NeXT Computer

Its NeXTSTEP operating system is based on the Mach microkernel and BSD-derived Unix, with a proprietary GUI using a Display PostScript-based back end.

According to the Science Museum Group, "The enclosure consists of a 1-foot (304.8 mm) die-cast magnesium cube-shaped black case, which led to the machine being informally referred to as 'The Cube'.

Citing as "truly innovative" the optical drive, DSP and object-oriented programming environment, it concluded that "the NeXT Computer is worth every penny of its $6,500 market price".

[2] The workstation was not a significant commercial success, failing to reach the high-volume sales of the Apple II, Commodore 64, Mac, or IBM PC compatibles.

[citation needed] CyberSlice was curated into the Inventions of the 20th Century, Computer Science[4] at the Smithsonian Institution in Washington, D.C.[5][6]

This NeXTcube was used by Tim Berners-Lee as the first server on the World Wide Web .