Usage: Repeats the last command from the history.
Wed Dec 1 20:16:13 GMT 2010
Wed Dec 1 20:16:19 GMT 2010
Usage: Repeats the last command that begins with "character" from the history.
Wed Dec 1 20:17:56 GMT 2010
20:18:00 up 8:52, 1 user, load average: 0.10, 0.11, 0.09
Usage: Displays the commands recorded in the history.
Usage: Executes the command recorded in the history and identified by the number (N) specified.