[TUHS] Re: most direct Unix descendant

Ralph Corderoy wrote in &lt;20240606095502.AD4EE210F4(a)orac.inputplus.co.uk&gt;: |There's a chart of the connections between Unix versions at |https://en.wikipedia.org/wiki/List_of_Unix_systems, though I dislike the |lack of direction given there are some arcs with little incline. |It says it's based on https://www.levenez.com/unix/ where Éric notes his |chart is not limited to just source-code transfer. I also admire that FreeBSD and NetBSD keep on maintaining the bsd-family-tree (and in the original form, not that dots thing, or how it was called). So that starts with First Edition (V1) | Second Edition (V2) | Third Edition (V3) | Fourth Edition (V4) | Fifth Edition (V5) | Sixth Edition (V6) -----* \ | \ | \ | Seventh Edition (V7)----|----------------------* \ | | \ 1BSD | 32V | | \ 2BSD---------------* | \ / | | \ / | | \/ | | 3BSD | | | | | 4.0BSD 2.79BSD | | | | 4.1BSD --------------> 2.8BSD <-* | | 4.1aBSD -----------\ | | \ | 4.1bBSD \ | | \ | *------ 4.1cBSD --------------> 2.9BSD / | | Eighth Edition | 2.9BSD-Seismo | | | +----<--- 4.2BSD 2.9.1BSD ... and says Multics 1965 UNIX Summer 1969 DEC PDP-7 First Edition 1971-11-03 [QCU] DEC PDP-11/20, Assembler Second Edition 1972-06-12 [QCU] 10 UNIX installations Third Edition 1973-02-xx [QCU] Pipes, 16 installations Fourth Edition 1973-11-xx [QCU] rewriting in C effected, above 30 installations Fifth Edition 1974-06-xx [QCU] above 50 installations Sixth Edition 1975-05-xx [QCU] port to DEC Vax Seventh Edition 1979-01-xx [QCU] 1979-01-10 [TUHS] first portable UNIX .. with a nice Bibliography with falsely underscored headline plus URL: https://cgit.freebsd.org/src/tree/share/misc/bsd-family-tree It also covers the system most of you are using (later). --steffen | |Der Kragenbaer, The moon bear, |der holt sich munter he cheerfully and one by one |einen nach dem anderen runter wa.ks himself off |(By Robert Gernhardt)