User's Manual

Basics DVD-ROM Drive Technology - 36
File Management System Micro UDF & ISO9660
Universal Disk Format (UDF) is a file system standard that
supports both rewritable and write-once media. It is a
cross-platform data format that allows transparent
interchange of data via optical discs or CD-ROMs. UDF also
defines methods for reading, writing and other operations.
Discs that are read on a Mac OS-based computer may also be
read on a DOS, UNIX or Windows based computer. The format
can coexist with CD-ROM data format (ISO 9660) but also
incorporates the International Standards Organization
interchange standard for rewritable and write-once media
(ISO 13346) thus providing support for CD-Recordable
discs (CD-R).
Before UDF was available, every CD-Recordable drive used a
proprietary format of writing data, which prevents the
ability to interchange files. Fortunately, most drives