Coherent had the beginnings of X. Not so good , but it worked.

Ken


On Mon, Mar 13, 2023 at 11:41 AM Warner Losh <imp@bsdimp.com> wrote:

>
>
> On Mon, Mar 13, 2023 at 9:24 AM Clem Cole <clemc@ccc.com> wrote:
>
>> FWIW I think Minix for the 8088 may have supported them - be
>> worth checking.
>>
>
> Minix 1.1 and 1.2 didn't have them. Unsure of later versions since they
> aren't packaged nicely for quick checking.
>
> Coherent didn't seem to have them, but it's kinda hard to tell for sure
> without more study.
>
>
>> My bet would be to look at ITS, WAITES and Twenex for the origin story.
>>
>
>  TOPS-20 had a way to attach and detach from a PTY. But they didn't keep
> the state of the screen... programs did, but not the kernel.
>
> Warner
>


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JOB TERMINATED