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Computer Operating System

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1. Introduction to Operating System:-

Computer is a somewhat complex machine. The world has become accustomed to so many choices. One of the major choices in the modern era is the “Operating System (OS)”. Operating systems are the central software component to any computer. The main brands of operating system are; Windows Mac OS, Sun Solaris, UNIX, DOS and Linux. Each brand has its own take on what makes up an operating system. Windows is the most commonly used operating system around the world. The most common advantage about Windows is its simplicity. It is now very easy for an inexperienced person to grasp the concept and use the computer with this operating system on it. Windows newest version is Vista and windows7. Vista has made …show more content…

Its current best-selling products are the Microsoft Windows operating system and the Microsoft Office suite of productivity software.
Starting in 1980, Microsoft formed an important partnership with IBM that allowed them to bundle Microsoft's operating system with computers that they sold, paying Microsoft a royalty for every sale. In 1985, IBM requested that Microsoft write a new operating system for their computers called OS/2; Microsoft wrote the operating system, but also continued to sell their own alternative, which proved to be in direct competition with OS/2. Microsoft Windows eventually overshadowed OS/2 in terms of sales. When Microsoft launched several versions of Microsoft Windows in the 1990s, they had captured over 90% market share of the world's personal computers.

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Fig: Microsoft staff photo from December 7, 1978. From left to right:
Top: Steve Wood, Bob Wallace, and Jim Lane.
Middle: Bob O'Rear, Bob Greenberg, Marc McDonald, Gordon Letwin.
Bottom: Bill Gates, Andrea Lewis, Marla Wood, Paul Allen.

Versions:-
|Release date |Product name |Current version / build |
|Nov 1987 |Windows2.03 |2.03 |
|Mar 1989 |Windows2.11

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