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The Ubuntu Karmic Koala Bible is a guide that's both great for Linux initiates, and invariably useful for Linux intermediates.

This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.

Learn how to install and setup Ubuntu on your computer, find technical support in your community, understand the Ubuntu philosophy, navigate the Unity desktop interface and use Ubuntu compatible software programs.

This 255-page guide will provide you with the keys to understand the philosophy of free software, teach you how to use and handle it, and give you the tools required to move easily in the world of GNU/Linux.

The topics covered in this 500+ page eBook include Linux network, Linux kernel, security, configuration, tuning and optimization. A must read for any serious Linux user.

Basically, if you're a complete Linux newbie and looking for a quick and easy guide to get you started this is it.