# du -skx /usr/* | sort -h
12 /usr/lib32
104 /usr/local
488 /usr/games
10520 /usr/include
11048 /usr/sbin
150608 /usr/bin
505056 /usr/src
1140296 /usr/share
1392188 /usr/lib
# find /usr -size +50M -print
/usr/lib/jvm/java-6-openjdk-i386/jre/lib/rt.jar
/usr/share/icons/gnome/icon-theme.cache
