Filesystem Type Size Used Avail Use% Mounted on devtmpfs devtmpfs 3.9G 0 3.9G 0% /dev tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs tmpfs 3.9G 2.7M 3.9G 1% /run tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/sdb2 ext4 20G 9.8G 8.8G 53% / /dev/sdb1 vfat 252M 5.3M 246M 3% /boot/efi tmpfs tmpfs 3.9G 8.0K 3.9G 1% /tmp /dev/sdb4 ext4 123G 12G 111G 10% /home tmpfs tmpfs 795M 16K 795M 1% /run/user/XXX