The A+ Certification & PC Repair Handbook (Charles River Media Networking/Security)

Allows you to shut down, restart, or log a user off the computer. Used without switches, SHUTDOWN will log off the current user.

Use

Type “SHUTDOWN” followed by any desired switches.

Switches

-s: Shuts down the computer.

-r: Reboots the computer.

-f: Forces any running programs to close.

-t followed by a space and a number of seconds: This sets the timer for system shutdown in the specified number of seconds. The default is 20 seconds.

-a: Aborts shutdown. If you run shutdown and then change your mind, during the timed interval before the machine shuts down you can abort the shutdown by running SHUTDOWN -a.