For security reason you may want to clear the history file and the screen when you hit CTRL+D or type logout command as you don’t want to left content on screen (i..e avoid an information leak). Some Linux distro may clear the screen but others do not clear the screen when you logout.
When a login shell exits, bash reads and executes commands from the file ~/.bash_logout, if it exists. Basically you can use this file as the individual login shell cleanup file, executed when a login shell exits.
There is a simple solution to this problem, open your ~/.bash_logout file:
$ vi ~/.bash_logout
Append any one of the following command:
You can also reset your history by appending following commands:
First one will clear bash history and 2nd command will clear mysql command history using shell REDIRECTION operator >.
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