[TUHS] Is there a good, even definitive, list of reimplementations of the Unix kernel? What would good cut-off criteria be?

[Stuff Received via TUHS]

On 2026-04-20 23:21, Phil Budne via TUHS wrote:
> Wesley Parish wrote:
>> Not forgetting, Doug Braun's UZI - Unix for the Z80
> 
> How about UniFLEX and OS-9 for the 6809?

No one seems to have mentioned KSOS (vide 
https://www.tuhs.org/pipermail/tuhs/2025-October/032635.html).

SF.