Something

du -k | sort -n
2       ./.snap
2       ./account
2       ./at/jobs
2       ./at/spool
2       ./audit
2       ./db/freebsd-update
2       ./db/ipf
2       ./db/portsnap
2       ./empty
2       ./games
2       ./heimdal
2       ./named/dev
2       ./named/etc/namedb/dynamic
2       ./named/etc/namedb/master
2       ./named/etc/namedb/slave
2       ./named/var/dump
2       ./named/var/log
2       ./named/var/run/named
2       ./named/var/stats
2       ./preserve
2       ./run/named
2       ./run/ppp
2       ./rwho
2       ./spool/lock
2       ./spool/lpd
2       ./spool/mqueue
2       ./spool/opielocks
2       ./spool/output/lpd
2       ./tmp
4       ./crash
4       ./db/ports/ImageMagick
4       ./db/ports/gettext
4       ./db/ports/lcms
4       ./db/ports/p5-Authen-SASL
4       ./db/ports/php4
4       ./db/ports/php4-extensions
4       ./db/ports/php4-gd
4       ./db/ports/php4-mbstring
4       ./db/ports/phpMyAdmin
4       ./db/ports/pico
4       ./db/ports/portupgrade
4       ./db/ports/rsync
4       ./db/ports/ruby
4       ./msgs
4       ./named/var/run
4       ./spool/output
6       ./at
10      ./cron/tabs
12      ./backups
12      ./cron
12      ./named/var
12      ./spool/clientmqueue
18      ./db/entropy
22      ./yp
26      ./named/etc/namedb
26      ./spool
28      ./named/etc
30      ./run
44      ./db/portaudit
44      ./named
54      ./db/ports
128     ./mail
460     ./db/mysql/mysql
520     ./log/webmin
910     ./log
7666    ./db/sup/src-all
7668    ./db/sup
342494  ./db/mysql/boxalex_01
363952  ./db/mysql
371744  ./db
372962  .