Filesystem     1K-blocks     Used Available Use% Mounted on
/dev/sda1       52737580 16023136  34012468  33% /
none                   4        0         4   0% /sys/fs/cgroup
udev             1018696        4   1018692   1% /dev
tmpfs             205492     1040    204452   1% /run
none                5120        0      5120   0% /run/lock
none             1027456      240   1027216   1% /run/shm
none              102400       40    102360   1% /run/user