A removable optical disk of the write once type is managed to minimize size of the control area for user data recorded on the disk. Instead of recording each recorded file indicating token (serial number) as each file is recorded, a maximum value file token having a numerical value greater than a previous...http://www.google.de/patents/US5347651?utm_source=gb-gplus-sharePatent US5347651 - System for allocating worm optical medium file storage in groups of fixed size addressable areas while tracking unrecorded areas and end of volume
