If you have ever worked on a Solaris server at some point you have unplugged the keyboard or powered off a connected console when the system key was not in secure mode. What happens when you do this? The system drops to an “ok” prompt, and much fun ensues.
Of course you can prevent this by putting the system key in secure mode, you can also uncomment the KEYBOARD_ABORT=disable line in /etc/default/kbd and apply the changes by running the kbd -i command.
