New! 3rd anniversary blog post: From troff to HTML5 (2016-09-27).
ls, cat, grep, rsync, bash, less, htop, ssh...
Explain a Command
Delete files extracted from a
-tf file.tar.gz | xargs rm -r
Generate a random 16-char
/dev/urandom | grep -o '[[:alnum:]]' | head -n 16 | tr -d '\n'
Print the largest files or folders in the current dir (including ones starting with a
-s * .[^.]* | sort -n | tail
Those are just a few examples - it's a quick way to see what commands and their options do before running them.