Operating Systems

Fast, secure and stylishly simple, the Ubuntu operating system is used by 20
www.ubuntu.com

OS X Lion — the worlds most advanced desktop operating system — includes
www.apple.com

Official site provides information for users, developers and partners. Includes
www.android.com

Operating Systems . Most computer users understand that you need an operating
www.rinkworks.com

Debian GNU/Linux is a free distribution of the GNU/Linux operating system . It is
www.debian.org

Tracks the Market Share of Search Engines, Browsers and Operating Systems
gs.statcounter.com

Market share for mobile, browsers, operating systems , search engines and social
www.netmarketshare.com

Since 1983, developing the free Unix style operating system GNU, so that
www.gnu.org

... open source applications, security and systems management, virtualization, ...
www.redhat.com

What is the trend in operating systems usage? ... Windows XP and Windows 7
www.w3schools.com