Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 779M 2.1M 777M 1% /run /dev/mapper/XXXXXX iso9660 3.0G 3.0G 0 100% /cdrom /cow overlay 3.9G 403M 3.5G 11% / tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs tmpfs 3.9G 556K 3.9G 1% /tmp tmpfs tmpfs 779M 1.8M 777M 1% /run/user/XXX