting stub for prepending to ZIP archives
 * update-binfmts - maintain registry of executable binary formats
 * update-catalog - create or update entry in SGML catalog file
 * update-cracklib - Regenerate cracklib dictionary
 * update-default-aspell - rebuild aspell database and emacsen stuff
 * update-dictcommon-aspell - rebuild aspell database and emacsen stuff
 * update-dictcommon-hunspell - rebuild hunspell database and emacsen stuff
 * update-icon-caches - Update wrapper script for the icon caches
 * update-inetd - create, remove, enable or disable entry /etc/inetd.conf
 * update-info-dir - update or create index file from all installed info files in direc...
 * update-java-alternatives - update alternatives for jre/sdk installations
 * update-mime - create or update MIME information
 * update-mime-database - a program to build the Shared MIME-Info database cache
 * update-pciids - download new version of the PCI ID list
 * update-perl-sax-parsers - (de)register Perl SAX parser modules
 * update-rc.d - install and remove System-V style init script links
 * updwtmpx - append an entry to the wtmp file
 * urandom - kernel random number source devices
 * uri - uniform resource identifier (URI), including a URL or URN
 * URI::_punycode (3pm)- encodes Unicode string in Punycode
 * URI::data (3pm) - URI that contains immediate data
 * URI::Escape (3pm) - Percent-encode and percent-decode unsafe characters
 * URI::file (3pm) - URI that maps to local file names
 * URI::Heuristic (3pm)- Expand URI using heuristics
 * URI::ldap (3pm) - LDAP Uniform Resource Locators
 * URI::QueryParam (3pm)- Additional query methods for URIs
 * URI::Split (3pm) - Parse and compose URI strings
 * URI::URL (3pm) - Uniform Resource Locators
 * URI::WithBase (3pm) - URIs which remember their base
 * url - uniform resource identifier (URI), including a URL or URN
 * urn - uniform resource identifier (URI), including a URL or URN
 * usb-devices - print USB device details
 * usb_modeswitch_dispatcher - Linux wrapper for usb_modeswitch (not intended for direct...
 * usb_printerid - prints the ID of the printer on a USB port
 * usbhid-dump - dump USB HID device report descriptors and streams
 * uselib - load shared library
 * uselocale - set/get the locale for the calling thread
 * user-dirs.conf - configuration for xdg-user-dirs-update
 * user-dirs.defaults - default settings for XDG user dirs
 * user-dirs.dirs - settings for XDG user dirs
 * user-keyring - per-user keyring
 * user-session-keyring - per-user default session keyring
 * useradd - create a new user or update default new user information
 * userdel - delete a user account and related files
 * userfaultfd - create a file descriptor for handling page faults in user space
 * users - print the user names of users currently logged in to the current host
 * utimensat - change file timestamps with nanosecond precision
 * utmp - login records
 * utmpname - access utmp file entries
 * utmpx - login records
 * utmpxname - access utmp file entries
 * UUID (3pm) - DCE compatible Universally Unique Identifier library for Perl
 * uuidgen - create a new UUID value
 * uuidparse - a utility to parse unique identifiers
 * uz - gunzips and extracts a gzip'd tar'd archive
 * va_arg - variable argument lists
 * va_copy - variable argument lists
 * va_end - variable argument lists
 * va_start - variable argument lists
 * Variable::Magic (3pm)- Associate user-defined magic to variables from Perl.
 * variables - Format of specifying variable names to SNMP tools.
 * vasprintf - print to allocated string
 * vcstime - Show time in upper right hand corner of the console screen
 * vdir - list directory contents
 * vdprintf - formatted output conversion
 * vdso - overview of the virtual ELF dynamic shared object
 * verify (1ssl) - Utility to verify certificates
 * verify (8postfix) - Postfix address verification server
 * veritysetup - manage dm-verity (block level verification) volumes
 * verr - formatted error messages
 * verrx - formatted error messages
 * version (1ssl) - print OpenSSL version information
 * versionsort - scan a directory for matching entries
 * vesa - Generic VESA video driver
 * vfork - create a child process and block parent
 * vfprintf - formatted output conversion
 * vfscanf - input format conversion
 * vfwprintf - formatted wide-character output conversion
 * vgcfgrestore - Restore volume group configuration
 * vgchange - Change volume group attributes
 * vgcreate - Create a volume group
 * vgexport - Unregister volume group from the system
 * vgimport - Register exported volume group with system
 * vgimportclone - Import a VG from cloned PVs
 * vgmknodes - Create the special files for volume group devices in /dev
 * vgreduce - Remove physical volume from a volume group
 * vgremove - Remove volume group
 * vgrename - Rename a volume group
 * vgscan - Search for all volume groups
 * vhangup - virtually hangup the current terminal
 * vidir - edit directories and filenames
 * viewres - graphical class browser for Xt
 * vimdiff - edit two, three or four versions of a file with Vim and show diffe...
 * visudo - edit the sudoers file
 * vlc-wrapper - a wrapper to drop privileges with VLC
 * vlimit - get/set resource limits
 * vmstat - Report virtual memory statistics
 * vmware - VMware SVGA video driver
 * volname - return volume name
 * vpddecode - VPD structure decoder
 * vprintf - formatted output conversion
 * vscanf - input format conversion
 * vsnprintf - formatted output conversion
 * vsock - Linux VSOCK address family
 * vsprintf - formatted output conversion
 * vsscanf - input format conversion
 * vstp - VisioBraille file transferring
 * vswprintf - formatted wide-character output conversion
 * vtimes - get resource usage
 * vwarn - formatted error messages
 * vwarnx - formatted error messages
 * vwprintf - formatted wide-character output conversion
 * w - Show who is logged on and what they are doing.
 * w.procps - Show who is logged on and what they are doing.
 * w3mman - an interface to the on-line reference manuals via w3m
 * wacom - Wacom input driver
 * wall - write a message to all users
 * warn - formatted error messages
 * warnx - formatted error messages
 * watch - execute a program periodically, showing output fullscreen
 * watchgnupg - Read and print logs from a socket
 * wavelan - AT&T GIS WaveLAN ISA device driver
 * wbmptopbm - convert a wireless bitmap (wbmp) file to a portable bitmap (pbm)
 * wc - print newline, word, and byte counts for each file
 * wcpcpy - copy a wide-character string, returning a pointer to its end
 * wcpncpy - copy a fixed-size string of wide characters, returning a pointer t...
 * wcscasecmp - compare two wide-character strings, ignoring case
 * wcscat - concatenate two wide-character strings
 * wcschr - search a wide character in a wide-character string
 * wcscmp - compare two wide-character strings
 * wcscpy - copy a wide-character string
 * wcscspn - search a wide-character string for any of a set of wide characters
 * wcsdup - duplicate a wide-character string
 * wcslen - determine the length of a wide-character string
 * wcsncasecmp - compare two fixed-size wide-character strings, ignoring case
 * wcsncat - concatenate two wide-character strings
 * wcsncmp - compare two fixed-size wide-character strings
 * wcsncpy - copy a fixed-size string of wide characters
 * wcsnlen - determine the length of a fixed-size wide-character string
 * wcsnrtombs - convert a wide-character string to a multibyte string
 * wcspbrk - search a wide-character string for any of a set of wide characters
 * wcsrchr - search a wide character in a wide-character string
 * wcsrtombs - convert a wide-character string to a multibyte string
 * wcsspn - advance in a wide-character string, skipping any of a set of wide ...
 * wcsstr - locate a substring in a wide-character string
 * wcstoimax - convert wide-character string to integer
 * wcstok - split wide-character string into tokens
 * wcstombs - convert a wide-character string to a multibyte string
 * wcstoumax - convert wide-character string to integer
 * wcswidth - determine columns needed for a fixed-size wide-character string
 * wctob - try to represent a wide character as a single byte
 * wdctl - show hardware watchdog status
 * WebService::MusicBrainz::Request (3pm)- (unknown subject)
 * whatis - display one-line manual page descriptions
 * whereis - locate the binary, source, and manual page files for a command
 * whiptail - display dialog boxes from shell scripts
 * whoami - print effective userid
 * winicontoppm - convert a Windows .ico file into 1 or more portable pixmap files
 * wipefs - wipe a signature from a device
 * wireless - Wireless Tools and Wireless Extensions
 * wmemchr - search a wide character in a wide-character array
 * wmemcmp - compare two arrays of wide-characters
 * wmemcpy - copy an array of wide-characters
 * wmemmove - copy an array of wide-characters
 * wmempcpy - copy memory area
 * wmemset - fill an array of wide-characters with a constant wide character
 * wodim - write data to optical disk media
 * word-list-compress - word list compressor/decompressor for GNU Aspell
 * wordfree - perform word expansion like a posix-shell
 * wordgrinder - console-based word processor
 * wp-setup - wordpress setup for Debian
 * wpa_action - wpa_cli action script
 * wprintf - formatted wide-character output conversion
 * write - send a message to another user
 * write - write to a file descriptor
 * writev - read or write data into multiple buffers
 * wtmp - login records
 * WWW::RobotRules (3pm)- database of robots.txt-derived permissions
 * WWW::RobotRules::AnyDBM_File (3pm)- Persistent RobotRules
 * X - a portable, network-transparent window system
 * X11::Auth (3pm) - Perl module to read X11 authority files
 * X11::Protocol (3pm) - Perl module for the X Window System Protocol, version 11
 * X11::Protocol::Ext::BIG_REQUESTS (3pm)- Perl module for the X11 protocol Big Requests ex...
 * X11::Protocol::Ext::RENDER (3pm)- Perl module for the X Rendering Extension
 * X11::Protocol::Ext::SHAPE (3pm)- Perl module for the X11 Protocol Nonrectangular Window ...
 * X11::Protocol::Ext::XFree86_Misc (3pm)- Perl module for the XFree86 Misc Extension
 * x11perf - X11 server performance test program
 * x11perfcomp - X11 server performance comparison program
 * x86_64 - change reported architecture in new program environment and/or set...
 * x86_64-linux-gnu-addr2line - convert addresses into file names and line numbers
 * x86_64-linux-gnu-ar - create, modify, and extract from archives
 * x86_64-linux-gnu-cpp - The C Preprocessor
 * x86_64-linux-gnu-cpp-9 - The C Preprocessor
 * x86_64-linux-gnu-gcov-dump - offline gcda and gcno profile dump tool
 * x86_64-linux-gnu-gcov-dump-9 - offline gcda and gcno profile dump tool
 * x86_64-linux-gnu-gcov-tool - offline gcda profile processing tool
 * x86_64-linux-gnu-gcov-tool-9 - offline gcda profile processing tool
 * x86_64-linux-gnu-gprof - display call graph profile data
 * x86_64-linux-gnu-python3-config - output build options for python C/C++ extensions or...
 * x86_64-linux-gnu-python3.8-config - output build options for python C/C++ extensions ...
 * x86_64-linux-gnu-ranlib - generate an index to an archive
 * x86_64-linux-gnu-readelf - display information about ELF files
 * x86_64-linux-gnu-strings - print the sequences of printable characters in files
 * x86_64-linux-gnu-strip - discard symbols and other data from object files
 * xattr - Extended attributes
 * Xau - X authority database routines
 * XauDisposeAuth - X authority database routines
 * XauFileName - X authority database routines
 * XauGetAuthByAddr - X authority database routines
 * XauGetBestAuthByAddr - X authority database routines
 * XauLockAuth - X authority database routines
 * XauReadAuth - X authority database routines
 * xauth - X authority file utility
 * XauUnlockAuth - X authority database routines
 * XauWriteAuth - X authority database routines
 * xcmsdb - Device Color Characterization utility for X Color Management System
 * xcursorgen - create an X cursor file from a collection of PNG images
 * xcutsel - interchange between cut buffer and selection
 * xdg-email - command line tool for sending mail using the user's preferred e-ma...
 * xdg-icon-resource - command line tool for (un)installing icon resources
 * xdg-mime - command line tool for querying information about file type handlin...
 * xdg-open - opens a file or URL in the user's preferred application
 * xdg-screensaver - command line tool for controlling the screensaver
 * xdg-settings - get various settings from the desktop environment
 * xdg-user-dirs-update - Update XDG user dir configuration
 * xdr - library routines for external data representation
 * xdr_accepted_reply - library routines for remote procedure calls
 * xdr_array - library routines for external data representation
 * xdr_authunix_parms - library routines for remote procedure calls
 * xdr_bool - library routines for external data representation
 * xdr_bytes - library routines for external data representation
 * xdr_callhdr - library routines for remote procedure calls
 * xdr_callmsg - library routines for remote procedure calls
 * xdr_char - library routines for external data representation
 * xdr_destroy - library routines for external data representation
 * xdr_double - library routines for external data representation
 * xdr_enum - library routines for external data representation
 * xdr_float - library routines for external data representation
 * xdr_free - library routines for external data representation
 * xdr_getpos - library routines for external data representation
 * xdr_inline - library routines for external data representation
 * xdr_int - library routines for external data representation
 * xdr_long - library routines for external data representation
 * xdr_opaque - library routines for external data representation
 * xdr_opaque_auth - library routines for remote procedure calls
 * xdr_pmap - library routines for remote procedure calls
 * xdr_pmaplist - library routines for remote procedure calls
 * xdr_pointer - library routines for external data representation
 * xdr_reference - library routines for external data representation
 * xdr_rejected_reply - library routines for remote procedure calls
 * xdr_replymsg - library routines for remote procedure calls
 * xdr_setpos - library routines for external data representation
 * xdr_short - library routines for external data representation
 * xdr_string - library routines for external data representation
 * xdr_u_char - library routines for external data representation
 * xdr_u_int - library routines for external data representation
 * xdr_u_long - library routines for external data representation
 * xdr_u_short - library routines for external data representation
 * xdr_union - library routines for external data representation
 * xdr_vector - library routines for external data representation
 * xdr_void - library routines for external data representation
 * xdr_wrapstring - library routines for external data representation
 * xdriinfo - query configuration information of DRI drivers
 * xdrmem_create - library routines for external data representation
 * xdrrec_create - library routines for external data representation
 * xdrrec_endofrecord - library routines for external data representation
 * xdrrec_eof - library routines for external data representation
 * xdrrec_skiprecord - library routines for external data representation
 * xdrstdio_create - library routines for external data representation
 * Xephyr - X server outputting to a window on a pre-existing X display
 * xev - print contents of X events
 * xfd - display all the characters in an X font
 * xfs - layout, mount options, and supported file attributes for the XFS f...
 * xfs_admin - change parameters of an XFS filesystem
 * xfs_bmap - print block mapping for an XFS file
 * xfs_freeze - suspend access to an XFS filesystem
 * xfs_fsr - filesystem reorganizer for XFS
 * xfs_logprint - print the log of an XFS filesystem
 * xfs_mdrestore - restores an XFS metadump image to a filesystem image
 * xfs_mkfile - create an XFS file
 * xfs_ncheck - generate pathnames from i-numbers for XFS
 * xfs_quota - manage use of quota on XFS filesystems
 * xfs_repair - repair an XFS filesystem
 * xfs_rtcp - XFS realtime copy command
 * xfs_scrub - check and repair the contents of a mounted XFS filesystem
 * xfs_spaceman - show free space information about an XFS filesystem
 * xgamma - Alter a monitor's gamma correction through the X server
 * xgettext - extract gettext strings from source
 * xinput - utility to configure and test X input devices
 * xkbcomp - compile XKB keyboard description
 * xkbprint - print an XKB keyboard description
 * xkeyboard-config - XKB data description files
 * xkill - kill a client by its X resource
 * xmag - magnify parts of the screen
 * Xmark - summarize x11perf results
 * XML::LibXML::Attr (3pm)- XML::LibXML Attribute Class
 * XML::LibXML::AttributeHash (3pm)- tie an XML::LibXML::Element to a hash to access its at...
 * XML::LibXML::ErrNo (3pm)- Structured Errors
 * XML::LibXML::Error (3pm)- Structured Errors
 * XML::LibXML::Literal (3pm)- Simple string values.
 * XML::LibXML::Number (3pm)- Simple numeric values.
 * XML::LibXML::Parser (3pm)- Parsing XML Data with XML::LibXML
 * XML::LibXML::Reader (3pm)- XML::LibXML::Reader- interface to libxml2 pull parser
 * XML::LibXML::RegExp (3pm)- XML::LibXML::RegExp- interface to libxml2 regular expressions
 * XML::LibXML::RelaxNG (3pm)- RelaxNG Schema Validation
 * XML::LibXML::SAX (3pm)- XML::LibXML direct SAX parser
 * XML::LibXML::SAX::Builder (3pm)- Building DOM trees from SAX events.
 * XML::LibXML::SAX::Generator (3pm)- Generate SAX events from a LibXML tree
 * XML::LibXML::XPathExpression (3pm)- XML::LibXML::XPathExpression- interface to libxml2 ...
 * XML::NamespaceSupport (3pm)- A simple generic namespace processor
 * XML::Parser (3pm) - A perl module for parsing XML documents
 * XML::Parser::Expat (3pm)- Lowlevel access to James Clark's expat XML parser
 * XML::SAX::PurePerl::Reader (3pm)- Abstract Reader factory class
 * XML::Parser::Style::Debug (3pm)- Debug style for XML::Parser
 * XML::Parser::Style::Objects (3pm)- Objects styler parser
 * XML::Parser::Style::Stream (3pm)- Stream style for XML::Parser
 * XML::Parser::Style::Subs (3pm)- glue for handling element callbacks
 * XML::Parser::Style::Tree (3pm)- Tree style parser
 * XML::SAX::Base (3pm)- Base class SAX Drivers and Filters
 * XML::SAX::DocumentLocator (3pm)- Helper class for document locators
 * XML::SAX::Expat (3pm)- SAX2 Driver for Expat (XML::Parser)
 * XML::SAX::Intro (3pm)- An Introduction to SAX Parsing with Perl
 * XML::SAX::ParserFactory (3pm)- Obtain a SAX parser
 * XML::SAX::PurePerl (3pm)- Pure Perl XML Parser with SAX2 interface
 * XML::Twig (3pm) - A perl module for processing huge XML documents in tree mode.
 * XML::Writer (3pm) - Perl extension for writing XML documents.
 * XML::XPathEngine (3pm)- a re-usable XPath engine for DOM-like trees
 * XML::XPathEngine::Literal (3pm)- Simple string values.
 * XML::XPathEngine::Number (3pm)- Simple numeric values.
 * xmore - plain text display program for the X Window System
 * xprt_register - library routines for remote procedure calls
 * xprt_unregister - library routines for remote procedure calls
 * xqxdecode - Decode a XQX stream into human readable form.
 * xrandr - primitive command line interface to RandR extension
 * xrdb - X server resource database utility
 * xreader-previewer - show print preview for a document
 * xreader-thumbnailer - create png thumbnails from xreader supported documents
 * xrefresh - refresh all or part of an X screen
 * Xsecurity - X display access control
 * xset - user preference utility for X
 * xsetwacom - commandline utility to query and modify wacom driver settings.
 * XtAddActions - register an action table
 * XtAddCallback - add and remove callback procedures
 * XtAddCallbacks - add and remove callback procedures
 * XtAddConverter - register resource converter
 * XtAddEventHandler - add and remove event handlers
 * XtAddExposureToRegion - merge exposure events into a region
 * XtAddGrab - redirect user input to a modal widget
 * XtAddInput - register input, timeout, and workprocs
 * XtAddRawEventHandler - add and remove event handlers
 * XtAddTimeOut - register input, timeout, and workprocs
 * XtAddWorkProc - register input, timeout, and workprocs
 * XtAppAddActionHook - register an action hook procedure
 * XtAppAddActions - register an action table
 * XtAppAddBlockHook - register a block hook procedure
 * XtAppAddConverter - register resource converter
 * XtAppAddInput - register and remove an input source
 * XtAppAddSignal - register and remove a signal source
 * XtAppAddTimeOut - register and remove timeouts
 * XtAppAddWorkProc - Add and remove background processing procedures
 * XtAppCreateShell - create top-level widget instance
 * XtAppError - low-level error handlers
 * XtAppErrorMsg - high-level error handlers
 * XtAppGetErrorDatabase - obtain error database
 * XtAppGetErrorDatabaseText - obtain error database
 * XtAppGetExitFlag - thread support functions
 * XtAppReleaseCacheRefs - decrement reference counts for resources
 * XtAppSetErrorHandler - low-level error handlers
 * XtAppSetErrorMsgHandler - high-level error handlers
 * XtAppSetExitFlag - thread support functions
 * XtAppSetFallbackResources - set fallback resources
 * XtAppSetTypeConverter - register resource converter
 * XtAppSetWarningHandler - low-level error handlers
 * XtAppSetWarningMsgHandler - high-level error handlers
 * XtAppWarning - low-level error handlers
 * XtAppWarningMsg - high-level error handlers
 * XtAsprintf - memory management functions
 * XtBuildEventMask - retrieve a widget's event mask
 * XtCallAcceptFocus - calla widget's accept_focus procedure
 * XtCallActionProc - invoke an action procedure directly
 * XtCallConverter - invoke resource converters
 * XtCancelSelectionRequest - bundle multiple selection conversion requests into a singl...
 * XtChangeManagedSet - manage and unmanage children
 * XtCheckSubclass - obtain and verify a widget's class
 * XtClass - obtain and verify a widget's class
 * XtConfigureWidget - move and resize widgets
 * XtConvert - invoke resource converters
 * XtConvertAndStore - invoke resource converters
 * XtCreateApplicationContext - create, destroy, and obtain an application context
 * XtCreateApplicationShell - create top-level widget instance
 * XtCreateManagedWidget - create and destroy widgets
 * XtCreatePopupShell - create a popup shell
 * XtCreateSelectionRequest - bundle multiple selection conversion requests into a singl...
 * XtCreateWidget - create and destroy widgets
 * XtCreateWindow - window creation convenience function
 * XtDestroyApplicationContext - create, destroy, and obtain an application context
 * XtDestroyWidget - create and destroy widgets
 * XtDirectConvert - invoke resource converters
 * XtDisplayStringConversionWarning - issue a conversion warning message
 * XtError - low-level error handlers
 * XtErrorMsg - high-level error handlers
 * XtFindFile - search for a file using substitutions in the path list
 * XtFree - memory management functions
 * XtGetActionKeysym - obtain corresponding keysym
 * XtGetApplicationNameAndClass - retrieve application name and class
 * XtGetApplicationResources - obtain application resources
 * XtGetClassExtension - locate a class extension record
 * XtGetConstraintResourceList - obtain resource list
 * XtGetDisplays - retrieve a list of displays associated with an application context
 * XtGetErrorDatabase - obtain error database
 * XtGetErrorDatabaseText - obtain error database
 * XtGetResourceList - obtain resource list
 * XtGetSelectionParameters - retrieve target parameters for a selection request with a ...
 * XtGetSelectionRequest - retrieve the event that triggered the XtConvertSelectionProc
 * XtGetSelectionValueIncremental - obtain selection values
 * XtGetSelectionValuesIncremental - obtain selection values
 * XtGetSubresources - obtain subresources
 * XtGetSubvalues - obtain and set widget resources
 * XtGetValues - obtain and set widget resources
 * XtInsertEventHandler - add and remove event handlers
 * XtInsertRawEventHandler - add and remove event handlers
 * XtInstallAccelerators - managing accelerator tables
 * XtInstallAllAccelerators - managing accelerator tables
 * XtIsApplicationShell - obtain and verify a widget's class
 * XtIsComposite - obtain and verify a widget's class
 * XtIsConstraint - obtain and verify a widget's class
 * XtIsManaged - manage and unmanage children
 * XtIsObject - obtain and verify a widget's class
 * XtIsOverrideShell - obtain and verify a widget's class
 * XtIsRealized - realize and unrealize widgets
 * XtIsRectObj - obtain and verify a widget's class
 * XtIsSessionShell - obtain and verify a widget's class
 * XtIsShell - obtain and verify a widget's class
 * XtIsSubclass - obtain and verify a widget's class
 * XtIsTopLevelShell - obtain and verify a widget's class
 * XtIsTransientShell - obtain and verify a widget's class
 * XtIsVendorShell - obtain and verify a widget's class
 * XtIsWidget - obtain and verify a widget's class
 * XtIsWMShell - obtain and verify a widget's class
 * XtMakeGeometryRequest - make geometry manager request
 * XtMakeResizeRequest - make geometry manager request
 * XtManageChild - manage and unmanage children
 * XtManageChildren - manage and unmanage children
 * XtMoveWidget - move and resize widgets
 * XtNameToWidget - translating strings to widgets or widgets to windows
 * XtNewString - memory management functions
 * XtNoticeSignal - register and remove a signal source
 * XtNumber - determine the byte offset or number of array elements
 * XtOffset - determine the byte offset or number of array elements
 * XtOffsetOf - determine the byte offset or number of array elements
 * XtOverrideTranslations - manage translation tables
 * XtOwnSelectionIncremental - set selection owner
 * XtParent - obtain widget's parent widget id
 * XtParseAcceleratorTable - managing accelerator tables
 * XtParseTranslationTable - manage translation tables
 * XtPopupSpringLoaded - map a pop-up
 * XtQueryGeometry - query the preferred geometry of a child widget
 * XtRealizeWidget - realize and unrealize widgets
 * XtRealloc - memory management functions
 * XtRegisterCaseConverter - convert KeySym to KeyCodes
 * XtRegisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtRegisterExtensionSelector - extension event handling
 * XtRegisterGrabAction - register button and key grabs
 * XtReleaseGC - obtain and destroy a sharable GC
 * XtReleasePropertyAtom - maintain a cache of property atoms
 * XtRemoveActionHook - register an action hook procedure
 * XtRemoveAllCallbacks - add and remove callback procedures
 * XtRemoveBlockHook - register a block hook procedure
 * XtRemoveCallback - add and remove callback procedures
 * XtRemoveCallbacks - add and remove callback procedures
 * XtRemoveEventHandler - add and remove event handlers
 * XtRemoveEventTypeHandler - extension event handling
 * XtRemoveGrab - redirect user input to a modal widget
 * XtRemoveInput - register and remove an input source
 * XtRemoveRawEventHandler - add and remove event handlers
 * XtRemoveSignal - register and remove a signal source
 * XtRemoveTimeOut - register and remove timeouts
 * XtRemoveWorkProc - Add and remove background processing procedures
 * XtReservePropertyAtom - maintain a cache of property atoms
 * XtResizeWidget - move and resize widgets
 * XtResolvePathname - search for a file using standard substitution
 * XtScreen - obtain window information about a widget
 * XtScreenDatabase - initialize, open, or close a display
 * XtScreenOfObject - obtain window information about a widget
 * XtSendSelectionRequest - bundle multiple selection conversion requests into a single ...
 * XtSessionReturnToken - token management for checkpointing
 * XtSetErrorHandler - low-level error handlers
 * XtSetErrorMsgHandler - high-level error handlers
 * XtSetLanguageProc - set the language procedure
 * XtSetSelectionParameters - specify target parameters for a selection request with a s...
 * XtSetSubvalues - obtain and set widget resources
 * XtSetTypeConverter - register resource converter
 * XtSetValues - obtain and set widget resources
 * XtSetWarningHandler - low-level error handlers
 * XtSetWarningMsgHandler - high-level error handlers
 * XtStringConversionWarning - issue a conversion warning message
 * XtSuperclass - obtain and verify a widget's class
 * XtToolkitInitialize - create, destroy, and obtain an application context
 * XtToolkitThreadInitialize - initialize the toolkit for multiple threads
 * XtUnmanageChild - manage and unmanage children
 * XtUnmanageChildren - manage and unmanage children
 * XtUnrealizeWidget - realize and unrealize widgets
 * XtUnregisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtVaAppCreateShell - create top-level widget instance
 * XtVaCreateArgsList - dynamically allocate a varargs list
 * XtVaCreateManagedWidget - create and destroy widgets
 * XtVaCreatePopupShell - create a popup shell
 * XtVaCreateWidget - create and destroy widgets
 * XtVaGetApplicationResources - obtain application resources
 * XtVaGetSubresources - obtain subresources
 * XtVaGetSubvalues - obtain and set widget resources
 * XtVaGetValues - obtain and set widget resources
 * XtVaSetSubvalues - obtain and set widget resources
 * XtVaSetValues - obtain and set widget resources
 * XtWarning - low-level error handlers
 * XtWarningMsg - high-level error handlers
 * XtWidgetToApplicationContext - create, destroy, and obtain an application context
 * XtWindowToWidget - translating strings to widgets or widgets to windows
 * xvinfo - Print out X-Video extension adaptor information
 * xvminitoppm - convert a XV "thumbnail" picture to PPM
 * xxd - make a hexdump or do the reverse.
 * xz - Compress or decompress .xz and .lzma files
 * xzcat - Compress or decompress .xz and .lzma files
 * xzcmp - compare compressed files
 * xzdiff - compare compressed files
 * xzegrep - search compressed files for a regular expression
 * xzfgrep - search compressed files for a regular expression
 * xzgrep - search compressed files for a regular expression
 * xzless - view xz or lzma compressed (text) files
 * xzmore - view xz or lzma compressed (text) files
 * yacc - GNU Project parser generator
 * YAML::LibYAML (3pm) - Perl YAML Serialization using XS and libyaml
 * YAML::Tiny (3pm) - Read/Write YAML files with as little code as possible
 * YAML::XS (3pm) - Perl YAML Serialization using XS and libyaml
 * yes - output a string repeatedly until killed
 * zcat - compress or expand files
 * zcmp - compare compressed files
 * zdiff - compare compressed files
 * zegrep - search possibly compressed files for a regular expression
 * zfgrep - search possibly compressed files for a regular expression
 * zforce - force a '.gz' extension on all gzip files
 * zgrep - search possibly compressed files for a regular expression
 * zip - package and compress (archive) files
 * zipcloak - encrypt entries in a zipfile
 * zipdetails - display the internal structure of zip files
 * zipgrep - search files in a ZIP archive for lines matching a pattern
 * zipinfo - list detailed information about a ZIP archive
 * zipnote - write the comments in zipfile to stdout, edit comments and rename ...
 * zjsdecode - Decode a ZjStream into human readable form.
 * zless - file perusal filter for crt viewing of compressed text
 * zlib - compression/decompression library
 * zmore - file perusal filter for crt viewing of compressed text
 * znew - recompress .Z files to .gz files
 * zrun - automatically uncompress arguments to command
 * zsoelim - satisfy .so requests in roff input
 * Future (3pm) - represent an operation awaiting completion
 * Future::AsyncAwait (3pm)- deferred subroutine syntax for futures
 * Future::AsyncAwait::Awaitable (3pm)- the interface required by "Future::AsyncAwait"
 * Future::Exception (3pm)- an exception type for failed Futures
 * Future::IO::Impl::IOAsync (3pm)- implement "Future::IO" using "IO::Async"
 * Future::Mutex (3pm) - mutual exclusion lock around code that returns Futures
 * Future::Phrasebook (3pm)- coding examples for "Future" and "Future::Utils"
 * Future::Queue (3pm) - a FIFO queue of values that uses Futures
 * Future::Utils (3pm) - utility functions for working with "Future" objects
 * IO::Async::Function (3pm)- call a function asynchronously
 * IO::Async::Future (3pm)- use Future with IO::Async
 * IO::Async::Routine (3pm)- execute code in an independent sub-process or thread
 * IO::Async::Socket (3pm)- event callbacks and send buffering for a socket filehandle
 * IO::Async::Timer (3pm)- base class for Notifiers that use timed delays
 * IO::Async::Timer::Absolute (3pm)- event callback at a fixed future time
 * IO::Async::Timer::Countdown (3pm)- event callback after a fixed delay
 * IO::Async::Timer::Periodic (3pm)- event callback at regular intervals
 * Test::Future (3pm) - unit test assertions for Future instances
 * Test::Future::AsyncAwait::Awaitable (3pm)- conformance tests for awaitable role API
 * Test::Future::Deferred (3pm)- a future which completes later
 * 30-systemd-environment-d-generator - Load variables specified by environment.d
 * 411toppm - convert Sony Mavica .411 image to ppm
 * 7z - A file archiver with high compression ratio format
 * 7za - A file archiver with high compression ratio format
 * 7zr - A file archiver with high compression ratio format
 * Dpkg (3perl) - module with core variables
 * Error (3pm) - Error/exception handling in an OO-ish way
 * Font::TTF::Woff (3pm)- holds Web Open Font File (WOFF) data for the font
 * Git (3pm) - Perl interface to the Git version control system
 * gufw - Graphic user interface for managing ufw
 * HEAD (1p) - Simple command line user agent
 * hexchat - IRC Client
 * MAKEDEV - create devices
 * Mail - send and receive mail
 * NAN - floating-point constants
 * PAM - Pluggable Authentication Modules for Linux
 * RAND (7ssl) - the OpenSSL random generator
 * sweep - a sound wave editor
 * toilet - display large colourful characters
 * UPower - System-wide Power Management
 * utf8 - an ASCII compatible multibyte Unicode encoding
 * VBoxHeadless - x86 virtualization solution
 * VBoxManage - x86 virtualization solution
 * VBoxSDL - x86 virtualization solution
 * VirtualBox - x86 virtualization solution
 * wget - The non-interactive network downloader.
 * xed - The Text Editor
 * Xorg.wrap - Xorg X server binary wrapper
 * xreader - A Document Viewer
 * _Exit - terminate the calling process
 * __fbufsize - interfaces to stdio FILE structure
 * __flbf - interfaces to stdio FILE structure
 * __fpending - interfaces to stdio FILE structure
 * __freadable - interfaces to stdio FILE structure
 * __freading - interfaces to stdio FILE structure
 * __fsetlocking - interfaces to stdio FILE structure
 * __fwritable - interfaces to stdio FILE structure
 * __fwriting - interfaces to stdio FILE structure
 * __ppc_get_timebase - get the current value of the Time Base Register on Power archite...
 * __ppc_get_timebase_freq - get the current value of the Time Base Register on Power ar...
 * __ppc_mdoio - Hint the processor to release shared resources
 * __ppc_mdoom - Hint the processor to release shared resources
 * __ppc_set_ppr_low - Set the Program Priority Register
 * __ppc_set_ppr_med - Set the Program Priority Register
 * __ppc_set_ppr_med_high - Set the Program Priority Register
 * __ppc_set_ppr_med_low - Set the Program Priority Register
 * __ppc_set_ppr_very_low - Set the Program Priority Register
 * __ppc_yield - Hint the processor to release shared resources
 * __setfpucw - set FPU control word on i386 architecture (obsolete)
 * _exit - terminate the calling process
 * _flushlbf - interfaces to stdio FILE structure
 * _llseek - reposition read/write file offset
 * _syscall - invoking a system call without library support (OBSOLETE)
 * _sysctl - read/write system parameters
 * a2disconf - enable or disable an apache2 configuration file
 * a2dismod - enable or disable an apache2 module
 * a2dissite - enable or disable an apache2 site / virtual host
 * a2enconf - enable or disable an apache2 configuration file
 * a2ensite - enable or disable an apache2 site / virtual host
 * a2query - retrieve runtime configuration from a local Apache 2 HTTP server
 * aa-enabled - test whether AppArmor is enabled
 * aa-exec - confine a program with the specified AppArmor profile
 * aa-status - display various information about the current AppArmor policy.
 * aa-teardown - unload all AppArmor profiles
 * abcde - Grab an entire CD and compress it to Ogg/Vorbis, MP3, FLAC, Ogg/Sp...
 * abiword - flexible cross-platform word processor
 * abort - cause abnormal process termination
 * abs - compute the absolute value of an integer
 * ac - print statistics about users' connect time
 * accept - accept a connection on a socket
 * accept4 - accept a connection on a socket
 * access - Postfix SMTP server access table
 * access.conf - the login access control table file
 * accessdb - dumps the content of a man-db database in a human readable format
 * acct - switch process accounting on or off
 * acct - process accounting file
 * accton - turns process accounting on or off
 * aconnect - ALSA sequencer connection manager
 * acos - arc cosine function
 * acosf - arc cosine function
 * acosh - inverse hyperbolic cosine function
 * acoshf - inverse hyperbolic cosine function
 * acoshl - inverse hyperbolic cosine function
 * acosl - arc cosine function
 * acpid - Advanced Configuration and Power Interface event daemon
 * tc-actions - independently defined actions in tc
 * add-apt-key - Command line tool to add GPG keys to the APT keyring
 * add-apt-repository - Adds a repository into the /etc/apt/sources.list or /etc/apt/sou...
 * add-shell - add shells to the list of valid login shells
 * add_key - add a key to the kernel's key management facility
 * addgnupghome - Create .gnupg home directories
 * addgroup - add a user or group to the system
 * addmntent - get filesystem descriptor file entry
 * addpart - tell the kernel about the existence of a partition
 * address_families - socket address families (domains)
 * adduser - add a user or group to the system
 * adduser.conf - configuration file for adduser and addgroup.
 * adjtime - correct the time to synchronize the system clock
 * adjtime_config - information about hardware clock setting and drift factor
 * adjtimex - tune kernel clock
 * afs_syscall - unimplemented system calls
 * aiksaurus - English-language thesaurus
 * aio_error - get error status of asynchronous I/O operation
 * aio_fsync - asynchronous file synchronization
 * aio_init - asynchronous I/O initialization
 * aio_return - get return status of asynchronous I/O operation
 * aio_suspend - wait for asynchronous I/O operation or timeout
 * aliases - Postfix local alias database format
 * Alien::Package (3pm)- an object that represents a package
 * Alien::Package::Deb (3pm)- an object that represents a deb package
 * Alien::Package::Lsb (3pm)- an object that represents a lsb package
 * Alien::Package::Pkg (3pm)- an object that represents a Solaris pkg package
 * Alien::Package::Rpm (3pm)- an object that represents a rpm package
 * Alien::Package::Slp (3pm)- an object that represents a slp package
 * Alien::Package::Tgz (3pm)- an object that represents a tgz package
 * alphasort - scan a directory for matching entries
 * alsa-info - command-line utility to gather information about the ALSA subsystem
 * alsactl - advanced controls for ALSA soundcard driver
 * alsactl_init - alsa control management- initialization
 * alsamixer - soundcard mixer for ALSA soundcard driver, with ncurses interface
 * amixer - command-line mixer for ALSA soundcard driver
 * anacrontab - configuration file for anacron
 * anvil (8postfix) - Postfix session count and request rate control
 * apache2 - Apache Hypertext Transfer Protocol Server
 * apg - generates several random passwords
 * apparmor.d - syntax of security profiles for AppArmor.
 * apparmor.vim - vim syntax highlighting file for AppArmor profiles
 * apparmor_parser - loads AppArmor profiles into the kernel
 * apparmor_status - display various information about the current AppArmor policy.
 * appres - list X application resource database
 * apropos - search the manual page names and descriptions
 * apt-add-repository - Adds a repository into the /etc/apt/sources.list or /etc/apt/sou...
 * apt-cache - query the APT cache
 * apt-config - APT Configuration Query program
 * apt-mark - show, set and unset various settings for a package
 * apt-secure - Archive authentication support for APT
 * apt-transport-http - APT transport for downloading via the Hypertext Transfer Protoco...
 * apt-transport-https - APT transport for downloading via the HTTP Secure protocol (HTTPS)
 * apt-transport-mirror - APT transport for more automated mirror selection
 * apt.conf - Configuration file for APT
 * apt_auth.conf - Login configuration file for APT sources and proxies
 * aptdcon - command line client for aptdaemon
 * aptitude - high-level interface to the package manager
 * aptitude-create-state-bundle - bundle the current aptitude state
 * aptitude-curses - high-level interface to the package manager
 * aptitude-run-state-bundle - unpack an aptitude state bundle and invoke aptitude on it
 * AptPkg::Config (3pm)- APT configuration interface
 * AptPkg::hash (3pm) - a helper class for implementing tied hashes
 * AptPkg::PkgRecords (3pm)- APT package description class
 * AptPkg::System (3pm)- APT system abstraction class
 * apturl - graphical apt-protocol interpreting package installer
 * apturl-gtk - graphical apt-protocol interpreting package installer
 * arch_prctl - set architecture-specific thread state
 * archdetect - detect hardware architecture
 * Archive::Cpio (3pm) - module for manipulations of cpio archives
 * Archive::Zip (3pm) - Provide an interface to ZIP archive files.
 * Archive::Zip::FAQ (3pm)- Answers to a few frequently asked questions about Archive::Zip
 * Archive::Zip::MemberRead (3pm)- A wrapper that lets you read Zip archive members as if t...
 * Archive::Zip::Tree (3pm)- (DEPRECATED) methods for adding/extracting trees using Archive...
 * argz - functions to handle an argz list
 * argz_add - functions to handle an argz list
 * argz_add_sep - functions to handle an argz list
 * argz_append - functions to handle an argz list
 * argz_count - functions to handle an argz list
 * argz_create - functions to handle an argz list
 * argz_create_sep - functions to handle an argz list
 * argz_delete - functions to handle an argz list
 * argz_extract - functions to handle an argz list
 * argz_insert - functions to handle an argz list
 * argz_next - functions to handle an argz list
 * argz_replace - functions to handle an argz list
 * argz_stringify - functions to handle an argz list
 * arm_fadvise - predeclare an access pattern for file data
 * arm_fadvise64_64 - predeclare an access pattern for file data
 * arm_sync_file_range - sync a file segment with disk
 * armscii-8 - Armenian character set encoded in octal, decimal, and hexadecimal
 * arp - manipulate the system ARP cache
 * arping - send ARP REQUEST to a neighbour host
 * arptables-nft - ARP table administration (nft-based)
 * arptables-nft-restore - Restore ARP Tables (nft-based)
 * arptables-nft-save - dump arptables rules to stdout (nft-based)
 * as - the portable GNU assembler.
 * ascii - ASCII character set encoded in octal, decimal, and hexadecimal
 * asciitopgm - convert ASCII graphics into a portable graymap
 * asctime - transform date and time to broken-down time or ASCII
 * asctime_r - transform date and time to broken-down time or ASCII
 * aseqdump - show the events received at an ALSA sequencer port
 * aseqnet - ALSA sequencer connectors over network
 * asin - arc sine function
 * asinf - arc sine function
 * asinh - inverse hyperbolic sine function
 * asinhf - inverse hyperbolic sine function
 * asinhl - inverse hyperbolic sine function
 * asinl - arc sine function
 * asn1parse (1ssl) - ASN.1 parsing tool
 * aspell - interactive spell checker
 * aspell-autobuildhash - Autobuilding aspell hash files for some dicts
 * aspell-import - import old personal dictionaries into GNU Aspell
 * asprintf - print to allocated string
 * assert - abort the program if assertion is false
 * atan - arc tangent function
 * atan2 - arc tangent function of two variables
 * atan2f - arc tangent function of two variables
 * atan2l - arc tangent function of two variables
 * atanf - arc tangent function
 * atanh - inverse hyperbolic tangent function
 * atanhf - inverse hyperbolic tangent function
 * atanhl - inverse hyperbolic tangent function
 * atanl - arc tangent function
 * atexit - register a function to be called at normal process termination
 * atktopbm - convert Andrew Toolkit raster object to portable bitmap
 * atobm - bitmap editor and converter utilities for the X Window System
 * atoi - convert a string to an integer
 * atol - convert a string to an integer
 * atoll - convert a string to an integer
 * atoq - convert a string to an integer
 * auth_destroy - library routines for remote procedure calls
 * Authen::SASL (3pm) - SASL Authentication framework
 * Authen::SASL::Perl (3pm)-- Perl implementation of the SASL Authentication framework
 * Authen::SASL::Perl::ANONYMOUS (3pm)- Anonymous Authentication class
 * Authen::SASL::Perl::CRAM_MD5 (3pm)- CRAM MD5 Authentication class
 * Authen::SASL::Perl::DIGEST_MD5 (3pm)- Digest MD5 Authentication class
 * Authen::SASL::Perl::EXTERNAL (3pm)- External Authentication class
 * Authen::SASL::Perl::GSSAPI (3pm)- GSSAPI (Kerberosv5) Authentication class
 * Authen::SASL::Perl::LOGIN (3pm)- Login Authentication class
 * Authen::SASL::Perl::PLAIN (3pm)- Plain Login Authentication class
 * authnone_create - library routines for remote procedure calls
 * authunix_create - library routines for remote procedure calls
 * authunix_create_default - library routines for remote procedure calls
 * autoconf - Generate configuration scripts
 * autoheader - Create a template header for configure
 * autom4te - Generate files and scripts thanks to M4
 * autopoint - copies standard gettext infrastructure
 * autoreconf - Update generated configuration files
 * autoscan - Generate a preliminary configure.in
 * autoupdate - Update a configure.in to a newer Autoconf
 * avahi-autoipd - IPv4LL network address configuration daemon
 * avahi-autoipd.action - avahi-autoipd action script
 * avahi-browse - Browse for mDNS/DNS-SD services using the Avahi daemon
 * avahi-browse-domains - Browse for mDNS/DNS-SD services using the Avahi daemon
 * avahi-daemon - The Avahi mDNS/DNS-SD daemon
 * avahi-daemon.conf - avahi-daemon configuration file
 * avahi-publish - Register an mDNS/DNS-SD service or host name or address mapping us...
 * avahi-publish-address - Register an mDNS/DNS-SD service or host name or address mappi...
 * avahi-publish-service - Register an mDNS/DNS-SD service or host name or address mappi...
 * avahi-resolve - Resolve one or more mDNS/DNS host name to IP address(es) (and v...
 * avahi-resolve-address - Resolve one or more mDNS/DNS host name to IP address(es) (...
 * avahi-resolve-host-name - Resolve one or more mDNS/DNS host name to IP address(es)...
 * avahi.service - avahi-daemon static service file
 * awk - pattern scanning and processing language
 * axfer - command-line sound recorder and player for sound devices and nodes...
 * axfer-list - dump lists of available sound devices and nodes to transfer audio ...
 * axfer-transfer - transferrer of audio data frame for sound devices and nodes.
 * B::Hooks::EndOfScope (3pm)- Execute code after a scope finished compilation
 * B::Hooks::EndOfScope::PP (3pm)- Execute code after a scope finished compilation- PP imp...
 * B::Hooks::EndOfScope::XS (3pm)- Execute code after a scope finished compilation- XS imp...
 * backend - cups backend transmission interfaces
 * backtrace - support for application self-debugging
 * backtrace_symbols - support for application self-debugging
 * backtrace_symbols_fd - support for application self-debugging
 * badblocks - search a device for bad blocks
 * basename - strip directory and suffix from filenames
 * basename - parse pathname components
 * bash-builtins - bash built-in commands, see bash
 * tc-basic - basic traffic control filter
 * bc - An arbitrary precision calculator language
 * bccmd - Utility for the CSR BCCMD interface
 * bdflush - start, flush, or tune buffer-dirty-flush daemon
 * bdftopcf - convert X font from Bitmap Distribution Format to Portable Compile...
 * bdftruncate - generate truncated BDF font from ISO 10646-1-encoded BDF font
 * bind - bind a name to a socket
 * bind_textdomain_codeset - set encoding of message translations
 * bindresvport - bind a socket to a privileged IP port
 * bindtextdomain - set directory containing message catalogs
 * binfmt.d - Configure additional binary formats for executables at boot
 * bio (7ssl) - Basic I/O abstraction
 * biosdecode - BIOS information decoder
 * bison - GNU Project parser generator (yacc replacement)
 * bison.yacc - GNU Project parser generator
 * bitmap - bitmap editor and converter utilities for the X Window System
 * blkdeactivate - utility to deactivate block devices
 * blkdiscard - discard sectors on a device
 * blkid - locate/print block device attributes
 * blkzone - run zone command on a device
 * blockdev - call block device ioctls from the command line
 * bluemoon - Bluemoon configuration utility
 * bluetooth-sendto - GTK application for transferring files over Bluetooth
 * bluetoothctl - interactive bluetooth control tool
 * bluetoothd - Bluetooth daemon
 * bmptoppm - convert a BMP file into a portable anymap
 * bmtoa - bitmap editor and converter utilities for the X Window System
 * body_checks - Postfix built-in content inspection
 * boltctl - control the thunderbolt device manger
 * boltd - thunderbolt device managing system daemon
 * boot - System bootup process based on UNIX System V Release 4
 * bootctl - Control the firmware and boot manager settings
 * bootparam - introduction to boot time parameters of the Linux kernel
 * bootup - System bootup process
 * botti - Run an irssi module, such as a bot, without a UI
 * bounce - Postfix bounce message template format
 * bounce (8postfix) - Postfix delivery status reports
 * bpf-helpers - list of eBPF helper functions
 * bridge - show / manipulate bridge addresses and devices
 * brltty - refreshable braille display driver for Linux/Unix
 * broadwayd - Broadway display server
 * brushtopbm - convert a doodle brush file into a portable bitmap
 * bsd-from - print names of those who have sent mail
 * bsd-mailx - send and receive mail
 * bsd-write - send a message to another user
 * bsd_signal - signal handling with BSD semantics
 * bstring - byte string operations
 * bswap - reverse order of bytes
 * bswap_16 - reverse order of bytes
 * bswap_32 - reverse order of bytes
 * bswap_64 - reverse order of bytes
 * bt-adapter - a bluetooth adapter manager
 * bt-agent - a bluetooth agent
 * bt-device - a bluetooth device manager
 * bt-network - a bluetooth network manager
 * bt-obex - a bluetooth OBEX client/server
 * btattach - attach serial devices to BlueZ stack
 * btmon - Bluetooth monitor
 * btree - btree database access method
 * btrfs - topics about the BTRFS filesystem (mount options, supported file a...
 * btrfs-convert - convert from ext2/3/4 or reiserfs filesystem to btrfs in-place
 * btrfs-device - manage devices of btrfs filesystems
 * btrfs-filesystem - command group that primarily does work on the whole filesystems
 * btrfs-image - create/restore an image of the filesystem
 * btrfs-inspect-internal - query various internal information
 * btrfs-map-logical - map btrfs logical extent to physical extent
 * btrfs-qgroup - control the quota group of a btrfs filesystem
 * btrfs-quota - control the global quota status of a btrfs filesystem
 * btrfs-receive - receive subvolumes from send stream
 * btrfs-replace - replace devices managed by btrfs with other device.
 * btrfs-rescue - Recover a damaged btrfs filesystem
 * btrfs-restore - try to restore files from a damaged btrfs filesystem image
 * btrfs-scrub - scrub btrfs filesystem, verify block checksums
 * btrfs-select-super - overwrite primary superblock with a backup copy
 * btrfs-send - generate a stream of changes between two subvolume snapshots
 * btrfsck - check or repair a btrfs filesystem
 * builtins - bash built-in commands, see bash
 * bunzip2 - a block-sorting file compressor, v1.0.8
 * busctl - Introspect the bus
 * busybox - The Swiss Army Knife of Embedded Linux
 * bwbasic - Bywater BASIC interpreter/shell
 * bwrap - container setup utility
 * bzcmp - compare bzip2 compressed files
 * bzdiff - compare bzip2 compressed files
 * bzegrep - search possibly bzip2 compressed files for a regular expression
 * bzexe - compress executable files in place
 * bzfgrep - search possibly bzip2 compressed files for a regular expression
 * bzgrep - search possibly bzip2 compressed files for a regular expression
 * bzip2 - a block-sorting file compressor, v1.0.8
 * bzip2recover - recovers data from damaged bzip2 files
 * bzless - file perusal filter for crt viewing of bzip2 compressed text
 * bzmore - file perusal filter for crt viewing of bzip2 compressed text
 * c_rehash (1ssl) - Create symbolic links to files named by the hash values
 * ca (1ssl) - sample minimal CA application
 * CA.pl (1ssl) - friendlier interface for OpenSSL certificate programs
 * cabsl - absolute value of a complex number
 * cacademo - libcaca's demonstration applications
 * cacafire - libcaca's demonstration applications
 * cacaserver - telnet server for libcaca
 * cacaview - ASCII image browser
 * cacheflush - flush contents of instruction and/or data cache
 * cacosl - complex arc cosine
 * caiksaurus - English-language thesaurus
 * Cairo (3pm) - Perl interface to the cairo 2d vector graphics library
 * Cairo::GObject (3pm)- Integrate Cairo into the Glib type system
 * cal - displays a calendar and the date of Easter
 * calcurse - terminal-based organizer for interactive and command line use
 * calendar - reminder service
 * calibrate_ppa - pnm2ppa calibration tool
 * calibre-smtp - calibre-smtp
 * callrpc - library routines for remote procedure calls
 * canberra-gtk-play - play a sound event
 * canonical - Postfix canonical table format
 * canonicalize_file_name - return the canonicalized absolute pathname
 * capability.conf - configuration file for the pam_cap module
 * captoinfo - convert a termcap description into a terminfo description
 * Capture::Tiny (3pm) - Capture STDOUT and STDERR from Perl, XS or external programs
 * carg - calculate the complex argument
 * cargf - calculate the complex argument
 * cargl - calculate the complex argument
 * casper-snapshot - a simple script to ease persistence usage.
 * cat - concatenate files and print on the standard output
 * catan - complex arc tangents
 * catanf - complex arc tangents
 * catanh - complex arc tangents hyperbolic
 * catanhf - complex arc tangents hyperbolic
 * catanhl - complex arc tangents hyperbolic
 * catanl - complex arc tangents
 * catchsegv - Catch segmentation faults in programs
 * catclose - open/close a message catalog
 * catman - create or update the pre-formatted manual pages
 * cbc_crypt - fast DES encryption
 * cbrt - cube root function
 * cbrtf - cube root function
 * cbrtl - cube root function
 * cciss - HP Smart Array block driver
 * ccos - complex cosine function
 * ccosf - complex cosine function
 * ccosl - complex cosine function
 * cd-create-profile - Color Manager Profile Creation Tool
 * cd-discid - read CD and get CDDB discid information
 * cd-fix-profile - Color Manager Testing Tool
 * cd-it8 - Color Manager Testing Tool
 * cddb-tool - Get CDDB information
 * cdparanoia - an audio CD reading utility which includes extra data verification...
 * cdw - front-end for cdrecord, mkisofs, growisofs, mkudffs and other tools
 * ceil - ceiling function: smallest integral value not less than argument
 * ceilf - ceiling function: smallest integral value not less than argument
 * ceill - ceiling function: smallest integral value not less than argument
 * celluloid - A simple GTK+ frontend for mpv
 * cexp - complex exponential function
 * cexpf - complex exponential function
 * cexpl - complex exponential function
 * cfdisk - display or manipulate a disk partition table
 * cgdisk - Curses-based GUID partition table (GPT) manipulator
 * CGI::Carp (3pm) - CGI routines for writing to the HTTPD (or other) error log
 * CGI::HTML::Functions (3pm)- Documentation for CGI.pm Legacy HTML Functionality
 * CGI::Push (3pm) - Simple Interface to Server Push
 * CGI::Util (3pm) - Internal utilities used by CGI module
 * chacl - change the access control list of a file or directory
 * chage - change user password expiry information
 * chardet3 - universal character encoding detector
 * chardetect3 - universal character encoding detector
 * charmap - Unicode character picker and font browser
 * charmap - character set description file
 * charsets - character set standards and internationalization
 * chat - Automated conversational script with a modem
 * chcon - change file security context
 * chcpu - configure CPUs
 * chdir - change working directory
 * check_forensic - tool to extract mod_log_forensic output from apache log files
 * checkgid - checks the gid
 * chfn - change real user name and information
 * chmem - configure memory
 * choom - display and adjust OOM-killer score.
 * chromium - the web browser from Google
 * chroot - change root directory
 * chroot - run command or interactive shell with special root directory
 * chrt - manipulate the real-time attributes of a process
 * chvt - change foreground virtual terminal
 * cidr_table - format of Postfix CIDR tables
 * cifscreds - manage NTLM credentials in kernel keyring
 * cifsdd - convert and copy a file over SMB
 * cinnamon-launcher - Start or restart a cinnamon session
 * cinnamon-menu-editor - Editor for the panel menu
 * cinnamon-session - Start the GNOME desktop environment
 * cinnamon-session-quit - End the current GNOME session
 * cinnamon-settings - Configuration panel for cinnamon
 * ciphers (1ssl) - SSL cipher display and cipher list tool
 * ciptool - Bluetooth Common ISDN Access Profile (CIP)
 * CIRCLEQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * CIRCLEQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail que...
 * CIRCLEQ_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail qu...
 * CIRCLEQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queu...
 * CIRCLEQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queu...
 * CIRCLEQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * ckbcomp - compile a XKB keyboard description to a keymap suitable for loadke...
 * cksum - checksum and count the bytes in a file
 * Class::Accessor (3pm)- Automated accessor generation
 * Class::XSAccessor (3pm)- Generate fast XS accessors without runtime compilation
 * Class::XSAccessor::Array (3pm)- Generate fast XS accessors without runtime compilation
 * Class::XSAccessor::Heavy (3pm)- Guts you don't care about
 * classes.conf - class configuration file for cups
 * cleanup (8postfix) - canonicalize and enqueue Postfix message
 * clear - clear the terminal screen
 * clear_console - clear the console
 * clearenv - clear the environment
 * clearerr_unlocked - nonlocking stdio functions
 * cli - Mono's ECMA-CLI native code generator (Just-in-Time and Ahead-of-T...
 * client.conf - client configuration file for cups (deprecated on macos)
 * clnt_broadcast - library routines for remote procedure calls
 * clnt_call - library routines for remote procedure calls
 * clnt_control - library routines for remote procedure calls
 * clnt_create - library routines for remote procedure calls
 * clnt_destroy - library routines for remote procedure calls
 * clnt_freeres - library routines for remote procedure calls
 * clnt_geterr - library routines for remote procedure calls
 * clnt_pcreateerror - library routines for remote procedure calls
 * clnt_perrno - library routines for remote procedure calls
 * clnt_perror - library routines for remote procedure calls
 * clnt_spcreateerror - library routines for remote procedure calls
 * clnt_sperrno - library routines for remote procedure calls
 * clnt_sperror - library routines for remote procedure calls
 * clntraw_create - library routines for remote procedure calls
 * clnttcp_create - library routines for remote procedure calls
 * clntudp_bufcreate - library routines for remote procedure calls
 * clntudp_create - library routines for remote procedure calls
 * clock - determine processor time
 * clock_getcpuclockid - obtain ID of a process CPU-time clock
 * clock_getres - clock and time functions
 * clock_getres - clock and time functions
 * clock_gettime - clock and time functions
 * clock_gettime - clock and time functions
 * clock_nanosleep - high-resolution sleep with specifiable clock
 * clock_settime - clock and time functions
 * clock_settime - clock and time functions
 * close - close a file descriptor
 * closedir - close a directory
 * closelog - send messages to the system logger
 * cluster - find clusters in a graph and augment the graph with this information.
 * cmus - C* Music Player
 * cmus-tutorial - C* Music Player tutorial
 * cmuwmtopbm - convert a CMU window manager bitmap into a portable bitmap
 * col - filter reverse line feeds from input
 * colcrt - filter nroff output for CRT previewing
 * colorit - a script for markuping the text input
 * colormgr - Color Manager Testing Tool
 * combine - combine sets of lines from two files using boolean operations
 * common::sense (3pm) - save a tree AND a kitten, use common::sense!
 * compare - mathematically and visually annotate the difference between an ima...
 * compare-im6 - mathematically and visually annotate the difference between an ima...
 * compare-im6.q16 - mathematically and visually annotate the difference between an ima...
 * complex - basics of complex mathematics
 * compose - execute programs via entries in the mailcap file
 * composite - overlaps one image over another.
 * composite-im6 - overlaps one image over another.
 * composite-im6.q16 - overlaps one image over another.
 * concalc - console calculator
 * config (5ssl) - OpenSSL CONF library configuration files
 * config.guess - guess the build system triplet
 * config.sub - validate and canonicalize a configuration triplet
 * confstr - get configuration dependent string variables
 * conj - calculate the complex conjugate
 * conjf - calculate the complex conjugate
 * conjl - calculate the complex conjugate
 * conjure - interprets and executes scripts written in the Magick Scripting La...
 * conjure-im6 - interprets and executes scripts written in the Magick Scripting La...
 * conjure-im6.q16 - interprets and executes scripts written in the Magick Scripting La...
 * connect - initiate a connection on a socket
 * console-setup - configuration file for setupcon
 * console_codes - Linux console escape and control sequences
 * console_ioctl - ioctls for console terminal and virtual consoles
 * convert - convert between image formats as well as resize an image, blur, cr...
 * convert-im6 - convert between image formats as well as resize an image, blur, cr...
 * convert-im6.q16 - convert between image formats as well as resize an image, blur, cr...
 * copy_file_range - Copy a range of data from one file to another
 * coredump.conf - Core dump storage configuration files
 * coredump.conf.d - Core dump storage configuration files
 * cos - cosine function
 * cosf - cosine function
 * cosh - hyperbolic cosine function
 * coshf - hyperbolic cosine function
 * coshl - hyperbolic cosine function
 * cosl - cosine function
 * cp - copy files and directories
 * cpan - easily interact with CPAN from the command line
 * cpan5.30-i386-linux-gnu - easily interact with CPAN from the command line
 * cpan5.30-x86_64-linux-gnu - easily interact with CPAN from the command line
 * Cpanel::JSON::XS::Type (3pm)- Type support for JSON encode
 * cpgr - copy with locking the given file to the password or group file
 * cpio-filter (1p) - transform a cpio archive
 * cpow - complex power function
 * cpowf - complex power function
 * cpowl - complex power function
 * cpp - The C Preprocessor
 * cpp-9 - The C Preprocessor
 * cppw - copy with locking the given file to the password or group file
 * CPU_ALLOC - macros for manipulating CPU sets
 * CPU_ALLOC_SIZE - macros for manipulating CPU sets
 * CPU_AND - macros for manipulating CPU sets
 * CPU_AND_S - macros for manipulating CPU sets
 * CPU_CLR - macros for manipulating CPU sets
 * CPU_CLR_S - macros for manipulating CPU sets
 * CPU_COUNT - macros for manipulating CPU sets
 * CPU_COUNT_S - macros for manipulating CPU sets
 * CPU_EQUAL - macros for manipulating CPU sets
 * CPU_EQUAL_S - macros for manipulating CPU sets
 * CPU_FREE - macros for manipulating CPU sets
 * CPU_ISSET - macros for manipulating CPU sets
 * CPU_ISSET_S - macros for manipulating CPU sets
 * CPU_OR - macros for manipulating CPU sets
 * CPU_OR_S - macros for manipulating CPU sets
 * CPU_SET - macros for manipulating CPU sets
 * CPU_SET_S - macros for manipulating CPU sets
 * CPU_XOR - macros for manipulating CPU sets
 * CPU_XOR_S - macros for manipulating CPU sets
 * CPU_ZERO - macros for manipulating CPU sets
 * CPU_ZERO_S - macros for manipulating CPU sets
 * cpuid - x86 CPUID access device
 * cracklib-format - cracklib dictionary utilities
 * cracklib-packer - cracklib dictionary utilities
 * cracklib-unpacker - cracklib dictionary utilities
 * crc32 - compute CRC-32 checksums for the given files
 * crda - send to the kernel a wireless regulatory domain for a given ISO / ...
 * crl2pkcs7 (1ssl) - Create a PKCS#7 structure from a CRL and certificates
 * cron - daemon to execute scheduled commands (Vixie Cron)
 * crypt - storage format for hashed passphrases and available hashing methods
 * crypt_checksalt - validate a crypt setting string
 * crypt_gensalt - encode settings for passphrase hashing
 * crypt_gensalt_ra - encode settings for passphrase hashing
 * crypt_gensalt_rn - encode settings for passphrase hashing
 * crypt_preferred_method - get the prefix of the preferred hash method
 * cryptdisks_start - wrapper around cryptsetup that parses /etc/crypttab.
 * cryptdisks_stop - wrapper around cryptsetup that parses /etc/crypttab.
 * crypto (7ssl) - OpenSSL cryptographic library
 * cryptsetup - manage plain dm-crypt and LUKS encrypted volumes
 * cryptsetup-reencrypt - tool for offline LUKS device re-encryption
 * crypttab - static information about encrypted filesystems
 * csin - complex sine function
 * csinf - complex sine function
 * csinl - complex sine function
 * csplit - split a file into sections determined by context lines
 * csqrtf - complex square root
 * csscapture - Downloads CSS stylesheets.
 * csscapture_py3 - Downloads CSS stylesheets.
 * csscombine - Utility to combine several stylesheets into one.
 * csscombine_py3 - Utility to combine several stylesheets into one.
 * cssparse - A CSS parser.
 * cssparse_py3 - A CSS parser.
 * ct (7ssl) - Certificate Transparency
 * ctan - complex tangent function
 * ctanf - complex tangent function
 * ctanh - complex hyperbolic tangent
 * ctanhf - complex hyperbolic tangent
 * ctanhl - complex hyperbolic tangent
 * ctanl - complex tangent function
 * ctime - transform date and time to broken-down time or ASCII
 * ctime_r - transform date and time to broken-down time or ASCII
 * tc-ctinfo - tc connmark processing action
 * ctrlaltdel - set the function of the Ctrl-Alt-Del combination
 * cups - a standards-based, open source printing system
 * cups-browsed - A daemon for browsing the Bonjour broadcasts of shared, remote CUP...
 * cups-browsed.conf - server configuration file for cups-browsed
 * cups-calibrate - ESP CUPS Printer Calibration Tool
 * cups-deviced - cupsd helper programs (deprecated)
 * cups-exec - cupsd helper programs (deprecated)
 * cups-files.conf - file and directory configuration file for cups
 * cups-snmp - cups snmp backend (deprecated)
 * cups-snmp.conf - snmp configuration file for cups (deprecated)
 * cupsaccept - accept/reject jobs sent to a destination
 * cupsctl - configure cupsd.conf options
 * cupsd - cups scheduler
 * cupsd.conf - server configuration file for cups
 * cupsdisable - stop/start printers and classes
 * cupsenable - stop/start printers and classes
 * cupsfilter - convert a file to another format using cups filters (deprecated)
 * cupsreject - accept/reject jobs sent to a destination
 * cupstestppd - test conformance of ppd files
 * curl - transfer a URL
 * cut - remove sections from each line of files
 * cvlc - the VLC media player
 * cvtsudoers - convert between sudoers file formats
 * daemon - run in the background
 * daemon - Writing and packaging system daemons
 * Data::Dump (3pm) - Pretty printing of data structures
 * Data::Dump::Filtered (3pm)- Pretty printing with filtering
 * Data::Dump::Trace (3pm)- Helpers to trace function and method calls
 * date - print or set the system date and time
 * Date::Format (3pm) - Date formating subroutines
 * Date::Language (3pm)- Language specific date formating and parsing
 * Date::Language::Bulgarian (3pm)- localization for Date::Format
 * Date::Parse (3pm) - Parse date strings into time values
 * daylight - initialize time conversion information
 * dbus-cleanup-sockets - clean up leftover sockets in a directory
 * dbus-launch - Utility to start a message bus from a shell script
 * dbus-monitor - debug probe to print message bus messages
 * dbus-run-session - start a process as a new D-Bus session
 * dbus-send - Send a message to a message bus
 * dbus-update-activation-environment - update environment used for D-Bus session services
 * dbus-uuidgen - Utility to generate UUIDs
 * dbwrap_tool - low level TDB/CTDB manipulation tool using the dbwrap interface
 * dc - an arbitrary precision calculator
 * dcfujiturn - Alternative rotation for dcraw processed images
 * dcfujiturn16 - Alternative rotation for dcraw processed images
 * dcgettext - translate message
 * dcngettext - translate message and choose plural form
 * dconf - Simple tool for manipulating a dconf database
 * dconf - A configuration system
 * dconf-service - D-Bus service for writes to the dconf database
 * dcparse - Extract embedded thumbnail image and print CIFF/TIFF data to screen
 * ddp - Linux AppleTalk protocol implementation
 * deallocvt - deallocate unused virtual consoles
 * deb-buildinfo - Debian build information file format
 * deb-origin - Vendor-specific information files
 * deb-postinst - package post-installation maintainer script
 * deb-postrm - package post-removal maintainer script
 * deb-preinst - package pre-installation maintainer script
 * deb-prerm - package pre-removal maintainer script
 * deb-shlibs - Debian shared library information file
 * deb-split - Debian multi-part binary package format
 * deb-substvars - Debian source substitution variables
 * deb-symbols - Debian's extended shared library information file
 * deb-systemd-helper (1p)- subset of systemctl for machines not running systemd
 * deb-systemd-invoke (1p)- wrapper around systemctl, respecting policy-rc.d
 * debconf-apt-progress - install packages using debconf to display a progress bar
 * debconf-communicate - communicate with debconf
 * debconf-escape - helper when working with debconf's escape capability
 * debconf-gettextize - extract translations of debconf templates into PO files
 * debconf-set-selections - insert new values into the debconf database
 * debconf-show - query the debconf database
 * debhelper - the debhelper tool suite
 * debhelper-obsolete-compat - List of no longer supported compat levels
 * Debian::DictionariesCommon (3pm)- dictionaries-common library
 * debugedit - Debuginfo editing helper
 * debugreiserfs - The debugging tool for the ReiserFS filesystem.
 * default.pa - PulseAudio Sound Server Startup Script
 * defer (8postfix) - Postfix delivery status reports
 * defined - a library for working with MaxMind DB files
 * delaunay - constructs the constrained Delaunay triangulation of the input
 * delgroup - remove a user or group from the system
 * delpart - tell the kernel to forget about a partition
 * deluser - remove a user or group from the system
 * deluser.conf - configuration file for deluser and delgroup.
 * delv - DNS lookup and validation utility
 * depmod.d - Configuration directory for depmod
 * des_crypt - fast DES encryption
 * DES_FAILED - fast DES encryption
 * des_modes (7ssl) - the variants of DES and other crypto algorithms of OpenSSL
 * des_setparity - fast DES encryption
 * desktop-file-edit - Installation and edition of desktop files
 * desktop-file-install - Installation and edition of desktop files
 * devdump - Utility programs for dumping and verifying iso9660 images.
 * Devel::CallChecker (3pm)- custom op checking attached to subroutines
 * Devel::Size (3pm) - Perl extension for finding the memory usage of Perl variables
 * Devel::TypeTiny::Perl56Compat (3pm)- shims to allow Type::Tiny to run on Perl 5.6.x
 * Devel::TypeTiny::Perl58Compat (3pm)- shims to allow Type::Tiny to run on Perl 5.8.x
 * devlink-dev - devlink device configuration
 * devlink-health - devlink health reporting and recovery
 * devlink-monitor - state monitoring
 * devlink-port - devlink port configuration
 * devlink-resource - devlink device resource configuration
 * devlink-sb - devlink shared buffer configuration
 * devlink-trap - devlink trap configuration
 * dgettext - translate message
 * dgst (1ssl) - perform digest operations
 * dh-autoreconf - debhelper add-on to run autoreconf during build
 * dh_auto_build - automatically builds a package
 * dh_auto_clean - automatically cleans up after a build
 * dh_auto_configure - automatically configure a package prior to building
 * dh_autoreconf - Call autoreconf-f-i and keep track of the changed files.
 * dh_autoreconf_clean - Clean all changes made by dh_autoreconf
 * dh_autotools-dev_restoreconfig - restore config.sub and config.guess
 * dh_bash-completion - install bash completions for package
 * dh_bugfiles - install bug reporting customization files into package build direc...
 * dh_builddeb - build Debian binary packages
 * dh_clean - clean up package build directories
 * dh_compress - compress files and fix symlinks in package build directories
 * dh_dwz - optimize DWARF debug information in ELF binaries via dwz
 * dh_fixperms - fix permissions of files in package build directories
 * dh_gconf - install GConf defaults files and register schemas (deprecated)
 * dh_install - install files into package build directories
 * dh_installchangelogs - install changelogs into package build directories
 * dh_installcron - install cron scripts into etc/cron.*
 * dh_installdeb - install files into the DEBIAN directory
 * dh_installdebconf - install files used by debconf in package build directories
 * dh_installdirs - create subdirectories in package build directories
 * dh_installdocs - install documentation into package build directories
 * dh_installemacsen - register an Emacs add on package
 * dh_installexamples - install example files into package build directories
 * dh_installgsettings - install GSettings overrides and set dependencies
 * dh_installinit - install service init files into package build directories
 * dh_installinitramfs - install initramfs hooks and setup maintscripts
 * dh_installman - install man pages into package build directories
 * dh_installmenu - install Debian menu files into package build directories
 * dh_installmime - install mime files into package build directories
 * dh_installpam - install pam support files
 * dh_installsystemd - install systemd unit files
 * dh_installsystemduser - install systemd unit files
 * dh_installtmpfiles - install tmpfiles.d configuration files
 * dh_installudev - install udev rules files
 * dh_link - create symlinks in package build directories
 * dh_lintian - install lintian override files into package build directories
 * dh_perl_openssl - add dependencies required for OpenSSL modules
 * dh_prep - perform cleanups in preparation for building a binary package
 * dh_python2 - calculates Python dependencies, adds maintainer scripts to byte co...
 * dh_strip - strip executables, shared libraries, and some static libraries
 * dh_strip_nondeterminism (1p)- strip uninteresting, nondeterministic information from files
 * dh_systemd_enable - enable/disable systemd unit files
 * dh_systemd_start - start/stop/restart systemd unit files
 * dh_testdir - test directory before building Debian package
 * dh_testroot - ensure that a package is built with necessary level of root permis...
 * dh_ucf - register configuration files with ucf
 * dh_usrlocal - migrate usr/local directories to maintainer scripts
 * dhclient - Dynamic Host Configuration Protocol Client
 * dhclient-script - DHCP client network configuration script
 * dhclient.conf - DHCP client configuration file
 * dhcp-eval - ISC DHCP conditional evaluation
 * dhcp-options - Dynamic Host Configuration Protocol options
 * dhparam (1ssl) - DH parameter manipulation and generation
 * dia - a diagram drawing program
 * dialog - display dialog boxes from shell scripts
 * dialog - widgets and utilities for the program
 * dictl - wrapper script for dict that permits using utf-8 encoded dictionar...
 * diffimg - Calculates intersection between two images
 * difftime - calculate time difference
 * Digest::HMAC (3pm) - Keyed-Hashing for Message Authentication
 * Digest::HMAC_MD5 (3pm)- Keyed-Hashing for Message Authentication
 * Digest::HMAC_SHA1 (3pm)- Keyed-Hashing for Message Authentication
 * dir - list directory contents
 * dir_colors - configuration file for dircolors
 * dircolors - color setup for ls
 * dirfd - get directory stream file descriptor
 * dirmngr-client - Tool to access the Dirmngr services
 * dirsplit - splits directory into multiple with equal size
 * discard (8postfix) - Postfix discard mail delivery agent
 * display - displays an image or image sequence on any X server.
 * display-im6 - displays an image or image sequence on any X server.
 * display-im6.q16 - displays an image or image sequence on any X server.
 * ditaa - convert ASCII diagrams into proper bitmap graphics
 * div - compute quotient and remainder of an integer division
 * dkms - Dynamic Kernel Module Support
 * dladdr - translate address to symbolic information
 * dladdr1 - translate address to symbolic information
 * dlerror - obtain error diagnostic for functions in the dlopen API
 * dlinfo - obtain information about a dynamically loaded object
 * dlsym - obtain address of a symbol in a shared object or executable
 * dlvsym - obtain address of a symbol in a shared object or executable
 * dm-tool - a tool to control the display manager
 * dmesg - print or control the kernel ring buffer
 * dmevent_tool - A utility used to load a DSO into dmeventd and (un)register device...
 * dmeventd - Device-mapper event daemon
 * dmraid - discover, configure and activate software (ATA)RAID
 * dmsetup - low level logical volume management
 * dmstats - device-mapper statistics management
 * dn_comp - resolver routines
 * dn_expand - resolver routines
 * dngettext - translate message and choose plural form
 * dnsblog (8postfix) - Postfix DNS white/blacklist logger
 * dnsdomainname - show the system's DNS domain name
 * dnsmasq - A lightweight DHCP and caching DNS server.
 * dnssec-trust-anchors.d - DNSSEC trust anchor configuration files
 * domainname - show or set the system's NIS/YP domain name
 * dosbox - an x86/DOS emulator with sound/graphics
 * dosfsck - check and repair MS-DOS filesystems
 * dosfslabel - set or get MS-DOS filesystem label
 * dot - filter for drawing directed graphs
 * dotty - A Customizable Graph Editor
 * dpkg-architecture - set and determine the architecture for package building
 * dpkg-buildflags - returns build flags to use during package build
 * dpkg-buildpackage - build binary or source packages from sources
 * dpkg-checkbuilddeps - check build dependencies and conflicts
 * dpkg-deb - Debian package archive (.deb) manipulation tool
 * dpkg-genbuildinfo - generate Debian .buildinfo files
 * dpkg-gensymbols - generate symbols files (shared library dependency information)
 * dpkg-maintscript-helper - works around known dpkg limitations in maintainer scripts
 * dpkg-parsechangelog - parse Debian changelog files
 * dpkg-preconfigure - let packages ask questions prior to their installation
 * dpkg-query - a tool to query the dpkg database
 * dpkg-reconfigure - reconfigure an already installed package
 * dpkg-repack - put an unpacked .deb file back together
 * dpkg-scanpackages - create Packages index files
 * dpkg-scansources - create Sources index files
 * dpkg-source - Debian source package (.dsc) manipulation tool
 * dpkg-split - Debian package archive split/join tool
 * dpkg-vendor - queries information about distribution vendors
 * dpkg.cfg - dpkg configuration file
 * Dpkg::Arch (3perl) - handle architectures
 * Dpkg::Build::Env (3perl)- track build environment
 * Dpkg::Build::Info (3perl)- handle build information
 * Dpkg::Build::Types (3perl)- track build types
 * Dpkg::BuildFlags (3perl)- query build flags
 * Dpkg::BuildOptions (3perl)- parse and update build options
 * Dpkg::BuildProfiles (3perl)- handle build profiles
 * Dpkg::Changelog::Entry (3perl)- represents a changelog entry
 * Dpkg::Changelog::Entry::Debian (3perl)- represents a Debian changelog entry
 * Dpkg::Changelog::Parse (3perl)- generic changelog parser for dpkg-parsechangelog
 * Dpkg::Compression (3perl)- simple database of available compression methods
 * Dpkg::Compression::FileHandle (3perl)- object dealing transparently with file compression
 * Dpkg::Conf (3perl) - parse dpkg configuration files
 * Dpkg::Control (3perl)- parse and manipulate official control-like information
 * Dpkg::Control::Changelog (3perl)- represent info fields output by dpkg-parsechangelog
 * Dpkg::Control::FieldsCore (3perl)- manage (list of official) control fields
 * Dpkg::Control::HashCore (3perl)- parse and manipulate a block of RFC822-like fields
 * Dpkg::Control::Tests::Entry (3perl)- represents a test suite entry
 * Dpkg::Deps::KnownFacts (3perl)- list of installed real and virtual packages
 * Dpkg::Deps::Multiple (3perl)- base module to represent multiple dependencies
 * Dpkg::Deps::Simple (3perl)- represents a single dependency statement
 * Dpkg::Index (3perl) - generic index of control information
 * Dpkg::Interface::Storable (3perl)- common methods related to object serialization
 * Dpkg::IPC (3perl) - helper functions for IPC
 * Dpkg::Path (3perl) - some common path handling functions
 * Dpkg::Substvars (3perl)- handle variable substitution in strings
 * Dpkg::Vendor (3perl)- get access to some vendor specific information
 * dprintf - formatted output conversion
 * drand48 - generate uniformly distributed pseudo-random numbers
 * drand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * drem - floating-point remainder function
 * dremf - floating-point remainder function
 * dreml - floating-point remainder function
 * driverless - PPD generator utility for driverless printing
 * dsaparam (1ssl) - DSA parameter manipulation and generation
 * dsc - Debian source packages' control file format
 * dsp56k - DSP56001 interface device
 * dumpe2fs - dump ext2/ext3/ext4 filesystem information
 * dumpkeys - dump keyboard translation tables
 * dup - duplicate a file descriptor
 * dup2 - duplicate a file descriptor
 * dup3 - duplicate a file descriptor
 * dvipdf - Convert TeX DVI file to PDF using ghostscript and dvips
 * dwp - The DWARF packaging utility
 * dwz - DWARF optimization and duplicate removal tool
 * DynaLoader::Functions (3pm)- deconstructed dynamic C library loading
 * e2freefrag - report free space fragmentation information
 * e2fsck - check a Linux ext2/ext3/ext4 file system
 * e2fsck.conf - Configuration file for e2fsck
 * e2label - Change the label on an ext2/ext3/ext4 filesystem
 * e2scrub - check the contents of a mounted ext[234] filesystem
 * e2scrub_all - check all mounted ext[234] filesystems for errors.
 * e4crypt - ext4 filesystem encryption utility
 * ecryptfs - an enterprise-class cryptographic filesystem for linux
 * ebtables-nft - Ethernet bridge frame table administration (nft-based)
 * ebtables-nft-restore - iptables using nftables kernel api
 * ecb_crypt - fast DES encryption
 * echo - display a line of text
 * ecparam (1ssl) - EC parameter manipulation and generation
 * ecryptfs-add-passphrase - add an eCryptfs mount passphrase to the kernel keyring.
 * ecryptfs-find - use inode numbers to match encrypted/decrypted filenames
 * ecryptfs-generate-tpm-key - generate an eCryptfs key for TPM hardware.
 * ecryptfs-insert-wrapped-passphrase-into-key... - unwrap a wrapped passphrase from fil...
 * ecryptfs-manager - eCryptfs key manager.
 * ecryptfs-migrate-home - migrate a user's home directory to an encrypted home setup
 * ecryptfs-mount-private - interactive eCryptfs private mount wrapper script.
 * ecryptfs-recover-private - find and mount any encrypted private directories
 * ecryptfs-rewrap-passphrase - unwrap an eCryptfs wrapped passphrase, rewrap it with a ...
 * ecryptfs-rewrite-file - force a file to be rewritten (reencrypted) in the lower files...
 * ecryptfs-setup-private - setup an eCryptfs private directory.
 * ecryptfs-setup-swap - ensure that any swap space is encrypted
 * ecryptfs-stat - Present statistics on encrypted eCryptfs file attributes
 * ecryptfs-umount-private - eCryptfs private unmount wrapper script.
 * ecryptfs-unwrap-passphrase - unwrap an eCryptfs mount passphrase from file.
 * ecryptfs-verify - validate an eCryptfs encrypted home or encrypted private configura...
 * ecryptfs-wrap-passphrase - wrap an eCryptfs mount passphrase.
 * ecryptfsd - user-space eCryptfs daemon.
 * ecvt - convert a floating-point number to a string
 * ecvt_r - convert a floating-point number to a string
 * ed - line-oriented text editor
 * Ed25519 (7ssl) - EVP_PKEY Ed25519 and Ed448 support
 * Ed448 (7ssl) - EVP_PKEY Ed25519 and Ed448 support
 * edit - execute programs via entries in the mailcap file
 * editline (7edit) - line editing user interface
 * editor - Nano's ANOther editor, inspired by Pico
 * editrc (5edit) - configuration file for editline library
 * editres - a dynamic resource editor for X Toolkit applications
 * elf - format of Executable and Linking Format (ELF) files
 * enc (1ssl) - symmetric cipher routines
 * enc2xs -- Perl Encode Module Generator
 * enchant - a spellchecker
 * enchant-2 - a spellchecker
 * enchant-lsmod - Show information about available spell-checking modules and dictio...
 * enchant-lsmod-2 - list provider and dictionary information
 * Encode::Locale (3pm)- Determine the locale encoding
 * endaliasent - read an alias entry
 * endfsent - handle fstab entries
 * endmntent - get filesystem descriptor file entry
 * endservent - get service entry
 * endutxent - access utmp file entries
 * environment.d - Definition of user session environment
 * envz - environment string support
 * envz_add - environment string support
 * envz_entry - environment string support
 * envz_get - environment string support
 * envz_merge - environment string support
 * envz_remove - environment string support
 * envz_strip - environment string support
 * epoll - I/O event notification facility
 * epoll_create - open an epoll file descriptor
 * epoll_create1 - open an epoll file descriptor
 * epoll_ctl - control interface for an epoll file descriptor
 * epoll_pwait - wait for an I/O event on an epoll file descriptor
 * epoll_wait - wait for an I/O event on an epoll file descriptor
 * eps2eps - Ghostscript PostScript "distiller"
 * eqn - format equations for troff or MathML
 * erand48 - generate uniformly distributed pseudo-random numbers
 * erand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * erf - error function
 * erfc - complementary error function
 * erfcf - complementary error function
 * erfcl - complementary error function
 * erff - error function
 * erfl - error function
 * errno - look up errno names and descriptions
 * error - glibc error reporting functions
 * error (8postfix) - Postfix error/retry mail delivery agent
 * Error::Simple (3pm) - the simple error sub-class of Error
 * Error::TypeTiny (3pm)- exceptions for Type::Tiny and friends
 * Error::TypeTiny::Assertion (3pm)- exception when a value fails a type constraint
 * Error::TypeTiny::Compilation (3pm)- exception for Eval::TypeTiny
 * Error::TypeTiny::WrongNumberOfParameters (3pm)- exception for Type::Params
 * error_at_line - glibc error reporting functions
 * error_message_count - glibc error reporting functions
 * error_one_per_line - glibc error reporting functions
 * error_print_progname - glibc error reporting functions
 * esc-m - ease viewing output of driver data
 * espdiff - apply the appropriate transformation to a set of patches
 * tc-etf - Earliest TxTime First (ETF) Qdisc
 * ether_aton - Ethernet address manipulation routines
 * ether_aton_r - Ethernet address manipulation routines
 * ether_hostton - Ethernet address manipulation routines
 * ether_line - Ethernet address manipulation routines
 * ether_ntoa - Ethernet address manipulation routines
 * ether_ntoa_r - Ethernet address manipulation routines
 * ether_ntohost - Ethernet address manipulation routines
 * ethers - Ethernet address to IP number database
 * ethtool - query or control network driver and hardware settings
 * eutp - EuroBraille file transferring
 * EV (3pm) - perl interface to libev, a high performance full-featured event loop
 * EV::libev (3pm) - a high performance full-featured event loop written in C
 * EV::MakeMaker (3pm) - MakeMaker glue for the C-level EV API
 * Eval::TypeTiny (3pm)- utility to evaluate a string of Perl code in a clean environment
 * eventfd - create a file descriptor for event notification
 * eventfd2 - create a file descriptor for event notification
 * eventfd_read - create a file descriptor for event notification
 * eventfd_write - create a file descriptor for event notification
 * evp (7ssl) - high-level cryptographic functions
 * ex - Vi IMproved, a programmer's text editor
 * exa - new 2D acceleration architecture for X.Org
 * exec - execute a file
 * execl - execute a file
 * execle - execute a file
 * execlp - execute a file
 * execv - execute a file
 * execve - execute program
 * execveat - execute program relative to a directory file descriptor
 * execvp - execute a file
 * execvpe - execute a file
 * exfatfsck - check an exFAT file system
 * exfatlabel - get or set an exFAT file system label
 * exifautotran - Transforms Exif files so that Orientation becomes 1
 * exit - terminate the calling process
 * exit - cause normal process termination
 * exp - base-e exponential function
 * exp10 - base-10 exponential function
 * exp10f - base-10 exponential function
 * exp10l - base-10 exponential function
 * exp2 - base-2 exponential function
 * exp2f - base-2 exponential function
 * exp2l - base-2 exponential function
 * expf - base-e exponential function
 * expiry - check and enforce password expiration policy
 * expl - base-e exponential function
 * Exporter::Shiny (3pm)- shortcut for Exporter::Tiny
 * Exporter::Tiny (3pm)- an exporter with the features of Sub::Exporter but only core depen...
 * Exporter::Tiny::Manual::Etc (3pm)- odds and ends
 * Exporter::Tiny::Manual::Exporting (3pm)- creating an exporter using Exporter::Tiny
 * Exporter::Tiny::Manual::Importing (3pm)- importing from Exporter::Tiny-based modules
 * Exporter::Tiny::Manual::QuickStart (3pm)- the quickest way to get up and running with Ex...
 * ext2 - the second extended file system
 * ext3 - the third extended file system
 * ext4 - the fourth extended file system
 * ExtUtils::Depends (3pm)- Easily build XS extensions that depend on XS extensions
 * eyuvtoppm - convert a Berkeley YUV file to a portable pixmap file
 * fabs - absolute value of floating-point number
 * fabsf - absolute value of floating-point number
 * fabsl - absolute value of floating-point number
 * factor - factor numbers
 * fadvise64 - predeclare an access pattern for file data
 * fadvise64_64 - predeclare an access pattern for file data
 * faillog - login failure logging file
 * faillog - display faillog records or set login failure limits
 * fakeroot - run a command in an environment faking root privileges for file ma...
 * fakeroot-sysv - run a command in an environment faking root privileges for file ma...
 * fakeroot-tcp - run a command in an environment faking root privileges for file ma...
 * false - do nothing, unsuccessfully
 * fanotify - monitoring filesystem events
 * fatlabel - set or get MS-DOS filesystem label
 * fbdev - video driver for framebuffer device
 * fbdevhw - os-specific submodule for framebuffer device access
 * fc-cache - build font information cache files
 * fc-cat - read font information cache files
 * fc-conflist - Show the ruleset files information on the system
 * fc-scan - scan font files or directories
 * fcgistarter - Start a FastCGI program
 * fchdir - change working directory
 * fcntl - manipulate file descriptor
 * fcntl64 - manipulate file descriptor
 * fcvt - convert a floating-point number to a string
 * fcvt_r - convert a floating-point number to a string
 * fdatasync - synchronize a file's in-core state with storage device
 * fdfind - find entries in the filesystem
 * fdisk - manipulate disk partition table
 * fdopen - stream open functions
 * fdopendir - open a directory
 * fdp - filter for drawing undirected graphs
 * feature_test_macros - feature test macros
 * feclearexcept - floating-point rounding and exception handling
 * fedisableexcept - floating-point rounding and exception handling
 * feenableexcept - floating-point rounding and exception handling
 * fegetenv - floating-point rounding and exception handling
 * fegetexcept - floating-point rounding and exception handling
 * fegetexceptflag - floating-point rounding and exception handling
 * fegetround - floating-point rounding and exception handling
 * feholdexcept - floating-point rounding and exception handling
 * fenv - floating-point rounding and exception handling
 * feof_unlocked - nonlocking stdio functions
 * feraiseexcept - floating-point rounding and exception handling
 * ferror_unlocked - nonlocking stdio functions
 * fesetenv - floating-point rounding and exception handling
 * fesetexceptflag - floating-point rounding and exception handling
 * fesetround - floating-point rounding and exception handling
 * fetestexcept - floating-point rounding and exception handling
 * feupdateenv - floating-point rounding and exception handling
 * fexecve - execute program specified via file descriptor
 * fflush_unlocked - nonlocking stdio functions
 * ffmpeg-devices - FFmpeg devices
 * ffmpeg-scaler - FFmpeg video scaling and pixel format converter
 * ffsl - find first bit set in a word
 * ffsll - find first bit set in a word
 * fgconsole - print the number of the active VT.
 * fgetc_unlocked - nonlocking stdio functions
 * fgetgrent_r - get group file entry reentrantly
 * fgetpos - reposition a stream
 * fgetpwent_r - get passwd file entry reentrantly
 * fgets_unlocked - nonlocking stdio functions
 * fgetwc_unlocked - nonlocking stdio functions
 * fgetws_unlocked - nonlocking stdio functions
 * fgetxattr - retrieve an extended attribute value
 * fiascotopnm - Convert compressed FIASCO image to PGM, or PPM
 * figlet-toilet - display large colourful characters
 * file2brl - Translate an xml or a text file into an embosser-ready braille file
 * File::BaseDir (3pm) - Use the Freedesktop.org base directory specification
 * File::FcntlLock (3pm)- File locking with fcntl
 * File::FcntlLock::Inline (3pm)- File locking with fcntl
 * File::FcntlLock::Pure (3pm)- File locking with fcntl
 * File::FcntlLock::XS (3pm)- File locking with fcntl
 * File::Find::Rule::Extending (3pm)- the mini-guide to extending File::Find::Rule
 * File::IconTheme (3pm)- find icon directories
 * File::Listing (3pm) - parse directory listing
 * File::MimeInfo (3pm)- Determine file type from the file name
 * File::MimeInfo::Applications (3pm)- Find programs to open a file by mimetype
 * File::MimeInfo::Cookbook (3pm)- various code snippets
 * File::MimeInfo::Magic (3pm)- Determine file type with magic
 * File::Rename::Options (3pm)- Option processing for File::Rename
 * File::UserDirs (3pm)- find extra media and documents directories
 * filefrag - report on file fragmentation
 * filefuncs (3am) - provide some file related functionality to gawk
 * fileno_unlocked - nonlocking stdio functions
 * filesystems - Linux filesystem types: ext, ext2, ext3, ext4, hpfs, iso9660, JFS,...
 * finalrd - final runtime directory generator for shutdown
 * find - search for files in a directory hierarchy
 * findfs - find a filesystem by label or UUID
 * findsmb - list info about machines that respond to SMB name queries on a subnet
 * finite - BSD floating-point classification functions
 * finitef - BSD floating-point classification functions
 * finitel - BSD floating-point classification functions
 * fixparts - MBR partition table repair utility
 * flatpak - Build, install and run applications and runtimes
 * flatpak-build - Build in a directory
 * flatpak-build-bundle - Create a single-file bundle from a local repository
 * flatpak-build-commit-from - Create new commits based on existing one (possibly from a...
 * flatpak-build-export - Create a repository from a build directory
 * flatpak-build-finish - Finalize a build directory
 * flatpak-build-import-bundle - Import a file bundle into a local repository
 * flatpak-build-init - Initialize a build directory
 * flatpak-build-sign - Sign an application or runtime
 * flatpak-build-update-repo - Create a repository from a build directory
 * flatpak-config - Manage configuration
 * flatpak-create-usb - Copy apps and/or runtimes onto removable media.
 * flatpak-document-export - Export a file to a sandboxed application
 * flatpak-document-info - Show information about exported files
 * flatpak-document-unexport - Stop exporting a file
 * flatpak-enter - Enter an application or runtime's sandbox
 * flatpak-flatpakref - Reference to a remote for an application or runtime
 * flatpak-history - Show history
 * flatpak-info - Show information about an installed application or runtime
 * flatpak-install - Install an application or runtime
 * flatpak-installation - Configuration for an installation location
 * flatpak-kill - Stop a running application
 * flatpak-list - List installed applications and/or runtimes
 * flatpak-mask - Mask out updates and automatic installation
 * flatpak-metadata - Information about an application or runtime
 * flatpak-override - Override application requirements
 * flatpak-remote - Configuration for a remote
 * flatpak-remote-add - Add a remote repository
 * flatpak-remote-delete - Delete a remote repository
 * flatpak-remote-info - Show information about an application or runtime in a remote
 * flatpak-remote-ls - Show available runtimes and applications
 * flatpak-remote-modify - Modify a remote repository
 * flatpak-remotes - List remote repositories
 * flatpak-repair - Repair a flatpak installation
 * flatpak-repo - Show information about a local repository
 * flatpak-run - Run an application or open a shell in a runtime
 * flatpak-search - Search for applications and runtimes
 * flatpak-uninstall - Uninstall an application or runtime
 * flatpak-update - Update an application or runtime
 * flex - the fast lexical analyser generator
 * flex++ - the fast lexical analyser generator
 * flipdiff - exchange the order of two incremental patches
 * flistxattr - list extended attribute names
 * flock - manage locks from shell scripts
 * flock - apply or remove an advisory lock on an open file
 * floor - largest integral value not greater than argument
 * floorf - largest integral value not greater than argument
 * floorl - largest integral value not greater than argument
 * flush (8postfix) - Postfix fast flush server
 * fma - floating-point multiply and add
 * fmaf - floating-point multiply and add
 * fmal - floating-point multiply and add
 * fmax - determine maximum of two floating-point numbers
 * fmaxf - determine maximum of two floating-point numbers
 * fmaxl - determine maximum of two floating-point numbers
 * fmin - determine minimum of two floating-point numbers
 * fminf - determine minimum of two floating-point numbers
 * fminl - determine minimum of two floating-point numbers
 * fmod - floating-point remainder function
 * fmodf - floating-point remainder function
 * fmodl - floating-point remainder function
 * fmt - simple optimal text formatter
 * Font::TTF (3pm) - Perl module for TrueType Font hacking
 * Font::TTF::AATKern (3pm)- AAT Kern table
 * Font::TTF::AATutils (3pm)- Utility functions for AAT tables
 * Font::TTF::Anchor (3pm)- Anchor points for GPOS tables
 * Font::TTF::Bsln (3pm)- Baseline table in a font
 * Font::TTF::Cmap (3pm)- Character map table
 * Font::TTF::Coverage (3pm)- Opentype coverage and class definition objects
 * Font::TTF::Cvt_ (3pm)- Control Value Table in a TrueType font
 * Font::TTF::Delta (3pm)- Opentype Device tables
 * Font::TTF::Dumper (3pm)- Debug dump of a font datastructure, avoiding recursion on ' PAR...
 * Font::TTF::EBDT (3pm)- Embeeded Bitmap Data Table
 * Font::TTF::EBLC (3pm)- Embeeded Bitmap Location Table
 * Font::TTF::Fdsc (3pm)- Font Descriptors table in a font
 * Font::TTF::Feat (3pm)- Font Features
 * Font::TTF::Features::Cvar (3pm)- Class for Character Variants Feature Parameters
 * Font::TTF::Features::Size (3pm)- Class for Size Feature Parameters
 * Font::TTF::Features::Sset (3pm)- Class for Stylistic Set Feature Parameters
 * Font::TTF::Fmtx (3pm)- Font Metrics table
 * Font::TTF::Font (3pm)- Memory representation of a font
 * Font::TTF::Fpgm (3pm)- Font program in a TrueType font. Called when a font is loaded
 * Font::TTF::GDEF (3pm)- Opentype GDEF table support
 * Font::TTF::Glat (3pm)- Hold glyph attributes
 * Font::TTF::Gloc (3pm)- Offsets into Glat table for the start of the attributes for each ...
 * Font::TTF::Glyf (3pm)- The Glyf data table
 * Font::TTF::Glyph (3pm)- Holds a information for a single glyph
 * Font::TTF::GPOS (3pm)- Support for Opentype GPOS tables in conjunction with TTOpen
 * Font::TTF::GrFeat (3pm)- Graphite Font Features
 * Font::TTF::GSUB (3pm)- Module support for the GSUB table in conjunction with TTOpen
 * Font::TTF::Hdmx (3pm)- Horizontal device metrics
 * Font::TTF::Head (3pm)- The head table for a TTF Font
 * Font::TTF::Hhea (3pm)- Horizontal Header table
 * Font::TTF::Hmtx (3pm)- Horizontal Metrics
 * Font::TTF::Kern (3pm)- Kerning tables
 * Font::TTF::Kern::ClassArray (3pm)- ClassArray Kern Subtable for AAT
 * Font::TTF::Kern::CompactClassArray (3pm)- Compact Class Array kern subtable for AAT
 * Font::TTF::Kern::OrderedList (3pm)- Ordered List Kern subtable for AAT
 * Font::TTF::Kern::StateTable (3pm)- State Table Kern subtable for AAT
 * Font::TTF::Kern::Subtable (3pm)- Kern Subtable superclass for AAT
 * Font::TTF::Loca (3pm)- the Locations table, which is intimately tied to the glyf table
 * Font::TTF::LTSH (3pm)- Linear Threshold table
 * Font::TTF::Manual (3pm)- Information regarding the whole module set
 * Font::TTF::Maxp (3pm)- Maximum Profile table in a font
 * Font::TTF::Mort (3pm)- Glyph Metamorphosis table in a font
 * Font::TTF::Mort::Chain (3pm)- Chain Mort subtable for AAT
 * Font::TTF::Mort::Contextual (3pm)- Contextual Mort subtable for AAT
 * Font::TTF::Mort::Insertion (3pm)- Insertion Mort subtable for AAT
 * Font::TTF::Mort::Ligature (3pm)- Ligature Mort subtable for AAT
 * Font::TTF::Mort::Noncontextual (3pm)- Noncontextual Mort subtable for AAT
 * Font::TTF::Mort::Rearrangement (3pm)- Rearrangement Mort subtable for AAT
 * Font::TTF::Mort::Subtable (3pm)- Mort subtable superclass for AAT
 * Font::TTF::Name (3pm)- String table for a TTF font
 * Font::TTF::OldCmap (3pm)- Character map table
 * Font::TTF::OldMort (3pm)- Glyph Metamorphosis table in a font
 * Font::TTF::OS_2 (3pm)- the OS/2 table in a TTF font
 * Font::TTF::OTTags (3pm)- Utilities for TrueType/OpenType tags
 * Font::TTF::PCLT (3pm)- PCLT TrueType font table
 * Font::TTF::Post (3pm)- Holds the Postscript names for each glyph
 * Font::TTF::Prep (3pm)- Preparation hinting program. Called when ppem changes
 * Font::TTF::Prop (3pm)- Glyph Properties table in a font
 * Font::TTF::PSNames (3pm)- Utilities for Postscript glyph name processing
 * Font::TTF::Segarr (3pm)- Segmented array
 * Font::TTF::Silf (3pm)- The main Graphite table
 * Font::TTF::Sill (3pm)- Graphite language mapping table
 * Font::TTF::Table (3pm)- Superclass for tables and used for tables we don't have a class for
 * Font::TTF::Ttc (3pm)- Truetype Collection class
 * Font::TTF::Ttopen (3pm)- Opentype superclass for standard Opentype lookup based tables (...
 * Font::TTF::Useall (3pm)- shortcut to 'use' all the Font::TTF modules
 * Font::TTF::Utils (3pm)- Utility functions to save fingers
 * Font::TTF::Vhea (3pm)- Vertical Header table
 * Font::TTF::Vmtx (3pm)- Vertical Metrics
 * Font::TTF::Woff::MetaData (3pm)- WOFF metadata
 * Font::TTF::Woff::PrivateData (3pm)- WOFF Private data
 * Font::TTF::XMLparse (3pm)- provides support for XML parsing. Requires Expat module XML::...
 * fonts-conf - Font configuration files
 * foo2ddst - Convert Ghostscript pbmraw into a DDST printer stream
 * foo2ddst-wrapper - Convert Postscript into a DDST printer stream
 * foo2hbpl2 - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2hbpl2-wrapper - Convert Postscript into a ZJS printer stream
 * foo2hiperc - Convert Ghostscript pbmraw or bitcmyk format into a HIPERC printer...
 * foo2hiperc-wrapper - Convert Postscript into a HIPERC printer stream
 * foo2hp - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2hp2600-wrapper - Convert Postscript into a ZJS printer stream
 * foo2lava - Convert Ghostscript pbmraw or bitcmyk format into a LAVAFLOW or a ...
 * foo2lava-wrapper - Convert Postscript into a LAVAFLOW or OPL printer stream
 * foo2oak - Convert Ghostscript pbmraw, pgmraw or bitcmyk format into an OAKT ...
 * foo2oak-wrapper - Convert Postscript into an OAKT printer stream
 * foo2qpdl - Convert Ghostscript pbmraw or bitcmyk format into a QPDL printer s...
 * foo2qpdl-wrapper - Convert Postscript into a QPDL printer stream
 * foo2slx - Convert Ghostscript pbmraw or bitcmyk format into a SLX printer st...
 * foo2slx-wrapper - Convert Postscript into a SLX printer stream
 * foo2xqx - Convert Ghostscript pbmraw into a XQX printer stream
 * foo2xqx-wrapper - Convert Postscript into a XQX printer stream
 * foo2zjs - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2zjs-pstops - Add PS code for foo2*-wrapper
 * foo2zjs-wrapper - Convert Postscript into a ZJS printer stream
 * fopen - stream open functions
 * fork (3am) - basic process management
 * forkpty - terminal utility functions
 * fpathconf - get configuration values for files
 * fpclassify - floating-point classification macros
 * fprintd - Fingerprint management daemon, and test applications
 * fprintd-delete - Fingerprint management daemon, and test applications
 * fprintd-enroll - Fingerprint management daemon, and test applications
 * fprintd-list - Fingerprint management daemon, and test applications
 * fprintd-verify - Fingerprint management daemon, and test applications
 * fprintf - formatted output conversion
 * fputc_unlocked - nonlocking stdio functions
 * fputs_unlocked - nonlocking stdio functions
 * fputwc_unlocked - nonlocking stdio functions
 * fputws_unlocked - nonlocking stdio functions
 * fread_unlocked - nonlocking stdio functions
 * free - Display amount of free and used memory in the system
 * freeaddrinfo - network address and service translation
 * fremovexattr - remove an extended attribute
 * freopen - stream open functions
 * frexp - convert floating-point number to fractional and integral components
 * frexpf - convert floating-point number to fractional and integral components
 * frexpl - convert floating-point number to fractional and integral components
 * from - print names of those who have sent mail
 * fs - Linux filesystem types: ext, ext2, ext3, ext4, hpfs, iso9660, JFS,...
 * fsadm - utility to resize or check filesystem on a device
 * fscanf - input format conversion
 * fsck - check and repair a Linux filesystem
 * fsck.btrfs - do nothing, successfully
 * fsck.cramfs - fsck compressed ROM file system
 * fsck.exfat - check an exFAT file system
 * fsck.ext2 - check a Linux ext2/ext3/ext4 file system
 * fsck.ext3 - check a Linux ext2/ext3/ext4 file system
 * fsck.ext4 - check a Linux ext2/ext3/ext4 file system
 * fsck.fat - check and repair MS-DOS filesystems
 * fsck.hfs - HFS file system consistency check
 * fsck.hfsplus - HFS file system consistency check
 * fsck.jfs - initiate replay of the JFS transaction log, and check and repair a...
 * fsck.minix - check consistency of Minix filesystem
 * fsck.msdos - check and repair MS-DOS filesystems
 * fsck.reiserfs - The checking tool for the ReiserFS filesystem.
 * fsck.vfat - check and repair MS-DOS filesystems
 * fsck.xfs - do nothing, successfully
 * fseek - reposition a stream
 * fseeko - seek to or report file position
 * fsetpos - reposition a stream
 * fsetxattr - set an extended attribute value
 * fsfreeze - suspend access to a filesystem (Ext3/4, ReiserFS, JFS, XFS)
 * fstab - static information about the filesystems
 * fstab-decode - run a command with fstab-encoded arguments
 * fstatfs - get filesystem statistics
 * fstatfs64 - get filesystem statistics
 * fstopgm - convert a Usenix FaceSaver(tm) file into a portable graymap
 * fstrim - discard unused blocks on a mounted filesystem
 * fsync - synchronize a file's in-core state with storage device
 * ftell - reposition a stream
 * ftello - seek to or report file position
 * fattach - unimplemented system calls
 * ftime - return date and time
 * ftm - feature test macros
 * ftp - Internet file transfer program
 * ftruncate - truncate a file to a specified length
 * ftruncate64 - truncate a file to a specified length
 * fts - traverse a file hierarchy
 * fts_children - traverse a file hierarchy
 * fts_close - traverse a file hierarchy
 * fts_open - traverse a file hierarchy
 * fts_read - traverse a file hierarchy
 * fts_set - traverse a file hierarchy
 * ftw - file tree walk
 * full - always full device
 * funzip - filter for extracting from a ZIP archive in a pipe
 * fuse - Filesystem in Userspace (FUSE) device
 * fuser - identify processes using files or sockets
 * futimens - change file timestamps with nanosecond precision
 * futimes - change file timestamps
 * futimesat - change timestamps of a file relative to a directory file descriptor
 * fwide - set and determine the orientation of a FILE stream
 * fwprintf - formatted wide-character output conversion
 * fwrite_unlocked - nonlocking stdio functions
 * fwupdagent - Firmware updating agent
 * fwupdtpmevlog - Debugging utility for the TPM event log
 * gai.conf - getaddrinfo configuration file
 * gai_cancel - asynchronous network address and service translation
 * gai_error - asynchronous network address and service translation
 * gai_strerror - network address and service translation
 * gai_suspend - asynchronous network address and service translation
 * gamma - (logarithm of the) gamma function
 * gamma4scanimage - create a gamma table for scanimage
 * gammaf - (logarithm of the) gamma function
 * gammal - (logarithm of the) gamma function
 * gapplication - D-Bus application launcher
 * gatttool - tool for Bluetooth Low Energy device
 * gawk - pattern scanning and processing language
 * gcalccmd - a console calculator
 * gcc-ar - a wrapper around ar adding the--plugin option
 * gcc-ar-9 - a wrapper around ar adding the--plugin option
 * gcc-nm - a wrapper around nm adding the--plugin option
 * gcc-nm-9 - a wrapper around nm adding the--plugin option
 * gcc-ranlib - a wrapper around ranlib adding the--plugin option
 * gcc-ranlib-9 - a wrapper around ranlib adding the--plugin option
 * gcov - coverage testing tool
 * gcov-9 - coverage testing tool
 * gcvt - convert a floating-point number to a string
 * gdb - The GNU Debugger
 * gdbserver - Remote Server for the GNU Debugger
 * gdbus - Tool for working with D-Bus objects
 * gdebi - Simple tool to install deb files
 * gdebi-gtk - Simple tool to install deb files
 * gdisk - Interactive GUID partition table (GPT) manipulator
 * gdk-pixbuf-csource - C code generation utility for GdkPixbuf images
 * gdk-pixbuf-pixdata - GDK Pixbuf library
 * gdk-pixbuf-query-loaders - GdkPixbuf loader registration utility
 * gendiff - utility to aid in error-free diff file generation
 * generic - Postfix generic table format
 * genisoimage - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * genisoimagerc - startup configuration file for genisoimage
 * geoclue - geoclue configuration parameters
 * geqn - format equations for troff or MathML
 * GET (1p) - Simple command line user agent
 * get_avphys_pages - get total and available physical page counts
 * get_current_dir_name - get current working directory
 * get_myaddress - library routines for remote procedure calls
 * get_phys_pages - get total and available physical page counts
 * get_robust_list - get/set list of robust futexes
 * get_thread_area - manipulate thread-local storage information
 * getaddrinfo - network address and service translation
 * getaddrinfo_a - asynchronous network address and service translation
 * getaliasbyname - read an alias entry
 * getaliasbyname_r - read an alias entry
 * getaliasent - read an alias entry
 * getaliasent_r - read an alias entry
 * getauxval - retrieve a value from the auxiliary vector
 * getc_unlocked - nonlocking stdio functions
 * getchar_unlocked - nonlocking stdio functions
 * getcifsacl - Userspace helper to display an ACL in a security descriptor for Co...
 * getconf - Query system configuration variables
 * getcontext - get or set the user context
 * getcontext - get or set the user context
 * getcpu - determine CPU and NUMA node on which the calling thread is running
 * getcwd - get current working directory
 * getcwd - get current working directory
 * getdate - convert a date-plus-time string to broken-down time
 * getdate_err - convert a date-plus-time string to broken-down time
 * getdate_r - convert a date-plus-time string to broken-down time
 * getdents - get directory entries
 * getdents64 - get directory entries
 * getdirentries - get directory entries in a filesystem-independent format
 * getdomainname - get/set NIS domain name
 * getdtablesize - get file descriptor table size
 * getdtablesize - get file descriptor table size
 * getegid - get group identity
 * getegid32 - get group identity
 * geteltorito - an El Torito boot image extractor
 * getent - get entries from Name Service Switch libraries
 * getentropy - fill a buffer with random bytes
 * getfacl - get file access control lists
 * getfattr - get extended attributes of filesystem objects
 * getfsent - handle fstab entries
 * getfsfile - handle fstab entries
 * getfsspec - handle fstab entries
 * getgrent_r - get group file entry reentrantly
 * getgroups - get/set list of supplementary group IDs
 * getgroups32 - get/set list of supplementary group IDs
 * gethostbyaddr - get network host entry
 * gethostbyaddr_r - get network host entry
 * gethostid - get or set the unique identifier of the current host
 * gethostid - get or set the unique identifier of the current host
 * getipnodebyaddr - get network hostnames and addresses
 * getitimer - get or set value of an interval timer
 * getkeycodes - print kernel scancode-to-keycode mapping table
 * getloadavg - get system load averages
 * getmntent - get filesystem descriptor file entry
 * getmntent_r - get filesystem descriptor file entry
 * getnameinfo - address-to-name translation in protocol-independent manner
 * getnetbyaddr - get network entry
 * getnetbyaddr_r - get network entry (reentrant)
 * getnetbyname_r - get network entry (reentrant)
 * getnetent_r - get network entry (reentrant)
 * getopt - parse command options (enhanced)
 * getopt - Parse command-line options
 * getopt_long - Parse command-line options
 * getopt_long_only - Parse command-line options
 * getpcaps - display process capabilities
 * getpeername - get name of connected peer socket
 * getpid - get process identification
 * getppid - get process identification
 * getpriority - get/set program scheduling priority
 * getprotobyname_r - get protocol entry (reentrant)
 * getprotobynumber_r - get protocol entry (reentrant)
 * getprotoent_r - get protocol entry (reentrant)
 * getpt - open the pseudoterminal master (PTM)
 * getpwent_r - get passwd file entry reentrantly
 * getrandom - obtain a series of random bytes
 * getrpcbyname_r - get RPC entry (reentrant)
 * getrpcbynumber_r - get RPC entry (reentrant)
 * getrpcent_r - get RPC entry (reentrant)
 * getservbyname - get service entry
 * getservbyname_r - get service entry (reentrant)
 * getservbyport - get service entry
 * getservbyport_r - get service entry (reentrant)
 * getservent - get service entry
 * getservent_r - get service entry (reentrant)
 * getsockname - get socket name
 * getsockopt - get and set options on sockets
 * getsubopt - parse suboption arguments from a string
 * gettext - translate message
 * gettext - translate message
 * gettextize - install or upgrade gettext infrastructure
 * gettid - get thread identification
 * gettimeofday - get / set time
 * getumask - get file creation mask
 * getunwind - copy the unwind data to caller's buffer
 * getutmp - copy utmp structure to utmpx, and vice versa
 * getutmpx - copy utmp structure to utmpx, and vice versa
 * getutxent - access utmp file entries
 * getutxline - access utmp file entries
 * getwc_unlocked - nonlocking stdio functions
 * getwchar_unlocked - nonlocking stdio functions
 * getwd - get current working directory
 * getxattr - retrieve an extended attribute value
 * gfdl (7gcc) - GNU Free Documentation License
 * gftp - file transfer client for *NIX based machines.
 * gftp-gtk - file transfer client for *NIX based machines.
 * gftp-text - file transfer client for *NIX based machines.
 * ghostscript - Ghostscript (PostScript and PDF language interpreter and previewer)
 * gifsicle - manipulates GIF images and animations
 * gifview - displays GIF images and animations on the X window system
 * gimp - an image manipulation and paint program.
 * gimp-2.10 - an image manipulation and paint program.
 * gimp-console - an image manipulation and paint program.
 * gimp-console-2.10 - an image manipulation and paint program.
 * gimprc - gimp configuration file
 * gimprc-2.10 - gimp configuration file
 * gio-querymodules - GIO module cache creation
 * git - the stupid content tracker
 * git-add - Add file contents to the index
 * git-annotate - Annotate file lines with commit information
 * git-apply - Apply a patch to files and/or to the index
 * git-archive - Create an archive of files from a named tree
 * git-bisect - Use binary search to find the commit that introduced a bug
 * git-blame - Show what revision and author last modified each line of a file
 * git-cat-file - Provide content or type and size information for repository objects
 * git-check-attr - Display gitattributes information
 * git-check-ignore - Debug gitignore / exclude files
 * git-check-ref-format - Ensures that a reference name is well formed
 * git-checkout - Switch branches or restore working tree files
 * git-checkout-index - Copy files from the index to the working tree
 * git-cherry-pick - Apply the changes introduced by some existing commits
 * git-clean - Remove untracked files from the working tree
 * git-clone - Clone a repository into a new directory
 * git-column - Display data in columns
 * git-commit - Record changes to the repository
 * git-commit-tree - Create a new commit object
 * git-config - Get and set repository or global options
 * git-count-objects - Count unpacked number of objects and their disk consumption
 * git-credential - Retrieve and store user credentials
 * git-credential-cache - Helper to temporarily store passwords in memory
 * git-credential-cache--daemon - Temporarily store user credentials in memory
 * git-credential-store - Helper to store credentials on disk
 * git-daemon - A really simple server for Git repositories
 * git-describe - Give an object a human readable name based on an available ref
 * git-diff - Show changes between commits, commit and working tree, etc
 * git-diff-files - Compares files in the working tree and the index
 * git-diff-index - Compare a tree to the working tree or index
 * git-diff-tree - Compares the content and mode of blobs found via two tree objects
 * git-fetch - Download objects and refs from another repository
 * git-fetch-pack - Receive missing objects from another repository
 * git-for-each-ref - Output information on each ref
 * git-fsck - Verifies the connectivity and validity of the objects in the database
 * git-fsck-objects - Verifies the connectivity and validity of the objects in the database
 * git-gc - Cleanup unnecessary files and optimize the local repository
 * git-get-tar-commit-id - Extract commit ID from an archive created using git-archive
 * git-hash-object - Compute object ID and optionally creates a blob from a file
 * git-help - Display help information about Git
 * git-http-backend - Server side implementation of Git over HTTP
 * git-http-fetch - Download from a remote Git repository via HTTP
 * git-http-push - Push objects over HTTP/DAV to another repository
 * git-imap-send - Send a collection of patches from stdin to an IMAP folder
 * git-index-pack - Build pack index file for an existing packed archive
 * git-init - Create an empty Git repository or reinitialize an existing one
 * git-init-db - Creates an empty Git repository
 * git-instaweb - Instantly browse your working repository in gitweb
 * git-interpret-trailers - Add or parse structured information in commit messages
 * git-ls-files - Show information about files in the index and the working tree
 * git-ls-remote - List references in a remote repository
 * git-ls-tree - List the contents of a tree object
 * git-mailsplit - Simple UNIX mbox splitter program
 * git-merge - Join two or more development histories together
 * git-merge-base - Find as good common ancestors as possible for a merge
 * git-merge-one-file - The standard helper program to use with git-merge-index
 * git-merge-tree - Show three-way merge without touching index
 * git-mergetool - Run merge conflict resolution tools to resolve merge conflicts
 * git-mergetool--lib - Common Git merge tool shell scriptlets
 * git-mktree - Build a tree-object from ls-tree formatted text
 * git-multi-pack-index - Write and verify multi-pack-indexes
 * git-mv - Move or rename a file, a directory, or a symlink
 * git-pack-refs - Pack heads and tags for efficient repository access
 * git-parse-remote - Routines to help parsing remote repository access parameters
 * git-prune - Prune all unreachable objects from the object database
 * git-pull - Fetch from and integrate with another repository or a local branch
 * git-push - Update remote refs along with associated objects
 * git-quiltimport - Applies a quilt patchset onto the current branch
 * git-read-tree - Reads tree information into the index
 * git-rebase - Reapply commits on top of another base tip
 * git-receive-pack - Receive what is pushed into the repository
 * git-reflog - Manage reflog information
 * git-remote - Manage set of tracked repositories
 * git-remote-ext - Bridge smart transport to external command.
 * git-remote-fd - Reflect smart transport stream back to caller
 * git-repack - Pack unpacked objects in a repository
 * git-rerere - Reuse recorded resolution of conflicted merges
 * git-reset - Reset current HEAD to the specified state
 * git-restore - Restore working tree files
 * git-rev-list - Lists commit objects in reverse chronological order
 * git-revert - Revert some existing commits
 * git-rm - Remove files from the working tree and from the index
 * git-send-pack - Push objects over Git protocol to another repository
 * git-sh-i18n - Git's i18n setup code for shell scripts
 * git-sh-setup - Common Git shell script setup code
 * git-shell - Restricted login shell for Git-only SSH access
 * git-show-branch - Show branches and their commits
 * git-show-ref - List references in a local repository
 * git-sparse-checkout - Initialize and modify the sparse-checkout configuration, which ...
 * git-stage - Add file contents to the staging area
 * git-stash - Stash the changes in a dirty working directory away
 * git-status - Show the working tree status
 * git-subtree - Merge subtrees together and split repository into subtrees
 * git-switch - Switch branches
 * git-tag - Create, list, delete or verify a tag object signed with GPG
 * git-unpack-file - Creates a temporary file with a blob's contents
 * git-unpack-objects - Unpack objects from a packed archive
 * git-update-index - Register file contents in the working tree to the index
 * git-update-ref - Update the object name stored in a ref safely
 * git-upload-archive - Send archive back to git-archive
 * git-upload-pack - Send objects packed back to git-fetch-pack
 * git-verify-commit - Check the GPG signature of commits
 * git-verify-tag - Check the GPG signature of tags
 * git-web--browse - Git helper script to launch a web browser
 * git-whatchanged - Show logs with difference each commit introduces
 * git-worktree - Manage multiple working trees
 * git-write-tree - Create a tree object from the current index
 * gitcli - Git command-line interface and conventions
 * gitcore-tutorial - A Git core tutorial for developers
 * gitcvs-migration - Git for CVS users
 * gitdiffcore - Tweaking diff output
 * githooks - Hooks used by Git
 * gitignore - Specifies intentionally untracked files to ignore
 * gitremote-helpers - Helper programs to interact with remote repositories
 * gitrepository-layout - Git Repository Layout
 * gitrevisions - Specifying revisions and ranges for Git
 * gitsubmodules - Mounting one repository inside another
 * gittutorial - A tutorial introduction to Git
 * gittutorial-2 - A tutorial introduction to Git: part two
 * gitweb - Git web interface (web frontend to Git repositories)
 * gitweb.conf - Gitweb (Git web interface) configuration file
 * gitworkflows - An overview of recommended workflows with Git
 * Glib (3pm) - Perl wrappers for the GLib utility and Object libraries
 * glib-compile-schemas - GSettings schema compiler
 * Glib::Boxed (3pm) - Generic wrappers for C structures
 * Glib::CodeGen (3pm) - code generation utilities for Glib-based bindings.
 * Glib::Error (3pm) - Exception Objects based on GError
 * Glib::Flags (3pm) - methods and overloaded operators for flags
 * Glib::GenPod (3pm) - POD generation utilities for Glib-based modules
 * Glib::Log (3pm) - A flexible logging mechanism
 * Glib::MakeHelper (3pm)- Makefile.PL utilities for Glib-based extensions
 * Glib::Markup (3pm) - markup handling functions
 * Glib::Object::Introspection (3pm)- Dynamically create Perl language bindings
 * Glib::OptionContext (3pm)- defines options accepted by the commandline option parser
 * Glib::OptionGroup (3pm)- group of options for command line option parsing
 * Glib::Param::Int (3pm)- Paramspecs for integer types
 * Glib::ParseXSDoc (3pm)- Parse POD and XSub declarations from XS files.
 * Glib::Signal (3pm) - Object customization and general purpose notification
 * Glib::Type (3pm) - Utilities for dealing with the GLib Type system
 * Glib::Utils (3pm) - Miscellaneous utility functions
 * Glib::VariantDict (3pm)- Utilities for dealing with the GVariantDict mutable interface t...
 * Glib::VariantType (3pm)- Utilities for dealing with the GVariant type system
 * glxdemo - a demonstration of the GLX functions
 * glxheads - exercise multiple GLX connections
 * glxinfo - show information about the GLX implementation
 * glyrc - search engine for music-related metadata
 * gmtime - transform date and time to broken-down time or ASCII
 * gmtime_r - transform date and time to broken-down time or ASCII
 * gmtp - simple MP3 player client for MTP based devices
 * gnome-calculator - a desktop calculator
 * gnome-character-map - Unicode character picker and font browser
 * gnome-disks - the GNOME Disks application
 * gnome-help - browse system documentation
 * gnome-keyring - The gnome-keyring commandline tool
 * gnome-keyring-3 - The gnome-keyring commandline tool
 * gnome-keyring-daemon - The gnome-keyring daemon
 * gnome-logs - log viewer for the systemd journal
 * gnome-screenshot - capture the screen, a window, or an user-defined area and save the...
 * gnome-session - Start the GNOME desktop environment
 * gnome-session-cinnamon - Start the GNOME desktop environment
 * gnome-session-cinnamon2d - Start the GNOME desktop environment
 * gnome-session-inhibit - inhibit gnome-session functionality
 * gnome-session-quit - End the current GNOME session
 * gnome-system-monitor - view and control processes
 * gnome-terminal - is a terminal emulation application.
 * gnome-terminal.wrapper - is a terminal emulation application.
 * gnote - A simple note-taking application for Gnome
 * gnu_dev_major - manage a device number
 * gnu_dev_makedev - manage a device number
 * gnu_dev_minor - manage a device number
 * gnupg - The GNU Privacy Guard suite of programs
 * gold - The GNU ELF linker
 * gouldtoppm - convert Gould scanner file into a portable pixmap
 * gparted - GNOME Partition Editor for manipulating disk partitions.
 * gpg - OpenPGP encryption and signing tool
 * gpg-agent - Secret key management for GnuPG
 * gpg-check-pattern - Check a passphrase on stdin against the patternfile
 * gpg-connect-agent - Communicate with a running agent
 * gpg-wks-client - Client for the Web Key Service
 * gpg-wks-server - Server providing the Web Key Service
 * gpg-zip - encrypt or sign files into an archive
 * gpgconf - Modify .gnupg home directories
 * gpgsm - CMS encryption and signing tool
 * gpgsplit - Split an OpenPGP message into packets
 * gpgtar - Encrypt or sign files into an archive
 * gpgv - Verify OpenPGP signatures
 * gpic - compile pictures for troff or TeX
 * gprof - display call graph profile data
 * grantpt - grant access to the slave pseudoterminal
 * graphviz - rich set of graph drawing tools
 * groff - front-end for the groff document formatting system
 * grog - guess options for a following groff command
 * grops - PostScript driver for groff
 * grotty - groff driver for typewriter-like devices
 * group.conf - configuration file for the pam_group module
 * group_member - test whether a process is in a group
 * groupmod - modify a group definition on the system
 * groups - print the groups a user is in
 * grpck - verify integrity of group files
 * grub-bios-setup - set up a device to boot using GRUB
 * grub-install - install GRUB to a device
 * grub-macbless - bless a mac file/directory
 * grub-menulst2cfg - transform legacy menu.lst into grub.cfg
 * grub-mkconfig - generate a GRUB configuration file
 * grub-mkdevicemap - make a device map file automatically
 * grub-mknetdir - prepare a GRUB netboot directory.
 * grub-mkpasswd-pbkdf2 - generate hashed password for GRUB
 * grub-mkrescue - make a GRUB rescue image
 * grub-mkstandalone - make a memdisk-based GRUB image
 * grub-mount - export GRUB filesystem with FUSE
 * grub-probe - probe device information for GRUB
 * grub-reboot - set the default boot entry for GRUB, for the next boot only
 * grub-script-check - check grub.cfg for syntax errors
 * grub-set-default - set the saved default boot entry for GRUB
 * grub-syslinux2cfg - transform syslinux config into grub.cfg
 * gs - Ghostscript (PostScript and PDF language interpreter and previewer)
 * gsbj - Format and print text for BubbleJet printer using ghostscript
 * gsdj - Format and print text for DeskJet printer using ghostscript
 * gsdj500 - Format and print text for DeskJet 500 BubbleJet using ghostscript
 * gsettings - GSettings configuration tool
 * gslj - Format and print text for LaserJet printer using ghostscript
 * gslp - Format and print text using ghostscript
 * gsnd - Run ghostscript (PostScript and PDF engine) without display
 * gst-device-monitor-1.0 - Simple command line testing tool for GStreamer device monitors
 * gst-discoverer-1.0 - Display file metadata and stream information
 * gst-inspect-1.0 - print info about a GStreamer plugin or element
 * gst-launch-1.0 - build and run a GStreamer pipeline
 * gst-play-1.0 - Simple command line playback testing tool
 * gtf - calculate VESA GTF mode lines
 * gtk-builder-tool - GtkBuilder file utility
 * gtk-encode-symbolic-svg - Symbolic icon conversion utility
 * gtk-launch - Launch an application
 * gtk-options - Standard Command Line Options for GTK Programs
 * gtk-query-immodules-2.0 - Input method module registration utility
 * gtk-query-immodules-3.0 - Input method module registration utility
 * gtk-query-settings - Utility to print name and value of all GtkSettings properties
 * gtk-update-icon-cache - Icon theme caching utility
 * Gtk3 (3pm) - Perl interface to the 3.x series of the gtk+ toolkit
 * gtscheck - checks that a surface defines a closed, orientable non self-inters...
 * gtscompare - compare two GTS files.
 * gtstemplate - generates of a template used to create new object classes.
 * gucharmap - Unicode character picker and font browser
 * gunzip - compress or expand files
 * gvfs - GIO virtual file system
 * gvfs-less - Execute less on the output of gvfs-cat
 * gvfs-monitor-dir - (unknown subject)
 * gvfs-monitor-file - (unknown subject)
 * gvfs-tree - (unknown subject)
 * gvgen - generate graphs
 * gvmap - find clusters and create a geographical map highlighting clusters.
 * gvmap.sh - pipeline for running gvmap
 * gvpr - graph pattern scanning and processing language
 * gzexe - compress executable files in place
 * gzip - compress or expand files
 * halt - Halt, power-off or reboot the machine
 * happrox - returns a simplified triangulation of a set of points using algori...
 * hasmntopt - get filesystem descriptor file entry
 * hciattach - attach serial devices via UART HCI to BlueZ stack
 * hciconfig - configure Bluetooth devices
 * hcitool - configure Bluetooth connections
 * hd - ASCII, decimal, hexadecimal, octal dump
 * hd - MFM/IDE hard disk devices
 * hddtemp - Utility to monitor hard drive temperature
 * hdparm - get/set SATA/IDE device parameters
 * hdparm.conf - Debian configuration file for hdparm
 * head - output the first part of files
 * header_checks - Postfix built-in content inspection
 * helpztags - generate the help tags file for directory
 * hex2hcd - Broadcom Bluetooth firmware converter
 * hexdump - ASCII, decimal, hexadecimal, octal dump
 * tc-hfsc - Hierarchical Fair Service Curve's control under linux
 * hid2hci - Bluetooth HID to HCI mode switching utility
 * hier - description of the filesystem hierarchy
 * history (3readline) - GNU History Library
 * host.conf - resolver configuration file
 * hostid - print the numeric identifier for the current host
 * hostname - show or set the system's host name
 * hostname - Local hostname configuration file
 * hostname - hostname resolution description
 * hostnamectl - Control the system hostname
 * hosts_options - host access control language extensions
 * hp-clean - Printer Printhead Cleaning Utility
 * hp-colorcal - Printer Cartridge Color Calibration Utility
 * hp-config_usb_printer - HP device config using USB
 * hp-doctor - Self Diagnse Utility and Healing Utility
 * hp-info - Device Information Utility
 * hp-levels - Supply Levels Utility
 * hp-logcapture - HPLIP logs capture Utility
 * hp-makeuri - Device URI Creation Utility
 * hp-pkservice - Policy Kit Service
 * hp-probe - Printer Discovery Utility
 * hp-scan - Scan Utility
 * hp-setup - Printer/Fax Setup Utility
 * hp-timedate - Time/Date Utility
 * hpsa - HP Smart Array SCSI driver
 * htcacheclean - Clean up the disk cache
 * htdigest - manage user files for digest authentication
 * HTML::AsSubs (3pm) - functions that construct a HTML syntax tree
 * HTML::Element (3pm) - Class for objects that represent HTML elements
 * HTML::Element::traverse (3pm)- discussion of HTML::Element's traverse method
 * HTML::Entities (3pm)- Encode or decode strings with HTML entities
 * HTML::Filter (3pm) - Filter HTML text through the parser
 * HTML::Form (3pm) - Class that represents an HTML form element
 * HTML::FormatPS (3pm)- Format HTML as PostScript
 * HTML::FormatRTF (3pm)- Format HTML as RTF
 * HTML::HeadParser (3pm)- Parse  section of a HTML document
 * HTML::LinkExtor (3pm)- Extract links from an HTML document
 * HTML::Parse (3pm) - Deprecated, a wrapper around HTML::TreeBuilder
 * HTML::Tree (3pm) - build and scan parse-trees of HTML
 * HTML::Tree::AboutObjects (3pm)-- article: "User's View of Object-Oriented Modules"
 * HTML::Tree::AboutTrees (3pm)-- article on tree-shaped data structures in Perl
 * HTML::Tree::Scanning (3pm)-- article: "Scanning HTML"
 * HTML::TreeBuilder (3pm)- Parser that builds a HTML syntax tree
 * htmltree (1p) - Parse the given HTML file and dump the parse tree
 * htpasswd - Manage user files for basic authentication
 * HTTP::Config (3pm) - Configuration for request and response objects
 * HTTP::Cookies::Netscape (3pm)- Access to Netscape cookies files
 * HTTP::Daemon (3pm) - A simple http server class
 * HTTP::Date (3pm) - HTTP::Date- date conversion routines
 * HTTP::Headers (3pm) - Class encapsulating HTTP Message headers
 * HTTP::Headers::Util (3pm)- Header value parsing utility functions
 * httxt2dbm - Generate dbm files for use with RewriteMap
 * HUGE_VAL - floating-point constants
 * HUGE_VALF - floating-point constants
 * HUGE_VALL - floating-point constants
 * hwclock - variables that affect the behaviour of the hwclock boot script
 * hwclock - time clocks utility
 * hypnotoad (1p) - Hypnotoad HTTP and WebSocket server
 * hypot - Euclidean distance function
 * hypotf - Euclidean distance function
 * hypotl - Euclidean distance function
 * i386 - change reported architecture in new program environment and/or set...
 * ico - animate an icosahedron or other polyhedron
 * iconv - convert text from one character encoding to another
 * iconv_close - deallocate descriptor for character set conversion
 * iconv_open - allocate descriptor for character set conversion
 * iconvconfig - create iconv module configuration cache
 * identify - describes the format and characteristics of one or more image files.
 * identify-im6 - describes the format and characteristics of one or more image files.
 * identify-im6.q16 - describes the format and characteristics of one or more image files.
 * idevice_id - Prints device name or a list of attached devices.
 * idevicebackup - Create or restore backup for devices.
 * idevicebackup2 - Create or restore backups for devices running iOS 4 or later.
 * idevicecrashreport - Retrieve crash reports from a device.
 * idevicedate - Display the current date or set it on a device.
 * idevicedebug - Interact with the debugserver service of a device.
 * idevicedebugserverproxy - Remote debugging proxy.
 * idevicediagnostics - Interact with the diagnostics interface of a device.
 * ideviceenterrecovery - Make a device enter recovery mode.
 * ideviceimagemounter - Mount disk images on the device.
 * ideviceinfo - Show information about the first connected device.
 * ideviceinstaller - Manage apps on iOS devices.
 * idevicename - Display the device name or set it to NAME if specified.
 * idevicenotificationproxy - Post or observe notifications on a device.
 * idevicepair - Manage host pairings with devices and usbmuxd.
 * ideviceprovision - Manage provisioning profiles on a device.
 * idevicescreenshot - Gets a screenshot from the connected device.
 * idevicesyslog - Relay syslog of a connected device.
 * idmap-plugin - winbind ID mapping plugin for cifs-utils
 * idmap_rfc2307 - Samba's idmap_rfc2307 Backend for Winbind
 * idmapwb - winbind ID mapping plugin for cifs-utils
 * if_freenameindex - get network interface names and indexes
 * if_indextoname - mappings between network interface names and indexes
 * if_nameindex - get network interface names and indexes
 * if_nametoindex - mappings between network interface names and indexes
 * ifcfg - simplistic script which replaces ifconfig IP management
 * ifconfig - configure a network interface
 * ifdata - get network interface info without parsing ifconfig output
 * ifnames - Extract CPP conditionals from a set of files
 * ifne - Run command if the standard input is not empty
 * ifquery - parse interface configuration
 * ifuse - Mount directories of an iOS device locally using fuse.
 * ilbmtoppm - convert an ILBM file into a portable pixmap
 * ilogb - get integer exponent of a floating-point value
 * ilogbf - get integer exponent of a floating-point value
 * ilogbl - get integer exponent of a floating-point value
 * im-config - set up input method configuration for X Window System
 * im-launch - launch input method and execute session program
 * ImageMagick-im6.q16 - is a free software suite for the creation, modification and dis...
 * imaxabs - compute the absolute value of an integer
 * imaxdiv - compute quotient and remainder of an integer division
 * img2txt - convert images to various text-based coloured files
 * imgtoppm - convert an Img-whatnot file into a portable pixmap
 * import - saves any visible window on an X server and outputs it as an image...
 * import-im6 - saves any visible window on an X server and outputs it as an image...
 * import-im6.q16 - saves any visible window on an X server and outputs it as an image...
 * Import::Into (3pm) - Import packages into other packages
 * inet - Internet address manipulation routines
 * inet_addr - Internet address manipulation routines
 * inet_aton - Internet address manipulation routines
 * inet_lnaof - Internet address manipulation routines
 * inet_makeaddr - Internet address manipulation routines
 * inet_netof - Internet address manipulation routines
 * inet_network - Internet address manipulation routines
 * inet_ntoa - Internet address manipulation routines
 * INFINITY - floating-point constants
 * info - readable online documentation
 * infocmp - compare or print out terminfo descriptions
 * infotocap - convert a terminfo description into a termcap description
 * init - systemd system and service manager
 * init-d-script - interpreter for short and simple init.d scripts
 * initgroups - initialize the supplementary group access list
 * initramfs-tools - an introduction to writing scripts for mkinitramfs
 * initramfs.conf - configuration file for mkinitramfs
 * initstate - random number generator
 * initstate_r - reentrant random number generator
 * inode - file inode information
 * inotify - monitoring filesystem events
 * inotify_rm_watch - remove an existing watch from an inotify instance
 * inplace (3am) - emulate sed/perl/ruby in-place editing
 * inputattach - attach a serial line to an input-layer device
 * insl - port I/O
 * insmod - Simple program to insert a module into the Linux Kernel
 * install-docs - manage online Debian documentation
 * install-sgmlcatalog - maintain transitional SGML catalog
 * integritysetup - manage dm-integrity (block level integrity) volumes
 * intel - Intel integrated graphics chipsets
 * intel-virtual-output - Utility for connecting the Integrated Intel GPU to discrete ou...
 * interfaces - network interface configuration for ifup and ifdown
 * intro - introduction to user commands
 * intro - introduction to system calls
 * intro - introduction to library functions
 * intro - introduction to special files
 * intro - introduction to file formats and filesystems
 * intro - introduction to games
 * intro - introduction to overview and miscellany section
 * intro - introduction to administration and privileged commands
 * invoke-rc.d - executes System-V style init script actions
 * inxi - Command line system information script for console and IRC
 * IO::Async::Channel (3pm)- pass values into or out from an IO::Async::Routine
 * IO::Async::Debug (3pm)- debugging control and support for IO::Async
 * IO::Async::FileStream (3pm)- read the tail of a file
 * IO::Async::Handle (3pm)- event callbacks for a non-blocking file descriptor
 * IO::Async::Listener (3pm)- listen on network sockets for incoming connections
 * IO::Async::Loop (3pm)- core loop of the "IO::Async" framework
 * IO::Async::Loop::Epoll (3pm)- use "IO::Async" with "epoll" on Linux
 * IO::Async::Loop::Poll (3pm)- use "IO::Async" with "poll"
 * IO::Async::Loop::Select (3pm)- use IO::Async with "select"
 * IO::Async::LoopTests (3pm)- acceptance testing for IO::Async::Loop subclasses
 * IO::Async::OS (3pm) - operating system abstractions for "IO::Async"
 * IO::Async::OS::cygwin (3pm)- operating system abstractions on "cygwin" for "IO::Async"
 * IO::Async::OS::linux (3pm)- operating system abstractions on "Linux" for IO::Async
 * IO::Async::OS::MSWin32 (3pm)- operating system abstractions on "MSWin32" for "IO::Async"
 * IO::Async::Process (3pm)- start and manage a child process
 * IO::Async::Protocol (3pm)- base class for transport-based protocols
 * IO::Async::Protocol::LineStream (3pm)- stream-based protocols using lines of text
 * IO::Async::Protocol::Stream (3pm)- base class for stream-based protocols
 * IO::Async::Resolver (3pm)- performing name resolutions asynchronously
 * IO::Async::Test (3pm)- utility functions for use in test scripts
 * IO::HTML (3pm) - Open an HTML file with automatic charset detection
 * IO::Pty (3pm) - Pseudo TTY object class
 * IO::Socket::Socks (3pm)- Provides a way to create socks client or server both 4 and 5 ve...
 * IO::Socket::SSL (3pm)- SSL sockets with IO::Socket interface
 * IO::Socket::SSL::Intercept (3pm)-- SSL interception (man in the middle)
 * IO::Socket::SSL::PublicSuffix (3pm)- provide access to Mozilla's list of effective TLD n...
 * IO::Socket::SSL::Utils (3pm)-- loading, storing, creating certificates and keys
 * IO::Tty (3pm) - Low-level allocate a pseudo-Tty, import constants.
 * io_cancel - cancel an outstanding asynchronous I/O operation
 * io_getevents - read asynchronous I/O events from the completion queue
 * io_setup - create an asynchronous I/O context
 * ioctl - control device
 * ioctl_console - ioctls for console terminal and virtual consoles
 * ioctl_fat - manipulating the FAT filesystem
 * ioctl_ficlone - share some the data of one file with another file
 * ioctl_ficlonerange - share some the data of one file with another file
 * ioctl_fideduperange - share some the data of one file with another file
 * ioctl_getfsmap - retrieve the physical layout of the filesystem
 * ioctl_iflags - ioctl operations for inode flags
 * ioctl_ns - ioctl operations for Linux namespaces
 * ioctl_userfaultfd - create a file descriptor for handling page faults in user space
 * ionice - set or get process I/O scheduling class and priority
 * iopl - change I/O privilege level
 * ioprio_get - get/set I/O scheduling class and priority
 * ioprio_set - get/set I/O scheduling class and priority
 * ip - Linux IPv4 protocol implementation
 * ip - show / manipulate routing, network devices, interfaces and tunnels
 * ip-fou - Foo-over-UDP receive port configuration
 * ip-gue - Generic UDP Encapsulation receive port configuration
 * ip-l2tp - L2TPv3 static unmanaged tunnel configuration
 * ip-link - network device configuration
 * ip-macsec - MACsec device configuration
 * ip-monitor - state monitoring
 * ip-mroute - multicast routing cache management
 * ip-netconf - network configuration monitoring
 * ip-ntable - neighbour table configuration
 * ip-route - routing table management
 * ip-rule - routing policy database management
 * ip-sr - IPv6 Segment Routing management
 * ip-token - tokenized interface identifier support
 * ip-tunnel - tunnel configuration
 * ip-xfrm - transform configuration
 * ip6tables - administration tool for IPv4/IPv6 packet filtering and NAT
 * ip6tables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-legacy-restore - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-legacy-save - iptables using old getsockopt/setsockopt-based kernel api
 * ip6tables-nft-restore - iptables using nftables kernel api
 * ip6tables-restore - Restore IPv6 Tables
 * ip6tables-restore-translate - translation tool to migrate from iptables to nftables
 * ip6tables-translate - translation tool to migrate from ip6tables to nftables
 * IPC::Run::Debug (3pm)- debugging routines for IPC::Run
 * IPC::Run::Timer (3pm)-- Timer channels for IPC::Run.
 * IPC::System::Simple (3pm)- Run commands simply, with detailed diagnostics
 * ipcs - show information on IPC facilities
 * ippeveprinter - an ipp everywhere printer application for cups
 * ippfind - find internet printing protocol printers
 * ipptool - perform internet printing protocol requests
 * ippusbxd - Communication driver for IPP-over-USB class printers
 * iptables - administration tool for IPv4/IPv6 packet filtering and NAT
 * iptables-extensions - list of extensions in the standard iptables distribution
 * iptables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-legacy-restore - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-legacy-save - iptables using old getsockopt/setsockopt-based kernel api
 * iptables-nft-restore - iptables using nftables kernel api
 * iptables-restore - Restore IP Tables
 * iptables-restore-translate - translation tool to migrate from iptables to nftables
 * iptables-translate - translation tool to migrate from iptables to nftables
 * iptraf-ng - Interactive Colorful IP LAN Monitor
 * ipv6 - Linux IPv6 protocol implementation
 * iruserok - routines for returning a stream to a remote command
 * iruserok_af - routines for returning a stream to a remote command
 * isalnum - character classification functions
 * isalnum_l - character classification functions
 * isalpha - character classification functions
 * isalpha_l - character classification functions
 * isascii - character classification functions
 * isascii_l - character classification functions
 * isatty - test whether a file descriptor refers to a terminal
 * isblank - character classification functions
 * isblank_l - character classification functions
 * ischroot - detect if running in a chroot
 * iscntrl - character classification functions
 * iscntrl_l - character classification functions
 * isdigit - character classification functions
 * isdigit_l - character classification functions
 * isfdtype - test file type of a file descriptor
 * isfinite - floating-point classification macros
 * isgraph - character classification functions
 * isgraph_l - character classification functions
 * isgreater - floating-point relational tests without exception for NaN
 * isgreaterequal - floating-point relational tests without exception for NaN
 * isinf - floating-point classification macros
 * isinff - BSD floating-point classification functions
 * isinfl - BSD floating-point classification functions
 * isless - floating-point relational tests without exception for NaN
 * islessequal - floating-point relational tests without exception for NaN
 * islessgreater - floating-point relational tests without exception for NaN
 * islower - character classification functions
 * islower_l - character classification functions
 * isnan - floating-point classification macros
 * isnanf - BSD floating-point classification functions
 * isnanl - BSD floating-point classification functions
 * isnormal - floating-point classification macros
 * isodump - Utility programs for dumping and verifying iso9660 images.
 * isohybrid - Post-process an ISO 9660 image for booting as a hard disk.
 * isoinfo - Utility programs for dumping and verifying iso9660 images.
 * isosize - output the length of an iso9660 filesystem
 * isovfy - Utility programs for dumping and verifying iso9660 images.
 * ispell-autobuildhash - Autobuilding the ispell hash file for some dicts
 * ispell-wrapper - smart wrapper for ispell
 * isprint - character classification functions
 * isprint_l - character classification functions
 * ispunct - character classification functions
 * ispunct_l - character classification functions
 * isspace - character classification functions
 * isspace_l - character classification functions
 * issue - prelogin message and identification file
 * isunordered - floating-point relational tests without exception for NaN
 * isupper - character classification functions
 * isupper_l - character classification functions
 * isutf8 - check whether files are valid UTF-8
 * iswctype - wide-character classification
 * iswlower - test for lowercase wide character
 * iswprint - test for printing wide character
 * iswpunct - test for punctuation or symbolic wide character
 * iswxdigit - test for hexadecimal digit wide character
 * isxdigit - character classification functions
 * isxdigit_l - character classification functions
 * italian - a list of italian words
 * iw - show / manipulate wireless devices and their configuration
 * iwconfig - configure a wireless network interface
 * iwevent - Display Wireless Events generated by drivers and setting changes
 * iwgetid - Report ESSID, NWID or AP/Cell Address of wireless network
 * iwlist - Get more detailed wireless information from a wireless interface
 * iwpriv - configure optionals (private) parameters of a wireless network int...
 * iwspy - Get wireless statistics from specific nodes
 * j0 - Bessel functions of the first kind
 * j0f - Bessel functions of the first kind
 * j0l - Bessel functions of the first kind
 * j1 - Bessel functions of the first kind
 * j1f - Bessel functions of the first kind
 * j1l - Bessel functions of the first kind
 * jardetector - binfmt helper to check if a zip/jar file contains a MANIFEST.
 * jarwrapper - wrapper script to run jar files via binfmt.
 * java - Launches a Java application.
 * java-wrappers - capacities shared by java wrapper scripts
 * javac - Reads Java class and interface definitions and compiles them into ...
 * javadoc - Generates HTML pages of API documentation from Java source files.
 * jcmd - Sends diagnostic command requests to a running Java Virtual Machin...
 * jconsole - Starts a graphical console that lets you monitor and manage Java a...
 * jdb - Finds and fixes bugs in Java platform programs.
 * jfs_debugfs - shell-type JFS file system editor
 * jfs_fsck - initiate replay of the JFS transaction log, and check and repair a...
 * jfs_fscklog - extract a JFS fsck service log into a file and/or format and displ...
 * jfs_logdump - dump a JFS formatted device's journal log
 * jfs_mkfs - create a JFS formatted partition
 * jfs_tune - adjust tunable file system parameters on JFS
 * jinfo - Generates configuration information. This command is experimental ...
 * jjs - Invokes the Nashorn engine.
 * jmap - Prints shared object memory maps or heap memory details for a proc...
 * jmtpfs - FUSE based filesystem for accessing MTP devices
 * jn - Bessel functions of the first kind
 * jnf - Bessel functions of the first kind
 * jnl - Bessel functions of the first kind
 * join-dctrl - perform relational join on data in dctrl format
 * journalctl - Query the systemd journal
 * journald.conf - Journal service configuration files
 * journald.conf.d - Journal service configuration files
 * journald@.conf - Journal service configuration files
 * jp2a - convert JPEG images to ASCII
 * jpegexiforient - reads or writes the Exif Orientation Tag
 * jpegtran - lossless transformation of JPEG files
 * jps - Lists the instrumented Java Virtual Machines (JVMs) on the target ...
 * jrand48 - generate uniformly distributed pseudo-random numbers
 * jrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * jrunscript - Runs a command-line script shell that supports interactive and bat...
 * JSON::MaybeXS (3pm) - Use Cpanel::JSON::XS with a fallback to JSON::XS and JSON::PP
 * jstack - Prints Java thread stack traces for a Java process, core file, or ...
 * jstat - Monitors Java Virtual Machine (JVM) statistics. This command is ex...
 * jstatd - Monitors Java Virtual Machines (JVMs) and enables remote monitorin...
 * kbd_mode - report or set the keyboard mode
 * kbdinfo - obtain information about the status of a console
 * kbdrate - reset the keyboard repeat rate and delay time
 * kbookmarkmerger - A program for merging a given set of bookmarks into the user's lis...
 * kbuildsycoca5 - Rebuilds the KService desktop file system configuration cache.
 * kcmp - compare two processes to determine if they share a kernel resource
 * kcookiejar5 - Command line interface to the KDE HTTP cookie daemon
 * keditbookmarks - Bookmark Organizer and Editor
 * kexec_file_load - load a new kernel for later execution
 * kexec_load - load a new kernel for later execution
 * key_secretkey_is_set - interfaces to rpc keyserver daemon
 * key_setsecret - interfaces to rpc keyserver daemon
 * keyboard - keyboard configuration file
 * keyctl - manipulate the kernel's key management facility
 * keymaps - keyboard table descriptions for loadkeys and dumpkeys
 * keyrings - in-kernel key management and retention facility
 * keytool - Manages a keystore (database) of cryptographic keys, X.509 certifi...
 * kf5-config - Prints Qt(TM) and Frameworks installation paths
 * kill - send a signal to a process
 * kill - send signal to a process
 * killall5 - send a signal to all processes.
 * killpg - send signal to a process group
 * killpg - send signal to a process group
 * koi8-r - Russian character set encoded in octal, decimal, and hexadecimal
 * kpartx - Create device maps from partition tables.
 * l2ping - Send L2CAP echo request and receive answer
 * l2test - L2CAP testing tool
 * labs - compute the absolute value of an integer
 * last - show a listing of last logged in users
 * lastb - show a listing of last logged in users
 * lastcomm - print out information about previously executed commands.
 * lastlog - reports the most recent login of all users or of a given user
 * latin1 - ISO 8859-1 character set encoded in octal, decimal, and hexadecimal
 * latin10 - ISO 8859-16 character set encoded in octal, decimal, and hexadecimal
 * latin2 - ISO 8859-2 character set encoded in octal, decimal, and hexadecimal
 * latin3 - ISO 8859-3 character set encoded in octal, decimal, and hexadecimal
 * latin4 - ISO 8859-4 character set encoded in octal, decimal, and hexadecimal
 * latin5 - ISO 8859-9 character set encoded in octal, decimal, and hexadecimal
 * latin6 - ISO 8859-10 character set encoded in octal, decimal, and hexadecimal
 * latin7 - ISO 8859-13 character set encoded in octal, decimal, and hexadecimal
 * latin8 - ISO 8859-14 character set encoded in octal, decimal, and hexadecimal
 * latin9 - ISO 8859-15 character set encoded in octal, decimal, and hexadecimal
 * lcf - Determine which of the historical versions of a config is installed
 * lckdo - run a program with a lock held
 * lcong48 - generate uniformly distributed pseudo-random numbers
 * lcong48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * ld - The GNU linker
 * ld.bfd - The GNU linker
 * ld.gold - The GNU ELF linker
 * ldap.conf - LDAP configuration file/environment variables
 * ldattach - attach a line discipline to a serial line
 * ldconfig - configure dynamic linker run-time bindings
 * ldexp - multiply floating-point number by integral power of 2
 * ldexpf - multiply floating-point number by integral power of 2
 * ldexpl - multiply floating-point number by integral power of 2
 * ldiv - compute quotient and remainder of an integer division
 * leaftoppm - convert Interleaf image format to a portable anymap
 * lefty - A Programmable Graphics Editor
 * lessecho - expand metacharacters
 * lesspipe - "input preprocessor" for less.
 * lex - the fast lexical analyser generator
 * lexgrog - parse header information in man pages
 * lgamma - log gamma function
 * lgamma_r - log gamma function
 * lgammaf - log gamma function
 * lgammaf_r - log gamma function
 * lgammal - log gamma function
 * lgammal_r - log gamma function
 * lgetxattr - retrieve an extended attribute value
 * libao.conf - configuration for libao.
 * libaudit.conf - libaudit configuration file
 * libinput - libinput-based X.Org input driver
 * libmaxminddb - a library for working with MaxMind DB files
 * libnetcfg - configure libnet
 * libnetlink - A library for accessing the netlink service
 * libnss_myhostname.so.2 - Provide hostname resolution for the locally configured syste...
 * libnss_systemd.so.2 - Provide UNIX user and group name resolution for user/group look...
 * libOpenCL - OCL-ICD implementation of OpenCL ICD loader
 * libOpenCL.so - OCL-ICD implementation of OpenCL ICD loader
 * libsmbclient - An extension library for browsers and that can be used as a generi...
 * libwacom-list-local-devices - utility to list tablet devices
 * libwww::lwpcook (3pm)- The libwww-perl cookbook
 * libwww::lwptut (3pm)-- An LWP Tutorial
 * lightdm - a display manager
 * limits.conf - configuration file for the pam_limits module
 * link - call the link function to create a link to a file
 * linkicc - little cms device link generator.
 * lintian-info - give detailed information about Lintian's error tags
 * Lintian::Architecture -- Lintian API for handling architectures and wildcards
 * Lintian::Check::Info - Check script meta data
 * Lintian::Command - Utilities to execute other commands from lintian code
 * Lintian::Command::Simple - Run commands without pipes
 * Lintian::Deb822Parser - Lintian's generic Deb822 parser functions
 * Lintian::File::Path - Lintian representation of a path entry in a package
 * Lintian::Index - access to collected data about the upstream (orig) sources
 * Lintian::Index::Ar - binary symbol information.
 * Lintian::Index::Control::Scripts - information about maintainer scripts.
 * Lintian::Index::Java - java information.
 * Lintian::Index::Objdump - binary symbol information.
 * Lintian::Index::Scripts - information about scripts.
 * Lintian::Inspect::Changelog::Entry - represents one entry in a Debian changelog
 * Lintian::Maintainer -- Lintian checks shared between multiple scripts
 * Lintian::Processable::Binary -- A deb installation package Lintian can process
 * Lintian::Processable::Binary::Changelog - collect changelog information
 * Lintian::Processable::Binary::Class - Lintian interface to binary package data collec...
 * Lintian::Processable::Binary::Copyright - collect copyright information
 * Lintian::Processable::Binary::Relation - Lintian interface to binary package data col...
 * Lintian::Processable::Buildinfo -- A buildinfo file Lintian can process
 * Lintian::Processable::Changelog::Version - Lintian interface to source package data c...
 * Lintian::Processable::Fields::Files - Lintian interface to .buildinfo or changes file...
 * Lintian::Processable::Installable - Lintian interface to binary package data collection
 * Lintian::Processable::Installed - access to collected data about the upstream (orig) ...
 * Lintian::Processable::IsNonFree - Lintian interface to source package data collection
 * Lintian::Processable::Orig - access to collected data about the upstream (orig) sources
 * Lintian::Processable::Patched - access to sources with Debian patches applied
 * Lintian::Processable::Source -- A dsc source package Lintian can process
 * Lintian::Processable::Source::Diffstat - collect diffstat information
 * Lintian::Processable::Source::Fields - Lintian interface to source package data colle...
 * Lintian::Processable::Source::Relation - Lintian interface to source package data col...
 * Lintian::Processable::Source::Repacked - Lintian interface to source package data col...
 * Lintian::Processable::Udeb -- A udeb installation package Lintian can process
 * Lintian::Relation - Lintian operations on dependencies and relationships
 * Lintian::Relation::Version - Comparison operators on Debian versions
 * Lintian::Reporting::ResourceManager -- A simple resource manager for html_reports
 * Lintian::Reporting::Util - Lintian utility functions
 * Lintian::SlidingWindow - Lintian interface to sliding window match
 * Lintian::Spelling -- Lintian spell checks shared between multiple scripts
 * Lintian::Tag::Standard - standard tag with arguments concatenated by space
 * Lintian::Tutorial -- The newcomer's guide to Lintian
 * Lintian::Tutorial::TestSuite -- Quick intro to running the Lintian testsuite
 * Lintian::Tutorial::WritingChecks -- Writing checks for Lintian
 * Lintian::Tutorial::WritingTests -- Short tutorial on writing tests
 * Lintian::Util - Lintian utility functions
 * linux-check-removal - check whether removal of a kernel is safe
 * linux-update-symlinks - maintain symlinks to default kernel and initramfs
 * linux32 - change reported architecture in new program environment and/or set...
 * linux64 - change reported architecture in new program environment and/or set...
 * lio_listio - initiate a list of I/O requests
 * lirc - lirc devices
 * list (1ssl) - list algorithms and features
 * List::Compare::Functional (3pm)- Compare elements of two or more lists
 * List::MoreUtils (3pm)- Provide the stuff missing in List::Util
 * List::MoreUtils::Contributing (3pm)- Gives rough introduction into contributing to List:...
 * List::MoreUtils::PP (3pm)- Provide List::MoreUtils pure Perl implementation
 * List::MoreUtils::XS (3pm)- Provide compiled List::MoreUtils functions
 * LIST_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail qu...
 * LIST_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queues...
 * LIST_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail queue...
 * LIST_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * LIST_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * listen - listen for connections on a socket
 * listxattr - list extended attribute names
 * llabs - compute the absolute value of an integer
 * lldiv - compute quotient and remainder of an integer division
 * llistxattr - list extended attribute names
 * llrint - round to nearest integer
 * llrintf - round to nearest integer
 * llrintl - round to nearest integer
 * llround - round to nearest integer
 * llroundf - round to nearest integer
 * llroundl - round to nearest integer
 * llseek - reposition read/write file offset
 * lmhosts - The Samba NetBIOS hosts file
 * lmtp (8postfix) - Postfix SMTP+LMTP client
 * lneato - A Customizable Graph Editor
 * loader.conf - Configuration file for systemd-boot
 * loadkeys - load keyboard translation tables
 * loadunimap - load the kernel unicode-to-font mapping table
 * local (8postfix) - Postfix local mail delivery
 * locale - get locale-specific information
 * locale - describes a locale definition file
 * locale - description of multilanguage support
 * locale-gen - generates localisation files from templates
 * locale.conf - Configuration file for locale settings
 * locale.gen - Configuration file for locale-gen
 * Locale::gettext (3pm)- message handling functions
 * Locale::gettext_dumb (3pm)- Locale unaware Implementation of Uniforum Message Translation
 * Locale::gettext_pp (3pm)- Pure Perl Implementation of Uniforum Message Translation
 * Locale::gettext_xs (3pm)- XS Implementation of Uniforum Message Translation
 * Locale::libintlFAQ (3pm)- Frequently asked questions for libintl-perl
 * Locale::RecodeData::ASMO_449 (3pm)- Conversion routines for ASMO_449
 * Locale::RecodeData::ATARI_ST (3pm)- Conversion routines for ATARI-ST
 * Locale::RecodeData::ATARI_ST_EURO (3pm)- Conversion routines for ATARI-ST-EURO
 * Locale::RecodeData::CP10007 (3pm)- Conversion routines for CP10007
 * Locale::RecodeData::CP1250 (3pm)- Conversion routines for CP1250
 * Locale::RecodeData::CP1251 (3pm)- Conversion routines for CP1251
 * Locale::RecodeData::CP1252 (3pm)- Conversion routines for CP1252
 * Locale::RecodeData::CP1253 (3pm)- Conversion routines for CP1253
 * Locale::RecodeData::CP1254 (3pm)- Conversion routines for CP1254
 * Locale::RecodeData::CP1256 (3pm)- Conversion routines for CP1256
 * Locale::RecodeData::CP1257 (3pm)- Conversion routines for CP1257
 * Locale::RecodeData::CSN_369103 (3pm)- Conversion routines for CSN_369103
 * Locale::RecodeData::CWI (3pm)- Conversion routines for CWI
 * Locale::RecodeData::DEC_MCS (3pm)- Conversion routines for DEC_MCS
 * Locale::RecodeData::EBCDIC_AT_DE (3pm)- Conversion routines for EBCDIC_AT_DE
 * Locale::RecodeData::EBCDIC_AT_DE_A (3pm)- Conversion routines for EBCDIC_AT_DE_A
 * Locale::RecodeData::EBCDIC_CA_FR (3pm)- Conversion routines for EBCDIC_CA_FR
 * Locale::RecodeData::EBCDIC_DK_NO (3pm)- Conversion routines for EBCDIC_DK_NO
 * Locale::RecodeData::EBCDIC_DK_NO_A (3pm)- Conversion routines for EBCDIC_DK_NO_A
 * Locale::RecodeData::EBCDIC_ES (3pm)- Conversion routines for EBCDIC_ES
 * Locale::RecodeData::EBCDIC_ES_A (3pm)- Conversion routines for EBCDIC_ES_A
 * Locale::RecodeData::EBCDIC_ES_S (3pm)- Conversion routines for EBCDIC_ES_S
 * Locale::RecodeData::EBCDIC_FI_SE (3pm)- Conversion routines for EBCDIC_FI_SE
 * Locale::RecodeData::EBCDIC_FI_SE_A (3pm)- Conversion routines for EBCDIC_FI_SE_A
 * Locale::RecodeData::EBCDIC_FR (3pm)- Conversion routines for EBCDIC_FR
 * Locale::RecodeData::EBCDIC_IS_FRISS (3pm)- Conversion routines for EBCDIC_IS_FRISS
 * Locale::RecodeData::EBCDIC_IT (3pm)- Conversion routines for EBCDIC_IT
 * Locale::RecodeData::EBCDIC_PT (3pm)- Conversion routines for EBCDIC_PT
 * Locale::RecodeData::EBCDIC_UK (3pm)- Conversion routines for EBCDIC_UK
 * Locale::RecodeData::EBCDIC_US (3pm)- Conversion routines for EBCDIC_US
 * Locale::RecodeData::ECMA_CYRILLIC (3pm)- Conversion routines for ECMA_CYRILLIC
 * Locale::RecodeData::GEORGIAN_ACADEMY (3pm)- Conversion routines for GEORGIAN-ACADEMY
 * Locale::RecodeData::GEORGIAN_PS (3pm)- Conversion routines for GEORGIAN-PS
 * Locale::RecodeData::GOST_19768_74 (3pm)- Conversion routines for GOST_19768_74
 * Locale::RecodeData::GREEK7 (3pm)- Conversion routines for GREEK7
 * Locale::RecodeData::GREEK7_OLD (3pm)- Conversion routines for GREEK7_OLD
 * Locale::RecodeData::GREEK_CCITT (3pm)- Conversion routines for GREEK_CCITT
 * Locale::RecodeData::HP_ROMAN8 (3pm)- Conversion routines for HP_ROMAN8
 * Locale::RecodeData::IBM037 (3pm)- Conversion routines for IBM037
 * Locale::RecodeData::IBM038 (3pm)- Conversion routines for IBM038
 * Locale::RecodeData::IBM1004 (3pm)- Conversion routines for IBM1004
 * Locale::RecodeData::IBM1026 (3pm)- Conversion routines for IBM1026
 * Locale::RecodeData::IBM1047 (3pm)- Conversion routines for IBM1047
 * Locale::RecodeData::IBM256 (3pm)- Conversion routines for IBM256
 * Locale::RecodeData::IBM273 (3pm)- Conversion routines for IBM273
 * Locale::RecodeData::IBM274 (3pm)- Conversion routines for IBM274
 * Locale::RecodeData::IBM275 (3pm)- Conversion routines for IBM275
 * Locale::RecodeData::IBM277 (3pm)- Conversion routines for IBM277
 * Locale::RecodeData::IBM278 (3pm)- Conversion routines for IBM278
 * Locale::RecodeData::IBM280 (3pm)- Conversion routines for IBM280
 * Locale::RecodeData::IBM281 (3pm)- Conversion routines for IBM281
 * Locale::RecodeData::IBM284 (3pm)- Conversion routines for IBM284
 * Locale::RecodeData::IBM285 (3pm)- Conversion routines for IBM285
 * Locale::RecodeData::IBM290 (3pm)- Conversion routines for IBM290
 * Locale::RecodeData::IBM297 (3pm)- Conversion routines for IBM297
 * Locale::RecodeData::IBM420 (3pm)- Conversion routines for IBM420
 * Locale::RecodeData::IBM423 (3pm)- Conversion routines for IBM423
 * Locale::RecodeData::IBM424 (3pm)- Conversion routines for IBM424
 * Locale::RecodeData::IBM437 (3pm)- Conversion routines for IBM437
 * Locale::RecodeData::IBM500 (3pm)- Conversion routines for IBM500
 * Locale::RecodeData::IBM850 (3pm)- Conversion routines for IBM850
 * Locale::RecodeData::IBM851 (3pm)- Conversion routines for IBM851
 * Locale::RecodeData::IBM852 (3pm)- Conversion routines for IBM852
 * Locale::RecodeData::IBM855 (3pm)- Conversion routines for IBM855
 * Locale::RecodeData::IBM857 (3pm)- Conversion routines for IBM857
 * Locale::RecodeData::IBM860 (3pm)- Conversion routines for IBM860
 * Locale::RecodeData::IBM861 (3pm)- Conversion routines for IBM861
 * Locale::RecodeData::IBM862 (3pm)- Conversion routines for IBM862
 * Locale::RecodeData::IBM863 (3pm)- Conversion routines for IBM863
 * Locale::RecodeData::IBM864 (3pm)- Conversion routines for IBM864
 * Locale::RecodeData::IBM865 (3pm)- Conversion routines for IBM865
 * Locale::RecodeData::IBM866 (3pm)- Conversion routines for IBM866
 * Locale::RecodeData::IBM868 (3pm)- Conversion routines for IBM868
 * Locale::RecodeData::IBM869 (3pm)- Conversion routines for IBM869
 * Locale::RecodeData::IBM870 (3pm)- Conversion routines for IBM870
 * Locale::RecodeData::IBM871 (3pm)- Conversion routines for IBM871
 * Locale::RecodeData::IBM874 (3pm)- Conversion routines for IBM874
 * Locale::RecodeData::IBM875 (3pm)- Conversion routines for IBM875
 * Locale::RecodeData::IBM880 (3pm)- Conversion routines for IBM880
 * Locale::RecodeData::IBM891 (3pm)- Conversion routines for IBM891
 * Locale::RecodeData::IBM903 (3pm)- Conversion routines for IBM903
 * Locale::RecodeData::IBM904 (3pm)- Conversion routines for IBM904
 * Locale::RecodeData::IBM905 (3pm)- Conversion routines for IBM905
 * Locale::RecodeData::IBM918 (3pm)- Conversion routines for IBM918
 * Locale::RecodeData::IEC_P27_1 (3pm)- Conversion routines for IEC_P27_1
 * Locale::RecodeData::INIS (3pm)- Conversion routines for INIS
 * Locale::RecodeData::INIS_8 (3pm)- Conversion routines for INIS_8
 * Locale::RecodeData::INIS_CYRILLIC (3pm)- Conversion routines for INIS_CYRILLIC
 * Locale::RecodeData::ISO_10367_BOX (3pm)- Conversion routines for ISO_10367_BOX
 * Locale::RecodeData::ISO_2033_1983 (3pm)- Conversion routines for ISO_2033_1983
 * Locale::RecodeData::ISO_5427 (3pm)- Conversion routines for ISO_5427
 * Locale::RecodeData::ISO_5427_EXT (3pm)- Conversion routines for ISO_5427_EXT
 * Locale::RecodeData::ISO_5428 (3pm)- Conversion routines for ISO_5428
 * Locale::RecodeData::ISO_8859_1 (3pm)- Conversion routines for ISO-8859-1
 * Locale::RecodeData::ISO_8859_10 (3pm)- Conversion routines for ISO-8859-10
 * Locale::RecodeData::ISO_8859_11 (3pm)- Conversion routines for ISO-8859-11
 * Locale::RecodeData::ISO_8859_13 (3pm)- Conversion routines for ISO-8859-13
 * Locale::RecodeData::ISO_8859_14 (3pm)- Conversion routines for ISO-8859-14
 * Locale::RecodeData::ISO_8859_15 (3pm)- Conversion routines for ISO-8859-15
 * Locale::RecodeData::ISO_8859_16 (3pm)- Conversion routines for ISO-8859-16
 * Locale::RecodeData::ISO_8859_2 (3pm)- Conversion routines for ISO-8859-2
 * Locale::RecodeData::ISO_8859_3 (3pm)- Conversion routines for ISO-8859-3
 * Locale::RecodeData::ISO_8859_4 (3pm)- Conversion routines for ISO-8859-4
 * Locale::RecodeData::ISO_8859_5 (3pm)- Conversion routines for ISO-8859-5
 * Locale::RecodeData::ISO_8859_6 (3pm)- Conversion routines for ISO-8859-6
 * Locale::RecodeData::ISO_8859_7 (3pm)- Conversion routines for ISO-8859-7
 * Locale::RecodeData::ISO_8859_8 (3pm)- Conversion routines for ISO-8859-8
 * Locale::RecodeData::ISO_8859_9 (3pm)- Conversion routines for ISO-8859-9
 * Locale::RecodeData::KOI8_R (3pm)- Conversion routines for KOI8-R
 * Locale::RecodeData::KOI8_RU (3pm)- Conversion routines for KOI8-RU
 * Locale::RecodeData::KOI8_T (3pm)- Conversion routines for KOI8-T
 * Locale::RecodeData::KOI8_U (3pm)- Conversion routines for KOI8-U
 * Locale::RecodeData::KOI_8 (3pm)- Conversion routines for KOI-8
 * Locale::RecodeData::LATIN_GREEK (3pm)- Conversion routines for LATIN_GREEK
 * Locale::RecodeData::LATIN_GREEK_1 (3pm)- Conversion routines for LATIN_GREEK_1
 * Locale::RecodeData::MAC_IS (3pm)- Conversion routines for MAC-IS
 * Locale::RecodeData::MAC_SAMI (3pm)- Conversion routines for MAC-SAMI
 * Locale::RecodeData::MAC_UK (3pm)- Conversion routines for MAC-UK
 * Locale::RecodeData::MACARABIC (3pm)- Conversion routines for MACARABIC
 * Locale::RecodeData::MACCROATIAN (3pm)- Conversion routines for MACCROATIAN
 * Locale::RecodeData::MACCYRILLIC (3pm)- Conversion routines for MACCYRILLIC
 * Locale::RecodeData::MACGREEK (3pm)- Conversion routines for MACGREEK
 * Locale::RecodeData::MACHEBREW (3pm)- Conversion routines for MACHEBREW
 * Locale::RecodeData::MACICELAND (3pm)- Conversion routines for MACICELAND
 * Locale::RecodeData::MACINTOSH (3pm)- Conversion routines for MACINTOSH
 * Locale::RecodeData::MACROMANIA (3pm)- Conversion routines for MACROMANIA
 * Locale::RecodeData::MACTHAI (3pm)- Conversion routines for MACTHAI
 * Locale::RecodeData::MACTURKISH (3pm)- Conversion routines for MACTURKISH
 * Locale::RecodeData::MACUKRAINE (3pm)- Conversion routines for MACUKRAINE
 * Locale::RecodeData::NATS_DANO (3pm)- Conversion routines for NATS_DANO
 * Locale::RecodeData::NATS_SEFI (3pm)- Conversion routines for NATS_SEFI
 * Locale::RecodeData::NEXTSTEP (3pm)- Conversion routines for NEXTSTEP
 * Locale::RecodeData::SAMI_WS2 (3pm)- Conversion routines for SAMI_WS2
 * Locale::RecodeData::TIS_620 (3pm)- Conversion routines for TIS-620
 * Locale::RecodeData::US_ASCII (3pm)- Conversion routines for US-ASCII
 * Locale::RecodeData::UTF_8 (3pm)- Conversion routines for UTF-8
 * Locale::RecodeData::VISCII (3pm)- Conversion routines for VISCII
 * Locale::TextDomain (3pm)- Perl Interface to Uniforum Message Translation
 * Locale::Util (3pm) - Portable l10n and i10n functions
 * localeconv - get numeric formatting information
 * localectl - Control the system locale and keyboard layout settings
 * localedef - compile locale definition files
 * localtime - transform date and time to broken-down time or ASCII
 * localtime - Local timezone configuration file
 * localtime_r - transform date and time to broken-down time or ASCII
 * log - natural logarithmic function
 * log10 - base-10 logarithmic function
 * log10f - base-10 logarithmic function
 * log10l - base-10 logarithmic function
 * log2 - base-2 logarithmic function
 * log2f - base-2 logarithmic function
 * log2l - base-2 logarithmic function
 * logb - get exponent of a floating-point value
 * logbf - get exponent of a floating-point value
 * logbl - get exponent of a floating-point value
 * logf - natural logarithmic function
 * logger - enter messages into the system log
 * login - begin session on the system
 * login.defs - shadow password suite configuration
 * login_tty - terminal utility functions
 * loginctl - Control the systemd login manager
 * logind.conf - Login manager configuration files
 * logind.conf.d - Login manager configuration files
 * logl - natural logarithmic function
 * logsave - save the output of a command in a logfile
 * logwtmp - append an entry to the wtmp file
 * look - display lines beginning with a given string
 * lookup_dcookie - return a directory entry's path
 * loop - loop devices
 * loop-control - loop devices
 * losetup - set up and control loop devices
 * lowntfs-3g - Third Generation Read/Write NTFS Driver
 * lp - line printer devices
 * lpadmin - configure cups printers and classes
 * lpinfo - show available devices or drivers (deprecated)
 * lpmove - move a job or all jobs to a new destination
 * lpoptions - display or set printer options and defaults
 * lpstat - print cups status information
 * lrand48 - generate uniformly distributed pseudo-random numbers
 * lrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * lremovexattr - remove an extended attribute
 * lrint - round to nearest integer
 * lrintf - round to nearest integer
 * lrintl - round to nearest integer
 * lround - round to nearest integer
 * lroundf - round to nearest integer
 * lroundl - round to nearest integer
 * ls - list directory contents
 * lsattr - list file attributes on a Linux second extended file system
 * lsb_release - print distribution-specific information
 * lsblk - list block devices
 * lscpu - display information about the CPU architecture
 * lseek - reposition read/write file offset
 * lseek64 - reposition 64-bit read/write file offset
 * lsetxattr - set an extended attribute value
 * lsipc - show information on IPC facilities currently employed in the system
 * lslocks - list local system locks
 * lslogins - display information about known users in the system
 * lsmem - list the ranges of available memory with their online status
 * lsmod - Show the status of modules in the Linux Kernel
 * lsns - list namespaces
 * lspci - list all PCI devices
 * lspcmcia - display extended PCMCIA debugging information
 * lspgpot - extracts the ownertrust values from PGP keyrings and list them in ...
 * lss16toppm - Convert an LSS-16 image to PPM
 * lsusb - list USB devices
 * ltrace.conf - Configuration file for ltrace.
 * luit - Locale and ISO 2022 support for Unicode terminals
 * luksformat - Create and format an encrypted LUKS device
 * lutimes - change file timestamps
 * lvchange - Change the attributes of logical volume
 * lvdisplay - Display information about a logical volume
 * lvm - LVM2 tools
 * lvm-config - Display and manipulate configuration information
 * lvm-dumpconfig - Display and manipulate configuration information
 * lvm-fullreport - (unknown subject)
 * lvm-lvpoll - (unknown subject)
 * lvm.conf - Configuration file for LVM2
 * lvm2-activation-generator - generator for systemd units to activate LVM volumes on boot
 * lvmcache - LVM caching
 * lvmconfig - Display and manipulate configuration information
 * lvmdiskscan - List devices that may be used as physical volumes
 * lvmdump - create lvm2 information dumps for diagnostic purposes
 * lvmpolld - LVM poll daemon
 * lvmraid - LVM RAID
 * lvmreport - LVM reporting and related features
 * lvmsadc - LVM system activity data collector
 * lvmsar - LVM system activity reporter
 * lvmsystemid - LVM system ID
 * lvmthin - LVM thin provisioning
 * lvmvdo - EXPERIMENTAL LVM Virtual Data Optimizer support
 * lvreduce - Reduce the size of a logical volume
 * lvremove - Remove logical volume from the system
 * lvs - Display information about logical volumes
 * lvscan - List all logical volumes in all volume groups
 * LWP (3pm) - The World-Wide Web library for Perl
 * lwp-download (1p) - Fetch large files from the web
 * lwp-mirror (1p) - Simple mirror utility
 * lwp-request (1p) - Simple command line user agent
 * LWP::Authen::Ntlm (3pm)- Library for enabling NTLM authentication (Microsoft) in LWP
 * LWP::ConnCache (3pm)- Connection cache manager
 * LWP::Protocol::https (3pm)- Provide https support for LWP::UserAgent
 * LWP::RobotUA (3pm) - a class for well-behaved Web robots
 * LWP::Simple (3pm) - simple procedural interface to LWP
 * lynx - a general purpose distributed information browser for the World Wi...
 * lz - gunzips and shows a listing of a gzip'd tar'd archive
 * lzcmp - compare compressed files
 * lzdiff - compare compressed files
 * lzegrep - search compressed files for a regular expression
 * lzfgrep - search compressed files for a regular expression
 * lzgrep - search compressed files for a regular expression
 * lzless - view xz or lzma compressed (text) files
 * lzmainfo - show information stored in the .lzma file header
 * lzmore - view xz or lzma compressed (text) files
 * machine-id - Local machine ID configuration file
 * machine-info - Local machine information file
 * madvise - give advice about use of memory
 * madvise1 - unimplemented system calls
 * mail - send and receive mail
 * Mail::Field (3pm) - base-class for manipulation of mail header fields
 * Mail::Field::AddrList (3pm)- object representation of e-mail address lists
 * Mail::Field::Generic (3pm)- implementation for inspecific fields
 * Mail::Filter (3pm) - filter mail through multiple subroutines
 * Mail::Mailer (3pm) - send simple emails
 * Mail::Send (3pm) - Simple electronic mail interface
 * Mail::Sendmail (3pm)- Simple platform independent mailer
 * Mail::Util (3pm) - mail utility functions
 * mailaddr - mail addressing description
 * mailcap.order - the mailcap ordering specifications
 * mailq - Postfix to Sendmail compatibility interface
 * mailto.conf - configuration file for cups email notifier
 * mailx - send and receive mail
 * major - manage a device number
 * make-first-existing-target - runs make on one of several targets
 * make-ssl-cert - Debconf wrapper for openssl
 * makedefs - Postfix makefile configuration utility
 * makedev - manage a device number
 * mallinfo - obtain memory allocation information
 * malloc_get_state - record and restore state of malloc implementation
 * malloc_set_state - record and restore state of malloc implementation
 * malloc_stats - print memory allocation statistics
 * malloc_trim - release free memory from the heap
 * mallopt - set memory allocation parameters
 * man - an interface to the system reference manuals
 * man-pages - conventions for writing Linux man pages
 * man-recode - convert manual pages to another encoding
 * manconv - convert manual page from one encoding to another
 * mandb - create or update the manual page index caches
 * manpath - format of the /etc/manpath.config file
 * mapscrn - load screen output mapping table
 * master - Postfix master process configuration file format
 * master (8postfix) - Postfix master process
 * mate-color-select - Select a color from a palette or from screen
 * mate-desktop-item-edit - A small tool to edit .desktop files.
 * mate-panel - The Panel for the MATE Desktop Environment
 * mate-panel-test-applets - display and test installed applets
 * mate-polkit - MATE PolicyKit-1 executable wrapper
 * math_error - detecting errors from mathematical functions
 * matherr - SVID math library exception handling
 * mawk - pattern scanning and text processing language
 * MB_CUR_MAX - maximum length of a multibyte character in the current locale
 * mbadblocks - tests a floppy disk, and marks the bad blocks in the FAT
 * mbsnrtowcs - convert a multibyte string to a wide-character string
 * mbstowcs - convert a multibyte string to a wide-character string
 * mc - Visual shell for Unix-like systems.
 * mcd - change MSDOS directory
 * mcdiff - Visual shell for Unix-like systems.
 * mcedit - Internal file editor of GNU Midnight Commander.
 * mcheck - heap consistency checking
 * mcheck_check_all - heap consistency checking
 * mcheck_pedantic - heap consistency checking
 * mcookie - generate magic cookies for xauth
 * mdeltree - recursively delete an MSDOS directory and its contents
 * mdir - display an MSDOS directory
 * mdu - display the amount of space occupied by an MSDOS directory
 * mechanize - mechanize Documentation
 * memcache_table - Postfix memcache client configuration
 * memchr - scan memory for a character
 * memdiskfind - Simple utility to find a resident memdisk instance.
 * memrchr - scan memory for a character
 * memset - fill memory with a constant byte
 * mesg - display (or do not display) messages from other users
 * metacity - minimal GTK3 Window Manager
 * metacity-message - a command to send a message to Metacity
 * metacity-theme-viewer - view metacity themes
 * metacity-window-demo - demo of window features
 * mib2c.conf - How to write mib2c.conf files to do ANYTHING based on MIB input.
 * migrate-pubring-from-classic-gpg - Migrate a public keyring from "classic" to "modern...
 * migrate_pages - move all pages in a process to another set of nodes
 * mime.types - mime type description file for cups
 * mincore - determine whether pages are resident in memory
 * minfo - print the parameters of a MSDOS filesystem
 * minor - manage a device number
 * mintsources - Software Sources List editor
 * mintstick - gui only application to write .img and .iso files to USB keys
 * mintupdate - The Linux Mint Update Manager
 * mintupdate-cli - The Linux Mint Update Manager command line interface.
 * mintupdate-launcher - Linux Mint Update Manager launcher
 * mispipe - pipe two commands, returning the exit status of the first
 * mk_modmap - translate a Linux keytable file into an xmodmap file
 * mkdir - make directories
 * mkdir - create a directory
 * mkdirat - create a directory
 * mkdtemp - create a unique temporary directory
 * mke2fs.conf - Configuration file for mke2fs
 * mkexfatfs - create an exFAT file system
 * mkfatimage16 - generate a virtual drive image suitable for DOSEMU
 * mkfontdir - create an index of X font files in a directory
 * mkfontscale - create an index of scalable font files for X
 * mkfs - build a Linux filesystem
 * mkfs.bfs - make an SCO bfs filesystem
 * mkfs.cramfs - make compressed ROM file system
 * mkfs.hfsplus - construct a new HFS Plus file system
 * mkfs.jfs - create a JFS formatted partition
 * mkfs.ntfs - create an NTFS file system
 * mkfs.reiserfs - The create tool for the Linux ReiserFS filesystem.
 * mkhomedir_helper - Helper binary that creates home directories
 * mkinitramfs - low-level tool for generating an initramfs image
 * mkisofs - create ISO9660/Joliet/HFS filesystem with optional Rock Ridge attr...
 * mklost+found - create a lost+found directory on a mounted Linux second extended f...
 * mkmanifest - makes list of file names and their DOS 8+3 equivalent
 * mkntfs - create an NTFS file system
 * mkreiserfs - The create tool for the Linux ReiserFS filesystem.
 * mktemp - create a temporary file or directory
 * mktime - transform date and time to broken-down time or ASCII
 * mkzftree - Create a zisofs/RockRidge compressed file tree
 * mmap - map or unmap files or devices into memory
 * mmap2 - map files or devices into memory
 * mmap64 - map or unmap files or devices into memory
 * mmcli - Control and monitor the ModemManager
 * mmd - make an MSDOS subdirectory
 * mmove - move or rename an MSDOS file or subdirectory
 * modesetting - video driver for framebuffer device
 * modf - extract signed integral and fractional values from floating-point ...
 * modff - extract signed integral and fractional values from floating-point ...
 * modfl - extract signed integral and fractional values from floating-point ...
 * modinfo - Show information about a Linux Kernel module
 * modprobe - Add and remove modules from the Linux Kernel
 * modprobe.d - Configuration directory for modprobe
 * Module::Implementation (3pm)- Loads one of several alternate underlying implementations ...
 * Module::Runtime (3pm)- runtime module handling
 * modules - kernel modules to load at boot time
 * modules-load.d - Configure kernel modules to load at boot
 * modules.dep - Module dependency information
 * modules.dep.bin - Module dependency information
 * mogrify - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mogrify-im6 - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mogrify-im6.q16 - resize an image, blur, crop, despeckle, dither, draw on, flip, joi...
 * mojo (1p) - The Mojolicious command system
 * Mojo::Asset (3pm) - HTTP content storage base class
 * Mojo::Asset::File (3pm)- File storage for HTTP content
 * Mojo::Asset::Memory (3pm)- In-memory storage for HTTP content
 * Mojo::Collection (3pm)- Collection
 * Mojo::Content::MultiPart (3pm)- HTTP multipart content
 * Mojo::DOM (3pm) - Minimalistic HTML/XML DOM parser with CSS selectors
 * Mojo::DOM::CSS (3pm)- CSS selector engine
 * Mojo::Exception (3pm)- Exception base class
 * Mojo::IOLoop::Client (3pm)- Non-blocking TCP/IP and UNIX domain socket client
 * Mojo::IOLoop::Server (3pm)- Non-blocking TCP and UNIX domain socket server
 * Mojo::IOLoop::TLS (3pm)- Non-blocking TLS handshake
 * Mojo::Loader (3pm) - Load all kinds of things
 * Mojo::Log (3pm) - Simple logger
 * Mojo::Reactor (3pm) - Low-level event reactor base class
 * Mojo::Reactor::EV (3pm)- Low-level event reactor with libev support
 * Mojo::Reactor::Poll (3pm)- Low-level event reactor with poll support
 * Mojo::Server (3pm) - HTTP/WebSocket server base class
 * Mojo::Server::Daemon (3pm)- Non-blocking I/O HTTP and WebSocket server
 * Mojo::Server::Hypnotoad (3pm)- A production web serv...ALL GLORY TO THE HYPNOTOAD!
 * Mojo::Server::Prefork (3pm)- Pre-forking non-blocking I/O HTTP and WebSocket server
 * Mojo::Transaction (3pm)- Transaction base class
 * Mojo::Transaction::HTTP (3pm)- HTTP transaction
 * Mojo::Transaction::WebSocket (3pm)- WebSocket transaction
 * Mojo::URL (3pm) - Uniform Resource Locator
 * Mojo::UserAgent (3pm)- Non-blocking I/O HTTP and WebSocket user agent
 * Mojo::UserAgent::Server (3pm)- Application server
 * Mojo::UserAgent::Transactor (3pm)- User agent transactor
 * Mojo::Util (3pm) - Portable utility functions
 * Mojo::WebSocket (3pm)- The WebSocket protocol
 * Mojolicious (3pm) - Real-time web framework
 * Mojolicious::Command::Author::generate (3pm)- Generator command
 * Mojolicious::Command::Author::generate::app (3pm)- App generator command
 * Mojolicious::Command::Author::generate::lit... (3pm)- Lite app generator command
 * Mojolicious::Command::Author::generate::mak... (3pm)- Makefile generator command
 * Mojolicious::Command::Author::generate::plugin (3pm)- Plugin generator command
 * Mojolicious::Guides (3pm)- The Mojolicious Guide to the Galaxy
 * Mojolicious::Guides::Contributing (3pm)- Contributing to Mojolicious
 * Mojolicious::Guides::Cookbook (3pm)- Cooking with Mojolicious
 * Mojolicious::Guides::FAQ (3pm)- Frequently Asked Questions
 * Mojolicious::Guides::Growing (3pm)- Growing Mojolicious applications
 * Mojolicious::Guides::Routing (3pm)- Routing requests
 * Mojolicious::Guides::Testing (3pm)- Web Application Testing Made Easy
 * Mojolicious::Guides::Tutorial (3pm)- Get started with Mojolicious
 * Mojolicious::Lite (3pm)- Micro real-time web framework
 * Mojolicious::Plugin::Config (3pm)- Perl-ish configuration plugin
 * Mojolicious::Plugin::DefaultHelpers (3pm)- Default helpers plugin
 * Mojolicious::Plugin::HeaderCondition (3pm)- Header condition plugin
 * Mojolicious::Plugin::JSONConfig (3pm)- JSON configuration plugin
 * Mojolicious::Plugin::Mount (3pm)- Application mount plugin
 * Mojolicious::Routes (3pm)- Always find your destination with routes
 * Mojolicious::Sessions (3pm)- Session manager based on signed cookies
 * Mojolicious::Validator (3pm)- Validate values
 * Mojolicious::Validator::Validation (3pm)- Perform validations
 * mono - Mono's ECMA-CLI native code generator (Just-in-Time and Ahead-of-T...
 * mono-config - Mono runtime file format configuration
 * montage - create a composite image by combining several separate images. The...
 * montage-im6 - create a composite image by combining several separate images. The...
 * montage-im6.q16 - create a composite image by combining several separate images. The...
 * Moo (3pm) - Minimalist Object Orientation (with Moose compatibility)
 * Moo::Role (3pm) - Minimal Object Orientation support for Roles
 * morbo (1p) - Morbo HTTP and WebSocket development server
 * more - file perusal filter for crt viewing
 * motd - message of the day
 * mount.cifs - mount using the Common Internet File System (CIFS)
 * mount.ecryptfs - eCryptfs mount helper.
 * mount.ecryptfs_private - eCryptfs private mount helper.
 * mount.fuse - format and options for the fuse file systems
 * mount.lowntfs-3g - Third Generation Read/Write NTFS Driver
 * mount.ntfs - Third Generation Read/Write NTFS Driver
 * mount.ntfs-3g - Third Generation Read/Write NTFS Driver
 * mountpoint - see if a directory or file is a mountpoint
 * mousetweaks - Accessibility enhancements for pointing devices
 * move_pages - move individual pages of a process to another node
 * mpartition - partition an MSDOS hard disk
 * mpris-proxy - Bluetooth mpris-proxy
 * mprobe - heap consistency checking
 * mprotect - set protection on a region of memory
 * mq_close - close a message queue descriptor
 * mq_notify - register for notification when a message is available
 * mq_notify - register for notification when a message is available
 * mq_send - send a message to a message queue
 * mq_timedreceive - receive a message from a message queue
 * mq_timedreceive - receive a message from a message queue
 * mq_timedsend - send a message to a message queue
 * mq_timedsend - send a message to a message queue
 * mrand48 - generate uniformly distributed pseudo-random numbers
 * mrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * mrd - remove an MSDOS subdirectory
 * mremap - remap a virtual memory address
 * mren - rename an existing MSDOS file
 * mscompress - compress data using LZ77 algorithm
 * msexpand - decompress data compressed using mscompress or COMPRESS.EXE
 * msgattrib - attribute matching and manipulation on message catalog
 * msgcat - combines several message catalogs
 * msgctl - System V message control operations
 * msgexec - process translations of message catalog
 * msgfilter - edit translations of message catalog
 * msgop - System V message queue operations
 * msgrcv - System V message queue operations
 * msgsnd - System V message queue operations
 * msguniq - unify duplicate translations in message catalog
 * msiexec - Wine MSI Installer
 * msiexec-stable - Wine MSI Installer
 * msr - x86 CPU MSR access device
 * msync - synchronize a file with a memory map
 * mt - control magnetic tape drive operation
 * mt-gnu - control magnetic tape drive operation
 * mtools - utilities to access DOS disks in Unix.
 * mtools - mtools configuration files
 * mtools.conf - mtools configuration files
 * mtools.tmpl - utilities to access DOS disks in Unix.
 * mtoolstest - tests and displays the configuration
 * mtp-albumart - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-albums - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-connect - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-delfile - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-detect - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-emptyfolders - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-files - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-filetree - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-folders - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-format - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-getfile - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-getplaylist - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-hotplug - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-newfolder - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-newplaylist - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-playlists - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-reset - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-sendfile - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-sendtr - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-thumb - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-tools - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-tracks - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtp-trexist - tools for communicating with Media Transfer Protocol (MTP) devices
 * mtr-packet - send and receive network probes
 * mtrace - interpret the malloc trace log
 * mtvtoppm - convert output from the MTV or PRT ray tracers into a portable pixmap
 * mtype - display contents of an MSDOS file
 * muffin - Clutter based compositing GTK2 Window Manager
 * muffin-message - a command to send a message to Muffin
 * muffin-theme-viewer - view muffin themes
 * muffin-window-demo - demo of window features
 * munmap - map or unmap files or devices into memory
 * MusicBrainz::DiscID (3pm)- Perl interface for the MusicBrainz libdiscid library
 * mxtar - Wrapper for using GNU tar directly from a floppy disk
 * myisam_ftdump - display full-text index information
 * mysql - the MySQL command-line client
 * mysql_config_editor - configure authentication information for connecting to MySQL se...
 * mysqladmin - a MySQL server administration program
 * mysqldumpslow - Summarize slow query log files
 * mysqlshow - display database, table, and column information
 * mysqlslap - a load emulation client
 * mzip - change protection mode and eject disk on Zip/Jaz drive
 * nameif - name network interfaces based on MAC addresses
 * namespace.conf - the namespace configuration file
 * namespace::clean (3pm)- Keep imports and functions out of your namespace
 * nano - Nano's ANOther editor, inspired by Pico
 * nanorc - GNU nano's configuration file
 * nanosleep - high-resolution sleep
 * nawk - pattern scanning and processing language
 * nc - arbitrary TCP and UDP connections and listens
 * nc.openbsd - arbitrary TCP and UDP connections and listens
 * nc_openbsd - arbitrary TCP and UDP connections and listens
 * ncal - displays a calendar and the date of Easter
 * nearbyint - round to nearest integer
 * nearbyintf - round to nearest integer
 * nearbyintl - round to nearest integer
 * neato - filter for drawing undirected graphs
 * nemo - the Cinnamon File Manager
 * neofetch - A fast, highly customizable system info script
 * neotoppm - convert an Atari Neochrome .neo into a portable pixmap
 * neqn - format equations for ASCII output
 * net - Tool for administration of Samba and remote CIFS servers.
 * Net::DBus (3pm) - Perl extension for the DBus message system
 * Net::DBus::Annotation (3pm)- annotations for changing behaviour of APIs
 * Net::DBus::BaseObject (3pm)- base class for exporting objects to the bus
 * Net::DBus::Binding::Connection (3pm)- A connection between client and server
 * Net::DBus::Binding::Introspector (3pm)- Handler for object introspection data
 * Net::DBus::Binding::Iterator (3pm)- Reading and writing message parameters
 * Net::DBus::Binding::Server (3pm)- A server to accept incoming connections
 * Net::DBus::Binding::Watch (3pm)- binding to the dbus watch API
 * Net::DBus::Callback (3pm)- a callback for receiving reactor events
 * Net::DBus::Dumper (3pm)- Stringify Net::DBus objects suitable for printing
 * Net::DBus::Error (3pm)- Error details for remote method invocation
 * Net::DBus::Exporter (3pm)- Export object methods and signals to the bus
 * Net::DBus::Object (3pm)- Implement objects to export to the bus
 * Net::DBus::ProxyObject (3pm)- Implement objects to export to the bus
 * Net::DBus::Reactor (3pm)- application event loop
 * Net::DBus::RemoteObject (3pm)- Access objects provided on the bus
 * Net::DBus::RemoteService (3pm)- Access services provided on the bus
 * Net::DBus::Service (3pm)- Provide a service to the bus for clients to use
 * Net::DBus::Test::MockConnection (3pm)- Fake a connection to the bus unit testing
 * Net::DBus::Test::MockIterator (3pm)- Iterator over a mock message
 * Net::DBus::Test::MockMessage (3pm)- Fake a message object when unit testing
 * Net::DBus::Test::MockObject (3pm)- Fake an object from the bus for unit testing
 * Net::DBus::Tutorial (3pm)- tutorials on the Perl DBus APIs
 * Net::DBus::Tutorial::ExportingObjects (3pm)- tutorials on providing a DBus service
 * Net::DBus::Tutorial::UsingObjects (3pm)- tutorial on accessing a DBus service
 * Net::DNS (3pm) - Perl Interface to the Domain Name System
 * Net::DNS::DomainName (3pm)- DNS name representation
 * Net::DNS::FAQ (3pm) - Frequently Asked Net::DNS Questions
 * Net::DNS::Mailbox (3pm)- DNS mailbox representation
 * Net::DNS::Question (3pm)- DNS question record
 * Net::DNS::RR::AFSDB (3pm)- DNS AFSDB resource record
 * Net::DNS::RR::IPSECKEY (3pm)- DNS IPSECKEY resource record
 * Net::DNS::RR::NSEC (3pm)- DNS NSEC resource record
 * Net::DNS::RR::NSEC3 (3pm)- DNS NSEC3 resource record
 * Net::DNS::RR::NSEC3PARAM (3pm)- DNS NSEC3PARAM resource record
 * Net::DNS::RR::SMIMEA (3pm)- DNS SMIMEA resource record
 * Net::DNS::RR::SSHFP (3pm)- DNS SSHFP resource record
 * Net::DNS::RR::TKEY (3pm)- DNS TKEY resource record
 * Net::DNS::Text (3pm)- DNS text representation
 * Net::Domain::TLD (3pm)- Work with TLD names
 * Net::HTTP (3pm) - Low-level HTTP connection (client)
 * Net::HTTPS (3pm) - Low-level HTTP over SSL/TLS connection (client)
 * Net::IP (3pm) - Perl extension for manipulating IPv4/IPv6 addresses
 * Net::SMTP::SSL (3pm)- SSL support for Net::SMTP
 * Net::SSLeay (3pm) - Perl extension for using OpenSSL
 * Net::SSLeay::Handle (3pm)- Perl module that lets SSL (HTTPS) sockets be handled as stand...
 * netcat - arbitrary TCP and UDP connections and listens
 * netdevice - low-level access to Linux network devices
 * netkit-ftp - Internet file transfer program
 * netkit-netrc - user configuration for ftp
 * netlink - communication between kernel and user space (AF_NETLINK)
 * netpbm - package of graphics manipulation programs and libraries
 * netplan - YAML network configuration abstraction for various backends
 * netplan-apply - apply configuration from netplan YAML files to a running system
 * netplan-generate - generate backend configuration from netplan YAML files
 * netplan-try - try a configuration, optionally rolling it back
 * netrc - user configuration for ftp
 * netscsid - write data to optical disk media
 * netstat - Print network connections, routing tables, interface statistics, m...
 * networkctl - Query the status of network links
 * networkd-dispatcher - Dispatcher service for systemd-networkd connection status changes
 * networkd.conf - Global Network configuration files
 * networkd.conf.d - Global Network configuration files
 * NetworkManager.conf - NetworkManager configuration file
 * networks - network name information
 * newaliases - Postfix to Sendmail compatibility interface
 * newlocale - create, modify, and free a locale object
 * nextafter - floating-point number manipulation
 * nextafterf - floating-point number manipulation
 * nextafterl - floating-point number manipulation
 * nextdown - return next floating-point number toward positive/negative infinity
 * nextdownf - return next floating-point number toward positive/negative infinity
 * nextdownl - return next floating-point number toward positive/negative infinity
 * nexttoward - floating-point number manipulation
 * nexttowardf - floating-point number manipulation
 * nexttowardl - floating-point number manipulation
 * nextup - return next floating-point number toward positive/negative infinity
 * nextupf - return next floating-point number toward positive/negative infinity
 * nextupl - return next floating-point number toward positive/negative infinity
 * nfsservctl - syscall interface to kernel nfs daemon
 * nftw - file tree walk
 * ngettext - translate message and choose plural form
 * ngettext - translate message and choose plural form
 * nice - run a program with modified scheduling priority
 * nisdomainname - show or set the system's NIS/YP domain name
 * nisplus_table - Postfix NIS+ client
 * nl_langinfo - query language and locale information
 * nl_langinfo_l - query language and locale information
 * nm-applet - network monitor and control GUI applet
 * nm-connection-editor - network connection editor for NetworkManager
 * nm-initrd-generator - early boot NetworkManager configuration generator
 * nm-online - ask NetworkManager whether the network is connected
 * nm-settings - Description of settings and properties of NetworkManager connectio...
 * nm-settings-keyfile - Description of keyfile settings plugin
 * nm-system-settings.conf - NetworkManager configuration file
 * nmblookup - NetBIOS over TCP/IP client used to lookup NetBIOS names
 * nohup - run a command immune to hangups, with output to a non-tty
 * nologin - prevent unprivileged users from logging into the system
 * nosetests3 - Nicer testing for Python
 * notifier - cups notification interface
 * notify-send - a program to send desktop notifications
 * nproc - print the number of processing units available
 * nrand48 - generate uniformly distributed pseudo-random numbers
 * nrand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * nroff - use groff to format documents for TTY devices
 * nsenter - run program with namespaces of other processes
 * nseq (1ssl) - create or examine a Netscape certificate sequence
 * nslookup - query Internet name servers interactively
 * nss - Name Service Switch configuration file
 * nss-myhostname - Provide hostname resolution for the locally configured system host...
 * nss-systemd - Provide UNIX user and group name resolution for user/group lookup ...
 * nsswitch.conf - Name Service Switch configuration file
 * nsupdate - Dynamic DNS update utility
 * ntfs-3g - Third Generation Read/Write NTFS Driver
 * ntfs-3g.probe - Probe an NTFS volume mountability
 * ntfscat - print NTFS files and streams on the standard output
 * ntfsclone - Efficiently clone, image, restore or rescue an NTFS
 * ntfscluster - identify files in a specified region of an NTFS volume.
 * ntfscmp - compare two NTFS filesystems and tell the differences
 * ntfscp - copy file to an NTFS volume.
 * ntfsdecrypt - decrypt or update NTFS files encrypted according to EFS
 * ntfsfallocate - preallocate space to a file on an NTFS volume
 * ntfsfix - fix common errors and force Windows to check NTFS
 * ntfsinfo - dump a file's attributes
 * ntfslabel - display/change the label on an ntfs file system
 * ntfsls - list directory contents on an NTFS filesystem
 * ntfsprogs - tools for doing neat things with NTFS
 * ntfsrecover - Recover updates committed by Windows on an NTFS volume
 * ntfsresize - resize an NTFS filesystem without data loss
 * ntfssecaudit - NTFS Security Data Auditing
 * ntfstruncate - truncate a file on an NTFS volume
 * ntfsundelete - recover a deleted file from an NTFS volume.
 * ntfsusermap - NTFS Building a User Mapping File
 * ntfswipe - overwrite unused space on an NTFS volume
 * ntp_adjtime - tune kernel clock
 * ntp_gettime - get time parameters (NTP daemon interface)
 * ntp_gettimex - get time parameters (NTP daemon interface)
 * numa - overview of Non-Uniform Memory Architecture
 * numa_maps - overview of Non-Uniform Memory Architecture
 * nvlc - the VLC media player
 * obexctl - A command-line interface of BlueZ for OBEX (file transfer)
 * objcopy - copy and translate object files
 * objdump - display information from object files
 * od - dump files in octal and other formats
 * offsetof - offset of a structure member
 * ogg123 - plays Ogg Vorbis files
 * oggdec - simple decoder, Ogg Vorbis file to PCM audio file (Wave or RAW).
 * oggenc - encode audio into the Ogg Vorbis format
 * ogginfo - gives information about Ogg files, and does extensive validity che...
 * ojo (3pm) - Fun one-liners with Mojo
 * oldolduname - get name and information about current kernel
 * olduname - get name and information about current kernel
 * on_ac_power - test whether computer is running on AC power
 * on_exit - register a function to be called at normal process termination
 * onboard - On-screen Keyboard
 * onboard-settings - On-screen Keyboard (configuration dialog)
 * opendir - open a directory
 * openlog - send messages to the system logger
 * openproc - initialize process information from /proc/
 * openpty - terminal utility functions
 * openssl (1ssl) - OpenSSL command line tool
 * openssl-asn1parse (1ssl)- ASN.1 parsing tool
 * openssl-c_rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-ca (1ssl) - sample minimal CA application
 * openssl-ciphers (1ssl)- SSL cipher display and cipher list tool
 * openssl-cms (1ssl) - CMS utility
 * openssl-crl (1ssl) - CRL utility
 * openssl-crl2pkcs7 (1ssl)- Create a PKCS#7 structure from a CRL and certificates
 * openssl-dgst (1ssl) - perform digest operations
 * openssl-dhparam (1ssl)- DH parameter manipulation and generation
 * openssl-dsa (1ssl) - DSA key processing
 * openssl-dsaparam (1ssl)- DSA parameter manipulation and generation
 * openssl-ec (1ssl) - EC key processing
 * openssl-ecparam (1ssl)- EC parameter manipulation and generation
 * openssl-enc (1ssl) - symmetric cipher routines
 * openssl-engine (1ssl)- load and query engines
 * openssl-errstr (1ssl)- lookup error codes
 * openssl-gendsa (1ssl)- generate a DSA private key from a set of parameters
 * openssl-genpkey (1ssl)- generate a private key
 * openssl-genrsa (1ssl)- generate an RSA private key
 * openssl-list (1ssl) - list algorithms and features
 * openssl-nseq (1ssl) - create or examine a Netscape certificate sequence
 * openssl-ocsp (1ssl) - Online Certificate Status Protocol utility
 * openssl-passwd (1ssl)- compute password hashes
 * openssl-pkcs12 (1ssl)- PKCS#12 file utility
 * openssl-pkcs7 (1ssl)- PKCS#7 utility
 * openssl-pkcs8 (1ssl)- PKCS#8 format private key conversion tool
 * openssl-pkey (1ssl) - public or private key processing tool
 * openssl-pkeyparam (1ssl)- public key algorithm parameter processing tool
 * openssl-pkeyutl (1ssl)- public key algorithm utility
 * openssl-prime (1ssl)- compute prime numbers
 * openssl-rand (1ssl) - generate pseudo-random bytes
 * openssl-rehash (1ssl)- Create symbolic links to files named by the hash values
 * openssl-req (1ssl) - PKCS#10 certificate request and certificate generating utility
 * openssl-rsa (1ssl) - RSA key processing tool
 * openssl-rsautl (1ssl)- RSA utility
 * openssl-s_client (1ssl)- SSL/TLS client program
 * openssl-s_server (1ssl)- SSL/TLS server program
 * openssl-s_time (1ssl)- SSL/TLS performance timing program
 * openssl-sess_id (1ssl)- SSL/TLS session handling utility
 * openssl-smime (1ssl)- S/MIME utility
 * openssl-speed (1ssl)- test library performance
 * openssl-spkac (1ssl)- SPKAC printing and generating utility
 * openssl-srp (1ssl) - maintain SRP password file
 * openssl-storeutl (1ssl)- STORE utility
 * openssl-ts (1ssl) - Time Stamping Authority tool (client/server)
 * openssl-tsget (1ssl)- Time Stamping HTTP/HTTPS client
 * openssl-verify (1ssl)- Utility to verify certificates
 * openssl-version (1ssl)- print OpenSSL version information
 * openssl-x509 (1ssl) - Certificate display and signing utility
 * openvpn - secure IP tunnel daemon.
 * openvt - start a program on a new virtual terminal (VT).
 * operator - C operator precedence and order of evaluation
 * optarg - Parse command-line options
 * opterr - Parse command-line options
 * optind - Parse command-line options
 * optopt - Parse command-line options
 * oqmgr (8postfix) - old Postfix queue manager
 * orca - a scriptable screen reader
 * ordchr (3am) - convert characters to strings and vice versa
 * org.debian.apt - the main interface of aptdaemon
 * org.debian.apt.transaction - the main interface of an aptdaemon transaction
 * os-release - Operating system identification
 * osage - filter for drawing clustered graphs
 * ossl_store (7ssl) - Store retrieval functions
 * ossl_store-file (7ssl)- The store 'file' scheme loader
 * outsl - port I/O
 * p11-kit - Tool for operating on configured PKCS#11 modules
 * p7zip - Wrapper on 7-Zip file archiver with high compression ratio
 * pack200 - Packages a JAR file into a compressed pack200 file for web deploym...
 * Package::Stash (3pm)- routines for manipulating stashes
 * Package::Stash::PP (3pm)- pure perl implementation of the Package::Stash API
 * packet - packet interface on device level
 * pacmd - Reconfigure a PulseAudio sound server during runtime
 * pam - Pluggable Authentication Modules for Linux
 * pam-auth-update - manage PAM configuration using packaged profiles
 * pam.conf - PAM configuration files
 * pam.d - PAM configuration files
 * pam_cifscreds - PAM module to manage NTLM credentials in kernel keyring
 * pam_debug - PAM module to debug the PAM stack
 * pam_deny - The locking-out PAM module
 * pam_echo - PAM module for printing text messages
 * pam_ecryptfs - PAM module for eCryptfs
 * pam_env.conf - the environment variables config files
 * pam_exec - PAM module which calls an external command
 * pam_extrausers - Module for libnss-extrausers authentication
 * pam_faildelay - Change the delay on failure per-application
 * pam_keyinit - Kernel session keyring initialiser module
 * pam_lastlog - PAM module to display date of last login and perform inactive acco...
 * pam_listfile - deny or allow services based on an arbitrary file
 * pam_loginuid - Record user's login uid to the process attribute
 * pam_mkhomedir - PAM module to create users home directory
 * pam_motd - Display the motd file
 * pam_permit - The promiscuous module
 * pam_pwhistory - PAM module to remember last passwords
 * pam_rhosts - The rhosts PAM module
 * pam_securetty - Limit root login to special devices
 * pam_selinux - PAM module to set the default security context
 * pam_systemd - Register user sessions in the systemd login manager
 * pam_tally - The login counter (tallying) module
 * pam_tally2 - The login counter (tallying) module
 * pam_time - PAM module for time control access
 * pam_timestamp - Authenticate using cached successful authentication attempts
 * pam_timestamp_check - Check to see if the default timestamp is valid
 * pam_tty_audit - Enable or disable TTY auditing for specified users
 * pam_umask - PAM module to set the file mode creation mask
 * pam_unix - Module for traditional password authentication
 * pam_userdb - PAM module to authenticate against a db database
 * pam_xauth - PAM module to forward xauth keys between users
 * pamcut - cut a rectangle out of a PAM, PBM, PGM, or PPM image
 * pamdeinterlace - remove ever other row from a PAM/PNM image
 * pamdice - slice a Netpbm image into many horizontally and/or vertically
 * pamfile - describe a Netpbm (PAM or PNM) file
 * pamoil - turn a PAM image into an oil painting
 * pamstack - stack planes of multiple PAM images into one PAM image
 * pamstretch - scale up a PNM or PAM image by interpolating between pixels
 * pamstretch-gen - use pamstretch and pnmscale to scale by non-integer values
 * Pango (3pm) - layout and render international text
 * Pango::AttrFontDesc (3pm)- Pango description of a font
 * Pango::AttrGravity (3pm)- Pango gravity attribute
 * Pango::AttrGravityHint (3pm)- Pango gravity hint attribute
 * Pango::AttrInt (3pm)- structure used to represent attributes with an integer value
 * Pango::AttrIterator (3pm)- used to represent iterators through Pango::AttrLists
 * Pango::AttrLanguage (3pm)- used to represent attributes that are languages
 * Pango::AttrList (3pm)- holds attributes that apply to a section of text
 * Pango::AttrRise (3pm)- Pango baseline displacement attribute
 * Pango::AttrScale (3pm)- Pango font size scale attribute
 * Pango::AttrString (3pm)- used to represent attributes with a string value
 * Pango::AttrStyle (3pm)- Pango font slant style attribute
 * Pango::Cairo (3pm) - Pango rendering with the Cairo backend
 * Pango::Cairo::Context (3pm)- Using Cairo contexts with pango
 * Pango::Cairo::FontMap (3pm)- Pango font maps with Cairo
 * Pango::Color (3pm) - an object to represent a color for Pango
 * Pango::Context (3pm)- Pango object that stores global information used to control the it...
 * Pango::Font (3pm) - a rendering-system independent font representation
 * Pango::FontDescription (3pm)- Pango object to represent a description of a font
 * Pango::FontFace (3pm)- object for Pango representing a group of fonts varying only in size
 * Pango::FontFamily (3pm)- Pango object representing a family of related font faces
 * Pango::FontMap (3pm)- an object that represents the set of fonts available for a particu...
 * Pango::FontMetrics (3pm)- object for Pango containing overall metric information for a font
 * Pango::Gravity (3pm)- represents the orientation of glyphs in a segment of text
 * Pango::Language (3pm)- an object that represents a language tag
 * Pango::Layout (3pm) - an object representing a paragraph of text with attributes
 * Pango::LayoutIter (3pm)- an object used to iterate over the visual extents of a Pango::L...
 * Pango::Matrix (3pm) - A structure specifying a transformation between user-space coordin...
 * Pango::Script (3pm) - identifies different writing systems
 * Pango::ScriptIter (3pm)- used to break a string of Unicode into runs by text
 * Pango::TabArray (3pm)- an object containing an array of tab stops
 * Pango::version (3pm)- get and check the version of Pango that this was compiled against
 * paperconf - print paper configuration information
 * paperconfig - configure the system default paper size
 * par - filter for reformatting paragraphs
 * Params::Classify (3pm)- argument type classification
 * parted - a partition manipulation program
 * partprobe - inform the OS of partition table changes
 * partx - tell the kernel about the presence and numbering of on-disk partit...
 * passphrase-encoding (7ssl)- How diverse parts of OpenSSL treat pass phrases character en...
 * passwd - the password file
 * passwd2des - RFS password encryption
 * patchwork - filter for drawing clustered graphs as treemaps
 * Path::Tiny (3pm) - File path utility
 * path_resolution - how a pathname is resolved to a file
 * pathchk - check whether file names are valid or portable
 * pathconf - get configuration values for files
 * pbmclean - flip isolated pixels in portable bitmap
 * pbmfilters - list of all programs in the netpbm package
 * pbmpage - create a one page test pattern for printing
 * pbmpscale - enlarge a portable bitmap with edge smoothing
 * pbmreduce - read a portable bitmap and reduce it N times
 * pbmtextps - render text into a bitmap via postscript
 * pbmtoascii - convert a portable bitmap into ASCII graphics
 * pbmtoatk - convert portable bitmap to Andrew Toolkit raster object
 * pbmtoepsi - convert a portable bitmap into an encapsulated PostScript style pr...
 * pbmtogo - convert a portable bitmap into compressed GraphOn graphics
 * pbmtonokia - convert a portable bitmap to Nokia Smart Messaging Formats
 * pbmtopgm - convert portable bitmap to portable graymap by averaging areas
 * pbmtopi3 - convert a portable bitmap into an Atari Degas .pi3 file
 * pbmtoppa - convert PBM image to HP Printer Performance Architecture (PPA)
 * pbmtopsg3 - convert PBM images to Postscript with G3 fax compression
 * pbmtowbmp - convert a portable bitmap to a wireless bitmap (wbmp) file
 * pbmtox10bm - convert a portable bitmap into an X10 bitmap
 * pbmtoxbm - convert a portable bitmap into an X11 bitmap
 * pciconfig_iobase - pci device information handling
 * pciconfig_read - pci device information handling
 * pciconfig_write - pci device information handling
 * pcilib - a library for accessing PCI devices
 * pcxtoppm - convert a PCX file into a portable pixmap
 * pdb2 - the Python debugger
 * pdb2.7 - the Python debugger
 * pdb3 - the Python debugger
 * pdb3.8 - the Python debugger
 * pdf2dsc - generate a PostScript page list of a PDF document
 * pdf2ps - Ghostscript PDF to PostScript translator
 * pdfattach - Portable Document Format (PDF) document embedded file creator (ver...
 * pdfdetach - Portable Document Format (PDF) document embedded file extractor (v...
 * pdfimages - Portable Document Format (PDF) image extractor (version 3.03)
 * pdfinfo - Portable Document Format (PDF) document information extractor (ver...
 * pdfseparate - Portable Document Format (PDF) page extractor
 * pdfsig - Portable Document Format (PDF) digital signatures tool
 * pdftocairo - Portable Document Format (PDF) to PNG/JPEG/TIFF/PDF/PS/EPS/SVG usi...
 * pdftoppm - Portable Document Format (PDF) to Portable Pixmap (PPM) converter ...
 * pdftops - Portable Document Format (PDF) to PostScript converter (version 3.03)
 * peekfd - peek at file descriptors of running processes
 * perf_event_open - set up performance monitoring
 * perfmonctl - interface to IA-64 performance monitoring unit
 * perl - The Perl 5 language interpreter
 * perl5.30-i386-linux-gnu - The Perl 5 language interpreter
 * perl5.30-x86_64-linux-gnu - The Perl 5 language interpreter
 * perl5.30.0 - The Perl 5 language interpreter
 * PerlIO::gzip (3pm) - Perl extension to provide a PerlIO layer to gzip/gunzip
 * perlivp - Perl Installation Verification Procedure
 * perlsh (1p) - one-line perl evaluator with line editing function and variable na...
 * personality - set the process execution domain
 * pf2afm - Make an AFM file from Postscript (PFB/PFA/PFM) font files using gh...
 * pfbtopfa - Convert Postscript .pfb fonts to .pfa format using ghostscript
 * pftp - Internet file transfer program
 * pgmbentley - Bentleyize a portable graymap
 * pgmhist - print a histogram of the values in a portable graymap
 * pgmkernel - generate a convolution kernel
 * pgmnorm - normalize the contrast in a Netbpm image
 * pgmoil - turn a PAM image into an oil painting
 * pgmramp - generate a grayscale ramp
 * pgmslice - extract one line of pixel values out of a portable graymap
 * pgmtexture - calculate textural features on a portable graymap
 * pgmtofs - convert portable graymap to Usenix FaceSaver(tm) format
 * pgmtoppm - colorize a portable graymap into a portable pixmap
 * pgrep - look up or signal processes based on name and other attributes
 * pi1toppm - convert an Atari Degas .pi1 into a portable pixmap
 * pi3topbm - convert an Atari Degas .pi3 file into a portable bitmap
 * pic - compile pictures for troff or TeX
 * pickup (8postfix) - Postfix local mail pickup
 * pico - Nano's ANOther editor, inspired by Pico
 * pidfd_open - obtain a file descriptor that refers to a process
 * pidfd_send_signal - send a signal to a process specified by a file descriptor
 * pidof - find the process ID of a running program.
 * ping - send ICMP ECHO_REQUEST to network hosts
 * ping4 - send ICMP ECHO_REQUEST to network hosts
 * ping6 - send ICMP ECHO_REQUEST to network hosts
 * pinta - simple image editor
 * pipe (8postfix) - Postfix delivery to external command
 * pivot_root - change the root mount
 * pivot_root - change the root filesystem
 * pjtoppm - convert an HP PaintJet file to a portable pixmap
 * pkaction - Get details about a registered action
 * pkcheck - Check whether a process is authorized
 * pkcs11.conf - Configuration files for PKCS#11 modules
 * pkexec - Execute a command as another user
 * pkey_alloc - allocate or free a protection key
 * pkey_free - allocate or free a protection key
 * pkey_mprotect - set protection on a region of memory
 * pkeys - overview of Memory Protection Keys
 * pkg-config - Return metainformation about installed libraries
 * pkill - look up or signal processes based on name and other attributes
 * pkttyagent - Textual authentication helper
 * pl2pm - Rough tool to translate Perl4 .pl files to Perl5 .pm modules.
 * pldd - display dynamic shared objects linked into a process
 * plipconfig - fine tune PLIP device parameters
 * plog - starts up, shuts down or lists the log of PPP connections
 * plymouth - Send commands to plymouthd
 * plymouthd - The plymouth daemon
 * pm-action - Suspend or Hibernate your computer
 * pm-is-supported - Test whether suspend or hibernate is supported.
 * pmap_getmaps - library routines for remote procedure calls
 * pmap_getport - library routines for remote procedure calls
 * pmap_rmtcall - library routines for remote procedure calls
 * pmap_set - library routines for remote procedure calls
 * pmap_unset - library routines for remote procedure calls
 * pnmcolormap - create quantization color map for a portable anymap
 * pnmcomp - composite (overlay) two portable anymap files together
 * pnmconvol - general MxN convolution on a portable anymap
 * pnmcut - cut a rectangle out of a portable anymap
 * pnmdepth - change the maxval in a portable anymap
 * pnmenlarge - read a portable anymap and enlarge it N times
 * pnmfile - describe a portable anymap
 * pnmflip - perform one or more flip operations on a portable anymap
 * pnmgamma - perform gamma correction on a portable anymap
 * pnmindex - build a visual index of a bunch of anymaps
 * pnminterp - scale up a PNM or PAM image by interpolating between pixels
 * pnminterp-gen - use pamstretch and pnmscale to scale by non-integer values
 * pnmnlfilt - non-linear filters: smooth, alpha trim mean, optimal estimation sm...
 * pnmnoraw - convert portable any map to plain (ASCII) anymap format
 * pnmnorm - normalize the contrast in a Netbpm image
 * pnmpaste - paste a rectangle into a portable anymap
 * pnmpsnr - compute the difference between two portable anymaps
 * pnmquant - quantize the colors in a Netpbm image to a smaller set
 * pnmremap - replace colors in a PPM image with colors from another set
 * pnmscale - scale a portable anymap
 * pnmscalefixed - scale a portable anymap quickly, but less accurate
 * pnmsmooth - smooth out an image
 * pnmsplit - split a multi-image portable anymap into multiple single-image files
 * pnmtofiasco - Convert a portable anymap to FIASCO compressed file
 * pnmtopalm - convert a portable anymap into a Palm pixmap
 * pnmtoplainpnm - convert portable any map to plain (ASCII) anymap format
 * pnmtops - convert portable anymap to PostScript
 * pnmtorast - convert a portable pixmap into a Sun rasterfile
 * pnmtorle - convert a Netpbm image file into an RLE image file.
 * pnmtoxwd - convert a portable anymap into an X11 window dump
 * po-debconf - introduction
 * pod2text - Convert POD data to formatted ASCII text
 * podchecker - check the syntax of POD format documentation files
 * podebconf-display-po - display content of a PO file in a debconf interface
 * podebconf-report-po - send outdated debconf PO files to the last translators
 * podselect - print selected sections of pod documentation on standard output
 * poff - starts up, shuts down or lists the log of PPP connections
 * polkit - Authorization Framework
 * poll - wait for some event on a file descriptor
 * pon - starts up, shuts down or lists the log of PPP connections
 * posix_fadvise - predeclare an access pattern for file data
 * posix_madvise - give advice about patterns of memory usage
 * posix_openpt - open a pseudoterminal device
 * posixoptions - optional parts of the POSIX standard
 * POST (1p) - Simple command line user agent
 * postalias - Postfix alias database maintenance
 * postcat - show Postfix queue file contents
 * postconf - Postfix configuration utility
 * postconf - Postfix configuration parameters
 * postdrop - Postfix mail posting utility
 * postfix - Postfix control program
 * postfix-add-filter - add filter service to Postfix master.cf
 * postfix-add-policy - add policy service to Postfix master.cf
 * postfix-tls - Postfix TLS management
 * postfix-wrapper - Postfix multi-instance API
 * postkick - kick a Postfix service
 * postlock - lock mail folder and execute command
 * postlog - Postfix-compatible logging utility
 * postlogd (8postfix) - Postfix internal log server
 * postmap - Postfix lookup table management
 * postmulti - Postfix multi-instance manager
 * postqueue - Postfix queue control
 * postscreen (8postfix)- Postfix zombie blocker
 * postsuper - Postfix superintendent
 * posttls-finger - Probe the TLS properties of an ESMTP or LMTP server.
 * pow - power functions
 * pow10 - base-10 power functions
 * pow10f - base-10 power functions
 * pow10l - base-10 power functions
 * poweroff - Halt, power-off or reboot the machine
 * powf - power functions
 * powl - power functions
 * ppdhtml - cups html summary generator (deprecated)
 * ppdpo - ppd message catalog generator (deprecated)
 * ppmbrighten - change an images Saturation and Value from an HSV map
 * ppmchange - change all pixels of one color to another in a portable pixmap
 * ppmdist - simplistic grayscale assignment for machine generated, color images
 * ppmdither - ordered dither for color images
 * ppmfade - generate a transition between two image files using special effects.
 * ppmflash - brighten a picture up to complete white-out
 * ppmforge - fractal forgeries of clouds, planets, and starry skies
 * ppmmix - blend together two portable pixmaps
 * ppmnorm - normalize the contrast in a Netbpm image
 * ppmntsc - make a portable pixmap look like taken from an American TV
 * ppmquant - quantize the colors in a portable pixmap down to a specified number
 * ppmquantall - run ppmquant on a bunch of files all at once, so they share a comm...
 * ppmqvga - 8 plane quantization
 * ppmspread - displace a portable pixmap's pixels by a random amount
 * ppmtoacad - convert portable pixmap to AutoCAD database or slide
 * ppmtoilbm - convert a portable pixmap into an ILBM file
 * ppmtoneo - convert a portable pixmap into an Atari Neochrome .neo file
 * ppmtopi1 - convert a portable pixmap into an Atari Degas .pi1 file
 * ppmtorgb3 - separate a portable pixmap into three portable graymaps
 * ppmtosixel - convert a portable pixmap into DEC sixel format
 * ppmtotga - convert portable pixmap into a TrueVision Targa file
 * ppmtouil - convert a portable pixmap into a Motif UIL icon file
 * ppmtoxpm - convert a portable pixmap into an X11 pixmap
 * ppmtoyuvsplit - convert a portable pixmap into 3 subsampled raw YUV files
 * ppoll - wait for some event on a file descriptor
 * pppconfig - configure pppd to connect to the Internet
 * pppd-radius - RADIUS authentication plugin for pppd
 * pppoe-discovery - perform PPPoE discovery
 * pppoeconf - configures a PPPoE (ADSL) connection
 * pptpsetup - Point-to-Point Tunneling Protocol setup
 * pr - convert text files for printing
 * prctl - operations on a process
 * pread - read from or write to a file descriptor at a given offset
 * pread64 - read from or write to a file descriptor at a given offset
 * precat - prefix delta compressor for Aspell
 * precedence - C operator precedence and order of evaluation
 * preconv - convert encoding of input files to something GNU troff understands
 * preunzip - prefix delta compressor for Aspell
 * prezip - prefix delta compressor for Aspell
 * prezip-bin - prefix zip delta word list compressor/decompressor
 * print - execute programs via entries in the mailcap file
 * printafm - Print the metrics from a Postscript font in AFM format using ghost...
 * printers.conf - printer configuration file for cups
 * printf - format and print data
 * printf - formatted output conversion
 * proc - process information pseudo-filesystem
 * process_vm_readv - transfer data between process address spaces
 * process_vm_writev - transfer data between process address spaces
 * procfs - process information pseudo-filesystem
 * procps - report a snapshot of the current processes.
 * profil - execution time profile
 * program_invocation_name - obtain name used to invoke calling program
 * program_invocation_short_name - obtain name used to invoke calling program
 * projects - persistent project root definition
 * projid - the project name mapping file
 * protocols - protocols definition file
 * proxy - Display the proxy server that should be used to reach a given a ne...
 * proxy-certificates (7ssl)- Proxy certificates in OpenSSL
 * proxymap (8postfix) - Postfix lookup table proxy server
 * ps - report a snapshot of the current processes.
 * ps2ascii - Ghostscript translator from PostScript or PDF to ASCII
 * ps2epsi - generate conforming Encapsulated PostScript
 * ps2pdf - Convert PostScript to PDF using ghostscript
 * ps2pdf12 - Convert PostScript to PDF 1.2 (Acrobat 3-and-later compatible) usi...
 * ps2pdf13 - Convert PostScript to PDF 1.3 (Acrobat 4-and-later compatible) usi...
 * ps2pdf14 - Convert PostScript to PDF 1.4 (Acrobat 5-and-later compatible) usi...
 * ps2pdfwr - Convert PostScript to PDF without specifying CompatibilityLevel, u...
 * ps2ps - Ghostscript PostScript "distiller"
 * psc - prepare sc files
 * psfaddtable - add a Unicode character table to a console font
 * psfgettable - extract the embedded Unicode character table from a console font
 * psfstriptable - remove the embedded Unicode character table from a console font
 * psfxtable - handle Unicode character tables for console fonts
 * psicc - little cms PostScript converter.
 * psidtopgm - convert PostScript "image" data into a portable graymap
 * pslog - report current logs path of a process
 * pstopnm - convert a PostScript file into a portable anymap
 * pstore.conf - PStore configuration file
 * pstore.conf.d - PStore configuration file
 * pstree - display a tree of processes
 * pstree.x11 - display a tree of processes
 * ptar - a tar-like program written in perl
 * ptardiff - program that diffs an extracted archive against an unextracted one
 * ptargrep - Apply pattern matching to the contents of files in a tar archive
 * pthread_attr_getinheritsched - set/get inherit-scheduler attribute in thread attribut...
 * pthread_attr_getschedparam - set/get scheduling parameter attributes in thread attrib...
 * pthread_attr_getschedpolicy - set/get scheduling policy attribute in thread attribute...
 * pthread_attr_getscope - set/get contention scope attribute in thread attributes object
 * pthread_attr_getstack - set/get stack attributes in thread attributes object
 * pthread_attr_getstackaddr - set/get stack address attribute in thread attributes object
 * pthread_attr_getstacksize - set/get stack size attribute in thread attributes object
 * pthread_attr_setinheritsched - set/get inherit-scheduler attribute in thread attribut...
 * pthread_attr_setschedparam - set/get scheduling parameter attributes in thread attrib...
 * pthread_attr_setschedpolicy - set/get scheduling policy attribute in thread attribute...
 * pthread_attr_setscope - set/get contention scope attribute in thread attributes object
 * pthread_attr_setstack - set/get stack attributes in thread attributes object
 * pthread_attr_setstackaddr - set/get stack address attribute in thread attributes object
 * pthread_attr_setstacksize - set/get stack size attribute in thread attributes object
 * pthread_cancel - send a cancellation request to a thread
 * pthread_cleanup_pop - push and pop thread cancellation clean-up handlers
 * pthread_cleanup_pop_restore_np - push and pop thread cancellation clean-up handlers w...
 * pthread_cleanup_push - push and pop thread cancellation clean-up handlers
 * pthread_cleanup_push_defer_np - push and pop thread cancellation clean-up handlers wh...
 * pthread_getattr_default_np - get or set default thread-creation attributes
 * pthread_getconcurrency - set/get the concurrency level
 * pthread_getcpuclockid - retrieve ID of a thread's CPU time clock
 * pthread_getname_np - set/get the name of a thread
 * pthread_getschedparam - set/get scheduling policy and parameters of a thread
 * pthread_join - join with a terminated thread
 * pthread_kill - send a signal to a thread
 * pthread_kill_other_threads_np - terminate all other threads in process
 * pthread_mutexattr_getpshared - get/set process-shared mutex attribute
 * pthread_mutexattr_getrobust - get and set the robustness attribute of a mutex attribu...
 * pthread_mutexattr_getrobust_np - get and set the robustness attribute of a mutex attr...
 * pthread_mutexattr_setpshared - get/set process-shared mutex attribute
 * pthread_mutexattr_setrobust - get and set the robustness attribute of a mutex attribu...
 * pthread_mutexattr_setrobust_np - get and set the robustness attribute of a mutex attr...
 * pthread_rwlockattr_getkind_np - set/get the read-write lock kind of the thread read-w...
 * pthread_rwlockattr_setkind_np - set/get the read-write lock kind of the thread read-w...
 * pthread_self - obtain ID of the calling thread
 * pthread_setattr_default_np - get or set default thread-creation attributes
 * pthread_setconcurrency - set/get the concurrency level
 * pthread_setname_np - set/get the name of a thread
 * pthread_setschedparam - set/get scheduling policy and parameters of a thread
 * pthread_setschedprio - set scheduling priority of a thread
 * pthread_spin_destroy - initialize or destroy a spin lock
 * pthread_spin_init - initialize or destroy a spin lock
 * pthread_spin_lock - lock and unlock a spin lock
 * pthread_spin_trylock - lock and unlock a spin lock
 * pthread_spin_unlock - lock and unlock a spin lock
 * pthread_testcancel - request delivery of any pending cancellation request
 * pthread_timedjoin_np - try to join with a terminated thread
 * pthread_tryjoin_np - try to join with a terminated thread
 * pthread_yield - yield the processor
 * ptmx - pseudoterminal master and slave
 * pts - pseudoterminal master and slave
 * ptsname - get the name of the slave pseudoterminal
 * ptsname_r - get the name of the slave pseudoterminal
 * pty - pseudoterminal interfaces
 * pulse-client.conf - PulseAudio client configuration file
 * pulse-daemon.conf - PulseAudio daemon configuration file
 * pulseaudio - The PulseAudio Sound System
 * putc_unlocked - nonlocking stdio functions
 * putchar_unlocked - nonlocking stdio functions
 * pututxline - access utmp file entries
 * putwc_unlocked - nonlocking stdio functions
 * putwchar_unlocked - nonlocking stdio functions
 * pvchange - Change attributes of physical volume
 * pvck - Check metadata on physical volumes
 * pvcreate - Initialize physical volume for use by LVM
 * pvdisplay - Display various attributes of physical volume
 * pvmove - Move extents from one physical volume to another
 * pvremove - Remove LVM label from physical volume
 * pvresize - Resize physical volume
 * pvs - Display information about physical volumes
 * pvscan - List all physical volumes
 * pwck - verify integrity of password files
 * pwd - print name of current/working directory
 * pwdx - report current working directory of a process
 * pwquality.conf - configuration for the libpwquality library
 * pwrite - read from or write to a file descriptor at a given offset
 * pwrite64 - read from or write to a file descriptor at a given offset
 * pxelinux-options - utility to set PXELINUX hard-coded options.
 * py3versions - print python3 version information
 * pydoc2 - the Python documentation tool
 * pydoc2.7 - the Python documentation tool
 * pydoc3 - the Python documentation tool
 * pydoc3.8 - the Python documentation tool
 * pyjwt3 - Python implementation of JSON Web Token
 * pysetup3.8 - pysetup tool
 * python3-config - output build options for python C/C++ extensions or embedding
 * python3.8-config - output build options for python C/C++ extensions or embedding
 * pyversions - print python version information
 * qecvt - convert a floating-point number to a string
 * qecvt_r - convert a floating-point number to a string
 * qfcvt - convert a floating-point number to a string
 * qfcvt_r - convert a floating-point number to a string
 * qgcvt - convert a floating-point number to a string
 * qmgr (8postfix) - Postfix queue manager
 * qmqp-source - parallelized QMQP test generator
 * qmqpd (8postfix) - Postfix QMQP server
 * qrttoppm - convert output from the QRT ray tracer into a portable pixmap
 * qshape - Print Postfix queue domain and age distribution
 * qt-faststart - utility for Quicktime files
 * qt5ct - Qt5 Configuration Utility
 * query_module - query the kernel for various bits pertaining to modules
 * queue - implementations of singly-linked lists, singly-linked tail queues,...
 * qvlc - the VLC media player
 * raise - send a signal to the caller
 * ram - ram disk device
 * rand (1ssl) - generate pseudo-random bytes
 * rand - pseudo-random number generator
 * RAND_DRBG (7ssl) - the deterministic random bit generator
 * rand_r - pseudo-random number generator
 * random - random number generator
 * random - kernel random number source devices
 * random_r - reentrant random number generator
 * rarp - manipulate the system RARP table
 * rasterizer - SVG conversion
 * raw - Linux IPv4 raw sockets
 * raw - bind a Linux raw character device
 * rawmemchr - scan memory for a character
 * rawtopgm - convert raw grayscale bytes into a portable graymap
 * rawtoppm - convert raw RGB bytes into a portable pixmap
 * rcmd - routines for returning a stream to a remote command
 * rcmd_af - routines for returning a stream to a remote command
 * rcp - OpenSSH secure file copy
 * rctest - RFCOMM testing
 * rdate - set the system's date from a remote host
 * rdjpgcom - display text comments from a JPEG file
 * rdma-dev - RDMA device configuration
 * rdma-link - rdma link configuration
 * rdma-resource - rdma resource configuration
 * rdma-statistic - RDMA statistic counter configuration
 * rdma-system - RDMA subsystem configuration
 * re_comp - BSD regex functions
 * re_exec - BSD regex functions
 * read - read from a file descriptor
 * readdir - read directory entry
 * readdir - read a directory
 * readdir (3am) - directory input parser for gawk
 * readdir_r - read a directory
 * readelf - display information about ELF files
 * readfile (3am) - return the entire contents of a file as a string
 * readline (3readline)- get a line from a user with editing
 * readom - read or write data Compact Discs
 * readproc - read information from next /proc/## entry
 * readproctab - read information for all current processes at once
 * readprofile - read kernel profiling information
 * realpath - print the resolved path
 * realpath - return the canonicalized absolute pathname
 * reboot - Halt, power-off or reboot the machine
 * recode-sr-latin - convert Serbian text from Cyrillic to Latin script
 * recv - receive a message from a socket
 * recvfrom - receive a message from a socket
 * recvmmsg - receive multiple messages on a socket
 * recvmsg - receive a message from a socket
 * red - line-oriented text editor
 * redland - Resource Description Framework (RDF) Library
 * redshift - set color temperature of display according to time of day
 * redshift-gtk - set color temperature of display according to time of day
 * regcomp - POSIX regex functions
 * regdbdump - parse and print out regulatory rules file
 * regedit - Wine registry editor
 * regedit-stable - Wine registry editor
 * regerror - POSIX regex functions
 * regex - POSIX regex functions
 * regexec - POSIX regex functions
 * regexp_table - format of Postfix regular expression tables
 * regfree - POSIX regex functions
 * register-stardata - Install or remove star data catalogues and astronomy programs
 * registerrpc - library routines for remote procedure calls
 * regsvr32 - Wine DLL Registration Server
 * regsvr32-stable - Wine DLL Registration Server
 * regulatory.bin - The Linux wireless regulatory database
 * regulatory.db - The Linux wireless regulatory database
 * rehash (1ssl) - Create symbolic links to files named by the hash values
 * reiserfsck - The checking tool for the ReiserFS filesystem.
 * reiserfstune - The tunning tool for the ReiserFS filesystem.
 * relocated - Postfix relocated table format
 * remainder - floating-point remainder function
 * remainderf - floating-point remainder function
 * remainderl - floating-point remainder function
 * remove - remove a file or directory
 * remove-default-ispell - remove default ispell dictionary
 * remove-shell - remove shells from the list of valid login shells
 * removexattr - remove an extended attribute
 * rename - change the name or location of a file
 * renameat - change the name or location of a file
 * renameat2 - change the name or location of a file
 * rendercheck - simple tests of the X Render extension.
 * renum - Bywater BASIC interpreter/shell
 * repertoiremap - map symbolic character names to Unicode code points
 * Reply::Plugin::TypeTiny (3pm)- improved type constraint exceptions in Reply
 * req (1ssl) - PKCS#10 certificate request and certificate generating utility
 * request-key - handle key instantiation callback requests from the kernel
 * request-key.conf - Instantiation handler configuration file
 * request_key - request a key from the kernel's key management facility
 * res_init - resolver routines
 * res_mkquery - resolver routines
 * res_nclose - resolver routines
 * res_ninit - resolver routines
 * res_nmkquery - resolver routines
 * res_nquery - resolver routines
 * res_nquerydomain - resolver routines
 * res_nsearch - resolver routines
 * res_nsend - resolver routines
 * res_query - resolver routines
 * res_querydomain - resolver routines
 * res_search - resolver routines
 * res_send - resolver routines
 * reset - terminal initialization
 * resize_reiserfs - resizer tool for the ReiserFS filesystem
 * resizecons - change kernel idea of the console size
 * resizepart - tell the kernel about the new size of a partition
 * resolv.conf - resolver configuration file
 * resolvconf - Resolve domain names, IPV4 and IPv6 addresses, DNS resource record...
 * resolvectl - Resolve domain names, IPV4 and IPv6 addresses, DNS resource record...
 * resolved.conf - Network Name Resolution configuration files
 * resolved.conf.d - Network Name Resolution configuration files
 * resolver - resolver routines
 * resolver - resolver configuration file
 * restart_syscall - restart a system call after interruption by a stop signal
 * rev - reverse lines characterwise
 * revoutput (3am) - Reverse output strings sample extension
 * revtwoway (3am) - Reverse strings sample two-way processor extension
 * rewind - reposition a stream
 * rewinddir - reset directory stream
 * rexec - return stream to a remote command
 * rexec_af - return stream to a remote command
 * rfcomm - RFCOMM configuration utility
 * rfkill - tool for enabling and disabling wireless devices
 * rgb3toppm - combine three portable graymaps into one portable pixmap
 * rhythmbox - music player and library for tagged files using GStreamer
 * rint - round to nearest integer
 * rintf - round to nearest integer
 * rintl - round to nearest integer
 * rlogin - OpenSSH remote login client
 * rm - remove files or directories
 * rmail - handle remote mail received via uucp
 * rmdir - remove empty directories
 * rmdir - delete a directory
 * rmic - Generates stub, skeleton, and tie classes for remote objects that ...
 * rmid - Starts the activation system daemon that enables objects to be reg...
 * rmiregistry - Starts a remote object registry on the specified port on the curre...
 * rmmod - Simple program to remove a module from the Linux Kernel
 * rmt-tar - remote magnetic tape server
 * Role::Tiny (3pm) - Roles: a nouvelle cuisine portion size slice of Moose
 * Role::Tiny::With (3pm)- Neat interface for consumers of Role::Tiny roles
 * round - round to nearest integer, away from zero
 * roundf - round to nearest integer, away from zero
 * roundl - round to nearest integer, away from zero
 * route - show / manipulate the IP routing table
 * routel - list routes with pretty output format
 * rpc - library routines for remote procedure calls
 * rpcclient - tool for executing client side MS-RPC functions
 * rpm-misc - lesser need options for rpm
 * rpm-plugin-systemd-inhibit - Plugin for the RPM Package Manager
 * rpmatch - determine if the answer to a question is affirmative or negative
 * rpmbuild - Build RPM Package
 * rpmgraph - Display RPM Package Dependency Graph
 * rresvport - routines for returning a stream to a remote command
 * rresvport_af - routines for returning a stream to a remote command
 * RSA-PSS (7ssl) - EVP_PKEY RSA-PSS algorithm support
 * rsh - OpenSSH remote login client
 * rstart - a sample implementation of a Remote Start client
 * rstartd - a sample implementation of a Remote Start rsh helper
 * rsync - a fast, versatile, remote (and local) file-copying tool
 * rsyncd.conf - configuration file for rsync in daemon mode
 * rsyslog.conf - rsyslogd configuration file
 * rsyslogd - reliable and extended syslogd
 * rt_sigaction - examine and change a signal action
 * rt_sigreturn - return from signal handler and cleanup stack frame
 * rt_sigtimedwait - synchronously wait for queued signals
 * rtc - real-time clock
 * rtcwake - enter a system sleep state until specified wakeup time
 * rtfm - an interface to the system reference manuals
 * rtime - get time from a remote machine
 * rtkitctl - Realtime Policy and Watchdog daemon control
 * rtld-audit - auditing API for the dynamic linker
 * rtmon - listens to and monitors RTnetlink
 * rtmpsuck - a transparent RTMP proxy
 * rtnetlink - Linux IPv4 routing socket
 * rtpr - replace backslashes with newlines.
 * run-mailcap - execute programs via entries in the mailcap file
 * run-parts - run scripts or programs in a directory
 * run-with-aspell - script to help use GNU Aspell as an ispell replacement
 * runcon - run command with specified security context
 * runuser - run a command with substitute user and group ID
 * ruserok - routines for returning a stream to a remote command
 * ruserok_af - routines for returning a stream to a remote command
 * rview - Vi IMproved, a programmer's text editor
 * rvim - Vi IMproved, a programmer's text editor
 * rvlc - the VLC media player
 * rvnamed-ng - reverse name resolution daemon for iptraf
 * s390_guarded_storage - operations with z/Architecture guarded storage facility
 * s390_pci_mmio_read - transfer data to/from PCI MMIO memory page
 * s390_pci_mmio_write - transfer data to/from PCI MMIO memory page
 * s390_runtime_instr - enable/disable s390 CPU run-time instrumentation
 * s390_sthyi - emulate STHYI instruction
 * s_client (1ssl) - SSL/TLS client program
 * s_server (1ssl) - SSL/TLS server program
 * s_time (1ssl) - SSL/TLS performance timing program
 * sa - summarizes accounting information
 * samba - A Windows AD and SMB/CIFS fileserver for UNIX
 * samba-regedit - ncurses based tool to manage the Samba registry
 * samba-tool - Main Samba administration tool.
 * sane - Scanner Access Now Easy: API for accessing scanners
 * sane-abaton - SANE backend for Abaton flatbed scanners
 * sane-agfafocus - SANE backend for AGFA Focus flatbed scanners
 * sane-apple - SANE backend for Apple flatbed scanners
 * sane-artec - SANE backend for Artec flatbed scanners
 * sane-artec_eplus48u - SANE backend for the scanner Artec E+ 48U and re-badged models
 * sane-as6e - SANE backend for using the Artec AS6E parallel port interface scan...
 * sane-avision - SANE backend for original Avision and Avision OEM scanners (HP, Mi...
 * sane-bh - SANE backend for Bell+Howell Copiscan II series document scanners
 * sane-canon - SANE backend for Canon SCSI scanners
 * sane-canon630u - SANE backend for the Canon 630u USB flatbed scanner
 * sane-canon_dr - SANE backend for Canon DR-series scanners
 * sane-canon_pp - SANE backend for Canon CanoScan Parallel Port flatbed scanners
 * sane-cardscan - SANE backend for Corex CardScan usb scanners
 * sane-coolscan - SANE backend for Nikon film-scanners
 * sane-coolscan2 - SANE backend for Nikon Coolscan film scanners
 * sane-coolscan3 - SANE backend for Nikon Coolscan film scanners
 * sane-dc210 - SANE backend for Kodak DC210 Digital Camera
 * sane-dc240 - SANE backend for Kodak DC240 Digital Camera
 * sane-dc25 - SANE backend for Kodak DC20/DC25 Digital Cameras
 * sane-dll - SANE dynamic backend loader
 * sane-dmc - SANE backend for the Polaroid Digital Microscope Camera
 * sane-epjitsu - SANE backend for Epson-based Fujitsu USB scanners.
 * sane-epson - SANE backend for EPSON scanners
 * sane-epson2 - SANE backend for EPSON scanners
 * sane-epsonds - SANE backend for EPSON ESC/I-2 scanners
 * sane-escl - SANE backend for eSCL scanners
 * sane-find-scanner - find SCSI and USB scanners and their device files
 * sane-fujitsu - SANE backend for Fujitsu flatbed and ADF scanners
 * sane-genesys - SANE backend for GL646, GL841, GL843, GL847 and GL124 based USB fl...
 * sane-gphoto2 - SANE backend for gphoto2 supported cameras
 * sane-gt68xx - SANE backend for GT-68XX based USB flatbed scanners
 * sane-hp - SANE backend for HP ScanJet scanners
 * sane-hp3500 - SANE backend for Hewlett-Packard ScanJet 3500 series scanners
 * sane-hp3900 - SANE backend for RTS8822 chipset based scanners
 * sane-hp4200 - SANE backend for Hewlett-Packard 4200 scanners
 * sane-hp5400 - SANE backend for Hewlett-Packard 54XX scanners
 * sane-hp5590 - SANE backend for Hewlett-Packard 4500C/4570C/5500C/5550C/5590/7650...
 * sane-hpljm1005 - SANE backend for Hewlett-Packard LaserJet M1005 MFP Scanner
 * sane-hpsj5s - SANE backend for HP ScanJet 5S sheet-fed scanner
 * sane-hs2p - SANE backend for Ricoh SCSI flatbed/ADF scanners
 * sane-ibm - SANE backend for IBM and Ricoh SCSI flatbed scanners
 * sane-kodak - SANE backend for big Kodak flatbed and ADF scanners
 * sane-kodakaio - SANE backend for Kodak aio printer / scanners
 * sane-kvs1025 - SANE backend for Panasonic KV-S102xC USB ADF scanners.
 * sane-kvs20xx - SANE backend for Panasonic KV-S20xxC USB/SCSI ADF scanners.
 * sane-kvs40xx - SANE backend for Panasonic KV-S40xxC USB/SCSI ADF scanners.
 * sane-leo - SANE backend for LEO Technologies scanners
 * sane-lexmark - SANE backend for Lexmark X1100/X1200 Series scanners
 * sane-ma1509 - SANE backend for Mustek BearPaw 1200F USB scanner
 * sane-magicolor - SANE backend for KONICA MINOLTA magicolor scanners
 * sane-matsushita - SANE backend for Panasonic KV-SS high speed scanners
 * sane-microtek - SANE backend for Microtek scanners
 * sane-microtek2 - SANE backend for Microtek scanners with SCSI-2 command set
 * sane-mustek - SANE backend for Mustek SCSI flatbed scanners (and some other devi...
 * sane-mustek_pp - SANE backend for Mustek parallel port flatbed scanners
 * sane-mustek_usb - SANE backend for Mustek USB flatbed scanners
 * sane-mustek_usb2 - SANE backend for SQ113 based USB flatbed scanners
 * sane-nec - SANE backend for NEC scanners
 * sane-net - SANE network backend
 * sane-niash - SANE backend for scanners based on the NIASH chipset.
 * sane-p5 - SANE backend for the Primax PagePartner
 * sane-pie - SANE backend for PIE, Devcom and AdLib SCSI flatbed scanners
 * sane-pieusb - SANE backend for USB-connected PIE PowerSlide and Reflecta DigitDi...
 * sane-pint - SANE backend for scanners that use the PINT device driver
 * sane-pixma - SANE backend for Canon Multi-Function Printers and CanoScan Scanners
 * sane-plustek - SANE backend for LM983[1/2/3] based USB flatbed scanners
 * sane-plustek_pp - SANE backend for Plustek parallel port flatbed scanners
 * sane-pnm - SANE PNM image reader pseudo-backend
 * sane-qcam - SANE backend for Connectix QuickCam cameras
 * sane-ricoh - SANE backend for Ricoh flatbed scanners
 * sane-ricoh2 - SANE backend for Ricoh flatbed scanners
 * sane-rts8891 - SANE backend for rts8891 based scanners
 * sane-s9036 - SANE backend for Siemens 9036 flatbed scanners
 * sane-sceptre - SANE backend for SCEPTRE scanners
 * sane-scsi - SCSI adapter tips for scanners
 * sane-sharp - SANE backend for SHARP scanners
 * sane-sm3600 - SANE backend for Microtek scanners with M011 USB chip
 * sane-sm3840 - SANE backend for Microtek scanners with SCAN08 USB chip
 * sane-snapscan - SANE backend for AGFA SnapScan flatbed scanners
 * sane-sp15c - SANE backend for Fujitsu ScanPartner 15C flatbed scanner
 * sane-st400 - SANE backend for Siemens ST/Highscan flatbed scanners
 * sane-stv680 - SANE backend for STV680 camera's
 * sane-tamarack - SANE backend for Tamarack flatbed scanners
 * sane-teco1 - SANE backend for TECO / RELISYS scanners
 * sane-teco2 - SANE backend for TECO / RELISYS scanners
 * sane-teco3 - SANE backend for TECO / RELISYS scanners
 * sane-test - SANE backend for testing frontends
 * sane-u12 - SANE backend for Plustek USB flatbed scanners, based on older parp...
 * sane-umax - SANE backend for UMAX scanners
 * sane-umax1220u - SANE backend for the UMAX Astra 1220U and similar scanners
 * sane-umax_pp - SANE backend for Umax Astra parallel port flatbed scanners
 * sane-usb - USB configuration tips for SANE
 * sane-xerox_mfp - SANE backend for Xerox Phaser 3200MFP device et al.
 * saned - SANE network daemon
 * sbattach - UEFI secure boot detached signature tool
 * sbsiglist - Create EFI_SIGNATURE_LIST signature databases
 * sbsign - UEFI secure boot signing tool
 * sbvarsign - UEFI authenticated variable signing tool
 * sbverify - UEFI secure boot verification tool
 * sc - spreadsheet calculator
 * scache (8postfix) - Postfix shared connection cache server
 * scalb - multiply floating-point number by integral power of radix (OBSOLETE)
 * scalbf - multiply floating-point number by integral power of radix (OBSOLETE)
 * scalbl - multiply floating-point number by integral power of radix (OBSOLETE)
 * scalbln - multiply floating-point number by integral power of radix
 * scalblnf - multiply floating-point number by integral power of radix
 * scalblnl - multiply floating-point number by integral power of radix
 * scalbn - multiply floating-point number by integral power of radix
 * scalbnf - multiply floating-point number by integral power of radix
 * scalbnl - multiply floating-point number by integral power of radix
 * scandir - scan a directory for matching entries
 * scandirat - scan a directory for matching entries
 * scanf - input format conversion
 * scanimage - scan an image
 * sccmap - extract strongly connected components of directed graphs
 * sched - overview of CPU scheduling
 * sched_get_priority_max - get static priority range
 * sched_get_priority_min - get static priority range
 * sched_getaffinity - set and get a thread's CPU affinity mask
 * sched_getattr - set and get scheduling policy and attributes
 * sched_getcpu - determine CPU on which the calling thread is running
 * sched_getparam - set and get scheduling parameters
 * sched_getscheduler - set and get scheduling policy/parameters
 * sched_rr_get_interval - get the SCHED_RR interval for the named process
 * sched_setaffinity - set and get a thread's CPU affinity mask
 * sched_setattr - set and get scheduling policy and attributes
 * sched_setparam - set and get scheduling parameters
 * sched_setscheduler - set and get scheduling policy/parameters
 * sched_yield - yield the processor
 * scp - OpenSSH secure file copy
 * scr_dump - format of curses screen-dumps.
 * screendump - dump the contents of a virtual console to stdout
 * script - make typescript of terminal session
 * scriptreplay - play back typescripts, using timing information
 * scrypt (7ssl) - EVP_PKEY scrypt KDF support
 * sd - driver for SCSI disk drives
 * sd-boot - A simple UEFI boot manager
 * seahorse - Passwords and Keys
 * seccomp - operate on Secure Computing state of the process
 * secure_getenv - get an environment variable
 * securetty - file which lists terminals from which root can log in
 * security - unimplemented system calls
 * sed - stream editor for filtering and transforming text
 * see - execute programs via entries in the mailcap file
 * seed48 - generate uniformly distributed pseudo-random numbers
 * seed48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * seekdir - set the position of the next readdir call in the directory stream.
 * select-default-ispell - select default ispell dictionary
 * select-default-iwrap - Selects the user default ispell dictionary for use with ispell...
 * select-editor - select your default sensible-editor from all installed editors
 * sem_getvalue - get the value of a semaphore
 * sem_timedwait - lock a semaphore
 * semanage.conf - global configuration file for the SELinux Management library
 * semctl - System V semaphore control operations
 * semop - System V semaphore operations
 * semtimedop - System V semaphore operations
 * send - send a message on a socket
 * sendfile - transfer data between file descriptors
 * sendfile64 - transfer data between file descriptors
 * sendmail - Postfix to Sendmail compatibility interface
 * sendmmsg - send multiple messages on a socket
 * sendmsg - send a message on a socket
 * sendto - send a message on a socket
 * sensible-browser - sensible editing, paging, and web browsing
 * sensible-editor - sensible editing, paging, and web browsing
 * sensible-pager - sensible editing, paging, and web browsing
 * sensors - print sensors information
 * sensors-conf-convert - sensors configuration conversion
 * sensors-detect - detect hardware monitoring chips
 * sensors.conf - libsensors configuration file
 * sepermit.conf - configuration file for the pam_sepermit module
 * Sereal::Decoder (3pm)- Fast, compact, powerful binary deserialization
 * Sereal::Encoder (3pm)- Fast, compact, powerful binary serialization
 * Sereal::Performance (3pm)- Getting the most out of the Perl-Sereal implementation
 * serialver - Returns the serial version UID for specified classes.
 * service - run a System V init script
 * services - Internet network services list
 * sess_id (1ssl) - SSL/TLS session handling utility
 * session-migration - Migrate in user session settings.
 * set_robust_list - get/set list of robust futexes
 * set_thread_area - manipulate thread-local storage information
 * setaliasent - read an alias entry
 * setarch - change reported architecture in new program environment and/or set...
 * setbuf - stream buffering operations
 * setbuffer - stream buffering operations
 * setcifsacl - Userspace helper to alter an ACL in a security descriptor for Comm...
 * setcontext - get or set the user context
 * setcontext - get or set the user context
 * setdomainname - get/set NIS domain name
 * setegid - set effective user or group ID
 * setfacl - set file access control lists
 * setfattr - set extended attributes of filesystem objects
 * setfont - load EGA/VGA console screen font
 * setfsent - handle fstab entries
 * setfsgid - set group identity used for filesystem checks
 * setfsgid32 - set group identity used for filesystem checks
 * setfsuid - set user identity used for filesystem checks
 * setfsuid32 - set user identity used for filesystem checks
 * setgroups - get/set list of supplementary group IDs
 * setgroups32 - get/set list of supplementary group IDs
 * sethostid - get or set the unique identifier of the current host
 * sethostid - get or set the unique identifier of the current host
 * setitimer - get or set value of an interval timer
 * setkey - encrypt 64-bit messages
 * setkey_r - encrypt 64-bit messages
 * setkeycodes - load kernel scancode-to-keycode mapping table entries
 * setleds - set the keyboard leds
 * setlinebuf - stream buffering operations
 * setlocale - set the current locale
 * setlogcons - Send kernel messages to console N
 * setmetamode - define the keyboard meta key handling
 * setmntent - get filesystem descriptor file entry
 * setns - reassociate thread with a namespace
 * setpci - configure PCI devices
 * setpriority - get/set program scheduling priority
 * setpriv - run a program with different Linux privilege settings
 * setservent - get service entry
 * setsid - creates a session and sets the process group ID
 * setsockopt - get and set options on sockets
 * setstate - random number generator
 * setstate_r - reentrant random number generator
 * settimeofday - get / set time
 * setup - setup devices and filesystems, mount root filesystem
 * setupcon - sets up the font and the keyboard on the console
 * setutxent - access utmp file entries
 * setvbuf - stream buffering operations
 * setvesablank - Turn VESA screen blanking on or off
 * setvtrgb - customize the console color map
 * setvtrgb - set the virtual terminal RGB colors
 * setxattr - set an extended attribute value
 * setxkbmap - set the keyboard using the X Keyboard Extension
 * sfdisk - display or manipulate a disk partition table
 * sfdp - filter for drawing large undirected graphs
 * sftp - OpenSSH secure file transfer
 * sg - execute command as different group ID
 * sgdisk - Command-line GUID partition table (GPT) manipulator for Linux and ...
 * sgetmask - manipulation of signal mask (obsolete)
 * shmat - System V shared memory operations
 * shmdt - System V shared memory operations
 * shmop - System V shared memory operations
 * showconsolefont - Show the current EGA/VGA console screen font
 * showkey - examine the codes sent by the keyboard
 * showq (8postfix) - list the Postfix mail queue
 * showrgb - display an rgb color-name database
 * shred - overwrite a file to hide its contents, and optionally delete it
 * shuf - generate random permutations
 * shutdown - shut down part of a full-duplex connection
 * shutdown - Halt, power-off or reboot the machine
 * sigaction - examine and change a signal action
 * sigaddset - POSIX signal set operations
 * sigaltstack - set and/or get signal stack context
 * sigandset - POSIX signal set operations
 * sigdelset - POSIX signal set operations
 * sigemptyset - POSIX signal set operations
 * sigevent - structure for notification from asynchronous routines
 * sigfillset - POSIX signal set operations
 * sigisemptyset - POSIX signal set operations
 * sigismember - POSIX signal set operations
 * signal-safety - async-signal-safe functions
 * signalfd - create a file descriptor for accepting signals
 * signalfd4 - create a file descriptor for accepting signals
 * signbit - test sign of a real floating-point number
 * signgam - log gamma function
 * significand - get mantissa of floating-point number
 * significandf - get mantissa of floating-point number
 * significandl - get mantissa of floating-point number
 * sigorset - POSIX signal set operations
 * sigreturn - return from signal handler and cleanup stack frame
 * sigsetops - POSIX signal set operations
 * sigstack - set and/or get signal stack context
 * sigtimedwait - synchronously wait for queued signals
 * sigwaitinfo - synchronously wait for queued signals
 * tc-simple - basic example action
 * simple-scan - Scanning utility
 * sin - sine function
 * sincos - calculate sin and cos simultaneously
 * sincosf - calculate sin and cos simultaneously
 * sincosl - calculate sin and cos simultaneously
 * sinf - sine function
 * sinh - hyperbolic sine function
 * sinhf - hyperbolic sine function
 * sinhl - hyperbolic sine function
 * sinl - sine function
 * size - list section sizes and total size of binary files
 * skill - send a signal or report process status
 * slabinfo - kernel slab allocator statistics
 * slabtop - display kernel slab cache information in real time
 * slattach - attach a network interface to a serial line
 * sldtoppm - convert an AutoCAD slide file into a portable pixmap
 * sleep - delay for a specified amount of time
 * sleep - sleep for a specified number of seconds
 * sleep.conf.d - Suspend and hibernation configuration file
 * slick-greeter - distro agnostic LightDM greeter
 * slick-greeter-check-hidpi - distro agnostic LightDM greeter
 * slick-greeter-set-keyboard-layout - switch keyboard layout
 * SLIST_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail q...
 * SLIST_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queue...
 * SLIST_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * SLIST_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * SLIST_REMOVE_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * sln - create symbolic links
 * slogin - OpenSSH remote login client
 * slop - select operation
 * slxdecode - Decode a SLX stream into human readable form.
 * SM2 (7ssl) - Chinese SM2 signature and encryption algorithm support
 * smartpqi - Microsemi Smart Family SCSI driver
 * smb.conf - The configuration file for the Samba suite
 * smbcacls - Set or get ACLs on an NT file or directory names
 * smbclient - ftp-like client to access SMB/CIFS resources on servers
 * smbcquotas - Set or get QUOTAs of NTFS 5 shares
 * smbget - wget-like utility for download files over SMB
 * smbgetrc - configuration file for smbget
 * smbinfo - Userspace helper to display SMB-specific file information for the ...
 * smbpasswd - The Samba encrypted password file
 * smbpasswd - change a user's SMB password
 * smbspool - send a print file to an SMB printer
 * smbspool_krb5_wrapper - This is a CUPS printing backend which calls smbspool
 * smbtar - shell script for backing up SMB/CIFS shares directly to UNIX tape ...
 * smbtree - A text based smb network browser
 * smime (1ssl) - S/MIME utility
 * smproxy - Session Manager Proxy
 * smtp (8postfix) - Postfix SMTP+LMTP client
 * smtp-sink - parallelized SMTP/LMTP test server
 * smtp-source - parallelized SMTP/LMTP test generator
 * smtpd (8postfix) - Postfix SMTP server
 * snice - send a signal or report process status
 * snmp.conf - configuration files for the Net-SNMP applications
 * snmp_config - handling of Net-SNMP configuration files
 * snmpd.examples - example configuration for the Net-SNMP agent
 * snmpd.internal - internal configuration of the Net-SNMP agent
 * snprintf - formatted output conversion
 * sock_diag - obtaining information about sockets
 * sockatmark - determine whether socket is at out-of-band mark
 * socket - create an endpoint for communication
 * socket - Linux socket interface
 * socketcall - socket system calls
 * socketmap_table - Postfix socketmap table lookup client
 * socketpair - create a pair of connected sockets
 * software-properties-gtk - Software Sources List editor
 * software-properties-kde - Software Sources List editor
 * software-sources - Software Sources List editor
 * sources.list - List of configured APT data sources
 * spawn (8postfix) - Postfix external command spawner
 * spctoppm - convert an Atari compressed Spectrum file into a portable pixmap
 * spd-conf - configure Speech Dispatcher and diagnose problems
 * spd-say - send text-to-speech output request to speech-dispatcher
 * speaker-test - command-line speaker test tone generator for ALSA
 * speech-dispatcher - speech synthesis daemon
 * spellintian - simple spellchecker based on Lintian's data files
 * spkac (1ssl) - SPKAC printing and generating utility
 * splain - produce verbose warning diagnostics
 * splice - splice data to/from a pipe
 * split - split a file into pieces
 * split-logfile - Split combined virtual hosts access log into one file per virtual ...
 * splitdiff - separate out incremental patches
 * splitfont - extract characters from an ISO-type font.
 * sprintf - formatted output conversion
 * sprof - read and display shared object profiling data
 * spu_run - execute an SPU context
 * sputoppm - convert an Atari uncompressed Spectrum file into a portable pixmap
 * sqrt - square root function
 * sqrtf - square root function
 * sqrtl - square root function
 * squiggle - browser for SVG files
 * srand - pseudo-random number generator
 * srand48 - generate uniformly distributed pseudo-random numbers
 * srand48_r - generate uniformly distributed pseudo-random numbers reentrantly
 * srandom - random number generator
 * srandom_r - reentrant random number generator
 * ss - another utility to investigate sockets
 * sscanf - input format conversion
 * ssetmask - manipulation of signal mask (obsolete)
 * ssh - OpenSSH remote login client
 * ssh-add - adds private key identities to the OpenSSH authentication agent
 * ssh-agent - OpenSSH authentication agent
 * ssh-argv0 - replaces the old ssh command-name as hostname handling
 * ssh-copy-id - use locally available keys to authorise logins on a remote machine
 * ssh-keygen - OpenSSH authentication key utility
 * ssh-keyscan - gather SSH public keys from servers
 * ssh-keysign - OpenSSH helper for host-based authentication
 * ssh-pkcs11-helper - OpenSSH helper for PKCS#11 support
 * ssh-sk-helper - OpenSSH helper for FIDO authenticator support
 * ssh_config - OpenSSH client configuration file
 * ssl (7ssl) - OpenSSL SSL/TLS library
 * st - SCSI tape device
 * STAILQ_CONCAT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail ...
 * STAILQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queu...
 * STAILQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queue...
 * STAILQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queue...
 * STAILQ_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * STAILQ_REMOVE_HEAD - implementations of singly-linked lists, singly-linked tail queue...
 * starconvert - convert text data files to StarPlot format
 * starpkg - convert a StarPlot data set to StarPlot file format
 * starplot - view 3d perspective maps of stars
 * start-pulseaudio-x11 - PulseAudio Sound Server X11 Startup Script
 * start-stop-daemon - start and stop system daemon programs
 * startx - initialize an X session
 * stat - display file or file system status
 * statfs - get filesystem statistics
 * statfs64 - get filesystem statistics
 * stdarg - variable argument lists
 * stdbuf - Run COMMAND, with modified buffering operations for its standard s...
 * stdio - standard input/output library functions
 * stdio_ext - interfaces to stdio FILE structure
 * stime - set time
 * storeutl (1ssl) - STORE utility
 * stpncpy - copy a fixed-size string, returning a pointer to its end
 * strace - trace system calls and signals
 * strace-log-merge - merge strace-ff-tt output
 * strcasecmp - compare two strings ignoring case
 * strcoll - compare two strings using the current locale
 * stream - a lightweight tool to stream one or more pixel components of the i...
 * stream-im6 - a lightweight tool to stream one or more pixel components of the i...
 * stream-im6.q16 - a lightweight tool to stream one or more pixel components of the i...
 * streamer - record audio and/or video
 * streamripper - rip shoutcast radio streams to mp3 files
 * strerror - return string describing error number
 * strerror_l - return string describing error number
 * strerror_r - return string describing error number
 * strfmon - convert monetary value to a string
 * strfmon_l - convert monetary value to a string
 * strfromd - convert a floating-point value into a string
 * strfromf - convert a floating-point value into a string
 * strfroml - convert a floating-point value into a string
 * strftime - format date and time
 * strictures (3pm) - Turn on strict and make most warnings fatal
 * strictures::extra (3pm)- enable or disable strictures additional checks
 * string - string operations
 * strings - print the sequences of printable characters in files
 * strip - discard symbols and other data from object files
 * strlen - calculate the length of a string
 * strncasecmp - compare two strings ignoring case
 * strnlen - determine the length of a fixed-size string
 * strptime - convert a string representation of time to a time tm structure
 * strsignal - return string describing signal
 * strtod - convert ASCII string to floating-point number
 * strtof - convert ASCII string to floating-point number
 * strtoimax - convert string to integer
 * strtol - convert a string to a long integer
 * strtold - convert ASCII string to floating-point number
 * strtoll - convert a string to a long integer
 * strtoq - convert a string to a long integer
 * strtoul - convert a string to an unsigned long integer
 * strtoull - convert a string to an unsigned long integer
 * strtoumax - convert string to integer
 * strtouq - convert a string to an unsigned long integer
 * Struct::Dumb (3pm) - make simple lightweight record-like structures
 * strverscmp - compare two version strings
 * strxfrm - string transformation
 * stty - change and print terminal line settings
 * su - run a command with substitute user and group ID
 * Sub::Defer (3pm) - Defer generation of subroutines until they are first called
 * Sub::Override (3pm) - Perl extension for easily overriding subroutines
 * Sub::Quote (3pm) - Efficient generation of subroutines via string eval
 * subgid - the subordinate gid file
 * subpage_prot - define a subpage protection for an address range
 * subscriptions.conf - subscription configuration file for cups
 * subuid - the subordinate uid file
 * sudo - execute a command as another user
 * sudo.conf - configuration for sudo front end
 * sudo_plugin - Sudo Plugin API
 * sudo_root - How to run administrative commands
 * sudoedit - execute a command as another user
 * sudoers - default sudo security policy plugin
 * sudoers_timestamp - Sudoers Time Stamp Format
 * sudoreplay - replay sudo session logs
 * suffixes - list of file suffixes
 * sum - checksum and count the blocks in a file
 * svc_destroy - library routines for remote procedure calls
 * svc_freeargs - library routines for remote procedure calls
 * svc_getargs - library routines for remote procedure calls
 * svc_getcaller - library routines for remote procedure calls
 * svc_getreq - library routines for remote procedure calls
 * svc_getreqset - library routines for remote procedure calls
 * svc_register - library routines for remote procedure calls
 * svc_run - library routines for remote procedure calls
 * svc_sendreply - library routines for remote procedure calls
 * svc_unregister - library routines for remote procedure calls
 * svcerr_auth - library routines for remote procedure calls
 * svcerr_decode - library routines for remote procedure calls
 * svcerr_noproc - library routines for remote procedure calls
 * svcerr_noprog - library routines for remote procedure calls
 * svcerr_progvers - library routines for remote procedure calls
 * svcerr_systemerr - library routines for remote procedure calls
 * svcerr_weakauth - library routines for remote procedure calls
 * svcfd_create - library routines for remote procedure calls
 * svcraw_create - library routines for remote procedure calls
 * svctcp_create - library routines for remote procedure calls
 * svcudp_bufcreate - library routines for remote procedure calls
 * svcudp_create - library routines for remote procedure calls
 * svgpp - pretty-printer for SVG files
 * svipc - System V interprocess communication mechanisms
 * svlc - the VLC media player
 * swaplabel - print or change the label or UUID of a swap area
 * swapoff - start/stop swapping to file/device
 * swapoff - enable/disable devices and files for paging and swapping
 * swapon - start/stop swapping to file/device
 * swapon - enable/disable devices and files for paging and swapping
 * switch_root - switch to another filesystem as the root of the mount tree
 * swprintf - formatted wide-character output conversion
 * symcryptrun - Call a simple symmetric encryption tool
 * synaptic - graphical management of software packages
 * sync - Synchronize cached writes to persistent storage
 * sync-available - sync dpkg's available database with apt's database
 * sync_file_range - sync a file segment with disk
 * sync_file_range2 - sync a file segment with disk
 * syscall - indirect system call
 * syscalls - Linux system calls
 * sysconf - get configuration information at run time
 * sysctl - read/write system parameters
 * sysctl - configure kernel parameters at runtime
 * sysctl.conf - sysctl preload/configuration file
 * sysctl.d - Configure kernel parameters at boot
 * sysfs - get filesystem type information
 * sysfs - a filesystem for exporting kernel objects
 * sysinfo - return system information
 * syslinux - install the SYSLINUX bootloader on a FAT filesystem
 * syslinux-legacy - install the SYSLINUX bootloader on a FAT filesystem
 * syslinux2ansi - converts a syslinux-format screen to pc-ansi
 * syslog - read and/or clear kernel message ring buffer; set console_loglevel
 * syslog - send messages to the system logger
 * system - execute a shell command
 * system-config-printer - configure a CUPS server
 * system-config-printer-applet - print job manager
 * system-tools-backends - message dispatcher for system-tools-backends
 * system.conf.d - System and session service manager configuration files
 * systemctl - Control the systemd system and service manager
 * systemd - systemd system and service manager
 * systemd-analyze - Analyze and debug system manager
 * systemd-ask-password - Query the user for a system password
 * systemd-ask-password-console.path - Query the user for system passwords on the consol...
 * systemd-ask-password-console.service - Query the user for system passwords on the con...
 * systemd-ask-password-wall.path - Query the user for system passwords on the console a...
 * systemd-ask-password-wall.service - Query the user for system passwords on the consol...
 * systemd-backlight - Load and save the display backlight brightness at boot and shutdown
 * systemd-backlight@.service - Load and save the display backlight brightness at boot a...
 * systemd-binfmt - Configure additional binary formats for executables at boot
 * systemd-binfmt.service - Configure additional binary formats for executables at boot
 * systemd-bless-boot - Mark current boot process as successful
 * systemd-bless-boot-generator - Pull systemd-bless-boot.service into the initial boot ...
 * systemd-bless-boot.service - Mark current boot process as successful
 * systemd-boot - A simple UEFI boot manager
 * systemd-boot-check-no-failures - verify that the system booted up cleanly
 * systemd-boot-check-no-failures.service - verify that the system booted up cleanly
 * systemd-boot-system-token.service - Generate an initial boot loader system token and ...
 * systemd-cat - Connect a pipeline or program's output with the journal
 * systemd-cgls - Recursively show control group contents
 * systemd-cgtop - Show top control groups by their resource usage
 * systemd-coredump - Acquire, save and process core dumps
 * systemd-coredump.socket - Acquire, save and process core dumps
 * systemd-coredump@.service - Acquire, save and process core dumps
 * systemd-cryptsetup - Full disk decryption logic
 * systemd-cryptsetup-generator - Unit generator for /etc/crypttab
 * systemd-cryptsetup@.service - Full disk decryption logic
 * systemd-debug-generator - Generator for enabling a runtime debug shell and masking sp...
 * systemd-delta - Find overridden configuration files
 * systemd-detect-virt - Detect execution in a virtualized environment
 * systemd-environment-d-generator - Load variables specified by environment.d
 * systemd-escape - Escape strings for usage in systemd unit names
 * systemd-fsck - File system checker logic
 * systemd-fsck-root.service - File system checker logic
 * systemd-fsck@.service - File system checker logic
 * systemd-fsckd - File system check progress reporting
 * systemd-fsckd.service - File system check progress reporting
 * systemd-fsckd.socket - File system check progress reporting
 * systemd-fstab-generator - Unit generator for /etc/fstab
 * systemd-getty-generator - Generator for enabling getty instances on the console
 * systemd-gpt-auto-generator - Generator for automatically discovering and mounting roo...
 * systemd-growfs - Creating and growing file systems on demand
 * systemd-growfs@.service - Creating and growing file systems on demand
 * systemd-halt.service - System shutdown logic
 * systemd-hibernate-resume - Resume from hibernation
 * systemd-hibernate-resume-generator - Unit generator for resume= kernel parameter
 * systemd-hibernate-resume@.service - Resume from hibernation
 * systemd-hibernate.service - System sleep state logic
 * systemd-hostnamed - Host name bus mechanism
 * systemd-hostnamed.service - Host name bus mechanism
 * systemd-hwdb - hardware database management tool
 * systemd-hybrid-sleep.service - System sleep state logic
 * systemd-id128 - Generate and print sd-128 identifiers
 * systemd-importd - VM and container image import and export service
 * systemd-importd.service - VM and container image import and export service
 * systemd-inhibit - Execute a program with an inhibition lock taken
 * systemd-initctl - /dev/initctl compatibility
 * systemd-initctl.service - /dev/initctl compatibility
 * systemd-initctl.socket - /dev/initctl compatibility
 * systemd-journald - Journal service
 * systemd-journald-audit.socket - Journal service
 * systemd-journald-dev-log.socket - Journal service
 * systemd-journald-varlink@.socket - Journal service
 * systemd-journald.service - Journal service
 * systemd-journald.socket - Journal service
 * systemd-journald@.service - Journal service
 * systemd-journald@.socket - Journal service
 * systemd-kexec.service - System shutdown logic
 * systemd-localed - Locale bus mechanism
 * systemd-localed.service - Locale bus mechanism
 * systemd-logind - Login manager
 * systemd-logind.service - Login manager
 * systemd-machine-id-commit.service - Commit a transient machine ID to disk
 * systemd-machine-id-setup - Initialize the machine ID in /etc/machine-id
 * systemd-makefs - Creating and growing file systems on demand
 * systemd-makefs@.service - Creating and growing file systems on demand
 * systemd-mkswap@.service - Creating and growing file systems on demand
 * systemd-modules-load - Load kernel modules at boot
 * systemd-modules-load.service - Load kernel modules at boot
 * systemd-mount - Establish and destroy transient mount or auto-mount points
 * systemd-network-generator - Generate network configuration from the kernel command line
 * systemd-network-generator.service - Generate network configuration from the kernel co...
 * systemd-networkd - Network manager
 * systemd-networkd-wait-online - Wait for network to come online
 * systemd-networkd-wait-online.service - Wait for network to come online
 * systemd-networkd.service - Network manager
 * systemd-notify - Notify service manager about start-up completion and other daemon ...
 * systemd-path - List and query system and user paths
 * systemd-poweroff.service - System shutdown logic
 * systemd-pstore - A service to archive contents of pstore
 * systemd-pstore.service - A service to archive contents of pstore
 * systemd-quotacheck - File system quota checker logic
 * systemd-quotacheck.service - File system quota checker logic
 * systemd-random-seed - Load and save the system random seed at boot and shutdown
 * systemd-random-seed.service - Load and save the system random seed at boot and shutdown
 * systemd-rc-local-generator - Compatibility generator for starting /etc/rc.local durin...
 * systemd-reboot.service - System shutdown logic
 * systemd-remount-fs - Remount root and kernel file systems
 * systemd-remount-fs.service - Remount root and kernel file systems
 * systemd-resolved - Network Name Resolution manager
 * systemd-resolved.service - Network Name Resolution manager
 * systemd-rfkill - Load and save the RF kill switch state at boot and change
 * systemd-rfkill.service - Load and save the RF kill switch state at boot and change
 * systemd-rfkill.socket - Load and save the RF kill switch state at boot and change
 * systemd-run - Run programs in transient scope units, service units, or path-, so...
 * systemd-run-generator - Generator for invoking commands specified on the kernel comma...
 * systemd-shutdown - System shutdown logic
 * systemd-sleep - System sleep state logic
 * systemd-sleep.conf - Suspend and hibernation configuration file
 * systemd-socket-activate - Test socket activation of daemons
 * systemd-socket-proxyd - Bidirectionally proxy local sockets to another (possibly remo...
 * systemd-suspend-then-hibernate.service - System sleep state logic
 * systemd-suspend.service - System sleep state logic
 * systemd-sysctl - Configure kernel parameters at boot
 * systemd-sysctl.service - Configure kernel parameters at boot
 * systemd-system-update-generator - Generator for redirecting boot to offline update mode
 * systemd-system.conf - System and session service manager configuration files
 * systemd-sysusers - Allocate system users and groups
 * systemd-sysusers.service - Allocate system users and groups
 * systemd-sysv-generator - Unit generator for SysV init scripts
 * systemd-time-wait-sync - Wait Until Kernel Time Synchronized
 * systemd-time-wait-sync.service - Wait Until Kernel Time Synchronized
 * systemd-timedated - Time and date bus mechanism
 * systemd-timedated.service - Time and date bus mechanism
 * systemd-timesyncd - Network Time Synchronization
 * systemd-timesyncd.service - Network Time Synchronization
 * systemd-tmpfiles - Creates, deletes and cleans up volatile and temporary files and di...
 * systemd-tmpfiles-clean.service - Creates, deletes and cleans up volatile and temporar...
 * systemd-tmpfiles-clean.timer - Creates, deletes and cleans up volatile and temporary ...
 * systemd-tmpfiles-setup-dev.service - Creates, deletes and cleans up volatile and temp...
 * systemd-tmpfiles-setup.service - Creates, deletes and cleans up volatile and temporar...
 * systemd-tty-ask-password-agent - List or process pending systemd password requests
 * systemd-udev-settle.service - Wait for all pending udev events to be handled
 * systemd-udevd - Device event managing daemon
 * systemd-udevd-control.socket - Device event managing daemon
 * systemd-udevd-kernel.socket - Device event managing daemon
 * systemd-udevd.service - Device event managing daemon
 * systemd-umount - Establish and destroy transient mount or auto-mount points
 * systemd-update-utmp - Write audit and utmp updates at bootup, runlevel changes and sh...
 * systemd-update-utmp-runlevel.service - Write audit and utmp updates at bootup, runlev...
 * systemd-update-utmp.service - Write audit and utmp updates at bootup, runlevel change...
 * systemd-user-sessions - Permit user logins after boot, prohibit user logins at shutdown
 * systemd-user-sessions.service - Permit user logins after boot, prohibit user logins a...
 * systemd-user.conf - System and session service manager configuration files
 * systemd-veritysetup - Disk integrity protection logic
 * systemd-veritysetup-generator - Unit generator for integrity protected block devices
 * systemd-veritysetup@.service - Disk integrity protection logic
 * systemd-volatile-root - Make the root file system volatile
 * systemd-volatile-root.service - Make the root file system volatile
 * systemd.automount - Automount unit configuration
 * systemd.device - Device unit configuration
 * systemd.directives - Index of configuration directives
 * systemd.dnssd - DNS-SD configuration
 * systemd.environment-generator - systemd environment file generators
 * systemd.exec - Execution environment configuration
 * systemd.generator - systemd unit generators
 * systemd.index - List all manpages from the systemd project
 * systemd.journal-fields - Special journal fields
 * systemd.kill - Process killing procedure configuration
 * systemd.link - Network device configuration
 * systemd.mount - Mount unit configuration
 * systemd.negative - DNSSEC trust anchor configuration files
 * systemd.net-naming-scheme - Network device naming schemes
 * systemd.netdev - Virtual Network Device configuration
 * systemd.network - Network configuration
 * systemd.offline-updates - Implementation of offline updates in systemd
 * systemd.path - Path unit configuration
 * systemd.positive - DNSSEC trust anchor configuration files
 * systemd.preset - Service enablement presets
 * systemd.resource-control - Resource control unit settings
 * systemd.scope - Scope unit configuration
 * systemd.service - Service unit configuration
 * systemd.slice - Slice unit configuration
 * systemd.socket - Socket unit configuration
 * systemd.special - Special systemd units
 * systemd.swap - Swap unit configuration
 * systemd.syntax - General syntax of systemd configuration files
 * systemd.target - Target unit configuration
 * systemd.time - Time and date specifications
 * systemd.timer - Timer unit configuration
 * systemd.unit - Unit configuration
 * sysusers.d - Declarative allocation of system users and groups
 * sysv_signal - signal handling with System V semantics
 * sysvipc - System V interprocess communication mechanisms
 * t1ascii - convert PostScript Type 1 font from binary to ASCII
 * t1asm - assemble PostScript Type 1 font
 * t1binary - convert PostScript Type 1 font from ASCII to binary
 * t1disasm - disassemble PostScript Type 1 font
 * t1mac - translate a PFA or PFB PostScript Type 1 font into Macintosh format
 * t1unmac - translate a Mac PostScript Type 1 font into PFA or PFB format
 * tac - concatenate and print files in reverse
 * tail - output the last part of files
 * TAILQ_CONCAT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_EMPTY - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_ENTRY - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FIRST - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FOREACH - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_FOREACH_REVERSE - implementations of singly-linked lists, singly-linked tail qu...
 * TAILQ_HEAD - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_HEAD_INITIALIZER - implementations of singly-linked lists, singly-linked tail q...
 * TAILQ_INIT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_INSERT_AFTER - implementations of singly-linked lists, singly-linked tail queue...
 * TAILQ_INSERT_BEFORE - implementations of singly-linked lists, singly-linked tail queu...
 * TAILQ_INSERT_HEAD - implementations of singly-linked lists, singly-linked tail queues...
 * TAILQ_INSERT_TAIL - implementations of singly-linked lists, singly-linked tail queues...
 * TAILQ_LAST - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_NEXT - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_PREV - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_REMOVE - implementations of singly-linked lists, singly-linked tail queues,...
 * TAILQ_SWAP - implementations of singly-linked lists, singly-linked tail queues,...
 * tan - tangent function
 * tanf - tangent function
 * tanh - hyperbolic tangent function
 * tanhf - hyperbolic tangent function
 * tanhl - hyperbolic tangent function
 * tanl - tangent function
 * tar - an archiving utility
 * tarcat - concatenates the pieces of a GNU tar multi-volume archive
 * taskset - set or retrieve a process's CPU affinity
 * tbl-dctrl - generate tabular representations of data in dctrl format
 * tc - show / manipulate traffic control settings
 * tc-bpf - BPF programmable classifier and actions for ingress/egress queuein...
 * tc-cake - Common Applications Kept Enhanced (CAKE)
 * tc-cbq - Class Based Queueing
 * tc-cbq-details - Class Based Queueing
 * tc-cbs - Credit Based Shaper (CBS) Qdisc
 * tc-cgroup - control group based traffic control filter
 * tc-choke - choose and keep scheduler
 * tc-connmark - netfilter connmark retriever action
 * tc-csum - checksum update action
 * tc-drr - deficit round robin scheduler
 * tc-ematch - extended matches for use with "basic", "cgroup" or "flow" filters
 * tc-flow - flow based traffic control filter
 * tc-flower - flow based traffic control filter
 * tc-fq_codel - Fair Queuing (FQ) with Controlled Delay (CoDel)
 * tc-hfsc - Hierarchical Fair Service Curve
 * tc-mirred - mirror/redirect action
 * tc-mpls - mpls manipulation module
 * tc-mqprio - Multiqueue Priority Qdisc (Offloaded Hardware QOS)
 * tc-nat - stateless native address translation action
 * tc-netem - Network Emulator
 * tc-pedit - generic packet editor action
 * tc-pie - Proportional Integral controller-Enhanced AQM algorithm
 * tc-police - policing action
 * tc-prio - Priority qdisc
 * tc-red - Random Early Detection
 * tc-sample - packet sampling tc action
 * tc-skbedit - SKB editing action
 * tc-skbmod - user-friendly packet editor action
 * tc-stab - Generic size table manipulations
 * tc-taprio - Time Aware Priority Shaper
 * tc-tunnel_key - Tunnel metadata manipulation
 * tc-vlan - vlan manipulation module
 * tc-xt - tc iptables action
 * tcp_table - Postfix client/server table lookup protocol
 * tcpdump - dump traffic on a network
 * tcsendbreak - get and set terminal attributes, line control, get and set baud rate
 * tcsetattr - get and set terminal attributes, line control, get and set baud rate
 * tcsetpgrp - get and set terminal foreground process group
 * tdelete - manage a binary search tree
 * tdestroy - manage a binary search tree
 * tee - duplicating pipe content
 * telldir - return current location in directory stream
 * telnet - user interface to the TELNET protocol
 * telnet.netkit - user interface to the TELNET protocol
 * term - conventions for naming terminal types
 * Term::ReadLine::Gnu (3pm)- Perl extension for the GNU Readline/History Library
 * terminal-colors.d - Configure output colorization for various utilities
 * Test::Lintian::Build -- routines to prepare the work directories
 * Test::Lintian::ConfigFile -- generic helper routines for colon-delimited configurati...
 * Test::Lintian::Filter -- Functions to select with tests to run
 * Test::Lintian::Helper -- Helper functions for various testing parts
 * Test::Lintian::Hooks -- hook routines for the test runners
 * Test::Lintian::Prepare -- routines to prepare the work directories
 * Test::Lintian::Templates -- Helper routines dealing with templates
 * Test::Mojo (3pm) - Testing Mojo
 * Test::ScriptAge -- routines relating to the age of Perl scripts
 * Test::StagedFileProducer -- mtime-based file production engine
 * Test::TypeTiny (3pm)- useful functions for testing the efficacy of type constraints
 * testparm - check an smb.conf configuration file for internal correctness
 * Text::Iconv (3pm) - Perl interface to iconv codeset conversion function
 * Text::Levenshtein (3pm)- calculate the Levenshtein edit distance between two strings
 * Text::WrapI18N (3pm)- Line wrapping module with support for multibyte, fullwidth, and co...
 * textdomain - set domain for future gettext calls
 * tfind - manage a binary search tree
 * tgamma - true gamma function
 * tgammaf - true gamma function
 * tgammal - true gamma function
 * tgatoppm - convert TrueVision Targa file into a portable pixmap
 * tgkill - send a signal to a thread
 * tgz - makes a gzip'd tar archive
 * thermal-conf.xml - Configuration file for thermal daemon
 * thermald - start Linux thermal daemon
 * thinkjettopbm - convert HP ThinkJet printer commands file to PBM
 * thunderbird - thunderbird- Mail User Agent (MUA) and newsgroup/RSS client for X...
 * tic - the terminfo entry-description compiler
 * time - run programs and summarize system resource usage
 * time - get time in seconds
 * time (3am) - time functions for gawk
 * time - overview of time and timers
 * time.conf - configuration file for the pam_time module
 * Time::Duration (3pm)- rounded or exact English expression of durations
 * Time::Zone (3pm) -- miscellaneous timezone manipulations routines
 * timedatectl - Control the system time and date
 * timegm - inverses of gmtime and localtime
 * timelocal - inverses of gmtime and localtime
 * timeout - run a command with a time limit
 * timer_create - create a POSIX per-process timer
 * timer_delete - delete a POSIX per-process timer
 * timer_getoverrun - get overrun count for a POSIX per-process timer
 * timer_gettime - arm/disarm and fetch state of POSIX per-process timer
 * timer_settime - arm/disarm and fetch state of POSIX per-process timer
 * timeradd - timeval operations
 * timerclear - timeval operations
 * timercmp - timeval operations
 * timerfd_create - timers that notify via file descriptors
 * timerfd_gettime - timers that notify via file descriptors
 * timerfd_settime - timers that notify via file descriptors
 * timerisset - timeval operations
 * timersub - timeval operations
 * times - get process times
 * timesyncd.conf - Network Time Synchronization configuration files
 * timesyncd.conf.d - Network Time Synchronization configuration files
 * timezone - initialize time conversion information
 * tipc - a TIPC configuration and management tool
 * tipc-peer - modify peer information
 * tipc-socket - show TIPC socket (port) information
 * tkill - send a signal to a thread
 * tldr - manual page for tldr 0.4.0.1
 * tldr-hs - manual page for tldr 0.4.0.1
 * tload - graphic representation of system load average
 * tlsmgr (8postfix) - Postfix TLS session cache and PRNG manager
 * tlsproxy (8postfix) - Postfix TLS proxy
 * tmpfiles.d - Configuration for creation, deletion and cleaning of volatile and ...
 * toascii - convert character to ASCII
 * top - display Linux processes
 * touch - change file timestamps
 * towctrans - wide-character transliteration
 * towlower - convert a wide character to lowercase
 * towlower_l - convert a wide character to lowercase
 * tr - translate or delete characters
 * trace (8postfix) - Postfix delivery status reports
 * tracepath - traces path to a network host discovering MTU along this path
 * traceroute6 - traces path to a network host
 * traceroute6.iputils - traces path to a network host
 * transform - apply geometric transformations to the input.
 * transicc - little cms ColorSpace conversion calculator.
 * transmission-gtk - a bittorrent client
 * transport - Postfix transport table format
 * transset - Set transparency on a window
 * tred - transitive reduction filter for directed graphs
 * trivial-rewrite (8postfix)- Postfix address rewriting and resolving daemon
 * troff - the troff processor of the groff text formatting system
 * true - do nothing, successfully
 * trunc - round to integer, toward zero
 * truncate - shrink or extend the size of a file to the specified size
 * truncate - truncate a file to a specified length
 * truncate64 - truncate a file to a specified length
 * truncf - round to integer, toward zero
 * truncl - round to integer, toward zero
 * trust - Tool for operating on the trust policy store
 * Try::Tiny (3pm) - Minimal try/catch with proper preservation of $@
 * ts - timestamp input
 * ts (1ssl) - Time Stamping Authority tool (client/server)
 * tsearch - manage a binary search tree
 * tset - terminal initialization
 * tsget (1ssl) - Time Stamping HTTP/HTTPS client
 * ttf2svg - font converter for SVG
 * tty - print the file name of the terminal connected to standard input
 * ttyslot - find the slot of the current user's terminal in some file
 * ttytype - terminal device to default terminal type mapping
 * tune2fs - adjust tunable filesystem parameters on ext2/ext3/ext4 filesystems
 * tuxcall - unimplemented system calls
 * twalk - manage a binary search tree
 * twalk_r - manage a binary search tree
 * Type::Coercion (3pm)- a set of coercions to a particular target type constraint
 * Type::Library (3pm) - tiny, yet Moo(se)-compatible type libraries
 * Type::Params (3pm) - Params::Validate-like parameter validation using Type::Tiny type c...
 * Type::Tiny (3pm) - tiny, yet Moo(se)-compatible type constraint
 * Type::Tiny::_HalfOp (3pm)- half-completed overloaded operation
 * Type::Tiny::Class (3pm)- type constraints based on the "isa" method
 * Type::Tiny::ConstrainedObject (3pm)- shared behavour for Type::Tiny::Class, etc
 * Type::Tiny::Duck (3pm)- type constraints based on the "can" method
 * Type::Tiny::Enum (3pm)- string enum type constraints
 * Type::Tiny::Intersection (3pm)- intersection type constraints
 * Type::Tiny::Manual (3pm)- an overview of Type::Tiny
 * Type::Tiny::Manual::AllTypes (3pm)- alphabetical list of all type constraints bundled wi...
 * Type::Tiny::Manual::Coercions (3pm)- advanced information on coercions
 * Type::Tiny::Manual::Contributing (3pm)- contributing to Type::Tiny development.
 * Type::Tiny::Manual::Installation (3pm)- how to install Type::Tiny
 * Type::Tiny::Manual::Libraries (3pm)- defining your own type libraries
 * Type::Tiny::Manual::NonOO (3pm)- Type::Tiny in non-object-oriented code
 * Type::Tiny::Manual::Optimization (3pm)- squeeze the most out of your CPU
 * Type::Tiny::Manual::Params (3pm)- advanced information on Type::Params
 * Type::Tiny::Manual::Policies (3pm)- Type::Tiny policies
 * Type::Tiny::Manual::UsingWithClassTiny (3pm)- use of Type::Tiny with Class::Tiny
 * Type::Tiny::Manual::UsingWithMoo (3pm)- basic use of Type::Tiny with Moo
 * Type::Tiny::Manual::UsingWithMoo2 (3pm)- advanced use of Type::Tiny with Moo
 * Type::Tiny::Manual::UsingWithMoo3 (3pm)- alternative use of Type::Tiny with Moo
 * Type::Tiny::Manual::UsingWithMoose (3pm)- how to use Type::Tiny with Moose
 * Type::Tiny::Manual::UsingWithMouse (3pm)- how to use Type::Tiny with Mouse
 * Type::Tiny::Manual::UsingWithOther (3pm)- using Type::Tiny with Class::InsideOut, Params...
 * Type::Tiny::Manual::UsingWithTestMore (3pm)- Type::Tiny for test suites
 * Type::Tiny::Role (3pm)- type constraints based on the "DOES" method
 * Type::Tiny::Union (3pm)- union type constraints
 * Type::Utils (3pm) - utility functions to make defining and using type constraints a li...
 * Types::Standard (3pm)- bundled set of built-in types for Type::Tiny
 * Types::Standard::ArrayRef (3pm)- internals for the Types::Standard ArrayRef type constraint
 * Types::Standard::CycleTuple (3pm)- internals for the Types::Standard CycleTuple type con...
 * Types::Standard::Dict (3pm)- internals for the Types::Standard Dict type constraint
 * Types::Standard::HashRef (3pm)- internals for the Types::Standard HashRef type constraint
 * Types::Standard::Map (3pm)- internals for the Types::Standard Map type constraint
 * Types::Standard::ScalarRef (3pm)- internals for the Types::Standard ScalarRef type const...
 * Types::Standard::StrMatch (3pm)- internals for the Types::Standard StrMatch type constraint
 * Types::Standard::Tied (3pm)- internals for the Types::Standard Tied type constraint
 * Types::Standard::Tuple (3pm)- internals for the Types::Standard Tuple type constraint
 * Types::TypeTiny (3pm)- type constraints used internally by Type::Tiny
 * tzfile - timezone information
 * tzname - initialize time conversion information
 * tzselect - view timezones
 * tzselect - select a timezone
 * tzset - initialize time conversion information
 * ua - Manage Ubuntu Advantage services from Canonical
 * ualarm - schedule signal after given number of microseconds
 * ubuntu-advantage - Manage Ubuntu Advantage services from Canonical
 * ucf - Update Configuration File: preserve user changes in configuration ...
 * ucf.conf - site-wide configuration file for ucf
 * ucfq - query the ucf database
 * ucfr - Update Configuration File Registry: associate packages with config...
 * udev - Dynamic device management
 * udev.conf - Configuration for device event managing daemon
 * udevadm - udev management tool
 * udisks - Disk Manager
 * udisks2.conf - The udisks2 configuration file
 * udisksctl - The udisks command line tool
 * udisksd - The udisks system daemon
 * ufw - program for managing a netfilter firewall
 * ufw-framework - using the ufw framework
 * ugetrlimit - get/set resource limits
 * umask - set file mode creation mask
 * umax_pp - SANE backend for Umax Astra parallel port flatbed scanners
 * umount.ecryptfs - eCryptfs umount helper.
 * umount.ecryptfs_private - eCryptfs private unmount helper.
 * umount.udisks2 - unmount file systems that have been mounted by UDisks2
 * uname - print system information
 * uname - get name and information about current kernel
 * undocumented - undocumented library functions
 * unflatten - adjust directed graphs to improve layout aspect ratio
 * unicode - universal character set
 * Unicode::UTF8 (3pm) - Encoding and decoding of UTF-8 encoding form
 * unicode_start - put keyboard and console in unicode mode
 * unicode_stop - revert keyboard and console from unicode mode
 * units - decimal and binary prefixes
 * unix - sockets for local interprocess communication
 * unix_chkpwd - Helper binary that verifies the password of the current user
 * unix_update - Helper binary that updates the password of a given user
 * unlink - call the unlink function to remove the specified file
 * unlink - delete a name and possibly the file it refers to
 * unlinkat - delete a name and possibly the file it refers to
 * unlocked_stdio - nonlocking stdio functions
 * unlockpt - unlock a pseudoterminal master/slave pair
 * unpack200 - Transforms a packed file produced by pack200 into a JAR file fo...
 * unrar - extract files from rar archives
 * unrar-nonfree - extract files from rar archives
 * unshare - run program with some namespaces unshared from parent
 * unshare - disassociate parts of the process execution context
 * unshield - extract CAB files from an InstallShield installer archive
 * unzip - list, test and extract compressed files in a ZIP archive
 * unzipsfx - self-extracting stub for prepending to ZIP archives
 * update-binfmts - maintain registry of executable binary formats
 * update-ca-certificates - update /etc/ssl/certs and ca-certificates.crt
 * update-cracklib - Regenerate cracklib dictionary
 * update-default-aspell - rebuild aspell database and emacsen stuff
 * update-default-ispell - update default ispell dictionary
 * update-desktop-database - Build cache database of MIME types handled by desktop files
 * update-dictcommon-aspell - rebuild aspell database and emacsen stuff
 * update-dictcommon-hunspell - rebuild hunspell database and emacsen stuff
 * update-fonts-scale - generate fonts.scale files
 * update-icon-caches - Update wrapper script for the icon caches
 * update-inetd - create, remove, enable or disable entry /etc/inetd.conf
 * update-info-dir - update or create index file from all installed info files in direc...
 * update-initramfs.conf - configuration file for update-initramfs
 * update-java-alternatives - update alternatives for jre/sdk installations
 * update-locale - Modify global locale settings
 * update-mime - create or update MIME information
 * update-mime-database - a program to build the Shared MIME-Info database cache
 * update-motd - dynamic MOTD generation
 * update-pciids - download new version of the PCI ID list
 * update-rc.d - install and remove System-V style init script links
 * updatedb.conf - a configuration file for updatedb
 * updwtmp - append an entry to the wtmp file
 * updwtmpx - append an entry to the wtmp file
 * upower - UPower command line tool
 * upowerd - UPower Daemon
 * uptime - Tell how long the system has been running.
 * urandom - kernel random number source devices
 * URI::_punycode (3pm)- encodes Unicode string in Punycode
 * URI::Escape (3pm) - Percent-encode and percent-decode unsafe characters
 * URI::ldap (3pm) - LDAP Uniform Resource Locators
 * URI::QueryParam (3pm)- Additional query methods for URIs
 * URI::Split (3pm) - Parse and compose URI strings
 * URI::URL (3pm) - Uniform Resource Locators
 * URI::WithBase (3pm) - URIs which remember their base
 * usb-devices - print USB device details
 * usb_modeswitch - control the mode of 'multi-state' USB devices
 * usb_modeswitch_dispatcher - Linux wrapper for usb_modeswitch (not intended for direct...
 * usb_printerid - prints the ID of the printer on a USB port
 * usbhid-dump - dump USB HID device report descriptors and streams
 * usbmuxd - Expose a socket to multiplex connections from and to iOS devices.
 * uselocale - set/get the locale for the calling thread
 * user-dirs.conf - configuration for xdg-user-dirs-update
 * user-dirs.defaults - default settings for XDG user dirs
 * user-dirs.dirs - settings for XDG user dirs
 * user-runtime-dir@.service - System units to manage user processes
 * user.conf.d - System and session service manager configuration files
 * user@.service - System units to manage user processes
 * useradd - create a new user or update default new user information
 * userfaultfd - create a file descriptor for handling page faults in user space
 * users - print the user names of users currently logged in to the current host
 * usleep - suspend execution for microsecond intervals
 * utf-8 - an ASCII compatible multibyte Unicode encoding
 * utime - change file last access and modification times
 * utimensat - change file timestamps with nanosecond precision
 * utimes - change file last access and modification times
 * UUID (3pm) - DCE compatible Universally Unique Identifier library for Perl
 * uuidd - UUID generation daemon
 * uuidgen - create a new UUID value
 * uuidparse - a utility to parse unique identifiers
 * uz - gunzips and extracts a gzip'd tar'd archive
 * va_start - variable argument lists
 * variables - Format of specifying variable names to SNMP tools.
 * vasprintf - print to allocated string
 * vboxheadless - x86 virtualization solution
 * vboxmanage - x86 virtualization solution
 * vboxsdl - x86 virtualization solution
 * vboxwebsrv - x86 virtualization solution
 * vcs - virtual console memory
 * vcsa - virtual console memory
 * vcstime - Show time in upper right hand corner of the console screen
 * vcut - cuts Ogg Vorbis files
 * vdir - list directory contents
 * vdprintf - formatted output conversion
 * vdso - overview of the virtual ELF dynamic shared object
 * verify (8postfix) - Postfix address verification server
 * veritysetup - manage dm-verity (block level verification) volumes
 * version (1ssl) - print OpenSSL version information
 * versionsort - scan a directory for matching entries
 * veth - Virtual Ethernet Device
 * vfprintf - formatted output conversion
 * vfscanf - input format conversion
 * vfwprintf - formatted wide-character output conversion
 * vgcfgbackup - Backup volume group configuration
 * vgcfgrestore - Restore volume group configuration
 * vgchange - Change volume group attributes
 * vgck - Check the consistency of volume group
 * vgconvert - Change volume group metadata format
 * vgcreate - Create a volume group
 * vgdisplay - Display volume group information
 * vgexport - Unregister volume group from the system
 * vgextend - Add physical volumes to a volume group
 * vgimport - Register exported volume group with system
 * vgimportclone - Import a VG from cloned PVs
 * vgmerge - Merge volume groups
 * vgmknodes - Create the special files for volume group devices in /dev
 * vgreduce - Remove physical volume from a volume group
 * vgremove - Remove volume group
 * vgrename - Rename a volume group
 * vgs - Display information about volume groups
 * vgscan - Search for all volume groups
 * vgsplit - Move physical volumes into a new or existing volume group
 * vhangup - virtually hangup the current terminal
 * vi - Vi IMproved, a programmer's text editor
 * vidir - edit directories and filenames
 * view - Vi IMproved, a programmer's text editor
 * vigr - edit the password, group, shadow-password or shadow-group file
 * vim - Vi IMproved, a programmer's text editor
 * vimdiff - edit two, three or four versions of a file with Vim and show diffe...
 * vimdot - Combined text editor and dot viewer
 * vimtutor - the Vim tutor
 * vipw - edit the password, group, shadow-password or shadow-group file
 * virtual - Postfix virtual alias table format
 * virtual (8postfix) - Postfix virtual domain mail delivery agent
 * virtualbox - x86 virtualization solution
 * visudo - edit the sudoers file
 * vlc - the VLC media player
 * vlc-wrapper - a wrapper to drop privileges with VLC
 * vm86 - enter virtual 8086 mode
 * vm86old - enter virtual 8086 mode
 * vmsplice - splice user pages to/from a pipe
 * vmstat - Report virtual memory statistics
 * vmware - VMware SVGA video driver
 * vorbiscomment - List or edit comments in Ogg Vorbis files
 * vorbistagedit - allows batch editing of vorbis comments with an editor
 * vpddecode - VPD structure decoder
 * vprintf - formatted output conversion
 * vscanf - input format conversion
 * vsnprintf - formatted output conversion
 * vsprintf - formatted output conversion
 * vsscanf - input format conversion
 * vstp - VisioBraille file transferring
 * vswprintf - formatted wide-character output conversion
 * vsyslog - send messages to the system logger
 * vtimes - get resource usage
 * vwprintf - formatted wide-character output conversion
 * w - Show who is logged on and what they are doing.
 * w.procps - Show who is logged on and what they are doing.
 * w3m - a text based web browser and pager
 * w3mman - an interface to the on-line reference manuals via w3m
 * watch - execute a program periodically, showing output fullscreen
 * watchgnupg - Read and print logs from a socket
 * wavelan - AT&T GIS WaveLAN ISA device driver
 * wbmptopbm - convert a wireless bitmap (wbmp) file to a portable bitmap (pbm)
 * wc - print newline, word, and byte counts for each file
 * wcpncpy - copy a fixed-size string of wide characters, returning a pointer t...
 * wcrtomb - convert a wide character to a multibyte sequence
 * wcscasecmp - compare two wide-character strings, ignoring case
 * wcscat - concatenate two wide-character strings
 * wcschr - search a wide character in a wide-character string
 * wcscmp - compare two wide-character strings
 * wcscpy - copy a wide-character string
 * wcscspn - search a wide-character string for any of a set of wide characters
 * wcslen - determine the length of a wide-character string
 * wcsncasecmp - compare two fixed-size wide-character strings, ignoring case
 * wcsncat - concatenate two wide-character strings
 * wcsncmp - compare two fixed-size wide-character strings
 * wcsncpy - copy a fixed-size string of wide characters
 * wcsnlen - determine the length of a fixed-size wide-character string
 * wcsnrtombs - convert a wide-character string to a multibyte string
 * wcsrtombs - convert a wide-character string to a multibyte string
 * wcstoimax - convert wide-character string to integer
 * wcstok - split wide-character string into tokens
 * wcstombs - convert a wide-character string to a multibyte string
 * wcstoumax - convert wide-character string to integer
 * wcswidth - determine columns needed for a fixed-size wide-character string
 * wctob - try to represent a wide character as a single byte
 * wctomb - convert a wide character to a multibyte sequence
 * wctrans - wide-character translation mapping
 * wctype - wide-character classification
 * wdctl - show hardware watchdog status
 * WebService::MusicBrainz (3pm)- (unknown subject)
 * WebService::MusicBrainz::Request (3pm)- (unknown subject)
 * whatis - display one-line manual page descriptions
 * whereis - locate the binary, source, and manual page files for a command
 * whiptail - display dialog boxes from shell scripts
 * wine - run Windows programs on Unix
 * wine-stable - run Windows programs on Unix
 * wine64 - run Windows programs on Unix
 * wine64-stable - run Windows programs on Unix
 * wineboot - perform Wine initialization, startup, and shutdown tasks
 * wineboot-stable - perform Wine initialization, startup, and shutdown tasks
 * winecfg - Wine Configuration Editor
 * winecfg-stable - Wine Configuration Editor
 * wineconsole - The Wine console
 * wineconsole-stable - The Wine console
 * winedbg - Wine debugger
 * winedbg-stable - Wine debugger
 * winefile - Wine File Manager
 * winefile-stable - Wine File Manager
 * winepath - Tool to convert Unix paths to/from Win32 paths
 * winepath-stable - Tool to convert Unix paths to/from Win32 paths
 * wineserver - the Wine server
 * wineserver-stable - the Wine server
 * winicontoppm - convert a Windows .ico file into 1 or more portable pixmap files
 * wipefs - wipe a signature from a device
 * wireless - Wireless Tools and Wireless Extensions
 * wmctrl - interact with a EWMH/NetWM compatible X Window Manager.
 * wmemset - fill an array of wide-characters with a constant wide character
 * wodim - write data to optical disk media
 * word-list-compress - word list compressor/decompressor for GNU Aspell
 * wordgrinder - console-based word processor
 * wp-setup - wordpress setup for Debian
 * wpa_action - wpa_cli action script
 * wpa_background - Background information on Wi-Fi Protected Access and IEEE 802.11i
 * wpa_passphrase - Generate a WPA PSK from an ASCII passphrase for a SSID
 * wpa_supplicant - Wi-Fi Protected Access client and IEEE 802.1X supplicant
 * wpa_supplicant.conf - configuration file for wpa_supplicant
 * wprintf - formatted wide-character output conversion
 * write - send a message to another user
 * write - write to a file descriptor
 * rwarray (3am) - write and read gawk arrays to/from files
 * www-browser - a text based web browser and pager
 * X - a portable, network-transparent window system
 * x-terminal-emulator - is a terminal emulation application.
 * x-window-manager - minimal GTK3 Window Manager
 * X11::Protocol (3pm) - Perl module for the X Window System Protocol, version 11
 * X11::Protocol::Connection (3pm)- Perl module abstract base class for X11 client to serve...
 * X11::Protocol::Connection::FileHandle (3pm)- Perl module base class for FileHandle-based...
 * X11::Protocol::Connection::INETFH (3pm)- Perl module for FileHandle-based TCP/IP X11 con...
 * X11::Protocol::Connection::INETSocket (3pm)- Perl module for IO::Socket::INET-based X11 ...
 * X11::Protocol::Connection::Socket (3pm)- Perl module base class for IO::Socket-based X11...
 * X11::Protocol::Connection::UNIXFH (3pm)- Perl module for FileHandle-based Unix-domain X1...
 * X11::Protocol::Connection::UNIXSocket (3pm)- Perl module for IO::Socket::UNIX-based X11 ...
 * X11::Protocol::Ext::BIG_REQUESTS (3pm)- Perl module for the X11 protocol Big Requests ex...
 * X11::Protocol::Ext::DPMS (3pm)- Perl module for the X11 Protocol DPMS Extension
 * X11::Protocol::Ext::RENDER (3pm)- Perl module for the X Rendering Extension
 * X11::Protocol::Ext::SHAPE (3pm)- Perl module for the X11 Protocol Nonrectangular Window ...
 * X11::Protocol::Ext::XC_MISC (3pm)- Perl module for the X11 Protocol XC-MISC Extension
 * X11::Protocol::Ext::XFree86_Misc (3pm)- Perl module for the XFree86 Misc Extension
 * X25519 (7ssl) - EVP_PKEY X25519 and X448 support
 * X448 (7ssl) - EVP_PKEY X25519 and X448 support
 * x509 (1ssl) - Certificate display and signing utility
 * x509v3_config (5ssl)- X509 V3 certificate extension configuration format
 * x86_64 - change reported architecture in new program environment and/or set...
 * x86_64-linux-gnu-as - the portable GNU assembler.
 * x86_64-linux-gnu-cpp - The C Preprocessor
 * x86_64-linux-gnu-cpp-9 - The C Preprocessor
 * x86_64-linux-gnu-dwp - The DWARF packaging utility
 * x86_64-linux-gnu-gcc-ar - a wrapper around ar adding the--plugin option
 * x86_64-linux-gnu-gcc-ar-9 - a wrapper around ar adding the--plugin option
 * x86_64-linux-gnu-gcc-nm - a wrapper around nm adding the--plugin option
 * x86_64-linux-gnu-gcc-nm-9 - a wrapper around nm adding the--plugin option
 * x86_64-linux-gnu-gcc-ranlib - a wrapper around ranlib adding the--plugin option
 * x86_64-linux-gnu-gcc-ranlib-9 - a wrapper around ranlib adding the--plugin option
 * x86_64-linux-gnu-gcov - coverage testing tool
 * x86_64-linux-gnu-gcov-9 - coverage testing tool
 * x86_64-linux-gnu-gold - The GNU ELF linker
 * x86_64-linux-gnu-gprof - display call graph profile data
 * x86_64-linux-gnu-ld - The GNU linker
 * x86_64-linux-gnu-ld.bfd - The GNU linker
 * x86_64-linux-gnu-ld.gold - The GNU ELF linker
 * x86_64-linux-gnu-objcopy - copy and translate object files
 * x86_64-linux-gnu-objdump - display information from object files
 * x86_64-linux-gnu-python3-config - output build options for python C/C++ extensions or...
 * x86_64-linux-gnu-python3.8-config - output build options for python C/C++ extensions ...
 * x86_64-linux-gnu-readelf - display information about ELF files
 * x86_64-linux-gnu-size - list section sizes and total size of binary files
 * x86_64-linux-gnu-strings - print the sequences of printable characters in files
 * x86_64-linux-gnu-strip - discard symbols and other data from object files
 * xargs - build and execute command lines from standard input
 * xattr - Extended attributes
 * Xau - X authority database routines
 * XauDisposeAuth - X authority database routines
 * XauFileName - X authority database routines
 * XauGetAuthByAddr - X authority database routines
 * XauGetBestAuthByAddr - X authority database routines
 * XauLockAuth - X authority database routines
 * XauReadAuth - X authority database routines
 * xauth - X authority file utility
 * XauUnlockAuth - X authority database routines
 * XauWriteAuth - X authority database routines
 * xbrlapi - X11 BrlAPI helper for Linux/Unix
 * xcalc - scientific calculator for X
 * xclip - command line interface to X selections (clipboard)
 * xclip-copyfile - copy and move files via the X clipboard
 * xclip-cutfile - copy and move files via the X clipboard
 * xclip-pastefile - copy and move files via the X clipboard
 * xclipboard - X clipboard client
 * xcmsdb - Device Color Characterization utility for X Color Management System
 * xconsole - monitor system console messages with X
 * XConsortium - X Consortium information
 * xcrypt - RFS password encryption
 * xcursorgen - create an X cursor file from a collection of PNG images
 * xcutsel - interchange between cut buffer and selection
 * xdecrypt - RFS password encryption
 * xdg-dbus-proxy - D-Bus proxy
 * xdg-desktop-icon - command line tool for (un)installing icons to the desktop
 * xdg-desktop-menu - command line tool for (un)installing desktop menu items
 * xdg-email - command line tool for sending mail using the user's preferred e-ma...
 * xdg-icon-resource - command line tool for (un)installing icon resources
 * xdg-mime - command line tool for querying information about file type handlin...
 * xdg-open - opens a file or URL in the user's preferred application
 * xdg-screensaver - command line tool for controlling the screensaver
 * xdg-settings - get various settings from the desktop environment
 * xdg-user-dir - Find an XDG user dir
 * xdg-user-dirs-update - Update XDG user dir configuration
 * xditview - display ditroff output
 * xdosemu - run DOS and DOS programs under Linux
 * xdpyinfo - display information utility for X
 * xdr - library routines for external data representation
 * xdr_accepted_reply - library routines for remote procedure calls
 * xdr_array - library routines for external data representation
 * xdr_authunix_parms - library routines for remote procedure calls
 * xdr_bool - library routines for external data representation
 * xdr_bytes - library routines for external data representation
 * xdr_callhdr - library routines for remote procedure calls
 * xdr_callmsg - library routines for remote procedure calls
 * xdr_char - library routines for external data representation
 * xdr_destroy - library routines for external data representation
 * xdr_double - library routines for external data representation
 * xdr_enum - library routines for external data representation
 * xdr_float - library routines for external data representation
 * xdr_free - library routines for external data representation
 * xdr_getpos - library routines for external data representation
 * xdr_inline - library routines for external data representation
 * xdr_int - library routines for external data representation
 * xdr_long - library routines for external data representation
 * xdr_opaque - library routines for external data representation
 * xdr_opaque_auth - library routines for remote procedure calls
 * xdr_pmap - library routines for remote procedure calls
 * xdr_pmaplist - library routines for remote procedure calls
 * xdr_pointer - library routines for external data representation
 * xdr_reference - library routines for external data representation
 * xdr_rejected_reply - library routines for remote procedure calls
 * xdr_replymsg - library routines for remote procedure calls
 * xdr_setpos - library routines for external data representation
 * xdr_short - library routines for external data representation
 * xdr_string - library routines for external data representation
 * xdr_u_char - library routines for external data representation
 * xdr_u_int - library routines for external data representation
 * xdr_u_long - library routines for external data representation
 * xdr_u_short - library routines for external data representation
 * xdr_union - library routines for external data representation
 * xdr_vector - library routines for external data representation
 * xdr_void - library routines for external data representation
 * xdr_wrapstring - library routines for external data representation
 * xdriinfo - query configuration information of DRI drivers
 * xdrmem_create - library routines for external data representation
 * xdrrec_create - library routines for external data representation
 * xdrrec_endofrecord - library routines for external data representation
 * xdrrec_eof - library routines for external data representation
 * xdrrec_skiprecord - library routines for external data representation
 * xdrstdio_create - library routines for external data representation
 * xedit - simple text editor for X
 * xencrypt - RFS password encryption
 * Xephyr - X server outputting to a window on a pre-existing X display
 * xev - print contents of X events
 * xeyes - a follow the mouse X demo
 * xfd - display all the characters in an X font
 * xfontsel - point and click selection of X11 font names
 * xfs - layout, mount options, and supported file attributes for the XFS f...
 * xfs_copy - copy the contents of an XFS filesystem
 * xfs_estimate - estimate the space that an XFS filesystem will take
 * xfs_info - display XFS filesystem geometry information
 * xfs_io - debug the I/O path of an XFS filesystem
 * xfs_logprint - print the log of an XFS filesystem
 * xfs_mdrestore - restores an XFS metadump image to a filesystem image
 * xfs_rtcp - XFS realtime copy command
 * xfs_scrub - check and repair the contents of a mounted XFS filesystem
 * xfs_scrub_all - scrub all mounted XFS filesystems
 * xfs_spaceman - show free space information about an XFS filesystem
 * xgamma - Alter a monitor's gamma correction through the X server
 * ximtoppm - convert an Xim file into a portable pixmap
 * xinit - X Window System initializer
 * xinput - utility to configure and test X input devices
 * xkbcomp - compile XKB keyboard description
 * xkbprint - print an XKB keyboard description
 * xkeyboard-config - XKB data description files
 * xload - system load average display for X
 * xlogo - X Window System logo
 * xlsclients - list client applications running on a display
 * xlsfonts - server font list displayer for X
 * xmag - magnify parts of the screen
 * xman - Manual page display program for the X Window System
 * xmessage - display a message or query in a window (X-based /bin/echo)
 * XML::LibXML (3pm) - Perl Binding for libxml2
 * XML::LibXML::CDATASection (3pm)- XML::LibXML Class for CDATA Sections
 * XML::LibXML::Common (3pm)- Constants and Character Encoding Routines
 * XML::LibXML::Devel (3pm)- makes functions from LibXML.xs available
 * XML::LibXML::DocumentFragment (3pm)- XML::LibXML's DOM L2 Document Fragment Implementation
 * XML::LibXML::DOM (3pm)- XML::LibXML DOM Implementation
 * XML::LibXML::ErrNo (3pm)- Structured Errors
 * XML::LibXML::Error (3pm)- Structured Errors
 * XML::LibXML::Literal (3pm)- Simple string values.
 * XML::LibXML::Namespace (3pm)- XML::LibXML Namespace Implementation
 * XML::LibXML::Number (3pm)- Simple numeric values.
 * XML::LibXML::Parser (3pm)- Parsing XML Data with XML::LibXML
 * XML::LibXML::Pattern (3pm)- XML::LibXML::Pattern- interface to libxml2 XPath patterns
 * XML::LibXML::PI (3pm)- XML::LibXML Processing Instructions
 * XML::LibXML::Reader (3pm)- XML::LibXML::Reader- interface to libxml2 pull parser
 * XML::LibXML::RegExp (3pm)- XML::LibXML::RegExp- interface to libxml2 regular expressions
 * XML::LibXML::RelaxNG (3pm)- RelaxNG Schema Validation
 * XML::LibXML::SAX::Builder (3pm)- Building DOM trees from SAX events.
 * XML::LibXML::SAX::Generator (3pm)- Generate SAX events from a LibXML tree
 * XML::LibXML::Schema (3pm)- XML Schema Validation
 * XML::LibXML::XPathContext (3pm)- XPath Evaluation
 * XML::LibXML::XPathExpression (3pm)- XML::LibXML::XPathExpression- interface to libxml2 ...
 * XML::NamespaceSupport (3pm)- A simple generic namespace processor
 * XML::Parser::Expat (3pm)- Lowlevel access to James Clark's expat XML parser
 * XML::SAX::PurePerl::Reader (3pm)- Abstract Reader factory class
 * XML::Parser::Style::Tree (3pm)- Tree style parser
 * XML::SAX (3pm) - Simple API for XML
 * XML::SAX::DocumentLocator (3pm)- Helper class for document locators
 * XML::SAX::Exception (3pm)- Exception classes for XML::SAX
 * XML::SAX::Intro (3pm)- An Introduction to SAX Parsing with Perl
 * XML::SAX::ParserFactory (3pm)- Obtain a SAX parser
 * XML::SAX::PurePerl (3pm)- Pure Perl XML Parser with SAX2 interface
 * XML::Twig (3pm) - A perl module for processing huge XML documents in tree mode.
 * XML::Writer (3pm) - Perl extension for writing XML documents.
 * XML::XPathEngine (3pm)- a re-usable XPath engine for DOM-like trees
 * XML::XPathEngine::Boolean (3pm)- Boolean true/false values
 * XML::XPathEngine::Literal (3pm)- Simple string values.
 * XML::XPathEngine::NodeSet (3pm)- a list of XML document nodes
 * XML::XPathEngine::Number (3pm)- Simple numeric values.
 * xmodmap - utility for modifying keymaps and pointer button mappings in X
 * xmore - plain text display program for the X Window System
 * Xorg - X11R7 X server
 * xorg.conf - configuration files for Xorg X server
 * xorg.conf.d - configuration files for Xorg X server
 * XOrgFoundation - X.Org Foundation information
 * xpmtoppm - convert an X11 pixmap into a portable pixmap
 * XProjectTeam - X.Org Group information
 * xprop - property displayer for X
 * xprt_register - library routines for remote procedure calls
 * xprt_unregister - library routines for remote procedure calls
 * xqxdecode - Decode a XQX stream into human readable form.
 * xreader-previewer - show print preview for a document
 * xreader-thumbnailer - create png thumbnails from xreader supported documents
 * xrefresh - refresh all or part of an X screen
 * Xsecurity - X display access control
 * Xserver - X Window System display server
 * Xsession.options - configuration options for Xsession
 * xsetmode - set the mode for an X Input device
 * xsetpointer - set an X Input device as the main pointer
 * xsetroot - root window parameter setting utility for X
 * xsetwacom - commandline utility to query and modify wacom driver settings.
 * xsm - X Session Manager
 * XStandards - X Window System Standards and Specifications
 * xstdcmap - X standard colormap utility
 * xtables-legacy - iptables using old getsockopt/setsockopt-based kernel api
 * xtables-legacy-multi - iptables using old getsockopt/setsockopt-based kernel api
 * xtables-monitor - show changes to rule set and trace-events
 * xtables-multi - xtables multi-link binary for netfilter's iptables and ip6tables
 * xtables-translate - translation tool to migrate from iptables to nftables
 * XtAddActions - register an action table
 * XtAddCallback - add and remove callback procedures
 * XtAddCallbacks - add and remove callback procedures
 * XtAddExposureToRegion - merge exposure events into a region
 * XtAddInput - register input, timeout, and workprocs
 * XtAddTimeOut - register input, timeout, and workprocs
 * XtAddWorkProc - register input, timeout, and workprocs
 * XtAllocateGC - obtain a sharable GC with modifiable fields
 * XtAppAddActionHook - register an action hook procedure
 * XtAppAddActions - register an action table
 * XtAppAddBlockHook - register a block hook procedure
 * XtAppAddTimeOut - register and remove timeouts
 * XtAppAddWorkProc - Add and remove background processing procedures
 * XtAppGetExitFlag - thread support functions
 * XtAppGetSelectionTimeout - set and obtain selection timeout values
 * XtAppInitialize - initialize, open, or close a display
 * XtAppLock - lock and unlock application context
 * XtAppReleaseCacheRefs - decrement reference counts for resources
 * XtAppSetExitFlag - thread support functions
 * XtAppSetFallbackResources - set fallback resources
 * XtAppSetSelectionTimeout - set and obtain selection timeout values
 * XtAppUnlock - lock and unlock application context
 * XtAsprintf - memory management functions
 * XtAugmentTranslations - manage translation tables
 * XtBuildEventMask - retrieve a widget's event mask
 * XtCallAcceptFocus - calla widget's accept_focus procedure
 * XtCallActionProc - invoke an action procedure directly
 * XtCalloc - memory management functions
 * XtCancelSelectionRequest - bundle multiple selection conversion requests into a singl...
 * XtClass - obtain and verify a widget's class
 * XtCloseDisplay - initialize, open, or close a display
 * XtConfigureWidget - move and resize widgets
 * XtConvertAndStore - invoke resource converters
 * XtCreateApplicationContext - create, destroy, and obtain an application context
 * XtCreateApplicationShell - create top-level widget instance
 * XtCreateSelectionRequest - bundle multiple selection conversion requests into a singl...
 * XtCreateWindow - window creation convenience function
 * XtDatabase - initialize, open, or close a display
 * XtDestroyApplicationContext - create, destroy, and obtain an application context
 * XtDisownSelection - set selection owner
 * XtDisplay - obtain window information about a widget
 * XtDisplayInitialize - initialize, open, or close a display
 * XtDisplayOfObject - obtain window information about a widget
 * XtDisplayStringConversionWarning - issue a conversion warning message
 * XtDisplayToApplicationContext - obtain an application context
 * XtFindFile - search for a file using substitutions in the path list
 * XtFree - memory management functions
 * XtGetActionKeysym - obtain corresponding keysym
 * XtGetActionList - obtain class action list
 * XtGetApplicationNameAndClass - retrieve application name and class
 * XtGetApplicationResources - obtain application resources
 * XtGetClassExtension - locate a class extension record
 * XtGetDisplays - retrieve a list of displays associated with an application context
 * XtGetKeyboardFocusWidget - extension event handling
 * XtGetKeysymTable - query keysyms and keycodes
 * XtGetMultiClickTime - set and get multi-click times
 * XtGetSelectionParameters - retrieve target parameters for a selection request with a ...
 * XtGetSelectionRequest - retrieve the event that triggered the XtConvertSelectionProc
 * XtGetSelectionTimeout - set and obtain selection timeout values
 * XtGetSelectionValue - obtain selection values
 * XtGetSelectionValueIncremental - obtain selection values
 * XtGetSelectionValues - obtain selection values
 * XtGetSelectionValuesIncremental - obtain selection values
 * XtHasCallbacks - process callbacks
 * XtHooksOfDisplay - external agent access points
 * XtInitialize - initialize
 * XtInitializeWidgetClass - initialize a widget class
 * XtInsertEventHandler - add and remove event handlers
 * XtInsertEventTypeHandler - extension event handling
 * XtInsertRawEventHandler - add and remove event handlers
 * XtInstallAccelerators - managing accelerator tables
 * XtInstallAllAccelerators - managing accelerator tables
 * XtIsApplicationShell - obtain and verify a widget's class
 * XtIsComposite - obtain and verify a widget's class
 * XtIsConstraint - obtain and verify a widget's class
 * XtIsManaged - manage and unmanage children
 * XtIsSensitive - set and check a widget's sensitivity state
 * XtIsShell - obtain and verify a widget's class
 * XtIsTransientShell - obtain and verify a widget's class
 * XtKeysymToKeycodeList - query keysyms and keycodes
 * XtLastEventProcessed - last event, last timestamp processed
 * XtLastTimestampProcessed - last event, last timestamp processed
 * XtMalloc - memory management functions
 * XtNameToWidget - translating strings to widgets or widgets to windows
 * XtNew - memory management functions
 * XtNewString - memory management functions
 * XtNumber - determine the byte offset or number of array elements
 * XtOffset - determine the byte offset or number of array elements
 * XtOffsetOf - determine the byte offset or number of array elements
 * XtOpenApplication - initialize, open, or close a display
 * XtOpenDisplay - initialize, open, or close a display
 * XtOverrideTranslations - manage translation tables
 * XtOwnSelection - set selection owner
 * XtOwnSelectionIncremental - set selection owner
 * XtParseAcceleratorTable - managing accelerator tables
 * XtParseTranslationTable - manage translation tables
 * XtPopupSpringLoaded - map a pop-up
 * XtProcessLock - lock and unlock process
 * XtQueryGeometry - query the preferred geometry of a child widget
 * XtRealloc - memory management functions
 * XtRegisterCaseConverter - convert KeySym to KeyCodes
 * XtRegisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtRegisterExtensionSelector - extension event handling
 * XtRegisterGrabAction - register button and key grabs
 * XtRemoveActionHook - register an action hook procedure
 * XtRemoveAllCallbacks - add and remove callback procedures
 * XtRemoveBlockHook - register a block hook procedure
 * XtRemoveCallback - add and remove callback procedures
 * XtRemoveCallbacks - add and remove callback procedures
 * XtRemoveRawEventHandler - add and remove event handlers
 * XtRemoveTimeOut - register and remove timeouts
 * XtRemoveWorkProc - Add and remove background processing procedures
 * XtResolvePathname - search for a file using standard substitution
 * XtScreen - obtain window information about a widget
 * XtScreenDatabase - initialize, open, or close a display
 * XtScreenOfObject - obtain window information about a widget
 * XtSendSelectionRequest - bundle multiple selection conversion requests into a single ...
 * XtSessionGetToken - token management for checkpointing
 * XtSessionReturnToken - token management for checkpointing
 * XtSetArg - set and merge ArgLists
 * XtSetKeyboardFocus - focus events on a child widget
 * XtSetKeyTranslator - convert KeySym to KeyCodes
 * XtSetLanguageProc - set the language procedure
 * XtSetMappedWhenManaged - map and unmap widgets
 * XtSetMultiClickTime - set and get multi-click times
 * XtSetSelectionParameters - specify target parameters for a selection request with a s...
 * XtSetSelectionTimeout - set and obtain selection timeout values
 * XtSetSensitive - set and check a widget's sensitivity state
 * XtSetWMColormapWindows - Set the value of the WM_COLORMAP_WINDOWS property
 * XtSuperclass - obtain and verify a widget's class
 * XtToolkitInitialize - create, destroy, and obtain an application context
 * XtToolkitThreadInitialize - initialize the toolkit for multiple threads
 * XtTranslateCoords - translate widget coordinates
 * XtTranslateKeycode - convert KeySym to KeyCodes
 * XtUninstallTranslations - manage translation tables
 * XtUnregisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtVaAppCreateShell - create top-level widget instance
 * XtVaAppInitialize - initialize, open, or close a display
 * XtVaCreateArgsList - dynamically allocate a varargs list
 * XtVaCreateManagedWidget - create and destroy widgets
 * XtVaCreatePopupShell - create a popup shell
 * XtVaCreateWidget - create and destroy widgets
 * XtVaGetApplicationResources - obtain application resources
 * XtVaGetSubresources - obtain subresources
 * XtVaGetSubvalues - obtain and set widget resources
 * XtVaGetValues - obtain and set widget resources
 * XtVaOpenApplication - initialize, open, or close a display
 * XtVaSetSubvalues - obtain and set widget resources
 * XtVaSetValues - obtain and set widget resources
 * XtWidgetToApplicationContext - create, destroy, and obtain an application context
 * XtWindow - obtain window information about a widget
 * XtWindowOfObject - obtain window information about a widget
 * XtWindowToWidget - translating strings to widgets or widgets to windows
 * xvidtune - video mode tuner for Xorg
 * xviewer - an image viewer
 * xvinfo - Print out X-Video extension adaptor information
 * xvminitoppm - convert a XV "thumbnail" picture to PPM
 * xwininfo - window information utility for X
 * Xwrapper.config - Xorg X server binary wrapper
 * xwud - image displayer for X
 * xxd - make a hexdump or do the reverse.
 * xzcmp - compare compressed files
 * xzdiff - compare compressed files
 * xzegrep - search compressed files for a regular expression
 * xzfgrep - search compressed files for a regular expression
 * xzgrep - search compressed files for a regular expression
 * xzless - view xz or lzma compressed (text) files
 * xzmore - view xz or lzma compressed (text) files
 * y0 - Bessel functions of the second kind
 * y0f - Bessel functions of the second kind
 * y0l - Bessel functions of the second kind
 * y1 - Bessel functions of the second kind
 * y1f - Bessel functions of the second kind
 * y1l - Bessel functions of the second kind
 * yacc - GNU Project parser generator
 * YAML::LibYAML (3pm) - Perl YAML Serialization using XS and libyaml
 * YAML::Tiny (3pm) - Read/Write YAML files with as little code as possible
 * YAML::XS (3pm) - Perl YAML Serialization using XS and libyaml
 * yelp - browse system documentation
 * yn - Bessel functions of the second kind
 * ynf - Bessel functions of the second kind
 * ynl - Bessel functions of the second kind
 * youtube-dl - download videos from youtube.com or other video platforms
 * ypdomainname - show or set the system's NIS/YP domain name
 * yuvsplittoppm - convert a Y- and a U- and a V-file into a portable pixmap
 * yuvtoppm - convert Abekas YUV bytes into a portable pixmap
 * zcmp - compare compressed files
 * zdiff - compare compressed files
 * zdump - timezone dumper
 * zegrep - search possibly compressed files for a regular expression
 * zenity - display GTK+ dialogs
 * zfgrep - search possibly compressed files for a regular expression
 * zforce - force a '.gz' extension on all gzip files
 * zgrep - search possibly compressed files for a regular expression
 * zic - timezone compiler
 * zip - package and compress (archive) files
 * zipcloak - encrypt entries in a zipfile
 * zipdetails - display the internal structure of zip files
 * zipgrep - search files in a ZIP archive for lines matching a pattern
 * zipinfo - list detailed information about a ZIP archive
 * zipnote - write the comments in zipfile to stdout, edit comments and rename ...
 * zipsplit - split a zipfile into smaller zipfiles
 * zless - file perusal filter for crt viewing of compressed text
 * zmore - file perusal filter for crt viewing of compressed text
 * zramctl - set up and control zram devices