Filesystem Type Size Used Avail Use% Mounted on udev devtmpfs 3.8G 0 3.8G 0% /dev tmpfs tmpfs 781M 1.5M 780M 1% /run /dev/sdb3 ext4 221G 15G 194G 8% / tmpfs tmpfs 3.9G 3.0M 3.9G 1% /dev/shm tmpfs tmpfs 5.0M 8.0K 5.0M 1% /run/lock /dev/sdb1 vfat 286M 5.9M 280M 3% /boot/efi tmpfs tmpfs 781M 2.9M 778M 1% /run/user/XXXX