Filesystem Size Used Avail Use% Mounted on devtmpfs 1.9G 0 1.9G 0% /dev tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 2.0G 1.3M 2.0G 1% /run tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/sda2 20G 6.9G 12G 37% / /dev/sda1 252M 5.1M 246M 3% /boot/efi tmpfs 2.0G 8.0K 2.0G 1% /tmp /dev/sda4 434G 865M 433G 1% /home tmpfs 390M 0 390M 0% /run/user/XXX tmpfs 390M 12K 390M 1% /run/user/XXX