OS/2

operating system from IBM

OS/2 is a computer operating system, 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 (PS/2)" line of second-generation personal computers.

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  • During the next 10 years, millions of programmers and users will utilise this system.
    • Bill Gates, November 1988, in the Foreword to the Inside OS/2 book by Gordon Letwin, Microsoft's architect for OS/2
  • In the summer of 1988, I received an interesting call from Bill Gates at Microsoft. He asked whether I'd like to come over and talk about building a new operating system at Microsoft for personal computers. [...] What Bill had to offer was the opportunity to build another operating system, one that was portable [...].
    • Dave Cutler in his introduction to the book Inside Windows NT
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