[TUHS] Unix on Zilog Z8000?
Heinz Lycklama
heinz at osta.com
Wed Jan 22 07:07:07 AEST 2020
That is correct. John Bass did contribute the lockf(2) system call
to the /usr/group standard. It is in the 1984 document.
Heinz
On 1/21/2020 10:28 AM, Clem Cole wrote:
> The Onyx box redated all the 68K and later Intel or other systems.
> John Bass brought one to USENIX to demo in early 1980 ru a V7 port
> and everyone was blown away. Playing with it. It was a desktop (19"
> rack) system that worked like a PDP-11. I don't remember the bus,
> but I would guess it was either custom or Multibus-I.
>
> Besides being one of the first non-PDP-11 'ports', the original
> lockf(2) system call was defined for the database that they had built.
> John would release the specs to /usr/group later. I remember at one
> meeting in the early 1980s discussing if file locking needed to be in
> the original specification (Heinz probably remembers also as the chair
> of that meeting). I'm not at home, so I don't have the document to
> see if it was picked up. The argument was that serious computers like
> VMS or the like ran real databases and without file locking UNIX would
> never be considered a real OS that people could use.
>
> BTW: Joy would later use Bass's call as a model for the 4.2 call, but
> Joy made the locks advisory, Bass's version was full / mandatory locks.
>
> FWIW: I think a search will pick up a number of other Z8000 based
> systems, but Onyx was the first UNIX box.
>
> On Tue, Jan 21, 2020 at 12:53 PM Jon Forrest <nobozo at gmail.com
> <mailto:nobozo at gmail.com>> wrote:
>
> There's been a lot of discussion about early Unix on Intel, National
> Semi, Motorola, and Sparc processors. I don't recall if Unix ran on
> the Z8000, and if not, why not.
>
> As I remember the Z8000 was going to be the great white hope that
> would continue Zilog's success with the Z80 into modern times.
> But, it obviously didn't happen.
>
> Why?
>
> Jon
>
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