Filesystem              1K-blocks      Used Available Use% Mounted on
/dev/mapper/ubuntu-root 718640440 414969928 267158976  61% /
none                            4         0         4   0% /sys/fs/cgroup
udev                      1019044        12   1019032   1% /dev
tmpfs                      205516       836    204680   1% /run
none                         5120         0      5120   0% /run/lock
none                      1027564        80   1027484   1% /run/shm
none                       102400        28    102372   1% /run/user
/dev/sda1                  233191    106718    114032  49% /boot