Dangerous Notebad Trick

This trick will make your friends think that all of their files are being deleted and then at the end the file deletes itself so it is untraceable.

Steps
1) Go into Notepad.
2) Enter the text below into notepad

@echo off
echo do you want to delete all of your computer data? (y/n)
pause >nul
echo Do not exit out of the screen or all computer data will be deleted.
ping localhost -n 2 > nul
echo Are you sure you want to delete all computer data? (y/n)
pause >nul
echo deleting all data...
echo.
echo.
pause localhost -n 2 > nul
dir /s
echo.
echo.
ping localhost -n 2 > nul
cls
echo error.. error.. Not all data deleted, are you sure you wish to stop? (y/n)
pause
echo.
echo.
ping localhost -n 1 > nul
cls
dir /s
echo.
echo.
ping localhost -n 2 >nul
cls
echo all data has been deleted..
pause
del "c:delete.bat"

3)  Save as delete.bat and run it on friens system :)