In the Solaris 7 11/99 release, the UDF file system provides the following features:
Ability to access the industry standard CD-ROM and DVD-ROM media when they contain a UDF file system.
Flexibility in exchanging information across platforms and operating systems.
A mechanism for implementing new applications rich in broadcast-quality video, high-quality sound along with the richness in interactivity using DVD video specification based on UDF format.
The following features are not included in this UDF file system release:
Support for write-once media, CD-RW and DVD-RAM, with both the sequential disk-at-once and incremental recording.
UFS components such as quotas, ACLs, transaction logging, file system locking, and file system threads, which are not UDF 1.50 specification requirements.