Filesystem Size Used Avail Use% Mounted on devtmpfs 2.9G 0 2.9G 0% /dev tmpfs 3.0G 0 3.0G 0% /dev/shm tmpfs 3.0G 1.1M 3.0G 1% /run tmpfs 3.0G 0 3.0G 0% /sys/fs/cgroup /dev/sda5 20G 6.4G 13G 35% / tmpfs 3.0G 20K 3.0G 1% /tmp tmpfs 596M 16K 596M 1% /run/user/XXX