Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 1.6G 2.2M 1.6G 1% /run /dev/sda1 vfat 15G 2.5G 13G 17% /cdrom /cow overlay 7.7G 4.2G 3.5G 55% / tmpfs tmpfs 7.7G 8.0K 7.7G 1% /dev/shm tmpfs tmpfs 5.0M 4.0K 5.0M 1% /run/lock tmpfs tmpfs 7.7G 504K 7.7G 1% /tmp tmpfs tmpfs 1.6G 1.8M 1.6G 1% /run/user/XXX