$ sudo du -shx /* 2>/dev/null
8.9M    /bin
24M     /boot
4.0K    /cdrom
4.0K    /dev
22M     /etc
72G     /home
0       /initrd.img
206M    /lib
15M     /lib32
4.0K    /lib64
16K     /lost+found
36K     /media
4.0K    /mnt
1.3G    /opt
0       /proc
88K     /root
1.2M    /run
9.4M    /sbin
4.0K    /selinux
4.0K    /srv
0       /sys
224K    /tmp
5.1G    /usr
1.9G    /var
0       /vmlinuz
$ df -lah
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda1             451G  312G  117G  73% /
proc                     0     0     0   -  /proc
sysfs                    0     0     0   -  /sys
fusectl                  0     0     0   -  /sys/fs/fuse/connections
none                     0     0     0   -  /sys/kernel/debug
none                     0     0     0   -  /sys/kernel/security
udev                  3.9G  4.0K  3.9G   1% /dev
devpts                   0     0     0   -  /dev/pts
tmpfs                 1.6G  1.2M  1.6G   1% /run
none                  5.0M     0  5.0M   0% /run/lock
none                  3.9G  5.6M  3.9G   1% /run/shm
binfmt_misc              0     0     0   -  /proc/sys/fs/binfmt_misc
vmware-vmblock           0     0     0   -  /run/vmblock-fuse
gvfs-fuse-daemon         0     0     0   -  /home/ringlej/.gvfs