> But there is other possibility: minimal root that is easy to manage, switch, etc. etc. and rest of the system :) Yeah, libostree ("git for operating systems

> But there is other possibility: minimal root that is easy to manage, switch, etc. etc. and rest of the system :) Yeah, libostree ("git for operating systems binaries") benefits from merging /usr. It might even be a requirement to have merged /usr to be able to use it. https://en.m.wikipedia.org/wiki/OSTree https://en.m.wikipedia.org/wiki/OSTree