Xref: utzoo comp.unix.questions:10553 comp.os.misc:696 Path: utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!bloom-beacon!think!barmar From: barmar@think.COM (Barry Margolin) Newsgroups: comp.unix.questions,comp.os.misc Subject: Re: Does anyone still use Multics?? Message-ID: <33004@think.UUCP> Date: 7 Dec 88 00:45:13 GMT References: <6392@polyslo.CalPoly.EDU> <32902@think.UUCP> <438@babbage.acc.virginia.edu> Sender: news@think.UUCP Reply-To: barmar@kulla.think.com.UUCP (Barry Margolin) Distribution: na Organization: Thinking Machines Corporation, Cambridge MA, USA Lines: 15 In article <438@babbage.acc.virginia.edu> mac3n@babbage.acc.virginia.edu (Alex Colvin) writes: >Multics PL/I wasn't full PL/I, either IBM or ANSI. Effectively, Multics >defined the compileable subset of PL/I. This is responsible for the >success (such as it is) of PL/I outside IBM. The language Multics was originally implemented in was a PL/I subset (called EPL), but a full ANSI PL/I compiler was later written, around 1968 or 1969. It was revised extensively (to take advantage of new hardware features) in 1972. Barry Margolin Thinking Machines Corp. barmar@think.com {uunet,harvard}!think!barmar