<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Watch the dates - that's not UNIX. In 1973, Version 4 Unix is first released outside of BTL, so the Harvard system being talked about in RFC 89 is probably an 18 bit ??PDP6 maybe??. </div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Aug 15, 2025 at 8:24 PM Bakul Shah via TUHS <<a href="mailto:tuhs@tuhs.org">tuhs@tuhs.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>From RFC 89 (dated 19 January 1971) titled "Some historic moments in networking":<div><br></div><div><div><font face="Menlo"> Second, the Harvard system has temporarily implemented this remote</font></div><div><font face="Menlo"> network console interface feature using a DEC style pseudo-teletype</font></div><div><font face="Menlo"> (PTY).</font></div><div><br></div><div>From RFC 46 (dated April 1970) titled "'ARPA Network Protocol Notes":</div><div><br></div><div><div><font face="Menlo"> 3. A standard way for a newly created process to initiate pseudo-</font></div><div><font face="Menlo"> typewriter communication with the foreign process which requested</font></div><div><font face="Menlo"> its creation.</font></div><div><br></div></div><div><br></div><div><blockquote type="cite"><div>On Aug 15, 2025, at 6:49 PM, ron minnich <<a href="mailto:rminnich@gmail.com" target="_blank">rminnich@gmail.com</a>> wrote:</div><br><div><div><div dir="ltr">was there ever a telnet or other remote access program that predated ptys on Unix? Was telnet the driving force for ptys? Did the folks implementing Unix networking bring in ptys before, or as part of, or after networking, i.e. did folks building networking for Unix realize they needed ptys once they started working on telnet, or did they plan for ptys from the get go? I was an observer for some of this stuff, but as a 20-year-old at UDEL I was also quite out of the loop. <div><br></div><div> I also realize there were multiple Unix networking efforts, so this question is somewhat simplistic.<div><br></div><div><div>I'm assuming rsh came a bit later.</div></div></div></div></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Aug 15, 2025 at 4:19 PM Tom Lyon <<a href="mailto:pugs78@gmail.com" target="_blank">pugs78@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Yeah, I was thinking that 4.1c BSD must've had them for rlogin and telnet.<div><br></div><div>Which got me looking for Fabry and Bill Joy's design/planning documents for 4.2, which are not in the TUHS archives.</div><div>Anyone got them??</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Aug 15, 2025 at 4:15 PM Warner Losh <<a href="mailto:imp@bsdimp.com" target="_blank">imp@bsdimp.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">At the very least, 4.2BSD had them for telnet and rlogin. They were static, though. You had to MAKEDEV enough units.<div dir="auto"><br></div><div dir="auto">Warner</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Aug 15, 2025, 5:00 PM ron minnich <<a href="mailto:rminnich@gmail.com" target="_blank">rminnich@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">That was my guess. I figured the people who did the work are on this list, and primary sources rule.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Aug 15, 2025 at 3:56 PM Ron Natalie <<a href="mailto:ron@ronnatalie.com" rel="noreferrer" target="_blank">ron@ronnatalie.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div><div>I think that wikipedia history is somewhat garbled when it comes to the UNIX implementations. </div>
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