ISO 13490

ISO/IEC 13490 is the next version of ISO 9960 (level 3), to act as the file system of a CD-ROM.

ISO 13490 has several improvments over its precedor. It has fully addresses the filename, POSIX attribute and multibyte character issues that were not handled by ISO 9660. In fact, it is a more efficient format, permits incremental recording, and permits both ISO 9660 format and ISO/IEC 13490 format to co-exist on the same media. It also specifies how to properly use multisession.