On Mon, Jul 21, 2025 at 11:20 AM sirjofri via 9fans <[email protected]> wrote:
> [snip]
> > And don't forget Brazil!
>
> I know plan 9 has a solid history in Brazil, did they have their own fork? It
> would be cool to learn more about that.
Kinda. As I understood it, Brazil was sort of a mostly-rewrite of Plan
9, after 2e. It was the working name of the system as it was used
internally at Bell Labs, and formed the basis of what became Plan 9
third edition. I believe the name `rio` for the window system is a bit
of a nod here; in 2e it was 8+1/2, after the Fellini film. Brazil was
(AFAIK) named for the Terry Gilliam film, but of course, Rio de
Janeiro is in (the country) Brazil.
Why the rename? I don't really know, but perhaps they felt that the
system had changed sufficiently that it was warranted, particularly in
the graphics subsystems? Maybe it was thought of as a
more-experimentally oriented system, free of backwards compatibility
requirements. Was it a fork? I wouldn't use that terminology to
describe it precisely; more of a follow-on that was then re-merged
into a continuation of the earlier system.
- Dan C.
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