Quit Bash Shell Without Saving Bash History (5 Methods)

Sometimes it is very useful to delete / remove Bash history partially or completely when log out. Here is my favourite methods howto log out / quit / exit Bash shell without saving Bash history. Remove Only Current Session Bash History and Leave Older History Untouched 1. Quit Bash Shell Without Saving History: Unset HISTFILE unset HISTFILE && exit 2. Quit Bash Shell Without Saving History: Kill Console kill -9 $$ Remove/Delete Bash History Completely 3. Quit Bash Shell Without Saving History: Clear History Option history -c && exit 4. Quit Bash Shell Without Saving History: Set HISTSIZE to 0 (zero) HISTSIZE=0 && exit 5. Quit Bash Shell Without Saving History: Delete HISTFILE and Unset HISTFILE rm -f $HISTFILE && unset HISTFILE && exit If you want make these commands more permanent then these commands could be added on ~/.bash_logout file or used with aliases.