We’ve shown you how to run XP from a USB drive, and now it’s Ubuntu’s turn. Learn step by step how to prep your drive for Ubuntu. Running an OS from a flash drive can be useful sometimes, you can even recover data from a damaged hard drive.This tutorial will show you how to install, boot, and run the popular Linux OS, Ubuntu from your flash drive. You will be able to automatically save your changes and settings back to the flash drive and restore them on each boot using a second partition.
You can run Ubuntu with all your settings and files, even if you don’t have your own computer with you. You will have a whole, powerful operating system in your pocket!
Full article here: Boot and Run Ubuntu from a USB Drive | Hack N Mod