Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/sda4       36605528 3521808  31201200  11% /
none                   4       0         4   0% /sys/fs/cgroup
udev             1879672       4   1879668   1% /dev
tmpfs             377940    1224    376716   1% /run
none                5120       0      5120   0% /run/lock
none             1889700     140   1889560   1% /run/shm
none              102400      12    102388   1% /run/user