Apt-list


 * 7z - A file archiver with high compression ratio format
 * a2disconf - enable or disable an apache2 configuration file
 * a2dismod - enable or disable an apache2 module
 * a2dissite - 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
 * aa - enabled
 * ab - Apache HTTP server benchmarking tool
 * abcde - Grab an entire CD and compress it to Ogg/Vorbis
 * abiword - flexible cross
 * 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
 * access - check user's permissions for a file
 * access.conf - the login access control table file
 * accessdb - dumps the content of a man
 * acct - process accounting file
 * accton - turns process accounting on or off
 * acl - Access Control Lists
 * aconnect - ALSA sequencer connection manager
 * acos - arc cosine function
 * acosh - inverse hyperbolic cosine function
 * acpi_listen - ACPI event listener
 * acpid - Advanced Configuration and Power Interface event daemon
 * acyclic - make directed graph acyclic
 * add - apt
 * 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
 * addr2line - convert addresses into file names and line numbers
 * address_families - socket address families (domains)
 * addseverity - introduce new severity classes
 * 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
 * agetty - alternative Linux getty
 * aiksaurus - English
 * 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_read - asynchronous read
 * aio_return - get return status of asynchronous I/O operation
 * aio_suspend - wait for asynchronous I/O operation or timeout
 * aio_write - asynchronous write
 * alarm - set an alarm clock for delivery of a signal
 * aliases - Postfix local alias database format
 * Alien - Package (3pm)
 * alien (1p) - Convert or install an alien binary 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
 * alsabat - command
 * alsactl - advanced controls for ALSA soundcard driver
 * alsactl_init - alsa control management
 * alsamixer - soundcard mixer for ALSA soundcard driver
 * alsatplg - ALSA Topology Compiler
 * alsaucm - ALSA Use Case Manager
 * amdgpu - AMD RADEON GPU video driver
 * american - english
 * amidi - read from and write to ALSA RawMIDI ports
 * anacron - runs commands periodically
 * anacrontab - configuration file for anacron
 * animate - im6
 * 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
 * apg - generates several random passwords
 * apgbfm - APG Bloom filter management program
 * aplaymidi - play Standard MIDI Files
 * 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
 * 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
 * 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
 * aptdcon - command line client for aptdaemon
 * aptitude - create
 * AptPkg - Cache (3pm)
 * AptPkg (3pm) - interface to libapt
 * apturl - gtk
 * arch - print machine hardware name (same as uname
 * arch_prctl - set architecture
 * archdetect - detect hardware architecture
 * Archive - Cpio (3pm)
 * arecordmidi - record Standard MIDI Files
 * argz - functions to handle an argz list
 * arm_fadvise - predeclare an access pattern for file data
 * arm_sync_file_range - sync a file segment with disk
 * arm2hpdl - Add HP download header/trailer to an ARM ELF binary.
 * arp - Linux ARP kernel module.
 * arpd - userspace arp daemon.
 * arping - send ARP REQUEST to a neighbour host
 * arptables - nft
 * as - the portable GNU assembler.
 * ascii - ASCII character set encoded in octal
 * asciitopgm - convert ASCII graphics into a portable graymap
 * asctime - transform date and time to broken
 * aseqdump - show the events received at an ALSA sequencer port
 * aseqnet - ALSA sequencer connectors over network
 * asin - arc sine function
 * asinh - inverse hyperbolic sine function
 * asn1parse (1ssl) - ASN.1 parsing tool
 * aspell - autobuildhash
 * asprintf - print to allocated string
 * assert - abort the program if assertion is false
 * assert_perror - test errnum and abort
 * asymmetric - key
 * atan - arc tangent function
 * atan2 - arc tangent function of two variables
 * atanh - inverse hyperbolic 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
 * attr - Extended attributes
 * attributes - POSIX safety concepts
 * auth_destroy - library routines for remote procedure calls
 * Authen - SASL (3pm)
 * 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
 * avahi.hosts - avahi
 * awk - pattern scanning and processing language
 * axfer - list
 * B - Hooks
 * b2sum - compute and check BLAKE2 message digest
 * backend - cups backend transmission interfaces
 * backtrace - support for application self
 * badblocks - search a device for bad blocks
 * baobab - A graphical tool to analyze disk usage
 * base32 - base32 encode/decode data and print to standard output
 * base64 - base64 encode/decode data and print to standard output
 * basename - parse pathname components
 * bash - builtins
 * 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
 * bdftopcf - convert X font from Bitmap Distribution Format to Portable Compile...
 * bdftruncate - generate truncated BDF font from ISO 10646
 * be16toh - convert values between host and big
 * 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
 * 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
 * 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
 * bluetoothctl - interactive bluetooth control tool
 * bluetoothd - Bluetooth daemon
 * bmptopnm - convert a BMP file into a portable anymap
 * body_checks - Postfix built
 * 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
 * bounce - Postfix bounce message template format
 * bounce (8postfix) - Postfix delivery status reports
 * bpf - helpers
 * bridge - show / manipulate bridge addresses and devices
 * 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
 * bsd_signal - signal handling with BSD semantics
 * bsearch - binary search of a sorted array
 * bstring - byte string operations
 * bswap - reverse order of bytes
 * bt - adapter
 * btattach - attach serial devices to BlueZ stack
 * btmon - Bluetooth monitor
 * btowc - convert single byte to wide character
 * btree - btree database access method
 * btrfs - balance
 * btrfsck - check or repair a btrfs filesystem
 * btrfstune - tune various filesystem parameters
 * builtins - bash built
 * busctl - Introspect the bus
 * busybox - The Swiss Army Knife of Embedded Linux
 * bwbasic - Bywater BASIC interpreter/shell
 * bwrap - container setup utility
 * byteorder - convert values between host and network byte order
 * bzcat - decompresses files to stdout
 * bzcmp - 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
 * bzip2recover - recovers data from damaged bzip2 files
 * bzless - file perusal filter for crt viewing of bzip2 compressed text
 * c_rehash (1ssl) - Create symbolic links to files named by the hash values
 * c++ - GNU project C and C++ compiler
 * c++filt - demangle C++ and Java symbols
 * c89 - gcc
 * 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
 * cabs - absolute value of a complex number
 * cacademo - 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
 * cacosh - complex arc hyperbolic cosine
 * Cairo - GObject (3pm)
 * Cairo (3pm) - Perl interface to the cairo 2d vector graphics library
 * cal - displays a calendar and the date of Easter
 * calcurse - terminal
 * calendar - reminder service
 * calibrate_ppa - pnm2ppa calibration tool
 * calibre - customize
 * calibredb - calibredb
 * calloc - allocate and free dynamic memory
 * 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
 * capsh - capability shell wrapper
 * captoinfo - convert a termcap description into a terminfo description
 * Capture - Tiny (3pm)
 * carg - calculate the complex argument
 * casin - complex arc sine
 * casinh - complex arc sine hyperbolic
 * casper - snapshot
 * cat - concatenate files and print on the standard output
 * catan - complex arc tangents
 * catanh - complex arc tangents hyperbolic
 * 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
 * cbc_crypt - fast DES encryption
 * cbrt - cube root function
 * cciss - HP Smart Array block driver
 * ccomps - connected components filter for graphs
 * ccos - complex cosine function
 * ccosh - complex hyperbolic cosine
 * cddb - tool
 * cdparanoia - an audio CD reading utility which includes extra data verification...
 * cdrecord - write data to optical disk media
 * cdw - front
 * ceil - ceiling function: smallest integral value not less than argument
 * celluloid - A simple GTK+ frontend for mpv
 * cexp - complex exponential function
 * cexp2 - base
 * cfdisk - display or manipulate a disk partition table
 * cfgetispeed - get and set terminal attributes
 * cfree - free allocated memory
 * cgdisk - Curses
 * CGI - Carp (3pm)
 * CGI (3pm) - Handle Common Gateway Interface requests and responses
 * 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
 * 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
 * choom - display and adjust OOM
 * chown - change file owner and group
 * 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
 * chrt - manipulate the real
 * 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
 * cinnamon - launcher
 * cinnamon2d - desktop
 * ciphers (1ssl) - SSL cipher display and cipher list tool
 * ciptool - Bluetooth Common ISDN Access Profile (CIP)
 * CIRCLEQ_ENTRY - implementations of singly
 * 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)
 * 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
 * cli - gacutil
 * client.conf - client configuration file for cups (deprecated on macos)
 * clock - determine processor time
 * clock_getcpuclockid - obtain ID of a process CPU
 * clock_getres - clock and time functions
 * clock_nanosleep - high
 * clog - natural logarithm of a complex number
 * clone - create a child process
 * Clone (3pm) - recursively copy Perl datatypes
 * 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
 * cmus - remote
 * 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)
 * 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
 * connect - initiate a connection on a socket
 * console - setup
 * console_codes - Linux console escape and control sequences
 * console_ioctl - ioctls for console terminal and virtual consoles
 * copy_file_range - Copy a range of data from one file to another
 * copysign - copy sign of a number
 * core - core dump file
 * coredump.conf - Core dump storage configuration files
 * coredumpctl - Retrieve and process saved core dumps and metadata
 * corelist - a commandline frontend to Module
 * cos - cosine function
 * cosh - hyperbolic cosine function
 * cp - copy files and directories
 * cp1251 - CP 1251 character set encoded in octal
 * cp1252 - CP 1252 character set encoded in octal
 * cpan - easily interact with CPAN from the command line
 * cpan5.30 - i386
 * Cpanel - JSON
 * cpanel_json_xs (1p) - Cpanel
 * cpgr - copy with locking the given file to the password or group file
 * cpio - filter (1p)
 * cpow - complex power function
 * cproj - project into Riemann Sphere
 * CPU_ALLOC - macros for manipulating CPU sets
 * cpuid - x86 CPUID access device
 * cpuset - confine processes to processor and memory node subsets
 * cracklib - check
 * crc32 - compute CRC
 * crda - send to the kernel a wireless regulatory domain for a given ISO / ...
 * creal - get real part of a complex number
 * creat - open and possibly create a file
 * create - cracklib
 * 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)
 * crypt - passphrase hashing
 * crypt_checksalt - validate a crypt setting string
 * crypt_gensalt - 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.
 * crypto (7ssl) - OpenSSL cryptographic library
 * cryptsetup - reencrypt
 * crypttab - static information about encrypted filesystems
 * csin - complex sine function
 * csinh - complex hyperbolic sine
 * csplit - split a file into sections determined by context lines
 * csqrt - complex square root
 * csscapture - Downloads CSS stylesheets.
 * csscombine - Utility to combine several stylesheets into one.
 * cssparse - A CSS parser.
 * ct (7ssl) - Certificate Transparency
 * ctan - complex tangent function
 * ctanh - complex hyperbolic tangent
 * ctermid - get controlling terminal name
 * ctrlaltdel - set the function of the Ctrl
 * ctstat - unified linux network statistics
 * cups - browsed
 * cupsaccept - accept/reject jobs sent to a destination
 * cupsctl - configure cupsd.conf options
 * cupsd - helper
 * cupsd.conf - server configuration file for cups
 * cupsdisable - stop/start printers and classes
 * cupsfilter - convert a file to another format using cups filters (deprecated)
 * 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
 * dash - command interpreter (shell)
 * Data - Dump (3pm)
 * date - print or set the system date and time
 * daylight - initialize time conversion information
 * db - database access methods
 * dbus - cleanup
 * 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
 * dcgettext - translate message
 * dcngettext - translate message and choose plural form
 * dconf - service
 * dcparse - Extract embedded thumbnail image and print CIFF/TIFF data to screen
 * 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
 * deb822 - Debian RFC822 control data format
 * debhelper - obsolete
 * Debian - DictionariesCommon (3pm)
 * 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
 * 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
 * delete_module - unload a kernel module
 * delgroup - remove a user or group from the system
 * 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.
 * depmod.d - Configuration directory for depmod
 * des_modes (7ssl) - the variants of DES and other crypto algorithms of OpenSSL
 * desktop - file
 * devdump - Utility programs for dumping and verifying iso9660 images.
 * Devel - CallChecker (3pm)
 * devlink - dev
 * df - report file system disk space usage
 * dgst (1ssl) - perform digest operations
 * dh - autoreconf
 * 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
 * dh_autoreconf_clean - Clean all changes made by dh_autoreconf
 * dh_autotools - dev_restoreconfig
 * dh_bash - completion
 * 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
 * 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
 * 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
 * dh_installsystemd - 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
 * 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
 * dh_shlibdeps - calculate shared library dependencies
 * dh_strip - strip executables
 * dh_strip_nondeterminism (1p) - strip uninteresting
 * 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 - script
 * dhclient.conf - DHCP client configuration file
 * dhclient.leases - DHCP client lease database
 * dhcp - eval
 * dhparam (1ssl) - DH parameter manipulation and generation
 * dia - a diagram drawing program
 * dialog - display dialog boxes from shell scripts
 * dict - DICT Protocol Client
 * dictl - wrapper script for dict that permits using utf
 * diffimg - Calculates intersection between two images
 * diffstat - make histogram from diff
 * difftime - calculate time difference
 * dig - DNS lookup utility
 * Digest - HMAC (3pm)
 * dijkstra - single
 * dir - list directory contents
 * dir_colors - configuration file for dircolors
 * dircolors - color setup for ls
 * dirfd - get directory stream file descriptor
 * dirmngr - client
 * dirsplit - splits directory into multiple with equal size
 * discard (8postfix) - Postfix discard mail delivery agent
 * 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
 * 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
 * dlsym - 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
 * dmidecode - DMI table decoder
 * dmraid - discover
 * dmsetup - low level logical volume management
 * dn_comp - resolver routines
 * 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
 * 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
 * dosfsck - check and repair MS
 * dosfslabel - set or get MS
 * dot - filter for drawing directed graphs
 * dot2gxl - GXL
 * dotlockfile - Utility to manage lockfiles
 * dotty - A Customizable Graph Editor
 * dpkg - architecture
 * Dpkg (3perl) - module with core variables
 * dpkg.cfg - dpkg configuration file
 * dprintf - formatted output conversion
 * drand48 - generate uniformly distributed pseudo
 * drem - floating
 * 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
 * dumpe2fs - dump ext2/ext3/ext4 filesystem information
 * dumpexfat - dump exFAT file system
 * dumpkeys - dump keyboard translation tables
 * dup - duplicate a file descriptor
 * duplocale - duplicate a locale object
 * dvd+rw - format
 * 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)
 * 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
 * ec (1ssl) - EC key processing
 * echo - display a line of text
 * ecparam (1ssl) - EC parameter manipulation and generation
 * ecryptfsd - user
 * ecvt - convert a floating
 * ed - line
 * Ed25519 (7ssl) - EVP_PKEY Ed25519 and Ed448 support
 * edata - end of program segments
 * edgepaint - edge coloring to disambiguate crossing edges
 * editdiff - fix offsets and counts of a hand
 * editline (7edit) - line editing user interface
 * editor - Nano's ANOther editor
 * 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)
 * enc (1ssl) - symmetric cipher routines
 * encguess - guess character encodings of files
 * Encode - Locale (3pm)
 * encrypt - encrypt 64
 * endaliasent - read an alias entry
 * endfsent - handle fstab entries
 * endgrent - get group file entry
 * endhostent - get network host 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
 * engine (1ssl) - load and query engines
 * env - run a program in a modified environment
 * environ - user environment
 * environment.d - Definition of user session environment
 * envsubst - substitutes environment variables in shell format strings
 * envz - environment string support
 * epoll - I/O event notification facility
 * epoll_create - 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
 * eps2eps - Ghostscript PostScript "distiller"
 * eqn - format equations for troff or MathML
 * erf - error function
 * erfc - complementary error function
 * err - formatted error messages
 * errno - look up errno names and descriptions
 * error - glibc error reporting functions
 * Error (3pm) - Error/exception handling in an OO
 * error (8postfix) - Postfix error/retry mail delivery agent
 * errstr (1ssl) - lookup error codes
 * esc - m
 * espdiff - apply the appropriate transformation to a set of patches
 * ether_aton - 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 - libev (3pm)
 * EV (3pm) - perl interface to libev
 * Eval - TypeTiny (3pm)
 * eventfd - create a file descriptor for event notification
 * ex - Vi IMproved
 * exa - new 2D acceleration architecture for X.Org
 * exec - execute a file
 * execve - execute program
 * execveat - execute program relative to a directory file descriptor
 * 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 - cause normal process termination
 * exit_group - exit all threads in a process
 * expand - convert tabs to spaces
 * expiry - check and enforce password expiration policy
 * expm1 - exponential minus 1
 * Exporter - Shiny (3pm)
 * expr - evaluate expressions
 * ext2 - the second extended file system
 * ext3 - the third extended file system
 * ext4 - the fourth extended file system
 * ExtUtils - Depends (3pm)
 * eyuvtoppm - convert a Berkeley YUV file to a portable pixmap file
 * fabs - absolute value of floating
 * factor - factor numbers
 * faillog - display faillog records or set login failure limits
 * faked - sysv
 * fallocate - manipulate file space
 * fanotify - monitoring filesystem events
 * fanotify_init - create and initialize fanotify group
 * fastjar - archive tool for Java archives
 * fbdev - video driver for framebuffer device
 * fbdevhw - os
 * fc - cache
 * FCGI (3pm) - Fast CGI module
 * fcgistarter - Start a FastCGI program
 * fchmod - change permissions of a file
 * fclose - close a stream
 * fcloseall - close all open streams
 * fcntl - manipulate file descriptor
 * FD_CLR - synchronous I/O multiplexing
 * fdatasync - synchronize a file's in
 * fdfind - find entries in the filesystem
 * fdformat - low
 * fdim - positive difference
 * 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
 * fetch - ebook
 * fexecve - execute program specified via file descriptor
 * fflush - flush a stream
 * ffmpeg - all
 * ffs - find first bit set in a word
 * fgconsole - print the number of the active VT.
 * fgetc - input of characters and strings
 * fgetgrent_r - get group file entry reentrantly
 * fgetpos - reposition a stream
 * fgetpwent_r - get passwd file entry reentrantly
 * fgetwc - read a wide character from a FILE stream
 * fgetws - read a wide
 * fgetxattr - retrieve an extended attribute value
 * fiascotopnm - Convert compressed FIASCO image to PGM
 * fifo - first
 * figlet - toilet
 * file - hierarchy
 * file2brl - Translate an xml or a text file into an embosser
 * filefrag - report on file fragmentation
 * filefuncs (3am) - provide some file related functionality to gawk
 * filesystems - Linux filesystem types: ext
 * 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
 * findsmb - list info about machines that respond to SMB name queries on a subnet
 * finit_module - load a kernel module
 * finite - BSD floating
 * firefox - a free and open source web browser from Mozilla
 * fitstopnm - convert a FITS file into a portable anymap
 * fixcvsdiff - fix problematic diff files
 * fixparts - MBR partition table repair utility
 * flatpak - build
 * 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
 * flockfile - lock FILE for stdio
 * floor - largest integral value not greater than argument
 * flush (8postfix) - Postfix fast flush server
 * fmax - determine maximum of two floating
 * fmemopen - open memory as stream
 * fmin - determine minimum of two floating
 * 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)
 * fonts - conf
 * fonttosfnt - Wrap a bitmap font in a sfnt (TrueType) wrapper
 * foo2ddst - wrapper
 * foo2hp - Convert Ghostscript pbmraw or bitcmyk format into a ZJS printer st...
 * foo2oak - wrapper
 * foo2zjs - pstops
 * foomatic - rip
 * fopencookie - opening a custom stream
 * fork (3am) - basic process management
 * forkpty - terminal utility functions
 * fpathconf - get configuration values for files
 * fprintd - delete
 * fpurge - purge a stream
 * fputc - output of characters and strings
 * fputwc - write a wide character to a FILE stream
 * fputws - write a wide
 * fread - binary stream input/output
 * freeaddrinfo - network address and service translation
 * freehostent - get network hostnames and addresses
 * freeifaddrs - get interface addresses
 * fremovexattr - remove an extended attribute
 * frexp - convert floating
 * from - print names of those who have sent mail
 * 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.hfs - HFS file system consistency check
 * fsck.jfs - initiate replay of the JFS transaction log
 * fsck.minix - check consistency of Minix filesystem
 * fsck.reiserfs - The checking tool for the ReiserFS filesystem.
 * fseeko - seek to or report file position
 * fsetxattr - set an extended attribute value
 * fsf - funding (7gcc)
 * fsfreeze - suspend access to a filesystem (Ext3/4
 * fstab - decode
 * fstat - get file status
 * fstatfs - get filesystem statistics
 * fstopgm - convert a Usenix FaceSaver(tm) file into a portable graymap
 * fstrim - discard unused blocks on a mounted filesystem
 * 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
 * fts - 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
 * fusermount - unmount FUSE filesystems
 * futex - fast user
 * 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)
 * Future (3pm) - represent an operation awaiting completion
 * fwide - set and determine the orientation of a FILE stream
 * fwprintf - formatted wide
 * 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
 * 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
 * gamemoded - optimises system performance on demand
 * gamma4scanimage - create a gamma table for scanimage
 * gapplication - D
 * gatttool - tool for Bluetooth Low Energy device
 * gc - count graph components
 * gcalccmd - a console calculator
 * gcore - Generate a core file of a running program
 * gdb - The GNU Debugger
 * gdbserver - Remote Server for the GNU Debugger
 * gdbus - Tool for working with D
 * gdisk - Interactive GUID partition table (GPT) manipulator
 * gdk - pixbuf
 * gemtopbm - convert a GEM .img file into a portable anymap
 * gencat - Generate message catalog
 * gendiff - utility to aid in error
 * 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
 * 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_kernel_syms - retrieve exported kernel and module symbols
 * get_mempolicy - retrieve NUMA memory policy for a thread
 * get_nprocs - get number of processors
 * get_robust_list - get/set list of robust futexes
 * get_thread_area - manipulate thread
 * getauxval - retrieve a value from the auxiliary vector
 * getcap - examine file capabilities
 * 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
 * getcpu - determine CPU and NUMA node on which the calling thread is running
 * getdate - convert a date
 * getdelim - delimited string input
 * getdents - get directory entries
 * getdirentries - get directory entries in a filesystem
 * getdomainname - get/set NIS domain name
 * getdtablesize - get file descriptor table size
 * getegid - 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
 * getfacl - get file access control lists
 * getfattr - get extended attributes of filesystem objects
 * getgrouplist - get list of groups to which a user belongs
 * getgroups - get/set list of supplementary group IDs
 * gethostid - get or set the unique identifier of the current host
 * gethostip - convert an IP address into various formats
 * gethostname - get/set hostname
 * getitimer - get or set value of an interval timer
 * getkeycodes - print kernel scancode
 * getloadavg - get system load averages
 * getnameinfo - address
 * getnetbyaddr_r - get network entry (reentrant)
 * getopt - Parse command
 * getpagesize - get memory page size
 * getpass - get a password
 * getpcaps - display process capabilities
 * getpeername - get name of connected peer socket
 * getpgid - set/get process group
 * getpid - get process identification
 * getpriority - get/set program scheduling priority
 * getprotobyname_r - get protocol entry (reentrant)
 * getpt - open the pseudoterminal master (PTM)
 * getpw - reconstruct password line entry
 * getrandom - obtain a series of random bytes
 * getresgid - get real
 * getrlimit - get/set resource limits
 * getrpcbyname_r - get RPC entry (reentrant)
 * getrpcport - get RPC port number
 * getrusage - get resource usage
 * gets - get a string from standard input (DEPRECATED)
 * getservbyname_r - get service entry (reentrant)
 * getsid - get session ID
 * getsockname - get socket name
 * getsockopt - get and set options on sockets
 * getsubopt - parse suboption arguments from a string
 * 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
 * getw - input and output of words (ints)
 * getwchar - read a wide character from standard input
 * gfdl (7gcc) - GNU Free Documentation License
 * 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
 * gio - querymodules
 * gipddecode - Decode a GIPD stream into human readable form.
 * Git (3pm) - Perl interface to the Git version control system
 * gitattributes - Defining attributes per path
 * gitcli - Git command
 * gitcore - tutorial
 * gitcredentials - providing usernames and passwords to Git
 * gitcvs - migration
 * 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
 * gitrepository - layout
 * gitrevisions - Specifying revisions and ranges for Git
 * gitsubmodules - Mounting one repository inside another
 * 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 - compile
 * Glib (3pm) - Perl wrappers for the GLib utility and Object libraries
 * glibc - overview of standard C libraries on Linux
 * glob - find pathnames matching a pattern
 * glxdemo - a demonstration of the GLX functions
 * glxheads - exercise multiple GLX connections
 * glxinfo - show information about the GLX implementation
 * glyrc - search engine for music
 * gml2gv - GML
 * gmtp - simple MP3 player client for MTP based devices
 * gnome - calculator
 * gnote - A simple note
 * gnu_dev_major - manage a device number
 * gnu_get_libc_release - get glibc version and release
 * gnupg - The GNU Privacy Guard suite of programs
 * goa - 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 - agent
 * 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
 * grantpt - grant access to the slave pseudoterminal
 * graphml2gv - GRAPHML
 * graphviz - rich set of graph drawing tools
 * grep - aptavail
 * grepdiff - show files modified by a diff containing a regex
 * grepjar - search files in a jar file for a pattern
 * gresource - GResource tool
 * grog - guess options for a following groff command
 * grops - PostScript driver for groff
 * grotty - groff driver for typewriter
 * 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
 * grub - bios
 * 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
 * gtbl - format tables for troff
 * gtf - calculate VESA GTF mode lines
 * gtk - builder
 * Gtk3 (3pm) - Perl interface to the 3.x series of the gtk+ toolkit
 * gts - config
 * 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
 * gtscompare - compare two GTS files.
 * gtstemplate - generates of a template used to create new object classes.
 * gucharmap - Unicode character picker and font browser
 * gufw - Graphic user interface for managing ufw
 * gunzip - compress or expand files
 * gvcolor - flow colors through a ranked digraph
 * gvfs - cat
 * gvfsd - fuse
 * 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
 * h2ph - convert .h C header files to .ph Perl header files
 * h2xs - convert .h C header files to Perl extensions
 * halt - Halt
 * happrox - returns a simplified triangulation of a set of points using algori...
 * hash - hash database access method
 * 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
 * hd - ASCII
 * 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
 * helpztags - generate the help tags file for directory
 * hex2hcd - Broadcom Bluetooth firmware converter
 * hexchat - IRC Client
 * 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 - hostname resolution description
 * hostnamectl - Control the system hostname
 * hosts - static table lookup for hostnames
 * hosts.allow - format of host access control files
 * hosts.equiv - list of hosts and users that are granted "trusted" r command acces...
 * hosts_options - host access control language extensions
 * hp - align
 * hpsa - HP Smart Array SCSI driver
 * htcacheclean - Clean up the disk cache
 * htdbm - Manipulate DBM password databases
 * htdigest - manage user files for digest authentication
 * HTML - AsSubs (3pm)
 * html2markdown - converts a page of HTML into markdown.
 * htmltree (1p) - Parse the given HTML file and dump the parse tree
 * htop - interactive process viewer
 * htpasswd - Manage user files for basic authentication
 * HTTP - Config (3pm)
 * httxt2dbm - Generate dbm files for use with RewriteMap
 * hwclock - time clocks utility
 * hwdb - Hardware Database
 * hypnotoad (1p) - Hypnotoad HTTP and WebSocket server
 * hypot - Euclidean distance function
 * i386 - change reported architecture in new program environment and/or set...
 * iceauth - ICE authority file utility
 * icmp - Linux IPv4 ICMP kernel module.
 * ico - animate an icosahedron or other polyhedron
 * icontopbm - convert a Sun icon into a portable bitmap
 * 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
 * id - print real and effective user and group IDs
 * 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
 * idmap_rfc2307 - Samba's idmap_rfc2307 Backend for Winbind
 * idmapwb - winbind ID mapping plugin for cifs
 * iecset - Set or dump IEC958 status bits
 * if_freenameindex - get network interface names and indexes
 * if_indextoname - 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
 * ImageMagick - im6.q16
 * imagetops - generic image to ps filter
 * img2txt - convert images to various text
 * imgtoppm - convert an Img
 * index - locate character in string
 * inet - Internet address manipulation routines
 * inet_net_ntop - Internet network number conversion
 * 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
 * infocmp - compare or print out terminfo descriptions
 * infotocap - convert a terminfo description into a termcap description
 * initgroups - initialize the supplementary group access list
 * initramfs - tools
 * initramfs.conf - configuration file for mkinitramfs
 * initrd - boot loader initialized RAM disk
 * initstate - random number generator
 * initstate_r - reentrant random number generator
 * inode - file inode information
 * inotify_add_watch - add a watch to an initialized inotify instance
 * inotify_init - initialize an inotify instance
 * inotify_rm_watch - remove an existing watch from an inotify instance
 * inplace (3am) - emulate sed/perl/ruby in
 * inputattach - attach a serial line to an input
 * insl - port I/O
 * insmod - Simple program to insert a module into the Linux Kernel
 * insque - insert/remove an item from a queue
 * install - docs
 * installkernel - install a new kernel image
 * instmodsh - A shell to examine installed modules
 * integritysetup - manage dm
 * intel - virtual
 * interdiff - show differences between two diff files
 * interfaces - network interface configuration for ifup and ifdown
 * intro - introduction to administration and privileged commands
 * invoke - rc.d
 * inxi - Command line system information script for console and IRC
 * IO - Async (3pm)
 * 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 - control device
 * ioctl_fat - manipulating the FAT filesystem
 * ioctl_ficlone - 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_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
 * iopl - change I/O privilege level
 * ioprio_get - get/set I/O scheduling class and priority
 * ip6tables - apply
 * IPC - Run (3pm)
 * ipc_namespaces - overview of Linux IPC namespaces
 * ipcmk - make various IPC resources
 * ipcrm - remove certain 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
 * iptraf - ng
 * iptunnel - Create and manage IP tunnels
 * ipv6 - Linux IPv6 protocol implementation
 * irqbalance - ui
 * irssi - a modular IRC client for UNIX
 * iruserok - routines for returning a stream to a remote command
 * isadump - examine ISA registers
 * isalnum - character classification functions
 * isaset - set ISA registers
 * isatty - test whether a file descriptor refers to a terminal
 * ischroot - detect if running in a chroot
 * isfdtype - test file type of a file descriptor
 * iso_8859_1 - ISO 8859
 * isohybrid - Post
 * isohybrid.pl - Postprocess ISO images for hybrid mode (Perl)
 * isosize - output the length of an iso9660 filesystem
 * issue - prelogin message and identification file
 * isutf8 - check whether files are valid UTF
 * iswalnum - test for alphanumeric wide character
 * iswalpha - test for alphabetic wide character
 * iswblank - test for whitespace wide character
 * iswctype - wide
 * 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
 * iswupper - test for uppercase wide character
 * iswxdigit - test for hexadecimal digit wide character
 * italian - a list of italian words
 * iucode_tool - Tool to manipulate Intel IA
 * 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
 * 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
 * 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 - wrappers
 * 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
 * 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
 * join - dctrl
 * journalctl - Query the systemd journal
 * 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
 * JSON - MaybeXS (3pm)
 * jstack - Prints Java thread stack traces for a Java process
 * 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.
 * 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
 * kerneloops - program to collect and submit kernel oopses to oops.kernel.org
 * kexec_file_load - load a new kernel for later execution
 * key.dns_resolver - upcall for request
 * key_decryptsession - interfaces to rpc keyserver daemon
 * keyboard - keyboard configuration file
 * keyctl - key management facility control
 * keymaps - keyboard table descriptions for loadkeys and dumpkeys
 * keyring - Python
 * keyrings - in
 * keytool - Manages a keystore (database) of cryptographic keys
 * kill - send a signal to a process
 * killall - kill processes by name
 * killall5 - send a signal to all processes.
 * killpg - send signal to a process group
 * klogctl - read and/or clear kernel message ring buffer; set console_loglevel
 * kmem - system memory
 * kmod - Program to manage Linux Kernel modules
 * kmodsign - Kernel module signing tool
 * koi8 - r
 * kpartx - Create device maps from partition tables.
 * l2ping - Send L2CAP echo request and receive answer
 * l2test - L2CAP testing tool
 * lame - create mp3 audio files
 * laptop - detect
 * last - 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
 * lckdo - run a program with a lock held
 * ld - linux
 * ld.bfd - The GNU linker
 * 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
 * ldd - print shared object dependencies
 * ldexp - multiply floating
 * 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
 * lexgrog - parse header information in man pages
 * lfind - linear search of an array
 * lgamma - log gamma function
 * libao.conf - configuration for libao.
 * libaudit.conf - libaudit configuration file
 * libinput - libinput
 * 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
 * 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 - lwpcook (3pm)
 * 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
 * linkat - make a new name for a file
 * linkicc - little cms device link generator.
 * links - lynx
 * lio_listio - initiate a list of I/O requests
 * lirc - lirc devices
 * lispmtopgm - convert a Lisp Machine bitmap file into pgm format
 * List - Compare (3pm)
 * list (1ssl) - list algorithms and features
 * listen - listen for connections on a socket
 * listres - list resources in widgets
 * llrint - 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
 * loader.conf - Configuration file for systemd
 * loadkeys - load keyboard translation tables
 * loadunimap - load the kernel unicode
 * local (8postfix) - Postfix local mail delivery
 * locale - gen
 * locale.conf - Configuration file for locale settings
 * locale.gen - Configuration file for locale
 * 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
 * log - natural logarithmic function
 * log1p - logarithm of 1 plus argument
 * logb - get exponent of a floating
 * logger - enter messages into the system log
 * login - begin session on the system
 * login.defs - shadow password suite configuration
 * loginctl - Control the systemd login manager
 * logind.conf - Login manager configuration files
 * logname - print user's login name
 * logout - write utmp and wtmp entries
 * logresolve - Resolve IP
 * logrotate - rotates
 * logsave - save the output of a command in a logfile
 * logwtmp - append an entry to the wtmp file
 * longjmp - performing a nonlocal goto
 * look - display lines beginning with a given string
 * lookup_dcookie - return a directory entry's path
 * loop - control
 * lorder - list dependencies for object files
 * losetup - set up and control loop devices
 * 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
 * lrf2lrs - lrf2lrs
 * lrfviewer - lrfviewer
 * lrs2lrf - lrs2lrf
 * lsattr - list file attributes on a Linux second extended file system
 * lsb_release - print distribution
 * lsblk - list block devices
 * lscpu - display information about the CPU architecture
 * lsdiff - show which files are modified by a patch
 * lseek64 - reposition 64
 * lshw - list hardware
 * lsinitramfs - list content of an initramfs image
 * 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
 * lsusb - list USB devices
 * 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
 * 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.conf - Configuration file for LVM2
 * lvm2 - activation
 * 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 - download (1p)
 * LWP (3pm) - The World
 * 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
 * lzcat - Compress or decompress .xz and .lzma files
 * lzcmp - compare compressed files
 * lzegrep - search compressed files for a regular expression
 * lzless - view xz or lzma compressed (text) files
 * lzmainfo - show information stored in the .lzma file header
 * m4 - macro processor
 * machine - id
 * macptopbm - convert a MacPaint file into a portable bitmap
 * madvise - give advice about use of memory
 * magic - file command's magic pattern file
 * mail - send and receive mail
 * 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
 * maim - make image
 * makecontext - manipulate user context
 * makedefs - Postfix makefile configuration utility
 * MAKEDEV - create devices
 * mako - render
 * mallinfo - obtain memory allocation information
 * malloc_get_state - record and restore state of malloc implementation
 * malloc_hook - malloc debugging variables
 * malloc_info - export malloc state to a stream
 * 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 - pages
 * 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
 * mapscrn - load screen output mapping table
 * master - Postfix master process configuration file format
 * master (8postfix) - Postfix master process
 * mate - about
 * 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
 * mbind - set memory policy for a memory range
 * mblen - determine number of bytes in next multibyte character
 * mbrtowc - convert a multibyte sequence to a wide character
 * mbsinit - test for initial shift state
 * mbsnrtowcs - convert a multibyte string to a wide
 * mc - Visual shell for Unix
 * mcat - dump raw disk image
 * mcd - change MSDOS directory
 * mcedit - Internal file editor of GNU Midnight Commander.
 * mcheck - 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
 * 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
 * membarrier - issue memory barriers on a set of threads
 * memcache_table - Postfix memcache client configuration
 * memccpy - copy memory area
 * memchr - scan memory for a character
 * memcmp - compare memory areas
 * 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
 * memset - fill memory with a constant byte
 * memusage - profile memory usage of a program
 * memusagestat - generate graphic from memory profiling data
 * MenuPopdown - unmap a pop
 * MenuPopup - map a pop
 * mesg - display (or do not display) messages from other users
 * metacity - message
 * mformat - add an MSDOS filesystem to a low
 * 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
 * migrate_pages - move all pages in a process to another set of nodes
 * 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
 * mint - release
 * mintmenu - advanced MATE menu
 * mintsources - Software Sources List editor
 * mintstick - gui only application to write .img and .iso files to USB keys
 * mintupdate - cli
 * mispipe - pipe two commands
 * mk_modmap - translate a Linux keytable file into an xmodmap file
 * mkdir - create a directory
 * mkdiskimage - Create a blank MS
 * mkdosfs - create an MS
 * 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 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.hfs - construct a new HFS Plus file system
 * mkfs.minix - make a Minix filesystem
 * mkfs.ntfs - create an NTFS file system
 * mkfs.reiserfs - The create tool for the Linux ReiserFS filesystem.
 * mkfs.xfs - construct an XFS filesystem
 * mkhomedir_helper - Helper binary that creates home directories
 * 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 - create a special or ordinary file
 * mkostemp - create a unique temporary file
 * mksquashfs - tool to create and append to squashfs filesystems
 * mkswap - set up a Linux swap area
 * mktemp - create a temporary file or directory
 * mkzftree - Create a zisofs/RockRidge compressed file tree
 * mlabel - make an MSDOS volume label
 * mlocate.db - a mlocate database
 * mlock - lock and unlock memory
 * mm2gv - Matrix Market
 * mmap - map or unmap files or devices into memory
 * mmap2 - map 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
 * modify_ldt - get or set a per
 * 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)
 * modules - load.d
 * modules.dep - Module dependency information
 * Mojo - Asset (3pm)
 * mojo (1p) - The Mojolicious command system
 * Mojo (3pm) - Web development toolkit
 * Mojolicious - Command (3pm)
 * Mojolicious (3pm) - Real
 * Moo - Role (3pm)
 * Moo (3pm) - Minimalist Object Orientation (with Moose compatibility)
 * MooX - Aliases (3pm)
 * morbo (1p) - Morbo HTTP and WebSocket development server
 * more - file perusal filter for crt viewing
 * motd - message of the day
 * 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 - fuse
 * mount.fuse - format and options for the fuse file systems
 * 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
 * mplayer - movie player
 * mpool - shared memory buffer pool
 * mpris - proxy
 * mprotect - set protection on a region of memory
 * mq_close - close a message queue descriptor
 * mq_getattr - get/set message queue attributes
 * mq_notify - register for notification when a message is available
 * 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_unlink - remove a message queue
 * 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
 * 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 - stable
 * msr - x86 CPU MSR access device
 * msync - synchronize a file with a memory map
 * mt - gnu
 * mtools - mtools configuration files
 * mtools.tmpl - utilities to access DOS disks in Unix.
 * mtoolstest - tests and displays the configuration
 * mtp - albumart
 * mtr - packet
 * 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 - message
 * muntrace - malloc tracing
 * MusicBrainz - DiscID (3pm)
 * mv - move (rename) files
 * mxtar - Wrapper for using GNU tar directly from a floppy disk
 * myisam_ftdump - display full
 * mysql - the MySQL command
 * mysql_config_editor - configure authentication information for connecting to MySQL se...
 * mysqladmin - a MySQL server administration program
 * mysqlanalyze - 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
 * mysqlreport - Makes a friendly report of important MySQL status values
 * mysqlshow - display database
 * 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 - clean (3pm)
 * namespace.conf - the namespace configuration file
 * namespaces - overview of Linux namespaces
 * nanf - return 'Not a Number'
 * nanorc - GNU nano's configuration file
 * nc - arbitrary TCP and UDP connections and listens
 * ncdu - NCurses Disk Usage
 * nemo - connect
 * neofetch - A fast
 * 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.
 * nethogs - Net top tool grouping bandwidth per process
 * netkit - ftp
 * netlink - communication between kernel and user space (AF_NETLINK)
 * netpbm - package of graphics manipulation programs and libraries
 * netrc - user configuration for ftp
 * netstat - Print network connections
 * network_namespaces - overview of Linux network namespaces
 * networkctl - Query the status of network links
 * networkd - dispatcher
 * networkd.conf - Global Network configuration files
 * NetworkManager - network management daemon
 * NetworkManager.conf - NetworkManager configuration file
 * networks - network name information
 * newgrp - log in to a new group
 * newsboat - an RSS/Atom feed reader for text terminals
 * newusers - update and create new users in batch
 * nextdown - return next floating
 * nfnl_osf - OS fingerprint loader utility
 * nfsservctl - syscall interface to kernel nfs daemon
 * nice - change process priority
 * nisplus_table - Postfix NIS+ client
 * nl - number lines of files
 * nl_langinfo - query language and locale information
 * nm - applet
 * nmblookup - NetBIOS over TCP/IP client used to lookup NetBIOS names
 * nmcli - examples
 * nohup - run a command immune to hangups
 * nologin - politely refuse a login
 * nop - pretty
 * nosetests3 - Nicer testing for Python
 * notifier - cups notification interface
 * notify - send
 * nouveau - NVIDIA video driver
 * nproc - print the number of processing units available
 * nptl - Native POSIX Threads Library
 * 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 - myhostname
 * nsswitch.conf - Name Service Switch configuration file
 * nstat - network statistics tools.
 * nsupdate - Dynamic DNS update utility
 * ntfscat - print NTFS files and streams on the standard output
 * ntfsclone - Efficiently clone
 * 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_gettime - get time parameters (NTP daemon interface)
 * null - data sink
 * numa - overview of Non
 * Number - Compare (3pm)
 * numfmt - Convert numbers from/to human
 * oakdecode - Decode an OAKT printer stream into human readable form.
 * 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
 * oggenc - encode audio into the Ogg Vorbis format
 * ogginfo - gives information about Ogg files
 * ojo (3pm) - Fun one
 * oldolduname - get name and information about current kernel
 * on_ac_power - test whether computer is running on AC power
 * onboard - settings
 * oo (3pm) - syntactic sugar for Moo oneliners
 * open_memstream - open a dynamic memory buffer stream
 * openproc - initialize process information from /proc/
 * openssl - asn1parse (1ssl)
 * openssl (1ssl) - OpenSSL command line tool
 * 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.
 * optipng - Optimize Portable Network Graphics files
 * 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
 * osage - filter for drawing clustered graphs
 * ossl_store - file (7ssl)
 * ossl_store (7ssl) - Store retrieval functions
 * ownership - Compaq ownership tag retriever
 * p11 - kit
 * p7zip - Wrapper on 7
 * 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)
 * 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
 * palmtopnm - convert a Palm pixmap into a portable anymap
 * pam - auth
 * pam.conf - 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
 * 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
 * pam_faildelay - Change the delay on failure per
 * 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_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
 * pam_permit - The promiscuous module
 * pam_pwhistory - PAM module to remember last passwords
 * pam_rhosts - The rhosts PAM module
 * 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_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
 * 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
 * Pango - AttrBackground (3pm)
 * Pango (3pm) - layout and render international text
 * paperconf - print paper configuration information
 * paperconfig - configure the system default paper size
 * papersize - specify preferred paper size
 * par - filter for reformatting paragraphs
 * parallel - run programs in parallel
 * Params - Classify (3pm)
 * parted - a partition manipulation program
 * partprobe - inform the OS of partition table changes
 * partx - tell the kernel about the presence and numbering of on
 * passphrase - encoding (7ssl)
 * passwd - change user password
 * passwd (1ssl) - compute password hashes
 * 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
 * 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
 * pbmlife - apply Conway's rules of Life to a portable bitmap
 * 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
 * pccardctl - PCMCIA card control utility
 * pciconfig_iobase - pci device information handling
 * pcilib - a library for accessing PCI devices
 * pclose - pipe stream to or from a process
 * pcrepattern - Perl
 * pcxtoppm - convert a PCX file into a portable pixmap
 * pdb2 - 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
 * 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
 * perl - The Perl 5 language interpreter
 * perlbug - how to submit bug reports on Perl
 * PerlIO - gzip (3pm)
 * perlivp - Perl Installation Verification Procedure
 * perlsh (1p) - one
 * perror - print a system error message
 * 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
 * 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
 * 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
 * php - PHP Command Line Interface 'CLI'
 * 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
 * pickup (8postfix) - Postfix local mail pickup
 * 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.
 * ping - 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 (8postfix) - Postfix delivery to external command
 * 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.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
 * pkeyparam (1ssl) - public key algorithm parameter processing tool
 * pkeys - overview of Memory Protection Keys
 * pkeyutl (1ssl) - public key algorithm utility
 * pklocalauthority - PolicyKit Local Authority
 * 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
 * plymouth - A graphical boot system and logger
 * plymouthd - The plymouth daemon
 * pm - action
 * pmap - report memory map of a process
 * 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
 * pnminvert - invert a portable anymap
 * pnmmargin - add a border to a portable anymap
 * pnmmontage - create a montage of portable anymaps
 * pnmnlfilt - non
 * 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
 * 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
 * pnmshear - shear a portable anymap by some angle
 * pnmsmooth - smooth out an image
 * pnmsplit - split a multi
 * 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
 * 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
 * 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
 * podselect - print selected sections of pod documentation on standard output
 * polkit - Authorization Framework
 * polkitd - PolicyKit daemon
 * poll - wait for some event on a file descriptor
 * posix_fallocate - allocate file space
 * posix_madvise - give advice about patterns of memory usage
 * posix_openpt - open a pseudoterminal device
 * posix_spawn - spawn a process
 * posixoptions - optional parts of the POSIX standard
 * postalias - Postfix alias database maintenance
 * postcat - show Postfix queue file contents
 * postconf - Postfix configuration parameters
 * postdrop - Postfix mail posting utility
 * postkick - kick a Postfix service
 * postlock - lock mail folder and execute command
 * postlog - Postfix
 * postlogd (8postfix) - Postfix internal log server
 * postmap - Postfix lookup table management
 * postmulti - Postfix multi
 * postqueue - Postfix queue control
 * postscreen (8postfix) - Postfix zombie blocker
 * postsuper - Postfix superintendent
 * posttls - finger
 * pow - 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
 * 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
 * ppmforge - fractal forgeries of clouds
 * 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
 * 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
 * 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
 * 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
 * ppmtompeg - encodes MPEG
 * 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
 * pppconfig - configure pppd to connect to the Internet
 * pppd - radattr
 * pppdump - convert PPP record file to readable format
 * pppoe - discovery
 * pppoeconf - configures a PPPoE (ADSL) connection
 * pppstats - print PPP statistics
 * pptp - PPTP driver
 * pptpsetup - Point
 * pr - convert text files for printing
 * prctl - operations on a process
 * pread - read from or write to a file descriptor at a given offset
 * preadv - read or write data into multiple buffers
 * precat - prefix delta compressor for Aspell
 * preconv - convert encoding of input files to something GNU troff understands
 * prename (1p) - renames multiple files
 * prezip - bin
 * prime (1ssl) - compute prime numbers
 * printafm - Print the metrics from a Postscript font in AFM format using ghost...
 * printenv - print all or part of environment
 * printer - profile
 * printerbanner - print large banner on printer
 * printers.conf - printer configuration file for cups
 * printf - format and print data
 * prlimit - get and set process resource limits
 * proc - process information pseudo
 * process - keyring
 * process_vm_readv - transfer data between process address spaces
 * procps - report a snapshot of the current processes.
 * profil - execution time profile
 * program_invocation_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 - certificates (7ssl)
 * proxymap (8postfix) - Postfix lookup table proxy server
 * prtstat - print statistics of a process
 * prune - Prune directed graphs
 * 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
 * ps2pdf13 - Convert PostScript to PDF 1.3 (Acrobat 4
 * ps2pdf14 - Convert PostScript to PDF 1.4 (Acrobat 5
 * ps2pdfwr - Convert PostScript to PDF without specifying CompatibilityLevel
 * 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
 * psiginfo - 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
 * pstree - display a tree of processes
 * ptar - a tar
 * 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
 * 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_cancel - send a cancellation request to a thread
 * pthread_cleanup_pop - push and pop thread cancellation clean
 * 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
 * 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_mutexattr_getpshared - get/set process
 * 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_rwlockattr_getkind_np - set/get the read
 * pthread_self - obtain ID of the calling thread
 * pthread_setcancelstate - set cancelability state and type
 * 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_lock - 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_yield - yield the processor
 * pthreads - POSIX threads
 * ptmx - pseudoterminal master and slave
 * ptrace - process trace
 * ptsname - get the name of the slave pseudoterminal
 * ptx - produce a permuted index of file contents
 * pty - pseudoterminal interfaces
 * pulseaudio - The PulseAudio Sound System
 * putenv - change or add an environment variable
 * putgrent - write a group database entry to a file
 * putpwent - write a password file entry
 * putwchar - write a wide character to standard output
 * 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
 * pxelinux - options
 * py3clean - removes .pyc and .pyo files
 * py3compile - byte compile Python 3 source files
 * py3versions - print python3 version information
 * pycompile - byte compile Python source files
 * pydoc2 - the Python documentation tool
 * pygettext2 - Python equivalent of xgettext
 * pyjwt3 - Python implementation of JSON Web Token
 * pysetup3.8 - pysetup tool
 * python2 - an interpreted
 * python3.8 - config
 * pyversions - print python version information
 * qmgr (8postfix) - Postfix queue manager
 * qmqp - sink
 * 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
 * qsort - sort an array
 * qt - faststart
 * 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
 * raise - send a signal to the caller
 * ram - ram disk device
 * rand - pseudo
 * rand (1ssl) - generate pseudo
 * RAND (7ssl) - the OpenSSL random generator
 * RAND_DRBG (7ssl) - the deterministic random bit generator
 * random - kernel random number source devices
 * 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
 * raw - bind a Linux raw character device
 * rawtopgm - convert raw grayscale bytes into a portable graymap
 * rawtoppm - convert raw RGB bytes into a portable pixmap
 * rbash - restricted bash
 * 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
 * re_comp - BSD regex functions
 * re_format - POSIX.2 regular expressions
 * read - read from a file descriptor
 * readahead - initiate file readahead into page cache
 * readdir - read a directory
 * readdir (3am) - directory input parser for gawk
 * 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
 * realpath - print the resolved path
 * recno - record number database access method
 * recode - sr
 * recountdiff - recompute patch counts and offsets
 * recv - receive a message from a socket
 * recvmmsg - receive multiple messages on a socket
 * redland - Resource Description Framework (RDF) Library
 * regcomp - POSIX regex functions
 * regdbdump - parse and print out regulatory rules file
 * regexp_table - format of Postfix regular expression tables
 * register - stardata
 * regulatory.bin - The Linux wireless regulatory database
 * reiserfstune - The tunning tool for the ReiserFS filesystem.
 * relocated - Postfix relocated table format
 * remap_file_pages - create a nonlinear file mapping
 * remove - default
 * remquo - remainder and part of quotient
 * rename - change the name or location of a file
 * rename.ul - rename files
 * 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 - request a key from the kernel's key management facility
 * reset - terminal initialization
 * resize_reiserfs - resizer tool for the ReiserFS filesystem
 * resize2fs - ext2/ext3/ext4 file system resizer
 * resizecons - change kernel idea of the console size
 * resizepart - tell the kernel about the new size of a partition
 * resolvconf - Resolve domain names
 * resolved.conf - Network Name Resolution configuration files
 * 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
 * rewinddir - reset directory stream
 * rexec - 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 - client
 * rifle - ranger's file opener
 * 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 - delete a directory
 * rmic - Generates stub
 * 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
 * rnano - a restricted nano
 * rotatelogs - Piped logging program to rotate Apache logs
 * route - show / manipulate the IP routing table
 * routel - list routes with pretty output format
 * rpcclient - tool for executing client side MS
 * rpcgen - an RPC protocol compiler
 * rpm - misc
 * 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
 * RSA - PSS (7ssl)
 * rsa (1ssl) - RSA key processing tool
 * rsautl (1ssl) - RSA utility
 * 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
 * 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
 * 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
 * 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
 * runcon - run command with specified security context
 * runlevel - Print previous and current SysV runlevel
 * runuser - run a command with substitute user and group ID
 * rwarray (3am) - write and read gawk arrays to/from files
 * s_client (1ssl) - SSL/TLS client program
 * s_server (1ssl) - SSL/TLS server program
 * s_time (1ssl) - SSL/TLS performance timing program
 * s390_guarded_storage - operations with z/Architecture guarded storage facility
 * s390_pci_mmio_read - transfer data to/from PCI MMIO memory page
 * s390_runtime_instr - enable/disable s390 CPU run
 * s390_sthyi - emulate STHYI instruction
 * sa - summarizes accounting information
 * samba - regedit
 * sane - abaton
 * 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
 * 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
 * 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_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
 * scr_dump - format of curses screen
 * screendump - dump the contents of a virtual console to stdout
 * script - make typescript of terminal session
 * scriptreplay - play back typescripts
 * scrypt (7ssl) - EVP_PKEY scrypt KDF support
 * sd - boot
 * sdptool - control and interrogate SDP servers
 * seahorse - Passwords and Keys
 * seccomp - operate on Secure Computing state of the process
 * securetty - file which lists terminals from which root can log in
 * sed - stream editor for filtering and transforming text
 * 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_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_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
 * send - send a message on a socket
 * sendfile - transfer data between file descriptors
 * sendmmsg - send multiple messages on a socket
 * sensible - browser
 * sensors.conf - libsensors configuration file
 * sepermit.conf - configuration file for the pam_sepermit module
 * seq - print a sequence of numbers
 * Sereal - Decoder (3pm)
 * 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
 * sessreg - manage utmpx/wtmpx entries for non
 * set_mempolicy - set default NUMA memory policy for a thread and its children
 * set_tid_address - set pointer to thread ID
 * setbuf - stream buffering operations
 * setcap - set file capabilities
 * setcifsacl - Userspace helper to alter an ACL in a security descriptor for Comm...
 * 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
 * setfsgid - set group identity used for filesystem checks
 * setfsuid - set user identity used for filesystem checks
 * setgid - set group identity
 * setkeycodes - load kernel scancode
 * setleds - set the keyboard leds
 * setlocale - set the current locale
 * setlogcons - Send kernel messages to console N
 * setlogmask - set log priority mask
 * setmetamode - define the keyboard meta key handling
 * setns - reassociate thread with a namespace
 * setpci - configure PCI devices
 * setpriv - run a program with different Linux privilege settings
 * setregid - set real and/or effective user or group ID
 * setresgid - set real
 * setsid - creates a session and sets the process group ID
 * setterm - set terminal attributes
 * setuid - set user identity
 * setup - setup devices and filesystems
 * setupcon - sets up the font and the keyboard on the console
 * setvesablank - Turn VESA screen blanking on or off
 * setvtrgb - customize the console color map
 * setxkbmap - set the keyboard using the X Keyboard Extension
 * sfdp - filter for drawing large undirected graphs
 * sftp - OpenSSH secure file transfer
 * sg - execute command as different group ID
 * sgetmask - manipulation of signal mask (obsolete)
 * sgitopnm - convert a SGI image file to a portable anymap
 * 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
 * shmat - System V shared memory operations
 * shmctl - System V shared memory control
 * shmget - allocates a System V shared memory segment
 * 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
 * shred - overwrite a file to hide its contents
 * shuf - generate random permutations
 * sigaddset - POSIX signal set operations
 * sigaltstack - set and/or get signal stack context
 * sigblock - BSD signal API
 * sigevent - structure for notification from asynchronous routines
 * sighold - System V signal API
 * siginterrupt - allow signals to interrupt system calls
 * signal - safety
 * signalfd - create a file descriptor for accepting signals
 * signbit - test sign of a real floating
 * significand - get mantissa of floating
 * sigpause - atomically release blocked signals and wait for interrupt
 * sigqueue - queue a signal and data to a process
 * simple - scan
 * sin - sine function
 * sincos - calculate sin and cos simultaneously
 * sinh - hyperbolic sine function
 * sirtopnm - convert a Solitaire file into a portable anymap
 * 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.conf.d - Suspend and hibernation configuration file
 * slick - greeter
 * sln - create symbolic links
 * 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
 * smbcquotas - Set or get QUOTAs of NTFS 5 shares
 * smbget - wget
 * smbgetrc - configuration file for smbget
 * smbinfo - Userspace helper to display SMB
 * 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
 * smtpd (8postfix) - Postfix SMTP server
 * snmp.conf - configuration files for the Net
 * snmp_config - handling of Net
 * snmpd.examples - example configuration for the Net
 * snmpd.internal - internal configuration of the Net
 * sock_diag - obtaining information about sockets
 * sockatmark - determine whether socket is at out
 * socket - create an endpoint for communication
 * socketcall - socket system calls
 * socketmap_table - Postfix socketmap table lookup client
 * socketpair - create a pair of connected sockets
 * soelim - interpret .so requests in groff input
 * software - properties
 * 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
 * speaker - test
 * speed (1ssl) - test library performance
 * 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 - logfile
 * splitdiff - separate out incremental patches
 * splitfont - extract characters from an ISO
 * sponge - soak up standard input and write to a file
 * 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
 * sqrt - square root function
 * squiggle - browser for SVG files
 * srp (1ssl) - maintain SRP password file
 * ss - another utility to investigate sockets
 * ssh_config - OpenSSH client configuration file
 * ssl (7ssl) - OpenSSL SSL/TLS library
 * st - SCSI tape device
 * st4topgm - convert an SBIG ST4 format file into a portable graymap
 * standards - C and UNIX Standards
 * 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
 * startx - initialize an X session
 * stat - display file or file system status
 * statx - get file status (extended)
 * stdarg - variable argument lists
 * stdbuf - Run COMMAND
 * stderr - standard I/O streams
 * stdio - standard input/output library functions
 * stdio_ext - interfaces to stdio FILE structure
 * stime - set time
 * stl2gts - convert an STL file to GTS format.
 * storeutl (1ssl) - STORE utility
 * stpcpy - copy a string returning a pointer to its end
 * stpncpy - copy a fixed
 * strace - log
 * strcasecmp - compare two strings ignoring case
 * strcat - concatenate two strings
 * 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
 * streamer - record audio and/or video
 * streamripper - rip shoutcast radio streams to mp3 files
 * strerror - return string describing error number
 * strfmon - convert monetary value to a string
 * strfry - randomize a string
 * strftime - format date and time
 * strictures - extra (3pm)
 * strictures (3pm) - Turn on strict and make most warnings fatal
 * 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
 * strnlen - determine the length of a fixed
 * strpbrk - search a string for any of a set of bytes
 * strptime - convert a string representation of time to a time tm structure
 * strsep - extract token from string
 * strsignal - return string describing signal
 * strtod - convert ASCII string to floating
 * strtoimax - convert string to integer
 * strtok - extract tokens from strings
 * strtol - convert a string to a long integer
 * strtoul - convert a string to an unsigned long integer
 * Struct - Dumb (3pm)
 * strverscmp - compare two version strings
 * strxfrm - string transformation
 * stty - change and print terminal line settings
 * Sub - Defer (3pm)
 * 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.conf - configuration for sudo front end
 * sudo_plugin - Sudo Plugin API
 * sudo_root - How to run administrative commands
 * 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
 * svipc - System V interprocess communication mechanisms
 * swab - swap adjacent bytes
 * swaplabel - print or change the label or UUID of a swap area
 * swapoff - 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
 * symcryptrun - Call a simple symmetric encryption tool
 * synaptic - graphical management of software packages
 * sync - available
 * syncfs - commit filesystem caches to disk
 * Sys - Hostname
 * syscall - indirect system call
 * syscalls - Linux system calls
 * 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 - a filesystem for exporting kernel objects
 * sysinfo - return system information
 * syslinux - legacy
 * syslinux2ansi - converts a syslinux
 * system.conf.d - System and session service manager configuration files
 * systemctl - Control the systemd system and service manager
 * systemd - analyze
 * systemd.automount - Automount unit configuration
 * systemd.device - Device unit configuration
 * systemd.directives - Index of configuration directives
 * systemd.dnssd - DNS
 * systemd.environment - generator
 * systemd.exec - Execution environment configuration
 * systemd.generator - systemd unit generators
 * systemd.index - List all manpages from the systemd project
 * systemd.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
 * systemd.netdev - Virtual Network Device configuration
 * systemd.network - Network configuration
 * systemd.offline - updates
 * systemd.path - Path unit configuration
 * systemd.preset - Service enablement presets
 * systemd.resource - control
 * 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
 * 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
 * tabs - set tabs on a terminal
 * tac - concatenate and print files in reverse
 * tail - output the last part of files
 * tan - tangent function
 * tanh - hyperbolic tangent function
 * tar - an archiving utility
 * tarcat - concatenates the pieces of a GNU tar multi
 * taskset - set or retrieve a process's CPU affinity
 * tc - actions
 * tcgetpgrp - get and set terminal foreground process group
 * tcp_table - Postfix client/server table lookup protocol
 * tcpdump - dump traffic on a network
 * tdelete - manage a binary search tree
 * tee - duplicating pipe content
 * telinit - Change SysV runlevel
 * telldir - return current location in directory stream
 * telnet - user interface to the TELNET protocol
 * tempfile - create a temporary file in a safe manner
 * tempnam - create a name for a temporary file
 * term - conventions for naming terminal types
 * termcap - terminal capability database
 * terminal - colors.d
 * terminfo - terminal capability data base
 * termio - System V terminal driver interface
 * test - check file types and compare values
 * testparm - check an smb.conf configuration file for internal correctness
 * Text - CharWidth (3pm)
 * textdomain - set domain for future gettext calls
 * tgamma - true gamma function
 * tgatoppm - convert TrueVision Targa file into a portable pixmap
 * tgz - makes a gzip'd tar archive
 * thermal - conf.xml
 * thermald - start Linux thermal daemon
 * thinkjettopbm - convert HP ThinkJet printer commands file to PBM
 * thunderbird - thunderbird
 * tic - the terminfo entry
 * Tie - IxHash (3pm)
 * tifftopnm - convert a TIFF file into a portable anymap
 * tificc - little cms ICC profile applier for TIFF.
 * time - get time in seconds
 * time (3am) - time functions for gawk
 * time.conf - configuration file for the pam_time module
 * timedatectl - Control the system time and date
 * timegm - inverses of gmtime and localtime
 * timeout - run a command with a time limit
 * timer_create - create a POSIX per
 * timer_delete - delete a POSIX per
 * timer_getoverrun - get overrun count for a POSIX per
 * timer_gettime - arm/disarm and fetch state of POSIX per
 * timeradd - timeval operations
 * timerfd_create - timers that notify via file descriptors
 * times - get process times
 * timesyncd.conf - Network Time Synchronization configuration files
 * tipc - bearer
 * tldr - hs
 * tload - graphic representation of system load average
 * tlsmgr (8postfix) - Postfix TLS session cache and PRNG manager
 * tlsproxy (8postfix) - Postfix TLS proxy
 * tmpfile - create a temporary file
 * tmpfiles.d - Configuration for creation
 * toascii - convert character to ASCII
 * toe - table of (terminfo) entries
 * toilet - display large colourful characters
 * tolower - convert uppercase or lowercase
 * top - display Linux processes
 * towlower - convert a wide character to lowercase
 * towupper - convert a wide character to uppercase
 * tput - initialize a terminal or query terminfo database
 * tr - translate or delete characters
 * tracepath - traces path to a network host discovering MTU along this path
 * traceroute6 - traces path to a network host
 * transform - apply geometric transformations to the input.
 * transicc - little cms ColorSpace conversion calculator.
 * transmission - gtk
 * transport - Postfix transport table format
 * transset - Set transparency on a window
 * tred - transitive reduction filter for directed graphs
 * trivial - rewrite (8postfix)
 * troff - the troff processor of the groff text formatting system
 * trunc - round to integer
 * truncate - shrink or extend the size of a file to the specified size
 * trust - Tool for operating on the trust policy store
 * ts - timestamp input
 * ts (1ssl) - Time Stamping Authority tool (client/server)
 * tsget (1ssl) - Time Stamping HTTP/HTTPS client
 * tsort - perform topological sort
 * ttf2svg - font converter for SVG
 * tty - controlling terminal
 * ttyname - 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
 * twopi - filter for radial layouts of graphs
 * Type - Coercion (3pm)
 * Types - Common
 * tzfile - timezone information
 * tzselect - select a timezone
 * ua - Manage Ubuntu Advantage services from Canonical
 * ualarm - schedule signal after given number of microseconds
 * ubuntu - advantage
 * ucf - Update Configuration File: preserve user changes in configuration ...
 * ucf.conf - site
 * ucfq - query the ucf database
 * ucfr - Update Configuration File Registry: associate packages with config...
 * ucs2any - generate BDF fonts containing subsets of ISO 10646
 * 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 - framework
 * ul - do underlining
 * 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 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
 * undocumented - undocumented library functions
 * unexpand - convert spaces to tabs
 * unflatten - adjust directed graphs to improve layout aspect ratio
 * ungetwc - push back a wide character onto a FILE stream
 * unicode - universal character set
 * unicode_start - put keyboard and console in unicode mode
 * unicode_stop - revert keyboard and console from unicode mode
 * 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
 * unlinkat - delete a name and possibly the file it refers to
 * unlockpt - unlock a pseudoterminal master/slave pair
 * 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 - nonfree
 * 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
 * unzipsfx - self
 * update - alternatives
 * updatedb - update a database for mlocate
 * updatedb.conf - a configuration file for updatedb
 * UPower - System
 * upowerd - UPower Daemon
 * uptime - Tell how long the system has been running.
 * uri - uniform resource identifier (URI)
 * URI (3pm) - Uniform Resource Identifiers (absolute and relative)
 * usb - devices
 * usb_modeswitch - control the mode of 'multi
 * 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
 * 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
 * user@.service - System units to manage user processes
 * 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
 * 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
 * utf8 - an ASCII compatible multibyte Unicode encoding
 * utime - change file last access and modification times
 * utmp - login records
 * utmpdump - dump UTMP and WTMP files in raw format
 * 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
 * validlocale - Test if a given locale is available
 * Variable - Magic (3pm)
 * variables - Format of specifying variable names to SNMP tools.
 * VBoxHeadless - x86 virtualization solution
 * vcs - virtual console memory
 * vcstime - Show time in upper right hand corner of the console screen
 * vcut - cuts Ogg Vorbis files
 * vdso - overview of the virtual ELF dynamic shared object
 * verify (1ssl) - Utility to verify certificates
 * verify (8postfix) - Postfix address verification server
 * version (1ssl) - print OpenSSL version information
 * vesa - Generic VESA video driver
 * veth - Virtual Ethernet Device
 * vfork - create a child process and block parent
 * 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
 * vidir - edit directories and filenames
 * viewres - graphical class browser for Xt
 * vigr - edit the password
 * vimdiff - edit two
 * vimdot - Combined text editor and dot viewer
 * vimtutor - the Vim tutor
 * vipe - edit pipe
 * virtual - Postfix virtual alias table format
 * virtual (8postfix) - Postfix virtual domain mail delivery agent
 * visudo - edit the sudoers file
 * vm86 - enter virtual 8086 mode
 * vmsplice - splice user pages to/from a pipe
 * vmstat - Report virtual memory statistics
 * vmware - VMware SVGA video driver
 * volname - return volume name
 * vorbiscomment - List or edit comments in Ogg Vorbis files
 * vorbistagedit - allows batch editing of vorbis comments with an editor
 * vpddecode - VPD structure decoder
 * vsock - Linux VSOCK address family
 * vstp - VisioBraille file transferring
 * w - Show who is logged on and what they are doing.
 * w3m - a text based web browser and pager
 * w3mman - an interface to the on
 * wacom - Wacom input driver
 * wait - wait for process to change state
 * wall - write a message to all users
 * watch - execute a program periodically
 * 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
 * wcpcpy - copy a wide
 * wcrtomb - convert a wide character to a multibyte sequence
 * wcscasecmp - compare two wide
 * wcscat - concatenate two wide
 * wcschr - search a wide character in a wide
 * wcscspn - search a wide
 * wcsdup - duplicate a wide
 * wcslen - determine the length of a wide
 * wcsncasecmp - compare two fixed
 * wcsnrtombs - convert a wide
 * wcsspn - advance in a wide
 * wcsstr - locate a substring in a wide
 * wcstoimax - convert wide
 * wcstok - split wide
 * wcswidth - determine columns needed for a fixed
 * wctob - try to represent a wide character as a single byte
 * wcwidth - determine columns needed for a wide character
 * wdctl - show hardware watchdog status
 * web2disk - web2disk
 * WebService - MusicBrainz (3pm)
 * wget - The non
 * whatis - display one
 * whereis - locate the binary
 * which - locate a command
 * who - show who is logged on
 * whoami - print effective userid
 * wineconsole - stable
 * 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.
 * wmemcmp - compare two arrays of wide
 * wmemcpy - copy an array of wide
 * wmemset - fill an array of wide
 * wordexp - perform word expansion like a posix
 * wordgrinder - console
 * words - a list of french words
 * wpa_action - wpa_cli action script
 * wpa_background - Background information on Wi
 * wpa_cli - WPA command line client
 * wpa_passphrase - Generate a WPA PSK from an ASCII passphrase for a SSID
 * wpa_supplicant - Wi
 * wpa_supplicant.conf - configuration file for wpa_supplicant
 * write - send a message to another user
 * wrjpgcom - insert text comments into a JPEG file
 * www - browser
 * X11 - Auth (3pm)
 * x11perf - X11 server performance test program
 * x11perfcomp - X11 server performance comparison program
 * x25 - ITU
 * X25519 (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
 * xargs - build and execute command lines from standard input
 * Xau - X authority database routines
 * xauth - X authority file utility
 * xbiff - mailbox flag for X
 * xbmtopbm - convert an X11 or X10 bitmap into a portable bitmap
 * xbrlapi - X11 BrlAPI helper for Linux/Unix
 * xcalc - scientific calculator for X
 * xclip - copyfile
 * 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
 * xconsole - monitor system console messages with X
 * XConsortium - X Consortium information
 * xcursorgen - create an X cursor file from a collection of PNG images
 * xcutsel - interchange between cut buffer and selection
 * xdg - dbus
 * xditview - display ditroff output
 * xdpyinfo - display information utility for X
 * xdr - library routines for external data representation
 * xdriinfo - query configuration information of DRI drivers
 * xed - The Text Editor
 * xedit - simple text editor for X
 * Xephyr - X server outputting to a window on a pre
 * 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
 * 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
 * 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
 * xinit - X Window System initializer
 * 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
 * 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
 * XML - LibXML (3pm)
 * 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.wrap - Xorg X server binary wrapper
 * XOrgFoundation - X.Org Foundation information
 * xpmtoppm - convert an X11 pixmap into a portable pixmap
 * XProjectTeam - X.Org Group information
 * xprop - property displayer for X
 * 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
 * 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
 * xset - user preference utility for X
 * 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
 * xsubpp - compiler to convert Perl XS code into C code
 * xtables - compat
 * XtAddActions - register an action table
 * XtAddCallback - 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
 * XtAllocateGC - obtain a sharable GC with modifiable fields
 * XtAppAddActionHook - register an action hook procedure
 * XtAppAddBlockHook - register a block hook procedure
 * 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
 * XtAppGetErrorDatabase - obtain error database
 * XtAppGetExitFlag - thread support functions
 * XtAppGetSelectionTimeout - set and obtain selection timeout values
 * XtAppInitialize - initialize
 * XtAppLock - lock and unlock application context
 * XtAppMainLoop - query and process events and input
 * XtAppReleaseCacheRefs - decrement reference counts for resources
 * XtAppSetFallbackResources - set fallback resources
 * 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
 * XtCallCallbackList - process callbacks
 * 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
 * XtConfigureWidget - move and resize widgets
 * XtConvertCase - convert KeySym to KeyCodes
 * XtCreateManagedWidget - create and destroy widgets
 * XtCreatePopupShell - create a popup shell
 * XtCreateWindow - window creation convenience function
 * XtDisownSelection - set selection owner
 * XtDispatchEventToWidget - extension event handling
 * XtDisplay - 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
 * 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
 * XtGetGC - obtain and destroy a sharable GC
 * XtGetKeysymTable - query keysyms and keycodes
 * XtGetMultiClickTime - set and get multi
 * XtGetSelectionParameters - retrieve target parameters for a selection request with a ...
 * XtGetSelectionRequest - retrieve the event that triggered the XtConvertSelectionProc
 * XtGetSelectionValue - obtain selection values
 * XtGetSubresources - obtain subresources
 * XtGetSubvalues - obtain and set widget resources
 * XtGrabButton - manage grabs
 * XtHooksOfDisplay - external agent access points
 * XtInitializeWidgetClass - initialize a widget class
 * XtInstallAccelerators - managing accelerator tables
 * XtIsRealized - realize and unrealize widgets
 * XtIsSensitive - set and check a widget's sensitivity state
 * XtLastEventProcessed - last event
 * XtMakeGeometryRequest - make geometry manager request
 * XtMapWidget - map and unmap widgets
 * XtMergeArgLists - set and merge ArgLists
 * XtName - obtain widget's name
 * XtNameToWidget - translating strings to widgets or widgets to windows
 * XtNumber - determine the byte offset or number of array elements
 * XtParent - obtain widget's parent widget id
 * XtProcessLock - lock and unlock process
 * XtQueryGeometry - query the preferred geometry of a child widget
 * XtRegisterDrawable - register a drawable with the Intrinsics event dispatcher
 * XtRegisterGrabAction - register button and key grabs
 * XtReleasePropertyAtom - maintain a cache of property atoms
 * XtResolvePathname - search for a file using standard substitution
 * XtSendSelectionRequest - bundle multiple selection conversion requests into a single ...
 * XtSessionGetToken - token management for checkpointing
 * XtSetKeyboardFocus - focus events on a child widget
 * XtSetLanguageProc - set the language procedure
 * XtSetSelectionParameters - specify target parameters for a selection request with a s...
 * XtSetWMColormapWindows - Set the value of the WM_COLORMAP_WINDOWS property
 * XtToolkitThreadInitialize - initialize the toolkit for multiple threads
 * XtTranslateCoords - translate widget coordinates
 * XtVaCreateArgsList - dynamically allocate a varargs list
 * xvidtune - video mode tuner for Xorg
 * xviewer - an image viewer
 * xvinfo - Print out X
 * 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
 * xwud - image displayer for X
 * xxd - make a hexdump or do the reverse.
 * y0 - Bessel functions of the second kind
 * YAML - LibYAML (3pm)
 * ybmtopbm - convert a Bennet Yee "face" file into a portable bitmap
 * yelp - browse system documentation
 * yes - output a string repeatedly until killed
 * youtube - dl
 * yuvsplittoppm - convert a Y
 * yuvtoppm - convert Abekas YUV bytes into a portable pixmap
 * 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
 * zforce - force a '.gz' extension on all gzip files
 * 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
 * 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
 * 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
 * FALSE - do nothing