The Unix V4 tape read was successfulhttps://discuss
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The Unix V4 tape read was successful
https://discuss.systems/@ricci/115747843169814700 -
The Unix V4 tape read was successful
https://discuss.systems/@ricci/115747843169814700aap has it booting
it appears to be something between the documentation for V4 and V5
https://squoze.net/UNIX/v4/--- quote from Matt Day email:
Correction: the commands present in Angelo's copy of the v4 tape include:
dd, diff, glob, lpr, msh, pwd, teeNot present in Angelo's copy of the v4 tape: col, eqn, neqn, spell
Present in Fifth Edition: all of the above, according to
https://dspinellis.github.io/unix-history-man/man1.htmlOn Fri, Dec 19, 2025 at 9:28 PM Matt Day <fjarlq@gmail.com> wrote:
> Cool, thanks Angelo.. I got it running easily thanks to your efforts.
>
> At a glance it looks like Fifth Edition to me... all the files are
> timestamped June 10 - 12, 1974. Commands present include col, dd, diff,
> eqn, glob, lpr, msh, neqn, pwd, spell, and tee -- according to
> https://dspinellis.github.io/unix-history-man/man1.html those commands
> first appeared in Fifth Edition and were not present in Fourth. -
undefined oblomov@sociale.network shared this topic on
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aap has it booting
it appears to be something between the documentation for V4 and V5
https://squoze.net/UNIX/v4/--- quote from Matt Day email:
Correction: the commands present in Angelo's copy of the v4 tape include:
dd, diff, glob, lpr, msh, pwd, teeNot present in Angelo's copy of the v4 tape: col, eqn, neqn, spell
Present in Fifth Edition: all of the above, according to
https://dspinellis.github.io/unix-history-man/man1.htmlOn Fri, Dec 19, 2025 at 9:28 PM Matt Day <fjarlq@gmail.com> wrote:
> Cool, thanks Angelo.. I got it running easily thanks to your efforts.
>
> At a glance it looks like Fifth Edition to me... all the files are
> timestamped June 10 - 12, 1974. Commands present include col, dd, diff,
> eqn, glob, lpr, msh, neqn, pwd, spell, and tee -- according to
> https://dspinellis.github.io/unix-history-man/man1.html those commands
> first appeared in Fifth Edition and were not present in Fourth.@bitsavers The server at squoze.net only supports HTTP and not HTTPS - here's a working link: http://squoze.net/UNIX/v4/
and for those who want to read along, the mailing list archive links:
https://www.tuhs.org/pipermail/tuhs/2025-December/032855.html
https://www.tuhs.org/pipermail/tuhs/2025-December/032860.html -
undefined stefano@mastodon.bsd.cafe shared this topic on
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The Unix V4 tape read was successful
https://discuss.systems/@ricci/115747843169814700Video of the disk image running on a real PDP-11/45
https://www.youtube.com/watch?v=zh-9rBYmGow