My "GPO" guy is on vacation at the moment, so I'm trying to figure this out... I'd like to lock the command prompt down from user access. I still need admins (local & domain) to have access. I do need ...

Linux is a multi-user environment, which means more than one user can use the system at one time. Granted, that mostly takes the form of console access (via SSH), because you can't easily have two ...