Easily install your favorite Linux operating system on a flash drive or USB key no larger than your thumb (Thumb Drive). Your Portable Linux operating system can then be taken with you, and run from any computer that can boot from the USB flash device. Bring your operating system, applications, files, email, bookmarked favorites, games and more with you. It's your very own portable operating system you can carry in your pocket.Pendrivelinux provides simplified information to make it easy for anyone to install, boot, and run their favorite Linux Distro from a portable flash drive!
Take your Favorite Portable Linux Desktop with you wherever you go
Source: http://www.pendrivelinux.com/