[TUHS] Pipes (was Re: After 50 years, what has the Impact of Unix been?)

[Adam Thornton]

/23+, no?  The basic 23 doesn't have an MMU, I'm pretty sure.

On Thu, Dec 5, 2024 at 11:58 AM Ron Natalie <ron at ronnatalie.com> wrote:

> I remember on MiniUnix (a stripped down kernel that would run on PDP11’s
> without memory management, in our case 11/03, 11/20, and an older 11/40)
> there were no kernel pipes (and limited process concurrency).
> The shell used the aforementioned emulation of pipe by just running the
> output of one process into a temporary file subsequently loaded as stdin
> of the other.
>
> We kind of put all that to bed when the 11/23s came out and we could run
> our full up kernel on the micros.
>
>
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