I like doing similar tricks with zfs snapshots for containers on linux and jails on fBSD. (this is not intended to start a filesystem argument, I'm doing it wi

I like doing similar tricks with zfs snapshots for containers on linux and jails on fBSD. (this is not intended to start a filesystem argument, I'm doing it with zfs because I already know zfs and it's available on both of the OSen I care about; if you already know btrfs and are only running things that support it, clearly you should use that for the exact same reasons ;)