>> http://www.freebsd.org/cgi/man.cgi?query=mtree&apropos=0&sektion=0&manpath=FreeBSD+7.0-RELEASE&format=html So it looks like, technically, I can run: mtree -c -d -i -n -k uname,gname,mode,nochange for each directory, and then diff the output of that file with the original in /etc/mtree. Is this inefficient?