your computer affected by shutdown virus

hahaha, you know notepad? notepad is powerfull for to do something. we can creat program with notepad, we can creat html with notepad, we can creat virus with notepad, we can creat sql with notepad, etc.
ok, we open notepad. press windows+R or Star-->Run

example, we open the notepad in windows and then we type this :



@echo off
msg * your computer affected by shutdown virus
shutdown -s -c "Virus! your computer is too bad"

save with exstensions .bat
example : shutdown.bat

what happen? if we click shutdown.bat so, the computer will shutdown/die.
hahaha