Google is always a source of wonderful things... I was searching for 'man mount vfs' and I found this one: http://www.smethers.net/~jason/fkhh/kernel/subsystems/vfs.html it seems to be prt of http://www.smethers.net/~jason/fkhh/ Which seems to be the FreeBSD equivalent of http://www.moses.uklinux.net/patches/lki.html (less complete though) François