I have compiled a list with the most useful websites about Linux (the distro specific sites are not included). They are great resources you can learn from or to find answer to your linux questions. These should be in any linux user bookmarks, so go ahead and look through these links and bookmark your favorite ones:
Provides information on Linux, Linux resources, and Linux development.
Includes help, tutorials, tips and how-to guides for Linux.
LinuxQuestions.org offers a free Linux forum where Linux newbies can ask questions and Linux experts can offer advice. Topics include security, installation, networking and much more.
The Linux Documentation Project is working
towards developing free, high quality documentation for the Linux operating
system. The overall goal of the LDP is to collaborate in all of the issues
of Linux documentation.
Comprehensive information and resources about the Linux Operating System.
Our goal is to provide all the information necessary to make your use of Linux a success.
The Linux Software Resource, providing Linux Forums, Linux Server Distro info, Linux Training, Linux Help, Articles, Tutorials, News, Downloads and more!
Linux Weekly News:Covering the Linux and free software communities since 1998. Provides information from the development community in an objective manner.
The monthly magazine of the Linux community, promoting the use of Linux worldwide.
Covering how to Install, Boot and Run Linux on a USB Flash Pen Drive.
FSD is a hub for news and articles by and for the free and open source community. FSD is a community driven site where members of the community submit and vote for the stories that they think are important and interesting to them.
Linux quick fixes for systems administrators, students and professionals. Simple answers when the solution is at the tip of your tongue.
News related to Open Source software and community.
Do you waddle the waddle?-Linux guides, tutorials and howtos.
Comprehensive links to information and resources about the Linux Operating System.
HowtoForge – Linux Howtos and Tutorials.
Short tutorials for people who want to learn the basics of using Linux, and thereby Unix, without getting bogged down in too much detail.
Linux command line tutorials, help and tips for the new Linux users, helping them to get familiar with the Linux command line and shell.
The place where you learn Linux. Hundreds of articles, “Test Your Knowledge” quizzes, popup glossary, and much, much more help you learn Linux the easy way.
LinuxCommand.org is a web site devoted to helping users of legacy operating systems discover the power of Linux.
LinuxPlanet — a world of premium information for Linux newcomers! We welcome people jumping from Windows and other Operating Systems to the latest sensation based on the Open Source software model.
OStatic’s goal is to increase the adoption of Open Source Software by helping users find viable projects and applications that fulfill specific needs
This list is not complete, so if you know other websites, please mention them.