The C Shell in Unix has the capability to recall previously-issued commands. These previous commands are maintained in a history file which is accessible to the Shell and can be re-issued by the user. Click for more information.

A record of all the commands used by each user. Works only with the BASH, Korn and C shells.

(Korn/Bash) shows the most recent commands run by this user.

csh Display recently typed commands, see csh

A menu and a popup that shows you the last 32 entries you have viewed. Selecting one of them will display it again. If necessary, the journal and notebook panes will be swpped to do this. Keying command-1 will enable you to switch back and forth between the last two entries.

A list of the most recently accessed commands, files, folders, or help topics.

The history command tracks the current session of what ever software that you are using. You can usually go back in your history and check what you have done.

SM remembers commands as you type them, so that you can repeat them or modify them (which includes correcting mistakes). The set of remembered commands is referred to as the history buffer.

A list of PowerAda debugger commands entered recently. The history command has a default list of the 20 most recently entered commands. You can use history to re-enter a previous command, or to form a new command by editing the history reference text.