Let me add that Howard Sturgis' dissertation "Post-mortem for a Time-sharing System" is great reading. It's unusual that failures are documented but this case study is worthy.
On Thu, Oct 27, 2022 at 1:00 PM <[email protected]> wrote: > Send cctalk mailing list submissions to > [email protected] > > To subscribe or unsubscribe via email, send a message with subject or > body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of cctalk digest..."Today's Topics: > > 1. Re: CAL TSS information and source listings ([email protected]) > 2. ISO someone to refurbish two IBM 010 card punches (LJW cctech) > > > > ---------- Forwarded message ---------- > From: [email protected] > To: [email protected] > Cc: > Bcc: > Date: Thu, 27 Oct 2022 16:13:06 -0000 > Subject: [cctalk] Re: CAL TSS information and source listings > Lars Brinkhoff wrote: > > Paul McJones posted this recently: > > https://mcjones.org/CalTSS/ > > > > There aren't a lot of machine readable media, but many listings: > > https://mcjones.org/CalTSS/source/ > > I hesitated to post here -- was the CDC 6400 a classic computer? :-) -- > but Lars broke the ice. The system ran on a 6400 with Extended Core Storage > and Central Exchange Jump (most of the operating system ran on the CPU, > counter to normal CDC 6000 practice). The project took place at UC Berkeley > between 1968 and 1971 (although hardware acquisition began in 1966). What > the university really wanted was simple interactive service (editing, > BASIC, remote job submission, etc.) in conjunction with batch jobs running > on SCOPE on the main, larger 6400, but what they got was a state-of-the-art > research system offering capability-based protection, multiple protection > domains per process, and more. Unfortunately, it couldn't support enough > concurrent users to be economical. > > The technical ideas are well-described here: > > Butler W. Lampson and Howard E. Sturgis. Reflections on an operating > system design. Communications of the ACM, 19(5):251-265, January 1976. > https://dl.acm.org/doi/abs/10.1145/360051.360074 (open access) > > The project history is described here: > > Paul McJones and Dave Redell. History of the CAL Timesharing System. > Submitted to: IEEE Annals of the History of Computing. > https://www.mcjones.org/CalTSS/paper/cal_tss_history.pdf > > Through heroic effort, Terry Heidelberg has managed to create an emulation > environment and boot the system and run some programs, but it's not ready > for prime time! > > > Paul > > > > ---------- Forwarded message ---------- > From: LJW cctech <[email protected]> > To: [email protected] > Cc: > Bcc: > Date: Thu, 27 Oct 2022 18:05:58 +0200 > Subject: [cctalk] ISO someone to refurbish two IBM 010 card punches > Hello all, > > Is there anyone out there that would be prepared to tackle restoring > a couple of IBM 010 card punches functionally and cosmetically? > > This is a paying job! > > These are the small tabletop units. > One is manual: https://flic.kr/p/2nVAJeg > The other is motorised: https://flic.kr/p/2nVB8Pa > > They are apparently complete but will need cleaning, repainting and > adjusting, and whatever you can do with the key-tops. > > The manual one was used by the current owner in 1962 so has some > sentimental value! > > They are in the USA but we can get them to you wherever you are. > > If you know of anyone who might be interested then feel free to > forward this email. > > -- > Lawrence Wilkinson [email protected] > The IBM 360/30 page http://www.ljw.me.uk/ibm360 >
