[root@plesk /]# du -sh *
4.0K    711
16K     aquota.user
5.7M    bin
5.2M    boot
168K    dev
24M     etc
109M    home
8.0K    initrd
82M     lib
16K     lost+found
8.0K    media
8.0K    misc
8.0K    mnt
4.0M    opt
907M    proc
4.5G    root
14M     sbin
8.0K    selinux
8.0K    srv
4.0K    subd
0       sys
32K     tmp
2.5G    usr
43G     var