Filesystem Type Size Used Avail Use% Mounted on tmpfs tmpfs 382M 16M 366M 5% /run /dev/sdb1 iso9660 2.9G 2.9G 0 100% /cdrom /cow overlay 1.9G 253M 1.7G 14% / /dev/disk/by-label/writable ext4 4.6G 11M 4.3G 1% /var/log tmpfs tmpfs 1.9G 0 1.9G 0% /dev/shm tmpfs tmpfs 5.0M 4.0K 5.0M 1% /run/lock tmpfs tmpfs 1.9G 584K 1.9G 1% /tmp tmpfs tmpfs 382M 132K 382M 1% /run/user/XXX