Wow, this is probably the best linux/unix guide I've seen. It covers topics in good detail but not in so much detail that it becomes boring or difficult to refe

Wow, this is probably the best linux/unix guide I've seen. It covers topics in good detail but not in so much detail that it becomes boring or difficult to refer to. Clear code sample and no fluff. Thanks for sharing. I predict I'll refer to these docs quite frequently in the future.