Filesystem Size Used Avail Use% Mounted on devtmpfs 3.9G 0 3.9G 0% /dev tmpfs 3.9G 6.1M 3.9G 1% /dev/shm tmpfs 3.9G 1.4M 3.9G 1% /run tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/sda1 20G 7.1G 12G 39% / tmpfs 3.9G 12K 3.9G 1% /tmp /dev/sda6 1.8T 16G 1.8T 1% /home tmpfs 789M 16K 789M 1% /run/user/XXX tmpfs 789M 0 789M 0% /run/user/0