Filesystem Size Used Avail Use% Mounted on devtmpfs 5.8G 0 5.8G 0% /dev tmpfs 5.9G 0 5.9G 0% /dev/shm tmpfs 5.9G 2.7M 5.9G 1% /run tmpfs 5.9G 0 5.9G 0% /sys/fs/cgroup /dev/sdb3 20G 6.1G 13G 33% / /dev/sda2 96M 32M 65M 33% /boot/efi tmpfs 5.9G 12K 5.9G 1% /tmp /dev/sdb5 44G 84M 44G 1% /home tmpfs 1.2G 16K 1.2G 1% /run/user/XXX