How to shutdown someone's computer on your Network or Domain.

Hey guyzz , with this trick you can shutdown,restart or logoff any computer which is connected to your computer on a Network or a Domain.Open CMD,then type "shutdown -i" then press ENTER.A dialog box will appear...then in that add the computer or write its IP address...then set what you wanna do like 'Shutdown' then set the time limit for starting Shutdown..then type a message in the comment box if you want.Then click OK..Its a really good trick to fool others..