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 2.7M 3.9G 1% /run tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/sda5 51G 18G 30G 38% / tmpfs 3.9G 8.0K 3.9G 1% /tmp tmpfs 798M 0 798M 0% /run/user/XXX tmpfs 798M 12K 798M 1% /run/user/XXX