Similar to Chmod

Ls

Ar (Unix)

At (command)

AWK

Bc (programming language)

Cal (command)

Cat (Unix)

Cd (command)

Chgrp

Chown

Cksum

Cmp (Unix)

Cp (Unix)

Cron

Ctags

Cut (Unix)

Dd (Unix)

Df (Unix)

Diff

Dirname

Du (Unix)

Echo (command)

Ed (software)

Env

Eval

Exit (command)

Expr