This article is from the storage FAQ part1, by Rodney D. Van Meter with numerous contributions by others.
Write-Once-Read-Many Standards are less firm between vendors. For info on file systems for WORM, see the reference to ISO/IEC 13346 in http://www.mv.com/users/kaikow/. Also check out the OSTA (Optical Storage Technology Association) specs for UDF (Universal Disk Format). UDF is one of the file systems that will be used with DVD. (from firstname.lastname@example.org and email@example.com, 1996/3/20)