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Put Your USB Drive To Work: 5 Strategies For Going Mobile: Page 6 of 22

Why run a whole separate OS from a USB drive? Data recovery, for one: If Windows goes south, just plug in your drive, boot to it, and copy off any data trapped on the dead system. Another is if you're curious about migrating from one OS to another, and want to try it out in an extended fashion, but non-destructively -- that is, without installing anything on a hard drive, or creating dual-boot scenarios or otherwise changing the configuration of the system.



DSL is one of the Linux distributions that lends itself handily to being installed on a USB drive.

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Note that you can typically only run an OS from a USB drive if the system you're using it on supports booting from a USB device. Not every PC does -- in fact, my own late-model Sony VAIO notebook (vintage 2006) didn't, much to my dismay. You might be able to upgrade the BIOS on a machine that doesn't currently support it and thus add it after the fact, but that's entirely up to the whim of the manufacturer; check with your computer or motherboard maker first.

The OS that's most commonly booted from a USB device would have to be some variety of Linux. Look no further than PenDriveLinux for tutorials on how to get many common Linux distributions running from a USB drive, including Ubuntu,