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Tom Lyon

Personal blog · akapugs.blogsystemshistory

Tom Lyon writes a.k.a. Pugs, a personal blog at akapugs.blog about systems and history. Since 2020, 7 different Hacker News readers have linked it 7 times, most often “The Roots of Unix for the IBM Mainframe (Part 1) – a.k.a. Pugs”. The last post was in 2022, but the archive is still widely read.

Visit the blog
7mentions?
7HN people?
2020–2025first – last linked?
Links on Hacker News per year · peak 2 in 2024

Too few sampled comments (2) to say how often HN recommends it.?

Why HN links it

HN readers link Tom Lyon's posts on the history of Unix on IBM-compatible mainframes, including a 2018 post on an early System/370 Unix port that became an Amdahl product. The comments cite it as background and don't evaluate the writing.

Summarised by Claude from a sample of 2 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.

Tom Lyon's Personal Blog

Most-linked posts?

  1. The Roots of Unix for the IBM Mainframe (Part 1) – a.k.a. Pugs
    4 people · 4 mentions · first linked 2020-10-21

What Hacker News says?

  1. I hadn't heard about that UNIX "Princeton port" before. Thanks! Also TIL: Eric Schmidt worked on that port apparently ( https://en.wikipedia.org/wiki/Amdahl_UTS ), in addition to or around the same time as his ?summer? internship work at Bell Labs as co-author of Lex ( https://en.wikipedia.org/wiki/Eric_Schmidt ). That would have been before he went to Berkeley and then joined Sun as its first software manager. Tom…

    Comment linking /2018/05/12/370unixpart1/

    on “IBM RISC System/6000 Family”
  2. Submitted Joining Sun Microsystems – 40 years ago (2022) as a story · 196 points

    HN discussion
  3. See my blog about a much earlier port, which became an Amdahl product. Amdahl's computers were IBM 370 "clones". https://akapugs.blog/2018/05/12/370unixpart1/ You can run Amdahl UTS under the Hercules emulator. See how: https://www.youtube.com/watch?v=k56qLxG-sUM and https://www.youtube.com/watch?v=iFUHwkbVTJg

    Comment linking /2018/05/12/370unixpart1/

    on “A Unix System Implementation for System/370 (1984) [pdf]”
  4. Submitted My summer at Bell Labs (2018) as a story · 61 points

    HN discussion
  5. Submitted The Roots of Unix for the IBM Mainframe (Part 1) – a.k.a. Pugs as a story · 3 points

    HN discussion
  6. Submitted 3Mb Ethernet and Holy Wars as a story · 3 points

    HN discussion
  7. Submitted The Roots of Unix for the IBM Mainframe (2018) as a story · 1 points

    HN discussion

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