Filesystem Size Used Avail Use% Mounted on devtmpfs 3.9G 0 3.9G 0% /dev tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 3.9G 1.4M 3.9G 1% /run /dev/sda2 907G 6.1G 855G 1% / tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup tmpfs 3.9G 20K 3.9G 1% /tmp /dev/sda1 300M 264K 300M 1% /boot/efi tmpfs 789M 8.0K 789M 1% /run/user/XXXX