Md5sum
From Leo's Notes
This page was last edited on 15 April 2013, at 06:02.
Since FreeBSD does not have md5sum by default, to do md5sum checks, either do a diff against the checksum file:
md5 * | diff /path/to/md5.checksum -
Or use a script like http://www.daemonforums.org/showthread.php?t=4202