What we Need?????
1) Backtrack ISO File or Ubuntu ISO file
In case you dont have the ISO file. The link has given below
Download site: http://www.backtrack-linux.org/
Download site: http://www.ubuntu.com/
2) UNetbootin - Its just an application (Size around 6MB)
Download site http://unetbootin.sourceforge.net/
3) Pendrive (4GB) will be enough/
STEPS
1) Download the Backtrack or Ubuntu ISO file.
2) Insert the Pendrive
3) Run UNetbootin
4) Click On "Distribution"
Chosse your OS you want to make USB LIVE from ==Select Distribution==
Then select the Version
5) Now Click On "Diskimage"
6) Click ont he buttin pointed in a recangle and Select the ISO file of Backtrack or Ubuntu.
7) Once you have selected the ISO File then just Click on the " OK " button.
8) It will start doing its Job automatically and we dont have to do anything.
9) Within 5-10 minutes it will be completed.
10) Click on the Exit button
11) Restart your PC and change the boot to USB.
So that it will start from your USB drive.
12) Enjoy the new OS in your pendrive.
