Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 3.9G 0 3.9G 0% /dev tmpfs tmpfs 791M 1.5M 790M 1% /run /dev/sdb2 ext4 412G 12G 379G 4% / tmpfs tmpfs 3.9G 94M 3.8G 3% /dev/shm tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs tmpfs 791M 96K 791M 1% /run/user/XXXX