read cd's but not dvd's?

[Scott Long]

Wilko Bulte wrote:
> On Sat, Nov 04, 2006 at 11:44:08AM -0800, freebsd at bitfreak.org wrote..
>> O. Hartmann wrote:
>>> I also had never success mounting several commercial cinema-scope DVDs 
>>> due to an unrecognized non-ISO9660 format - maybe some kind of copy 
>>> prevention.
>> That would probably be because DVDs use the UDF format.  ISO9660 is only 
>> for CDs.
> 
> Not true, there are also DVDs with ISO9660.  Quite a few actually.
> 

Most commercial DVD movies contain both a UDF and an ISO9660 filesystem.
I haven't purchased a lot of DVD ROMs myself, but most I've seen have
been ISO9660.  For storing write-once data, ISO9660 is great format; 
it's simple and well supported.

Scott