Rock Ridge is an extension to the
ISO 9660 volume format.
The extension adds support for storing Unix specific file information on ISO 9660 CD-ROMs.
These extensions are, briefly:
- longer file names (up to 255 characters, I think)
- almost any ASCII character can be used in file and folder names
- owner permissions can be stored
- there's more, but I do not have that handy right now.
See the ISO 9660 page about operating support for Rock Ridge.
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