File commands: ls, touch, cp, rm, ln, mv, mkdir, rmdir, df, du, chksum, chmod, chflags, chgrp, stat, readlink, compress, uncompress, gzip, gunzip. Shell commands: cd, setenv, pwd, env, printenv, date, uname, id, groups, whoami, uptime. Other commands: awk, sed, tr, grep, cat, wc, curl, scp, sftp, tar. Python: a scripting language on iOS. And with it, the ability to run mercurial (hg).