Clears your screen
The clear command changes this:
$ date Tue Dec 19 21:16:03 CST 2000 $ cal December 2000 S M Tu W Th F S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 $ clear
To this:
$
The clear command changes this:
$ date Tue Dec 19 21:16:03 CST 2000 $ cal December 2000 S M Tu W Th F S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 $ clear
To this:
$