Check out http://arduinohq.com Learn Basic Linux Commands with This Downloadable Cheat Sheet
So you've created a kickass, play-anything media center with XBMC, but it's a too hard for your less tech-savvy friends and family members to use. Here are a few ways to make your home theater PC so easy that your four year old could use it.
3Derp's PortaBerry Pi brings the retro gaming fanatic's wildest dreams to life. It's a complex project, but it's absolutely worth the trouble. http://www.thingiverse.com/thing:321624
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