Rock Ridge

The Rock Ridge Interchange Protocol (RRIP, IEEE P1282) is an extension to the ISO 9660 volume format, commonly used on CD-ROM and DVD media, which adds POSIX file system semantics. The availability of these extension properties allows for better integration with Unix and Unix-like operating systems. The Rock Ridge Interchange Protocol (RRIP, IEEE P1282) is an extension to the ISO 9660 volume format, commonly used on CD-ROM and DVD media, which adds POSIX file system semantics. The availability of these extension properties allows for better integration with Unix and Unix-like operating systems. The standard takes its name from the fictional town Rock Ridge in Mel Brooks' film Blazing Saddles.