Back in the early days when you had to dial up a mainframe, if I found a terminal where someone had not logged off at night I'd pull up this file.
AUTHORIZATION
***********
ACCEPTED
PROCEED WITH LOW LEVEL FORMATTING? Y/N
y
CONFIRM REFORMAT OF PRIMARY SYSTEM MEMORY Y/N
y
*************************************
* WARNING! *
* *
* THIS
PROCESS WILL DELETE *
* ALL
SYSTEM AND USER FILES *
* SYSTEM
RESTART WILL BE REQUIRED! *
*************************************
PRESS ANY KEY TO CONTINUE _