du -h --max-depth=1 /usr/
26M     /usr/qt
172M    /usr/bin
52K     /usr/doc
167M    /usr/kde
1.4G    /usr/lib
1.5G    /usr/src
103M    /usr/java
10M     /usr/sbin
3.4M    /usr/i686-pc-linux-gnu
557K    /usr/games
102M    /usr/local
1.1G    /usr/share
30M     /usr/libexec
0       /usr/i386-pc-linux-gnu
104M    /usr/include
1.1G    /usr/portage
5.6G    /usr/