UDF ⇝

Universal Disk Format

<storage, standard>

(UDF) A CD-ROM file system standard that is required for DVD ROMs. UDF is the OSTA's replacement for the ISO 9660 file system used on CD-ROMs, but will be mostly used on DVD. DVD multimedia disks use UDF to contain MPEG audio and video streams.

To read DVDs you need a DVD drive, the kernel driver for the drive, MPEG video support, and a UDF driver. DVDs containing both UDF filesystems and ISO 9660 filesystems can be read without UDF support.

UDF can also be used by CD-R and CD-RW recorders in packet writing mode.

Last updated: 1999-09-01

Nearby terms:

Universal Description, Discovery, and Integration ♦ Universal Disk Format ♦ Universal Naming Convention

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