operating systems

operating systems

1. android

   • Android is a "mobile" operating system maintained by the Open Handset Alliance, a group of companies and organizations that contribute to the system's development under the management of Google Inc.
     • The system is an "open standard," meaning that an entire community of developers can alter the software, not just Google. Android comes pre-installed on smartphones and tablet PCs for which it was designed
       • Android is the most widely used mobile OS and, as of 2013, the highest selling OS overall. Android devices sell more than Microsoft Windows, iOS, and Mac OS X devices combined,[11][12][13][14][15] with sales in 2012, 2013 and 2014[16] close to the installed base of all PCs.[17] As of July 2013 the Google Play store has had over one million Android applications ("apps") published, and over 50 billion applications downloaded
     • Rich Miner
   • Android, Inc. was founded in Palo Alto, California in October 2003 by Andy Rubin (co-founder)"
     • Andy Rubin

2. mac ios

   • IOS is Apple's mobile operating system. It runs on the company's iPod, iPhone and iPad devices. Like Mac OS X, it can only be used on Apple's mobile devices
     • Originally unveiled in 2007 for the iPhone, it has been extended to support other Apple devices such as the iPod Touch
       • Apple rebranded iPhone OS as "iOS". The trademark "IOS" had been used by Cisco for over a decade for its operating system, IOS, used on its routers. To avoid any potential lawsuit, Apple licensed the "IOS" trademark from Cisco.[27]
         • STEVE JOBS
   • OS X is the operating system that powers every Mac. Built on a rock-solid UNIX foundation, it’s engineered to take full advantage of what the hardware is capable of. It’s designed to be as easy to use as it is beautiful to look at.

3. . Chromium OS

   • an open-source project that aims to build an operating system that provides a fast, simple, and more secure computing experience for people who spend most of their time on the web.
   • Linux distribution[3] designed by Google to work primarily with web applications. It is the open source development version of Chrome OS.
   • Jeff Nelson [1] claims to be the inventor of the Google Chrome OS,[2] but this has been disputed.[3] He is an author of two books on Internet technology, Programming Mobile Objects with Java[4] and Java Class Libraries: Special Edition. He was an early engineer at eBay and the lead engineer for eBay Search.
     • jeff nelson

4. unix

   • a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, developed in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.[
     • he history of Unix dates back to the mid-1960s when the Massachusetts Institute of Technology, AT&T Bell Labs, and General Electric were developing an experimental time sharing operating system called Multics for the GE-645 mainframe.
       • Dennis Ritchie
     • UNIX systems also have a graphical user interface (GUI) similar to Microsoft Windows which provides an easy to use environment.

5. windows

   • Windows is a metafamily of graphical operating systems developed, marketed, and sold by Microsoft. It consists of several families of operating systems, each of which cater to a certain sector of the computing industry
     • Microsoft introduced an operating environment named Windows on November 20, 1985 as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs).[6
     • In June 1980, Gates and Allen hire Gates’ former Harvard classmate Steve Ballmer to help run the company. The next month, IBM approaches Microsoft about a project code-named "Chess."
       • BILL GATES

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