Rot13

Perform a rot13 conversion:

echo "Linux Jedi Mind Tricks" | tr '[A-Za-z]' '[N-ZA-Mn-za-m]'

Yvahk Wrqv Zvaq Gevpxf

echo "Yvahk Wrqv Zvaq Gevpxf" | tr '[A-Za-z]' '[N-ZA-Mn-za-m]'

Linux Jedi Mind Tricks