How to make pendrive Bootable with command ?

1> You will have to insert your pendrive in USB Port.
2> Now Go to Start then Select Run and press [Ctrl+R].
3> Then type ” cmd ” and press Enter to open Command Prompt.
4> Windows xp,vista,7,8 users will have to Go to Start then select All Programs then choose Accessories and after this Right-click on Command Prompt and select Run as Administrator.
5> Open Command Prompt an you will have to type DISKPART.
6> The next step is you have to type LIST DISK and press Enter and See carefully, you will see Disk 0 normally this is your Hard Disk.
7> Find your USB Device number, In my case Disk 1 is my USB pen drive.Please note that Disk 1 may not pen drive in your case, so be careful with this step.

Step :-

1> Then type SELECT Disk 1 and press Enter.
2> Now type CLEAN and press Enter, this will erase data from Disk 1, i.e. your Pen Drive.
3> Type Create Partition Primary and press Enter.
4> Type Select Partition 1 and press Enter.
5> Type Active and press Enter.
6> Type Format FS=NTFS Quick and press Enter, this will format your USB Pen Drive.
7> Type Assign and press Enter and now finally type Exit and press Enter.
8> Then copy the windows files to your pendrive.Enjoy
9> Now bootable pendrive with windows operating system is ready to install.