HEATKEYS

Quora is a continually improving collection of questions and answers created, edited, and organized by everyone who uses it.

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.

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

- UNIX and Linux Forums - Learn UNIX, UNIX commands, Linux, Operating Systems, System Administration, Programming, Shell, Shell Scripts

Trisquel is a fully free operating system based in GNU/Linux, for home users, small enterprises and educational centers.

Home of the OpenAntiVirus Project

Linux.com - For the community, by the community, Linux.com is the central source for Linux information, software, documentation, how-tos and answers across the server, desktop/netbook, mobile, and embedded areas.