Filesystem      1K-blocks     Used Available Use% Mounted on
udev              2001720        4   2001716   1% /dev
tmpfs              403440     1152    402288   1% /run
/dev/sda1       253771396 11299236 229558292   5% /
none                    4        0         4   0% /sys/fs/cgroup
none                 5120        0      5120   0% /run/lock
none              2017196        4   2017192   1% /run/shm
none               102400       44    102356   1% /run/user
/dev/sdb1      1031991040    73044 979472864   1% /cases