"Linux was invented here"
University of Helsinki - Department of Computer Science. Information about Linux and get the latest kernel versions and recent Linux kernel mailing list archives.
Land of Linux
Linux guides and tutorials. Package management, network configuration and Bash shell scripting.
A portal from SourceForge offering news, articles, and a "how to" knowledgebase.
Definition of Linux and description of its history, relation to GNU and other UNIX systems, and links to related sites.