I vaguely remember hearing this this was only really available for toy code and that this function created the class ignored the arguments and qualified println when you compiled it, so it wasn’t actually that useful?

I think microkernel’s are weird but everything I hear does seem to imply they are better then what we currently have. That being said, “microkernel’s are the future” is a pretty old take now and I don’t know any OS that has one.

Linux is monolithic. Windows is somehow monolithic, bloated and extremely minimal. Don’t know about apple but I would guess they’re also monolithic since they are old and Unix based and that combination generally means monolithic.

Do you mean GNU Shepherd? The same init system that only got to 1.0 last year? Systems has been carrying Linux for years at this point.