Shutdown Your Computer Really Fast(Without any Software or Program)

I found this Trick Somewhere so i m posting it here.It works for windows xp and cuts ur shutdown time to 5 seconds only....
Lets Start:
First Press ctrl+alt+del
This will bring up Task manager...
Now,go to shut down tab at top..
Press ctrl key and while holding it press turn off button...
that's all Your computer is shutdowned!!!!

Enjoy...