<operating system> A version of Microsoft's Windows NT operating system, originally code named "Cairo". It was supposed to ship in the first half of 1995. Details are scarce, but it is intended to provide an object-oriented version of Windows.
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Nearby terms: Windows NT « Windows NT 3.1 « Windows NT 3.5 « Windows NT 4 » Windows NT 5 » Windows NT Network Model » Windows Open Service Architecture