[zokier]

> The ecosystem of applications and libraries that we need to get anything really useful done

I'd argue that you can get lot of useful things done with plain POSIX/C

> a OS + programming language + culture for "forever apps"

Isn't POSIX + C exactly that? Sure, not many people stick within those bounds, but those who do tend to care a lot about not breaking stuff.

[pjmlp]

yeah, except POSIX and C also aren't set in stone, also evolve, deprecate stuff, remove features, just like everything else.