NeXTSTEP (also written NeXTstep, NeXTStep, and NEXTSTEP) is an object-oriented, multitasking operating system which was developed by NeXT Computer to run on its range of proprietary workstation computers, such as the NeXTcube. It was later ported to several other computer architectures.
A preview release of NeXTSTEP (version 0.8) was shown at the launch of the NeXT Computer on October 12, 1988. The first full release, NeXTSTEP 1.0, shipped on September 18, 1989. The last version, 3.3, was released in early 1995, by which time it ran on not only the Motorola 68000 family processors used in NeXT...