Similar to Grep

8

9

13 (number)

19 (number)

40 (number)

50 (number)

70 (number)

Ar (Unix)

Bc (programming language)

Cal (command)

Cat (Unix)

Cd (command)

Chgrp

Chmod

Chown

Cksum

Cmp (Unix)

Cp (Unix)

Cron

Ctags

Cut (Unix)

Dd (Unix)

Diff

Dirname

Du (Unix)

Echo (command)