NeXT’s OPENSTEP for Windows NT
Microsoft’s Windows operating systems are the undisputed standard on the PC platform. When NeXT started work on the OpenStep specification, it was clear that porting their existing frameworks and tools from NeXT’s native Mach operating system to Windows would make it available to a huge number of customers. Essential differences between the two operating systems and user interfaces made this a hefty challenge, but NeXT has risen to the occasion, producing an OpenStep system that looks and feels very much like Windows itself. The most noticeable differences are cosmetic, such as a lack of certain interface controls, and the fact that every window in an OPENSTEP application is free-standing. Beyond that, however, everything behaves pretty much like you would expect.
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