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Techotopia is a library of free on-line IT books covering a wide range of topics including operating systems, programming, scripting, system administration, databases, networking and much more. The IT Essentials series of books are designed to provide detailed information that is accessible to both experienced and novice readers. Each on-line book contains everything that is needed to gain proficiency in the corresponding technology subject area.

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<td valign="top">[[Image:fedora_essentials.jpg|Click to Read Fedora Linux Essentials]]<td>[[Fedora Linux Essentials]] provides detailed information on the use and administration of Fedora Linux. The book covers the basics of configuring the desktop environment, resolving screen resolution issues and configuring the email client to send and receive email messages via web based services such as GMail. Installation topics such as dual booting with Microsoft Windows and configuring wireless networking are covered together with all important security topics such as configuring a firewall.