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Remove your BASH history and then link it to /dev/null
There are 3 alternatives - vote for the best!
this will cause any commands that you have executed in the current shell session to not be written in your bash_history file upon logout
Unsetting HISTFILE avoid getting current session history list saved.
Only from a remote machine:
Only access to the server will be logged, but not the command.
The same way, you can run any command without loggin it to history.
ssh user@localhost will be registered in the history as well, and it's not usable.
If you can do better, submit your command here.
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