Filesystem Size Used Avail Use% Mounted on devtmpfs 3.9G 0 3.9G 0% /dev tmpfs 3.9G 27M 3.9G 1% /dev/shm tmpfs 3.9G 2.9M 3.9G 1% /run tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/sda4 20G 6.8G 12G 38% / /dev/sdb1 96M 30M 67M 31% /boot/efi tmpfs 3.9G 876K 3.9G 1% /tmp /dev/sda5 75G 266M 75G 1% /home tmpfs 786M 16K 786M 1% /run/user/XXX /dev/sda1 1.8T 613G 1.2T 35% /media/XXXXXXXX