Nokia-N900:~# du -kx /| sort -n| tail -n 30
3240    /usr/lib/gconv
3332    /usr/share/sounds
3384    /lib/modules/2.6.28-omap1
3456    /usr/share/mime
5188    /usr/sbin
5356    /etc
5636    /usr/lib/microb-engine/components
6384    /usr/share/nokia-maps/html
6516    /usr/lib/gstreamer-0.10
6704    /usr/lib/browser/plugins
6888    /usr/lib/browser
7448    /usr/share/nokia-maps
7960    /lib/dsp
8740    /lib/modules/2.6.28.10-power52
12124   /lib/modules
12256   /usr/share/locale
14160   /usr/share/microb-engine/chrome
14840   /usr/share/microb-engine
18528   /usr/bin
19796   /usr/lib/microb-engine
22280   /var/lib/dpkg/info
23352   /usr/lib/locale
25424   /var/lib/dpkg
25592   /lib
26152   /var/lib
26232   /var
51528   /usr/share
131292  /usr/lib
206956  /usr
267604  /