- Clean command history
# history -c
- Permanently disable bash history
# echo 'set +o history' >> ~/.bashrc
- Disable command history system wide
# echo 'set +o history' >> /etc/profile
- Disable history for current shell
# set +o history
# history -c
# echo 'set +o history' >> ~/.bashrc
# echo 'set +o history' >> /etc/profile
# set +o history