For Linux and Shell scripting.

HISTTIMEFORMAT: add execution time to Linux’s history file

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As you might know, Linux logs all the commands executed on a shell prompt to its history file. The file is .bash_history by default, but you can change it. Also, you can change HISTTIMEFORMAT to enable timestamping to history.

If you add the following line to your bashrc or bash_profile, the time stamp information associated with each history entry will be written to the history file.

HISTTIMEFORMAT=”%h-%d-%Y – %H:%M:%S ”


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