Finch is FreeBSD running inside a chroot. Finch is best used as a way to extend the functionality of restricted USB-based FreeBSD distributions, usually FreeNAS and NAS4Free. For added convenience, Finch also includes the qjail jails management tool. Since FreeBSD jails are such a popular request.
Recommended system configuration:
# Restricted FreeBSD host <--> FreeBSD-in-a-chroot (a.k.a "Finch") <--> Qjail <--> jails
Официальный сайт http://dreamcat4.github.io/finch/