Beginner's Linux

[Xenogil]

I recently got a P.C. from a relative, and I'm putting version 7.1 on it. I'll probabally have quite a few questions about the OS, and if any of you could help out, I'd gladly appreciate it. Here's one:

--- I've been looking for multimedia programs that are Linux compatible that can play media player files and whatnot. MPlayer seems like a good program to use. If anyone here as ever used MPlayer, or uses a different one, please let me know how it performs.

If you have any other advice to give to me about using Linux, please let me know.