At boot time it will look for a (read-only) media containing a "/live"
directory where a root filesystems (often a compressed filesystem image like
squashfs) is stored. If found, it will create a writable environment, using
- unionfs, for Debian like systems to boot from.
+ aufs or unionfs, for Debian like systems to boot from.
.
You probably do not want to install this package onto a non-live system,
although it will do no harm.