Filesystem     1K-blocks     Used Available Use% Mounted on
udev             4012284        0   4012284   0% /dev
tmpfs             808356     1220    807136   1% /run
/dev/sda1      479668904 50218128 405015168  12% /
tmpfs            4041768        0   4041768   0% /dev/shm
tmpfs               5120        4      5116   1% /run/lock
tmpfs            4041768        0   4041768   0% /sys/fs/cgroup