Filesystem Type Size Used Avail Use% Mounted on devtmpfs devtmpfs 3.9G 0 3.9G 0% /dev tmpfs tmpfs 3.9G 81M 3.9G 3% /dev/shm tmpfs tmpfs 3.9G 2.9M 3.9G 1% /run tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/sda1 ext4 20G 2.2G 17G 12% / /dev/sdb2 ext4 914G 5.1G 863G 1% /usr tmpfs tmpfs 3.9G 2.8M 3.9G 1% /tmp /dev/sda5 ext4 94G 385M 93G 1% /home tmpfs tmpfs 797M 16K 796M 1% /run/user/XXX