diskusage is a shell script, written for FreeBSD 3.x and higher.

It is an add on package for FreeBSD's du and du must be present 
for this program to work.  Shows current users diskusage in
human readable format, totals the output and shows available
space left on partitions.  Assumes user's home directory is
/home/$USER and that user's mail directory is /var/mail/$USER

WWW: http://www.maske.org/apps/diskusage/

- Douglas A. Maske <support@maske.org>