What does OS/2 stand for?

What does OS/2 mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: OS/2.

We've found a total of 3 definitions for OS/2:

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OS/2

Obsolete Soon, Too

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OS/2

Operating System/2 (IBM-Microsoft)

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OS/2

Operating System/2

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What does OS/2 mean?

OS/2
OS/2 is a series of computer operating systems, initially created by Microsoft and IBM, then later developed by IBM exclusively. The name stands for "Operating System/2," because it was introduced as part of the same generation change release as IBM's "Personal System/2" line of second-generation personal computers. The first version was released in December 1987 and newer versions were released until December 2001. OS/2 was intended as a protected mode successor of PC-DOS. Notably, basic system calls were modeled after MS-DOS calls; their names even started with "Dos" and it was possible to create "Family Mode" applications: text mode applications that could work on both systems. Because of this heritage, OS/2 shares similarities with Unix, Xenix, and Windows NT in many ways. OS/2 is no longer marketed by IBM, and IBM standard support for OS/2 was discontinued on 31 December 2006. It has been since maintained with relatively few new features under the name of eComStation.

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"OS/2." Abbreviations.com. STANDS4 LLC, 2014. Web. 28 Jul 2014. <http://www.abbreviations.comserp.php?st=OS%2F2>.


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