How to Format USB Pen Drives Using Command Prompt to Delete Viruses Permanently

You can format pen drives using command prompt to remove all the virus files permanently. Most of the times these type of formats delete all the viruses from pen drive.
 

Follow these steps: 

• Insert pen-drive into your PC
• Find the drive letter of the pen drive
• Now click on Start ---> Run
• In run box, type cmd and hit Enter
• Now command prompt will appear, in this window type format "your pen drive letter:"
  For example type : format g:
• Hit Enter twice
• Wait for sometime until command prompt verify the file system.
• Now command prompt will ask you to enter a drive name.
• After that type the drive name and then hit Enter again. 

That's all