LINUX

Distro  UbuntuBest Linux starter OS (test run from a Live CD or perform a full install to a partition or clean hard drive.)
Distro  AndLinuxA complete Ubuntu Linux system running seamlessly inside Windows 2000 based systems (2000, XP, 2003, Vista; 32-bit versions only). This is still in Beta but stable.
Distro  WubiWubi is an unofficial Ubuntu installer for Windows and easiest way to test Ubuntu.
Distro  PCLinuxOSAwesome Linux Distro...with best driver support.
Distro  SabayonAwesome Linux Distro...desktop on a cube.
File Manager  KrusaderKrusader bills itself as the twin panel file manager for KDE.
Forum  UbuntuForumNeed help with Ubuntu, this is the place.
Linux Software  LinuxEQWindows software and the Linux equivalents and alternatives.
Linux Portable  LinuxUSBThese portable Linux versions can be run from any computer that can boot from a flash device.
Tutorial  LinuxRealityA podcast for the new Linux user.
Tutorial  LinuxHowTo20 how to guides for Linux.
Tutorial  LinuxOnlineClassesWe will provide you with the latest content for the Linux Operating system.
Tutorial  UbuntuGuideA comprehensive guide to using Ubuntu in a desktop environment.
Tutorial  Official Ubuntu BookIncludes troubleshooting advice contributed by Ubuntu users from around the world.
Tutorial  UbuntuLinuxEssentialsOnline book with everything you need to know for Ubuntu.
Ubuntu  Firewall ArticleAbout Ubuntu Firewalls.
Unix  DesktopBSCUnix/DesktopBSC/A UNIX-derivative, desktop-oriented operating system based on FreeBSD. Its goal is to combine the stability of FreeBSD with the ease-of-use of KDE, which is the default graphical user interface.
Unix  PC-BSDUnix/PC-BSD/A Unix-like, desktop-oriented operating system based on FreeBSD. It aims to be easy to install by using a graphical installation program, and easy and ready-to-use immediately by providing KDE as the default, pre-installed graphical user interface. (Good for older computers.)