/# du -haxd1 . | sort -h
4.0K    ./backup
4.0K    ./lib64
4.0K    ./opt
4.0K    ./webmin-setup.out
8.0K    ./media
8.0K    ./srv
12K     ./mnt
16K     ./lost+found
340K    ./build
9.7M    ./bin
17M     ./boot
26M     ./sbin
40M     ./lib
69M     ./etc
350M    ./root
1.3G    ./tmp
3.1G    ./usr
12G     ./var
17G     .

:/var# du -haxd1 . | sort -h
0       ./log
0       ./run
4.0K    ./crash
4.0K    ./local
4.0K    ./opt
4.0K    ./tmp
8.0K    ./lock
20K     ./www
1.4M    ./spool
16M     ./backups
48M     ./webmin
464M    ./cache
4.9G    ./mail
6.2G    ./lib
12G     .