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The first version of Carnegie Mellon University’s Mach multiprocessor kernel based on the Berkeley BSD 4.3 kernel, has just gone into the public domain, and has been snapped up by multi-processor Unix proponents Sequent Computer Systems Inc, Portland, Oregon, and Encore Computer Corp, Marlboro, Massachusetts. Mach, described in glorious Technicolor in CI No 576, was commissioned by the US Department of Defense to meet its need for a kernel that could be changed quickly to meet the needs of rapidly evolving high-speed networks and multiprocessor machines. It is designed to support large-scale multiprocessors, networks of small-scale multiprocessors, and individual workstations. Carnegie Mellon has been running Mach distributed over multiprocessor VAX 8000s supporting over 100 Sun Microsystems stations.

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