GNU Readline is the library used to make advanced command-line wizardry convenient and consistent across a multitude of command-line applications. These programs include bash, bc, ftp, gnuplot, gpg, ksh, mysql, psql, python, smbclient, xmllint and zsh.

The cheatsheet at the right contains a summary of many of the useful line editing command shortcuts which are available in all applications that use libreadline.