1. The Linux Documentation Project

Description:
LDP is a loosely knit team of volunteers who provide documentation for many aspects of Linux. There are several forms of documentation: Guides, HOWTOs, man pages, and FAQs.

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2. GNU Project

Description:
The GNU operating system is a complete free software system, upward-compatible with Unix. GNU stands for “GNU's Not Unix”. Richard Stallman made the Initial Announcement of the GNU Project in September 1983. A longer version called the GNU Manifesto was published in March 1985. It has been translated into several other languages.

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3. Free Software Fundation

Description:
The Free Software Foundation (FSF) is a 501(c)3 donor supported charity founded in 1985 and based in Boston, MA, USA. The FSF has a worldwide mission to promote computer user freedom and to defend the rights of all free software users.

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4. Debian -- The Universal Operating System

Description:
Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian uses the Linux kernel (the core of an operating system), but most of the basic OS tools comefrom the GNU project; hence the name GNU/Linux.

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5. Slashdot Linux Stories

Description:
News and stories related to the linux operating systems and more.

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6. Launchpad

Description:
Launchpad is a suite of tools that help people and teams to work together on free software. Read on to find out how to use Launchpad and get involved in linux community.

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7. The Linux Kernel Archives

Description:
Primary site for the Linux kernel source, but it has much more than just Linux kernels.

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8. The Linux Fundation

Description:
The Linux Foundation promotes, protects and standardizes Linux by providing unified resources and services needed for open source to successfully compete with closed platforms.

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9. sourceforge.net

Description:
SourceForge.net is the world's largest open source software development web site. We provide free services that help people build cool stuff and share it with a global audience.

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10. openSUSE

Desription:
openSUSE is a free and Linux-based operating system for your PC, Laptop or Server. You can surf the web, manage your e-mailsand photos, do office work, play videos or music and have a lot of fun!

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