Every time we run a command, that’s memorized in the history.
You can display all the history using:
This shows the history with numbers:
You can use the syntax
!<command number> to repeat a command stored in the history, in the above example typing
!121 will repeat the
ls -al | wc -l command.
Typically the last 500 commands are stored in the history.
You can combine this with
grep to find a command you ran:
history | grep docker
To clear the history, run
historycommand works on Linux, macOS, WSL, and anywhere you have a UNIX environment