How to create a bootable pendrive?

How to create a bootable pendrive

Requirement: one 4 GB pen drive

: One windows 7 DVD

: One computer

Steps:

Attach the pen drive in the system

Start

Cmd

DISKPART

LIST DISK

SELECT DISK 1

CLEAN

CREATE PARTITION PRIMARY

SELECT PARTITION 1

ACTIVE

FORMAT FS=NTFS

100 percentage complete after that

ASSIGN

EXIT

Insert the window 2007 cd to the pc and copy all the folder of 2007 os to the pendrive through graphical mode.

And

Cmd

F:

CD F:/BOOT

EXIT

Here f: means the path of pendrive

Now you have created a bootable pendrive you can check it by changing boot sequence to USB and restarting the system.