Shutdowm friends Computer while chating

You can shutdown your friend's
computer through chating. This is
very simple and cool trick. Kindly
follow these steps :-
Step 1: Before going to start clear
all history, all cookies, stop all
downloading and close all extra
tabs. Mean to say stop all internet
activities. Now go to your
messanger and start chating with
the victim.
Step 2: Go the start and click on
run.
Step 3: In run command type
cmd.exe and hit enter.
Step 4: A black screen will appear.
This is command prompt. In this
box type "netstat -n" (without
quotes).
Step 5: Now if you done the step
one correctly you see only one ip
address many times (ip should be
of victim).
Step 6: Now again, type "shutdown
-i"(without quotes).A box will
appear now click on add button.A
small box will pop up. Now type ip
address of computer which you
get from "netstat -n" command.
Step 7: Now there are three
options click on shutdown.
Step 8: To show a message to
victim's computer check the "warm
users of the action" and set the
number of seconds.
Step 9: Now select any option in
shutdown event tracker.
Step 10: Now comes the best part
of the prank. In last type your
message like you got hacked and
we destroy your computer. After
this shutdown your computer is
not going to start(type anything
that scare your victim). Now click
on ok and you are done.