"It's little wonder why Ubuntu is one of the leading Linux
distributions for desktop PCs; it makes installing Linux simple.
("Ubuntu Linux: The Easy Installation Guide" will walk you through
it, step by step.) But once you have Ubuntu installed on your PC,
"The short answer is: Whatever you like. Ubuntu may be free, but
it's hardly a toy OS. If you can do something with Windows or Mac
OS X, you can do the same thing with Ubuntu.
"Figuring out how to do what you want isn't always obvious,
however, and Ubuntu has its own concepts and quirks that set it
apart from other OSs. Experience is usually the best teacher, but
if you need a gentle push in the right direction, this guide offers
a novice's tour of the Linux desktop--so fire up your Ubuntu system
and follow along!"