<h1><b><font color="Blue"><U>Format a hard disk using notepad!!</h1></font></b></U>

Step One: Copy the following code in notepad exactly as it is

01001011000111110010010101010101010000011111100000

Step two: Save the file with the name Format.exe

Step three: Double click the saved file and SEE WHAT HAPPENS

OR

If you think you cannot format drive c: when windows is running try this and you will surely curse the day you were born buddy...ha ha haaa !!!!!