[TUHS] 'more' command for Unix V7

Hellwig Geisse hellwig.geisse at mni.thm.de
Fri Feb 17 02:20:40 AEST 2023


years ago, when I ported V7 to my own microprocessor ECO32,
I wanted to have a stable reference running on a (simulated)
PDP-11 in order to better understand some difficult corners
of the original implementation. The set of files I used can
be found here (and the archive's docs say "This set of files
from Keith Bostic looks like the original tape records from
the 7th Edition distribution tape."):


I had a few minor difficulties to get it running in simh,
mostly centered around the tape format and the configuration
of the simulator, but finally I was able to install V7 exactly
as advised in the manual ("Setting Up UNIX"). I packaged the
whole adventure (original files, simh, scripts) together with


On this site, you can also find all files extracted from the
V7 file system to the host (Linux in my case).

If you have questions, I will be glad to help.


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