Stealing a march on DEC, due to come out today with a Posix and System V Interface Definition-compliant version of Ultrix but with no symmetric multiprocessing, Data General Corp yesterday announced it had begun shipping Revision 4.0 of its DG/UX native Unix operating system. The new release is based on System V.3 and includes a new Unix kernal with complete symmetric multiprocessor support; a contemporary file system that provides full recovery and high-capacity storage support; and enhanced port ability platform including most of the Berkeley extensions. Now avai lable on the Eclipse MVs, it will also be implemented on the planned Motorola 88000 RISC systems now under development. Like today’s DEC offering, it includes a full implementation of Sun’s Network File System. The company implemen ted the Unix kernal by identifying and localising machine-dependent code to facilitate its transfer to other architectures including RISC.
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