"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.
   http://www.cs.Helsinki.FI/linux/

FreeOS  
   Provides articles, documentation, links to software, and news about Linux and other operating systems.
   http://www.freeos.com/

The Linux Counter  
   Get yourself and your computer counted among the Linux users.
   http://counter.li.org/

Linux International  
   Non-profit association of groups, corporations, and others that work toward promoting and helping direct the growth of the Linux operating system and community.
   http://li.org/

What Is...Linux?  
   Definition of Linux and description of its history, relation to GNU and other UNIX systems, and links to related sites.
   http://WhatIs.techtarget.com/definition/0,289893,sid9_gci212482,00.html