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{{FormatInfo
|formattype=electronic
|subcat=Filesystem
|released=~1991
}}
'''Rock Ridge''' (Rock Ridge Interchange Protocol; '''RRIP''') is an extension of [[ISO 9660]] (CD-ROM) format to support POSIX (Unix-style) per-file metadata. It includes support for longer and less-restrictive filenames, file permissions, and timestamps.

Rock Ridge is standardized as IEEE P1282. It is built on top of [[System Use Sharing Protocol]] (SUSP).

== Extensions ==
Refer to [[ISO 9660#Extensions]]. Some of the items listed there are extensions of Rock Ridge and/or SUSP.

== Specifications ==
* [ftp://ftp.ymi.com/pub/rockridge/rrip112.ps Rock Ridge Interchange Protocol, draft standard v1.12] (dead ftp; [https://people.freebsd.org/~emaste/rrip112.pdf pdf version]; [http://web.archive.org/web/20231028220928/https://people.freebsd.org/~emaste/rrip112.pdf wayback]) 
* [http://cdrtools.sourceforge.net/private/RRIP/rrip.ps Rock Ridge Interchange Protocol, draft standard v1, rev. 1.10] ([https://archive.org/details/enf_pobox_Rrip another copy])
* {{CdTextfilesURL|internetinfo/standards/iso/9660/rockridge/}} ... - Proposal v1 rev. 1.09
See also [[System Use Sharing Protocol#Specifications]].

== Links ==
* [[Wikipedia: Rock Ridge]]

[[Category:Metadata]]