About.com: Focus on Linux
Provides articles, guides, a glossary, and other information and resources related to the Linux operating system.
Articles, documentation, links to software, and news about Linux and other operating systems.
Hosts a variety of Linux discussions, presents news and updates, and provides a help files library.
Site featuring various Linux and other open source solutions. With news stories, downloads, and webcasts.
A Linux portal offering news, software, documentation, and information.
Online Linux resource for administrators and managers. Presents white papers, tips, webcasts, expert information, and guides.