I don’t know how does Snap handles its loops (which I believe mounting is or was the slow part), but Linux always caches as much as possible in the unused memory.

SnapOS sounds better than the current hybrid that is Ubuntu.

It seems like that is where Canonical wants to end up anyways, its going to be very weird to see a non Debian Ubuntu.

I’m personally waiting for kerneld

The Apple XNU kernel is open source though, right here: https://github.com/apple-oss-distributions/xnu