List of Operating Systems

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This article lists common Operating Systems (OS) in use. This information can be helpful when testing your web applications for cross-compatibility to make sure the majority of web users experience your site and applications to their full potential.

Common operating systems

Microsoft Windows

  • Microsoft Windows Vista (aka Windows NT 6.0) (codename: Longhorn)
  • Windows Server 2003 (aka Windows NT 5.2)
  • Microsoft Windows XP (aka Windows NT 5.1) (codename: Whistler)
  • Microsoft Windows 2000 (aka Windows NT 5.0)
  • Windows NT 4.0, 3.51, 3.5, 3.1
  • Windows Me (aka Windows 4.9)
  • Windows 98 SE (Second Edition) (aka Windows 4.2)
  • Windows 98 (aka Windows 4.1)
  • Windows 95 (aka Windows 4.0)

See also: Microsoft

MacOS (Apple Macintosh)

  • Mac OS X v10.5 (Leopard) (planned for release in late 2006/early 2007)
  • Mac OS X v10.4 (Tiger)
  • Mac OS X v10.3 (Panther)
  • Mac OS X v10.2 (Jaguar)
  • Mac OS X v10.1 (Puma)
  • Mac OS X v10.0 (Cheetah)
  • Mac OS 9
  • Mac OS 8
  • Mac OS 7.6 (first officially-named Mac OS)
  • System 7 (code-named "Big Bang")
  • System Software 6 and earlier

Linux distributions

Linux is an Open Source Operating system

  • Ubuntu
  • Debian
  • MEPIS
  • openSUSE
  • SUSE Enterprise Linux
  • Fedora
  • Red Hat Enterprise Linux
  • CentOS
  • Mandriva
  • Xandros
  • Linspire (previously known as "LindowsOS")
  • Gentoo
  • Slackware

External links: Information about Linux Linux article on Wikipedia Home of the Linux kernel

BSD

  • DragonFly BSD
  • FreeBSD
  • PC-BSD
  • NetBSD
  • OpenBSD

Solaris

  • Nexenta
  • Solaris

Other

Other operating systems currently in use, and appropriate for specifically targeted web applications and testing, but not considered to be in mainstream use.

  • Inferno
  • SkyOS
  • Digital UNIX (aka Tru64)


Timeline of popular operating systems (2008-1995)

This is intended to be a brief timeline of the most popular operating systems in use since 1995. Most operating systems prior to this and other distributions are in limited use or have less relevance to web-based application.

Operating System Timeline
Year Windows Mac OS Linux
2008 Windows Server 2008
2007 Windows Vista Mac OS X 10.5 CentOS 5, Debian 4 (Etch), Gentoo 2007.0
2006 Windows Vista RC1 Fedora Core 5, Gentoo 2006.0, Ubuntu "Dapper Drake" 6.06, Ubuntu "Edgy Eft" 6.10
2005 Mac OS X 10.4 Ubuntu "Hoary Hedgehog" 5.04, Ubuntu "Breezy Badger" 5.10, Debian "Sarge" 3.1, RHEL 4, Mandriva 2006, Slackware 10.2
2004 Ubuntu "Warty Warthog" 4.10, Slackware 10.0
2003 Windows Server 2003 Mac OS X 10.3 Fedora Core 1, RHEL 3, Red Hat "Shrike" 9, Mandrake "Fivestar" 9.2, Slackware 9.1
2002 Mac OS X 10.2 Red Hat Enterprise Linux 2.1, Debian "Woody" 3.0, Slackware 8.1
2001 Windows XP Mac OS X 10.0, 10.1 Red Hat "Seawolf" 7.1, Slackware 8.0
2000 Windows 2000, Windows Me Mac OS 9.0, Mac OS X (Public Beta) Debian "Potato" 2.2, Mandrake "Odyssey" 7.2, Slackware 7.1
1999 Windows 98 SE Mac OS 8 Red Hat "Cartman" 6.1, Slackware 7.0 & 4.0
1998 Windows 98 Slackware 3.6
1997 Mac OS 7.6 Red Hat "Biltmore" 4.2, Slackware 3.4
1996 Windows NT 4.0 Debian "Buzz" 1.1, Debian "Rex" 1.2, Slackware 3.1
1995 Windows 95 Slackware 3.0 & 2.3

Web trends

These are statistics of the most popular user operating systems on the Internet (ref W3Schools)

Month Win XP Win Vista Win 2K Win 98 Win 2003 Linux Mac OS
January 2007 76.1% 0.6% 7.7% 1.0% 1.9% 3.6% 3.8%
December 2007 73.4% 6.5% 4.7% 1.3% 1.9% 3.5% 4.0%
February 2008 72.3% 7.6% 4.0% 1.0% 1.8% 3.8% 4.3%

Please Note: Statistics of this measure often vary greatly depending on your audience and are to be seen only as a guide. Statistics are taken from a tech based website and therefore they have a greater understanding of which OS to go for, so numbers are probably largely different to those presented above.

See also

External links