b0VIM 8.2҅gYswktminnie.tuhs.org/var/www/TUHS/Archive/Recordings/1975_Unix_Code_Walkthru/Readme.txtutf-8 3210#"! UtpDBBad;DmVU}4 ]  U | 4 O | 6 5 ?k!QP ~dcH~3b21_<;:https://file 'usr/sys/v6unix/changenotes'.https://www.tuhs.org/Archive/Applications/Spencer_Tapes/unsw3.tar.gz6th Edition Unix and the "50 changes" tape described by Mike O'Brien in:As noted by Jonathan Gray, the code appears to be somewhere betweenthe right-hand side of the 132-column printout.was provided at the walkthrough. The scan has, unfortunately, truncatedThe file Eric_Allman_Notes.pdf is a scanned copy of the Unix code thatup: some noise reduction, some pop removal and some compression.The Cleaner/ directory has versions of the recordings which Warren cleaned QUEL parser, the main database engine, and the utilities. four processes: the user interface, which was just text input, the because it required separated I/D space, and even with that ran in science which only ran UNIX 1/3 of the time. INGRES needed an 11/70 floor of Evans which was shared between math, statistics, and computer sure that was on an 11/70. I think there was an 11/40 on the 4th The INGRES ARPAnet didn't come in until about 1976, and I'm pretty -- that's really cool. annotations, at home. I didn't recall that there were recordings made very flimsy paper with lots of carbons. I still have my copy, with Jeff had printed out multiple copies of the V6 kernel onto some could only handle maybe 15-20 people and the room wasn't full. room one half floor down from the INGRES offices (273M Cory) that (seminar? tutorial? conversation?) took place in a tiny conference which I think resulted in the "fifty changes" distribution, The class work together on the instructional 11/70 on the first floor of Cory, the same time as Ken was taking sabbatical -- they did a lot of others, but Bill Joy is likely; I'm pretty sure he was at Berkeley in Berkeley yet. I don't recall about Bob Epstein or any of the responsible for setting it up. Kirk McKusick hadn't arrived Yes, I was there, as was Jeff Schriebman, who was at least partiallyEric Allman responded with this e-mail: in 2018 and gave me permission to further distribute these talks. if anyone remembers who was there better than I. Ken was contacted Kirk McKusick and/or Bob Epstein. I am passing this by them to see likely possibilities are Bill Joy, Eric Allman, Jeff Schreibman, dates or who the participants are other than Ken and me. Some Unfortunately there is no metadata on the tapes such as exact systems nationwide. 11/40 on the Arpanet as part of a massive network of perhaps 50-100 might have been roughly the same time we put the INGRES Project PDP racks of memory that totalled 2 Megabytes as I remember. I think this PDP-11/40s and finally on a fully tricked out PDP 11/70 with three bringing up perhaps the 2nd through 4th UNIX systems at Berkeley on year when Ken was on sabbatical from Bell visiting Berkeley and The seminar was held, I believe, sometime in the 1975-6 academic there are some interesting tid-bits and exchanges. didn't make all the talks, so the tapes are not complete. However, Jeff Schreibman and some others I can't remember. Unfortunately I hundred pages long. Included in the group are Bill Joy, Kirk McKusick, the University of New South Wales source listing which only a few was an informal seminar that lasted six weeks or so. We went through grad students at UC Berkeley while he was a visiting prof. there. This through of one of an early UNIX kernel code listing with a group of I have three or four cassette tapes of Ken Thompson doing a readIn his e-mail he says:Ken Thompson gave around 1975. These recordings were donated by Bob Kridle.This directory contains MP3 recordings of a Unix code walkthrough thatadiXhttps://minnie.tuhs.org/cgi-bin/utree.pl?file=V6/usr/sysnotices are mishttps://minnie.tuhs.org/cgi-bin/utree.pl?file=V6/usr/sysnotices are mishttps://minnie.tuhs.org/cgi-bin/utree.pl?file=V6/usr/https://minnie.tuhs.org/cgi-bin/utree.pl?file=V6/usr/sysYou can see the 6th Edition Unix kernel source code here:adusr/sys/v6unix/changenotesApplications/Spencer_Tapes/unsw3.tar.gz