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Linux Bible 2009 Edition: Boot up Ubuntu, Fedora, KNOPPIX, Debian, openSUSE, and more (Bible (Wiley))
$59.99
This book is loaded with helpful information that will clearly and concisely explain the fundamentals, and other advanced topics, of Linux. When I started using Linux, I had a ton of questions about the kernel and file system, and I couldn'...

Ubuntu Linux Toolbox: 1000+ Commands for Ubuntu and Debian Power Users
$24.99
Ubuntu Linux Toolbox is another great book to get a lot more familiar with Linux and the command line. The book is broken up into separate parts just like most IT functions are now.

Sections include managing the file system an...