By default, the history command shows just the command number and the command.
it could be very useful to add a timestamp to be shown, this can help you to monitor things by the time you run something.
To add the timestamp you need to export the next command:
# export HISTTIMEFORMAT='%F %T '
if you want, you can add this line to your profile, so next you boot your machine, it will run automatic:
just edit /etc/profile and add the line above.
Best Regards
