22.18 Clear Your Terminal for Security, to Stop Burn-in
command reads your
entry to find out how to erase your screen, then it sends that command.
If you're typing something confidential that other people shouldn't
read, just type
If you leave your desk for a long meeting or for the day, then remember that you didn't erase your screen, you can probably clear your screen from another user's terminal. (If your system has the tty -group-write protection (22.13 ) , then you'll have to log in or su (22.22 ) to your account from the other terminal first.) If the other terminal has the same terminal type, use the command:
If you're on a different type of terminal, you'll need to set the TERM environment variable temporarily (6.10 ) before you use that command.