Ubuntu Unleashed is the second edition written by the authors of the popular Fedora Unleashed books. It includes new and additional material based on the latest release of the Ubuntu Linux distribution, Feisty Fawn. Incorporating an advanced approach to presenting information about Ubuntu, the book aims to provide the best and latest information that intermediate to advanced Linux users need to know about installation, configuration, system administration, server operations, and security. The book thoroughly covers all of Ubuntu's software packages, including up-to-date material on new applications, web development, peripherals, and programming languages. It also includes updated discussion of the architecture of the Linux kernel, USB, KDE, GNOME, broadband access, routing, gateways, firewalls, disk tuning, GCC, Perl, Python, CUPS (printing), wireless support, international support, Java programs support, and security.