2023-03-08T23:58:10ZFluxBBhttps://dev1galaxy.org/viewtopic.php?id=5603If you like the notion of chroot overlay of the root filesystem, then you might also find pleasure with the overlay-boot package in http://deb.devuan.org/devuan experimental
It's some more serious scripting to establish "virtual machines" sharing the running kernel as well as overlaying the filesystem (fully or partially).
It comes with some documentation; man pages mostly.