Command History
Bash lets you display or modify previous commands. Commands in the history list can be modified using:
Line-edit mode
The fc and hist commands
Bash also supports a command-history mechanism very similar to that of the C shell. This mechanism uses a history expansion character (! by default) to select a line from the history. Portions of the line are then selected to be included in the current line. Because the interactive line-editing features are considerably superior we do not cover those features here. See the Bash manpage for more information.
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