Back in 1991, a computer science student named Linus Torvalds announced on a newsgroup that he was creating a "hobby OS." That hobby was Linux, and today it's much more than a tinkerer's operating system, with availability on all manner of hardware and a seemingly unlimited array of flavors, or "distributions." Maybe you're new to Linux, or maybe you're itching to graduate from Ubuntu to something with a little more geek cred. Whatever the case, we're going to take the sting out of all those command prompts, using two great distros as examples.Continue re