Filesystem Size Used Avail Use% Mounted on
/dev/mapper/ubuntu--vg-root 292G 174G 103G 63% /
none 4.0K 0 4.0K 0% /sys/fs/cgroup
udev 902M 4.0K 902M 1% /dev
tmpfs 183M 1.3M 182M 1% /run
none 5.0M 0 5.0M 0% /run/lock
none 913M 156K 913M 1% /run/shm
none 100M 48K 100M 1% /run/user
/dev/sda1 236M 185M 39M 83% /boot
我使用 ubuntu 14.04