How to Format Hard Drive Partition Using cmd in format the hard disk of windows 7 - cmd ie command prompt

This hard disk partition is very old and effective way to Faremt strike, sometimes it does not work because the virus when your operating system properly so you can format the partition the hard disk very easily in this manner are: 

• If you do not know what is the CMD in your PC  , you can use the run command, for this  to open the Run dialog box,  press the  Windows logo with the keyboard and press the R 
• Once the Run dialog box is open, type it as CMD and enter it.
• This will open the cmd i.e. command prompt.
• Now check this in my computer, which part of the partitioning format you can format, you can also format the USB drive, select any drive with great care, if the wrong drive is selected, then delete all your data. It may be good to take a backup of it before formatting it. 
• Suppose we have to format our computer's "I" drive. Type cmd i: and enter. Some such -

• Now when I open the drive, type " Format i: " and enter it as stap-2 in front of it . 
• Now you will be asked that if you really want to format it then you have to press Y for this and enter, your hard disk partition will be formatted. 
• But you have to do this work on your own risk, all your data will be lost in this work.