Filesystem Type Size Used Avail Use% Mounted on devtmpfs devtmpfs 1.5G 0 1.5G 0% /dev tmpfs tmpfs 1.5G 0 1.5G 0% /dev/shm tmpfs tmpfs 1.5G 2.3M 1.5G 1% /run tmpfs tmpfs 1.5G 0 1.5G 0% /sys/fs/cgroup /dev/sda1 ext4 20G 7.2G 12G 39% / tmpfs tmpfs 1.5G 12K 1.5G 1% /tmp /dev/sda3 ext4 51G 46G 5.1G 90% /home tmpfs tmpfs 303M 12K 303M 1% /run/user/XXX