root@vps970:/# df -h
Filesystem            Size  Used Avail Use% Mounted on
simfs                  10G  9.7G  358M  97% /
tmpfs                  16G     0   16G   0% /lib/init/rw
varrun                 16G  276K   16G   1% /var/run
varlock                16G     0   16G   0% /var/lock
udev                   16G     0   16G   0% /dev
tmpfs                  16G     0   16G   0% /dev/shm

root@vps970:/# du -h --max-depth=1
4.0K    ./boot
du: cannot access `./proc/23383/task/23383/fd/4': No such file or directory
du: cannot access `./proc/23383/task/23383/fdinfo/4': No such file or directory
du: cannot access `./proc/23383/fd/4': No such file or directory
du: cannot access `./proc/23383/fdinfo/4': No such file or directory
0       ./proc
4.0K    ./selinux
341M    ./var
172K    ./tmp
0       ./sys
5.8M    ./sbin
3.6G    ./home
4.0K    ./opt
44K     ./root
503M    ./usr
12M     ./lib
4.0K    ./mnt
0       ./dev
4.0K    ./media
4.0K    ./srv
4.6M    ./bin
4.7M    ./etc
4.5G    .

root@vps970:/# apt-get autoremove
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.