Shutdown system using command line

guys you can shutdown ur windows xp using command line also.
i'm giving the steps below:
Start> Run> Run Window> Type
shutdown /s it dispalys a countdown time of 30 secs to one min.

shutdown /s /f to forcefully shutdown system
shutdown /s /f /t xx to shut down the system forcefully in XX secs in place of XX u can give timeout 00,01......

To abort shutdown
shutdown /a

to restart system
shutdown /r

To hibernate
shutdown /h
to log off
shutdown /l