Trick to shutdown

Today i will tell u a trick to shut down a
computer over a network(LAN).
1 - open command prompt start search for
command prompt.
2 - enter shutdown<space>-i
3 - a dialog box will open enter computers
name to be shutdown
4 - choose shutdown or restart.
5 - you set to display any error
6 - set the time or leave to default 3 sec.
7 - done the target computer will be shutdown
after 30 sec
enjoy the freak show