You can this very easily with command line if you have any operating system like win xp, 7 10
So follow my instructions
1. First of all go start button and find the run OR Press start+r button
like
2. It will open run box Type here CMD
3. Type rm cmd like
rm ~/.bash_history
4. Type cmd is ln -s to create a symlink to /dev/null
5. Now type echo > ~/.bash_history
6. Type unset HISTFILE cmd
IT WILL BE CLEAR YOUR BASH HISTORY IF YOU WANT TO EXPORT HERE TYPE export HISTFILE CMD
