Although Fedora was formally unveiled only in September 2004, its origins effectively date back to 1995 when it was launched by two Linux visionaries -- Bob Young and Marc Ewing -- under the name of Red Hat Linux. The company's first product, Red Hat Linux 1.0 "Mother's Day", was released in the same year and was quickly followed by several bug-fix updates. In 1997, Red Hat introduced its revolutionary RPM package management system with dependency resolution and other advanced features which greatly contributed to the distribution's rapid rise in popularity and its overtaking of Slackware Linux as the most widely-used Linux distribution in the world. In later years, Red Hat standardised on a regular, 6-month release schedule.
In 2003, just after the release of Red Hat Linux 9, the company introduced some radical changes to its product line-up. It retained the Red Hat trademark for its commercial products, notably Red Hat Enterprise Linux, and introduced Fedora Core, a Red Hat-sponsored, but community-oriented distribution designed for the "Linux hobbyist". After the initial criticism of the changes, the Linux community accepted the "new" distribution as a logical continuation of Red Hat Linux. A few quality releases was all it took for Fedora to regain its former status as one of the best-loved operating systems on the market. At the same time, Red Hat quickly became the biggest and most profitable Linux company in the world, with an innovative product line-up and other interesting initiatives, such as its Red Hat Certified Engineer (RHCE) certification programme.
Although Fedora's direction is still largely controlled by Red Hat, Inc. and the product is sometimes seen -- rightly or wrongly -- as a test bed for Red Hat Enterprise Linux, there is no denying that Fedora is one of the most innovative distributions available today. Its contributions to the Linux kernel, glibc and GCC are well-known and its more recent integration of SELinux functionality, Xen virtualisation technologies and other enterprise-level features are much appreciated among the company's customers. On a negative side, Fedora still lacks a clear desktop-oriented strategy that would make the product easier to use for those beyond the "Linux hobbyist" target.
- Pros: Highly innovative; outstanding security features; large number of supported packages; strict adherence to the Free Software philosophy
- Cons: Fedora's priorities tend to lean towards enterprise features, rather than desktop usability
- Software package management: YUM graphical and command line utility using RPM packages
- Available editions: Fedora for 32-bit (i386), 64-bit (x86_64) and PowerPC (ppc) processors; also live CD editions with either GNOME or KDE
- Suggested Fedora-based alternatives: BLAG Linux And GNU (desktop, free software), Berry Linux (live CD), Yellow Dog Linux (Apple's PowerPC-based systems)
The launch of Ubuntu was first announced in September 2004. In the few years that followed, Ubuntu has grown to become the most popular desktop Linux distribution and has greatly contributed towards developing an easy-to-use and free desktop operating system that can compete well with any proprietary ones available on the market.
What was the reason for Ubuntu's stunning success? Firstly, the project was created by Mark Shuttleworth, a charismatic South African multimillionaire, a former Debian developer and the world's second space tourist, whose company, the Isle of Man-based Canonical Ltd, is currently financing the project. Secondly, Ubuntu had learnt from the mistakes of other similar projects and avoided them from the start - it created an excellent web-based infrastructure with a Wiki-style documentation, creative bug-reporting facility, and professional approach to the end users. And thirdly, thanks to its wealthy founder, Ubuntu has been able to ship free CDs to all interested users, thus contributing to the rapid spread of the distribution.
On the technical side of things, Ubuntu is based on Debian "Sid" (unstable branch), but with some prominent packages, such as GNOME, Firefox and OpenOffice.org, updated to their latest versions. It has a predictable, 6-month release schedule, with an occasional Long Term Support (LTS) release that is supported with security updates for 3 - 5 years, depending on the edition (non-LTS release are supported for 18 months). Other special features of Ubuntu include an installable live CD, creative artwork and desktop themes, migration assistant for Windows users, support for the latest technologies, such as 3D desktop effects, easy installation of proprietary device drivers for ATI and NVIDIA graphics cards and wireless networking, and on-demand support for non-free or patent-encumbered media codecs.
- Pros: Fixed release cycle and support period; novice-friendly; wealth of documentation, both official and user-contributed
- Cons: Lacks compatibility with Debian
- Software package management: Advanced Package Tool (APT) using DEB packages
- Available editions: Ubuntu, Kubuntu, Xubuntu, Ubuntu Studio and Mythbuntu for 32-bit (i386) and 64-bit (x86_64) processors; Ubuntu Server edition also for SPARC processors.
The beginnings of openSUSE date back to 1992 when four German Linux enthusiasts -- Roland Dyroff, Thomas Fehr, Hubert Mantel and Burchard Steinbild -- launched the project under the name of SuSE (Software und System Entwicklung) Linux. In the early days, the young company sold sets of floppy disks containing a German edition of Slackware Linux, but it wasn't long before SuSE Linux became an independent distribution with the launch of version 4.2 in May 1996. In the following years, the developers adopted the RPM package management format and introduced YaST, an easy-to-use graphical system administration tool. Frequent releases, excellent printed documentation, and easy availability of SuSE Linux in stores across Europe and North America resulted in growing popularity of the distribution.
SuSE Linux was acquired by Novell, Inc. in late 2003. Major changes in the development, licensing and availability of SUSE Linux followed shortly afterwards - YaST was released under the General Public License, the ISO images were freely distributed from public download servers, and, most significantly, the development of the distribution was opened to public participation for the first time. Since the launch of the openSUSE project and the release of version 10.0 in October 2005, the distribution became completely free in both senses of the word. The openSUSE code has become a base system for Novell's commercial products, first named as Novell Linux, but later renamed to SUSE Linux Enterprise Desktop and SUSE Linux Enterprise Server.
Today, openSUSE has a large following of satisfied users. The principal reason for openSUSE getting high marks from its users are pleasant and polished desktop environments (KDE and GNOME), excellent system administration utility (YaST), and, for those who buy the boxed edition, some of the best printed documentation available with any distribution. However, the recent deal between Novell and Microsoft, which apparently concedes to Microsoft's argument that it has intellectual property rights over Linux, has resulted in a string of condemnation by many Linux personalities and has prompted some users to switch distributions. Although Novell has downplayed the deal and Microsoft has yet to exercise any rights, this issue remains a thorn in the side of the otherwise very community-friendly Linux company.
- Pros: Comprehensive and intuitive configuration tool; large repository of software packages, excellent web site infrastructure and printed documentation
- Cons: Novell's patent deal with Microsoft in November 2006 seemingly legitimised Microsoft's intellectual property claims over Linux; its resource-heavy desktop setup and graphical utilities are sometimes seen as "bloated and slow"
- Software package management: YaST graphical and command line utility using RPM packages
- Available editions: openSUSE for 32-bit (i386), 64-bit (x86_64) and PowerPC (ppc) processors (also installable live CD edition).
Debian GNU/Linux was first announced in 1993. Its founder, Ian Murdock, envisaged the creation of a completely non-commercial project developed by hundreds of volunteer developers in their spare time. With sceptics far outnumbering optimists at the time, it was destined to disintegrate and collapse, but the reality was very different. Debian not only survived, it thrived and, in less than a decade, it became the largest Linux distribution and possibly the largest collaborative software project ever created!
The success of Debian GNU/Linux can be illustrated by the following numbers. It is developed by over 1,000 volunteer developers, its software repositories contain more than 20,000 packages (compiled for 11 processor architectures), and it is responsible for inspiring over 120 Debian-based distributions and live CDs. These figures are unmatched by any other Linux-based operating system. The actual development of Debian takes place in three main branches (or four if one includes the bleeding-edge "experimental" branch) of increasing levels of stability: "unstable" (also known as "sid"), "testing" and "stable". This progressive integration and stabilisation of packages and features, together with the project's well-established quality control mechanisms, has earned Debian its reputation of being one of the best-tested and most bug-free distributions available today.
However, this lengthy and complex development style also has some drawbacks: the stable releases of Debian are not particularly up-to-date and they age rapidly, especially since new stable releases are only published once every 1 - 3 years. Those users who prefer the latest packages and technologies are forced to use the potentially buggy Debian testing or unstable branches. The highly democratic structures of Debian have led to controversial decisions and gave rise to infighting among the developers. This has contributed to stagnation and reluctance to make radical decisions that would take the project forward.
- Pros: Very stable; remarkable quality control; includes over 20,000 software packages; supports more processor architectures than any other Linux distribution
- Cons: Conservative - due to its support for many processor architectures, newest technologies are not always included; slow release cycle (one stable release every 1 - 3 years); discussions on developer mailing lists and blogs can be uncultured at times
- Software package management: Advanced Package Tool (APT) using DEB packages
- Available editions: Installation CD/DVD and live CD images for 11 processor architectures, including all 32-bit and 64-bit processors from Intel, AMD, Power and others
- Suggested Debian-based alternatives: MEPIS Linux, Ubuntu, sidux. Damn Small Linux (for old computers), KNOPPIX (live CD), Dreamlinux(desktop), Elive (desktop with Enlightenment), Xandros (commercial), 64 Studio (multimedia)
Linux Mint, a distribution based on Ubuntu, was first launched in 2006 by Clement Lefebvre, a French-born IT specialist living and working in Ireland. Originally maintaining a Linux web site dedicated to providing help, tips and documentation to new Linux users, the author saw the potential of developing a Linux distribution that would address the many usability drawbacks associated with the generally more technical, mainstream products. After soliciting feedback from the visitors on his web site, he proceeded with building what many refer to today as an "improved Ubuntu".But Linux Mint is not just an Ubuntu with a new set of applications and an updated desktop theme. Since its beginnings, the developers have been adding a variety of graphical "mint" tools for enhanced usability; this includes mintDesktop - a utility for configuring the desktop environment, mintMenu - a new and elegant menu structure for easier navigation, mintInstall - an easy-to-use software installer, and mintUpdate - a software updater, just to mention a few more prominent ones among several other tools and hundreds of additional improvements. The project also designs its own artwork, while its reputation for ease of use has been further enhanced by the inclusion of proprietary and patent-encumbered multimedia codecs that are often absent from larger distributions due to potential legal threats. However, one of the best features of Linux Mint is the fact that the developers listen to the users and are always fast in implementing good suggestions.
While Linux Mint is available as a free download, the project generates revenue from donations, advertising and professional support services. It doesn't have a fixed release schedule or a list of planned features, but one can expect a new version of Linux Mint several weeks after each stable Ubuntu release. Besides the "main" edition which features the GNOME desktop, the project also builds a variety of semi-regular "community" editions with alternative desktops, such as KDE, Xfce and Fluxbox. However, these are often completed several months after the release of the "main" GNOME edition and may sometimes miss some of the "minty" tools and other features found in the project's flagship product. Linux Mint does not adhere to the principles of software freedom and it does not publish security advisories.
- Pros: Superb collection of "minty" tools developed in-house, hundreds of user-friendly enhancements, inclusion of multimedia codecs, open to users' suggestions
- Cons: The alternative "community" editions don't always include the latest features, the project does not issue security advisories
- Software package management: APT with mintInstall using DEB packages (compatible with Ubuntu repositories)
- Available editions: A "main" edition (with GNOME) for 32-bit and 64-bit computers, a variety of "community" editions (with KDE, Xfce and Fluxbox) for 32-bit computers.
Slackware Linux, created by Patrick Volkerding in 1992, is the oldest surviving Linux distribution. Forked from the now-discontinued SLS project, Slackware 1.0 came on 24 floppy disks and was built on top of Linux kernel version 0.99pl11-alpha. It quickly became the most popular Linux distribution, with some estimates putting its market share to as much as 80% of all Linux installations in 1995. Its popularity decreased dramatically with the arrival of Red Hat Linux and other, more user-friendly distributions, but Slackware Linux still remains a much-appreciated operating system among the more technically-oriented system administrators and desktop users.
Slackware Linux is a highly technical, clean distribution, with only a very limited number of custom utilities. It uses a simple, text-based system installer and a comparatively primitive package management system that does not resolve software dependencies. As a result, Slackware is considered one of the cleanest and least buggy distributions available today - the lack of Slackware-specific enhancements reduces the likelihood of new bugs being introduced into the system. All configuration is done by editing text files. There is a saying in the Linux community that if you learn Red Hat, you'll know Red Hat, but if you learn Slackware, you'll know Linux. This is particularly true today when many other Linux distributions keep developing heavily customised products to meet the needs of less technical Linux users.
While this philosophy of simplicity has its fans, the fact is that in today's world, Slackware Linux is increasingly becoming a "core system" upon which new, custom solutions are built, rather than a complete distribution with a wide variety of supported software. The only exception is the server market, where Slackware remains popular, though even here, the distribution's complex upgrade procedure and lack of officially supported automated tools for security updates makes it increasingly uncompetitive. Slackware's conservative attitude towards the system's base components means that it requires much manual post-installation work before it can be tuned into a modern desktop system.
Slackware Linux is a highly technical, clean distribution, with only a very limited number of custom utilities. It uses a simple, text-based system installer and a comparatively primitive package management system that does not resolve software dependencies. As a result, Slackware is considered one of the cleanest and least buggy distributions available today - the lack of Slackware-specific enhancements reduces the likelihood of new bugs being introduced into the system. All configuration is done by editing text files. There is a saying in the Linux community that if you learn Red Hat, you'll know Red Hat, but if you learn Slackware, you'll know Linux. This is particularly true today when many other Linux distributions keep developing heavily customised products to meet the needs of less technical Linux users.
While this philosophy of simplicity has its fans, the fact is that in today's world, Slackware Linux is increasingly becoming a "core system" upon which new, custom solutions are built, rather than a complete distribution with a wide variety of supported software. The only exception is the server market, where Slackware remains popular, though even here, the distribution's complex upgrade procedure and lack of officially supported automated tools for security updates makes it increasingly uncompetitive. Slackware's conservative attitude towards the system's base components means that it requires much manual post-installation work before it can be tuned into a modern desktop system.
- Pros: Considered highly stable, clean and largely bug-free, strong adherence to UNIX principles
- Cons: Limited number of officially supported applications; conservative in terms of base package selection; complex upgrade procedure
- Software package management: "pkgtool" using TXZ packages
- Available editions: Installation CDs and DVD for 32-bit (i486) and 64-bit (x86_64) processors
- Suggested Slackware-based alternatives: Zenwalk Linux (desktop), VectorLinux (desktop), SLAX (live CD), Slamd64 Linux (64-bit), Bluewhite64 Linux (64-bit), Wolvix (desktop, live CD), GoblinX (desktop, live CD).
The concept of Gentoo Linux was devised in around the year 2000 by Daniel Robbins, a former Stampede Linux and FreeBSD developer. It was the author's exposure to FreeBSD and its "autobuild" feature called "ports", which inspired him to incorporate some of the FreeBSD software management principles into Gentoo under the name of "portage". The idea was to develop a Linux distribution that would allow users to compile the Linux kernel and applications from source code directly on their own computers, thus maintaining a highly-optimised and always up-to-date system. By the time the project released its 1.0 version in March 2002, Gentoo's package management was considered a superior alternative to some binary package management systems, especially the then widely-used RPM.
Gentoo Linux was designed for power users. Originally, the installation was cumbersome and tedious, requiring hours or even days of compiling on the command line to build a complete Linux distribution; however, in 2006 the project simplified the installation procedure by developing an installable Gentoo live CD with a point-and-click installer. Besides providing an always up-to-date set of packages for installation with a single command, the other important features of the distribution are excellent security, extensive configuration options, support for many architectures, and the ability to keep the system up-to-date without re-installing. The Gentoo documentation was repeatedly labelled as the best online documentation of any distribution.
Gentoo Linux has lost much of its original glory in recent years. Some Gentoo users have come to a realisation that the time-consuming compiling of software packages brings only marginal speed and optimisation benefits. Ever since the resignation of Gentoo's founder and benevolent dictator from the project in 2004, the newly established Gentoo Council has been battling with lack of clear directions and frequent developer conflicts, which resulted in several high-profile departures of well-known Gentoo personalities. It remains to be seen whether Gentoo can regain its innovative qualities of the past or whether it will slowly disintegrate into a loose collection of personal sub-projects lacking clearly-defined goals.
- Pros: Excellent software management infrastructure, unparalleled customisation and tweaking options, superb online documentation
- Cons: Occasional instability and risk of breakdown, the project suffers from lack of directions and frequent infighting between its developers
- Software package management: "Portage" using source (SRC) packages
- Available editions: Minimal installation CD and live CD (with GNOME) for Alpha, AMD64, HPPA, IA64, MIPS, PPC, SPARC and x86 processors; also "stages" for manual installation from command line
- Suggested Gentoo-based alternatives: SabayonLinux (desktop, live CD/DVD), Ututo (desktop, free software only)
- Other source-based distributions: Lunar Linux, Source Mage GNU/Linux, Sorcerer, Linux From Scratch
