HEATKEYS

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.

Tecmint - Linux Howtos, Tutorials, Guides, News, Tips and Tricks.

Linux blog by Vivek - Includes news, help, tutorials, programming, tips and how-to guides for Linux, UNIX, and BSD.

The Linux Software Resource, providing Linux Forums, Linux Server Distro info, Linux Training, Linux Help, Articles, Tutorials, News, Downloads and more!

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

WinRAR provides the full RAR and ZIP file support, can decompress CAB, GZIP, ACE and other archive formats

OTN DISCUSSION FORUMS - In English

wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

International Electronic Discussion Forum: EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals

Zimbra provides open source email and calendar groupware software, Zimbra is a popular choice for Linux and Mac OS X email servers and supports SaaS deployment, appliances and virtualization platforms.

Linux administration and configuration tutorial, guides and howto