August 10, 2010

Fedora - Linux Based Computer Operating System

Aurora SPARC Linux
Fedora is an RPM-based, general purpose operating system built on top of the Linux kernel, developed by the community-supported Fedora Project and sponsored by Red Hat. Fedora's mission statement is: "Fedora is about the rapid progress of Free and Open Source software.

One of Fedora's main objectives is not only to contain software distributed under a free and open source license, but also to be on the leading edge of such technologies. Fedora developers prefer to make upstream changes instead of applying fixes specifically for Fedora—this ensures that updates are available to all Linux distributions.

Fedora has a comparatively short life cycle: version X is maintained until one month after version X+2 is released. With 6 months between releases, the maintenance period is about 13 months for each version.

Linus Torvalds, author of the Linux kernel, says he uses Fedora because it had fairly good support for PowerPC when he used that processor architecture. He became accustomed to the operating system and continues to use it.

According to Distrowatch, Fedora is the second most popular Linux-based operating system of mid 2009, behind Ubuntu.

History
The Fedora Project was created in late 2003, when Red Hat Linux was discontinued. Red Hat Enterprise Linux was to be Red Hat's only officially supported Linux distribution, while Fedora was to be a community distribution. Red Hat Enterprise Linux branches its releases from versions of Fedora.

The name of Fedora derives from Fedora Linux, a volunteer project that provided extra software for the Red Hat Linux distribution, and from the characteristic fedora used in Red Hat's "Shadowman" logo. Fedora Linux was eventually absorbed into the Fedora Project. Fedora is a trademark of Red Hat. Although this has previously been disputed by the creators of the unrelated Fedora repository management software, the issue has now been resolved.

The Fedora Project is governed by a board whose majority is elected by the Fedora community.

Security features


Security is one of the most important features in Fedora. One of the security features in Fedora is Security-Enhanced Linux, a Linux feature that implements a variety of security policies, including mandatory access controls, through the use of Linux Security Modules (LSM) in the Linux kernel. Fedora is one of the distributions leading the way with SELinux. SELinux was introduced in Fedora Core 2. It was disabled by default, as it radically altered how the operating system worked, but was enabled by default in Fedora Core 3 and introduced a less strict, targeted policy.

Fedora also has methods in place to prevent some buffer overflow exploits and root kits from functioning. Compile time buffer checks, Exec Shield and restrictions on how kernel memory in /dev/mem can be accessed help to prevent this.

Derivatives

  • ASPLinux – a Russian Fedora based distribution. ASPLinux also includes closed source NVIDIA and ATI drivers, and supports proprietary audio and video codecs.

  • Aurora SPARC Linux – for the SPARC platform.

  • Berry Linux – a medium-sized Fedora based distribution that provides support for Japanese and English.

  • BLAG Linux and GNU – a stripped down 1-CD Fedora with Debian's APT system.

  • Eeedora – for the Asus Eee PC.

  • Ekaaty – from Brazil.

  • Fox Linux – made in Italy, designed for basic home computing tasks such as browsing the Web, writing and printing documents, using multimedia and burning discs.

  • Fedora Colinux - an easy to install and fully functional coLinux distribution based on Fedora Core 6.

  • Linpus - made by Taiwanese company Linpus Technologies for the Asian market.

  • Linux XP – a commercial Linux distribution aimed at replacing Windows XP as a home-use desktop operating system.

  • MythDora – based around MythTV's media center capabilities.

  • Nusantara – a Linux distribution supported by the Indonesian ministry of technology as a desktop operating system.

  • Ojuba Linux - an Arabic Linux distribution.

  • Omega - Rahul Sundaram, Red Hat's Community Engineer, has created a Fedora remix with full multimedia support including MP3 and DVD playback support by adding software from RPM Fusion and Livna software repositories by default.

  • Red Hat Enterprise Linux – enterprise Linux offering from Red Hat, which branches from the current Fedora baseline.

  • Russian Fedora Remix - version of Fedora, adapted for Russia. Contains proprietary drivers and software.

  • Simplis – focuses on easy-to-use Linux, with a custom KDE interface that resembles Windows Vista.

  • Yellow Dog Linux – for the PowerPC platform.

  • Omega - Fedora with Multimedia codecs & other proprietary softwares included
More on Fedora
Fedora Version Releases

  • 1 - Yarrow

  • 2 - Tettnang

  • 3 - Heidelberg

  • 4 - Stentz

  • 5 - Bordeaux

  • 6 - Zod

  • 7 - Moonshine

  • 8 - Werewolf

  • 9 - Sulphur

  • 10 - Cambridge

  • 11 - Leonidas


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