root@ffbuild:~# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/vda1 41151808 19525500 19512880 51% /
none 4 0 4 0% /sys/fs/cgroup
udev 1014152 4 1014148 1% /dev
tmpfs 205000 328 204672 1% /run
none 5120 0 5120 0% /run/lock
none 1024992 0 1024992 0% /run/shm
none 102400 0 102400 0% /run/user