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RSX-11 is a family of real-time operating systems mainly for PDP-11 computers created by Digital Equipment Corporation (DEC), common in the late 1970s and early 1980s. RSX-11D first appeared on the PDP-11/40 in 1972. It was designed for and much used in process control, but was also popular for program development. == Team == Henry Krejci was the project leader for RSX-11D. Although Garth Wolfendale did work on IAS, he was not the project leader in the US. Ron McLean was the project leader for RSX-20F/RSX10F a version of RSX11-D not RSX11-M as many suspected. This was a PDP10 front end. Garth Wolfendale was the project leader for RSX-11D from 1972–1976 and led the redesign and commercial release of the operating system as well as adding support for the 22-bit PDP-11/70 system. Dr. Wolfendale, originally from the U.K., set up the team that designed and prototyped IAS in the U.K., providing time-shared user access to operating system resources. Andy Wilson then led the full development and release of the IAS system, based in Digital's U.K. development facility. Dave Cutler was the project leader for RSX-11M, which was an adaptation of the earlier RSX-11D for a smaller memory footprint. Principles first tried in RSX-11M later appeared in DEC's VMS. Microsoft's Windows NT system is a conceptual descendant of RSX-11M but is more directly descended from an object based operating system Cutler developed for a RISC processor (PRISM) which was never released. This lineage is made clear in Cutler's foreword to ''"Inside Windows NT"'' by Helen Custer.〔(【引用サイトリンク】 title="Windows-NT" is "VMS Reimplemented" (sort of) )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「RSX-11」の詳細全文を読む スポンサード リンク
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