[TUHS] SCCS, TeamWare, BitKeeper, and Git

[Luther Johnson]

I don't know where mmap showed up in vanilla BSD distributions, but it
was in SunOS 4.0, I used it. To the other points, the Multics
"one-level-store" idea was very powerful, and was an important influence
in Apollo Domain/OS, and it was probably there in Prime Computer's OS too.

On 12/15/2024 12:02 PM, Chet Ramey via TUHS wrote:
> On 12/15/24 4:43 AM, G. Branden Robinson wrote:
>> At 2024-12-15T07:22:29+0000, Lars Brinkhoff wrote:
>
>> Maybe I would, in fact, hate using Multics.  But I can't forget that
>> well after Unix had fledged, its developers at CSRC found it necessary
>> and/or desirable to borrow back a Multics concept: they named it mmap().
>
> I think it was primarily inspired by TENEX/TOPS-20, and it was the CSRG
> who proposed it. The concepts are described in CSRG TR/4 and mmap()
> ended up described in the 4.2BSD manual, but not implemented.
>
> I don't think Reiser's VM system at the Labs included mmap(), but I think
> it did have something similar. Of course, that never really saw the light
> of day.
>