<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Eric,<div><br></div><div>I assume you know about The Bell System Journal, July–August 1978, Part 2, special edition on The Unix Time-Sharing System. There are many papers which cover the evolution and symbiosis of Unix and C.</div><div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Helvetica Neue'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; ">Larry Baker<br>US Geological Survey<br>650-329-5608<br><a href="mailto:baker@usgs.gov">baker@usgs.gov</a><br><br><br></span>
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<br><div><div>On 26 Feb 2016, at 3:43 PM, <<a href="mailto:simh-request@trailing-edge.com">simh-request@trailing-edge.com</a>> <<a href="mailto:simh-request@trailing-edge.com">simh-request@trailing-edge.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: 'Helvetica Neue'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="font-family: monospace; ">Date: Fri, 26 Feb 2016 17:43:00 -0600<br>From: Eric Smith <<a href="mailto:esmithmail@gmail.com">esmithmail@gmail.com</a>><br>To: Johnny Billquist <<a href="mailto:bqt@softjar.se">bqt@softjar.se</a>><br>Cc: "<a href="mailto:simh@trailing-edge.com">simh@trailing-edge.com</a>" <<a href="mailto:simh@trailing-edge.com">simh@trailing-edge.com</a>><br>Subject: Re: [Simh] pdp11 and unix<br>Message-ID: <-8605820161489367194@unknownmsgid><br>Content-Type: text/plain; charset=UTF-8<br><br>Well .. impressive, I suppose, would be what I would call it.<br><br>I guess you'd start with hand-keying in an assembler .. then go from<br>there. I did that once in BASIC on a machine for which I could not<br>obtain an assembler (Epson HX-20).<br><br>It would be interesting to know how they went from B to C .. but once<br>they had a higher level language (C .. well, higher level compared to<br>the assembler), things would become much easier.<br><br>I was corresponding with DMR a couple of years before his passing. He<br>signed his C book for me. If he were still around it would be cool to<br>loop him in on this stuff and just ask.<br><br><blockquote type="cite">On Feb 26, 2016, at 5:24 PM, Johnny Billquist <<a href="mailto:bqt@softjar.se">bqt@softjar.se</a>> wrote:<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"><blockquote type="cite">On 2016-02-26 23:47, Eric Smith wrote:<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">I love assembly. I do. But seriously …<br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">On Feb 25, 2016, at 9:26 PM, Gregg Levine <<a href="mailto:gregg.drwho8@gmail.com">gregg.drwho8@gmail.com</a><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><<a href="mailto:gregg.drwho8@gmail.com">mailto:gregg.drwho8@gmail.com</a>>> wrote:<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite">Version Zero was hand coded on a PDP-7<br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite">I know Gregg is right. But .. Can you /imagine?/<br></blockquote></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Not sure I understand this comment either. Are you suggesting that coding an OS is assembler is something exceptional or complicated, or unusual?<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite"> Johnny<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">--<br></blockquote><blockquote type="cite">Johnny Billquist || "I'm on a bus<br></blockquote><blockquote type="cite"> || on a psychedelic trip<br></blockquote><blockquote type="cite">email:<span class="Apple-converted-space"> </span><a href="mailto:bqt@softjar.se">bqt@softjar.se</a><span class="Apple-converted-space"> </span> || Reading murder books<br></blockquote><blockquote type="cite">pdp is alive! || tryin' to stay hip" - B. Idol<br></blockquote><blockquote type="cite">_______________________________________________<br></blockquote><blockquote type="cite">Simh mailing list<br></blockquote><blockquote type="cite"><a href="mailto:Simh@trailing-edge.com">Simh@trailing-edge.com</a><br></blockquote><blockquote type="cite"><a href="http://mailman.trailing-edge.com/mailman/listinfo/simh">http://mailman.trailing-edge.com/mailman/listinfo/simh</a><br></blockquote></span></span><br class="Apple-interchange-newline"></blockquote></div><br></div></body></html>