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ISO/IEC 13490 (also known as ECMA -168) is the successor to ISO 9660 (level 3), intended to describe the file system of a CD-ROM or CD-R . ISO 13490 has several improvements over its predecessor. It fully addresses the filename, POSIX attribute, and multibyte character issues that were not handled by ISO 9660.
List of ISO standards. This is a list of published [note 1] standards and other deliverables of the International Organization for Standardization (ISO). [note 2] For a complete and up-to-date list of all the ISO standards, see the ISO catalogue. [1]
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ISO/IEC 13490 (also known as ECMA -168) is the successor to ISO 9660 (level 3), intended to describe the file system of a CD-ROM or CD-R. ISO 13490 has several improvements over its predecessor. It fully addresses the filename, POSIX attribute, and multibyte character issues that were not handled by ISO 9660.
ISO/IEC 13490 specifies a format and associated system requirements for volume and boot block recognition, volume structure, file structure and record structure for the interchange of information between users of information processing systems using CD-WO (a write-once compact disk medium), hybrid CD-WO (a write-once compact disk with a read ...
- History
- Specifications
- Extensions and Improvements
- Disc Images
- Platforms
- See Also
- Further Reading
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Compact discs were originally developed for recording musical data, but soon were used for storing additional digital data types because they were equally effective for archival mass data storage. Called CD-ROMs, the lowest level format for these type of compact discs was defined in the Yellow Book specification in 1983. However, this book did not ...
The following is the rough overall structure of the ISO 9660 file system. Multi-byte values can be stored in three different formats: little-endian, big-endian, and in a concatenation of both types in what the specification calls "both-byte" order. Both-byte order is required in several fields in the volume descriptors and directory records, while ...
There are several extensions to ISO 9660 that relax some of its limitations. Notable examples include Rock Ridge (Unix-style permissions and longer names), Joliet (Unicode, allowing non-Latin scripts to be used), El Torito (enables CDs to be bootable) and the Apple ISO 9660 Extensions (file characteristics specific to the classic Mac OS and macOS, ...
Optical disc images are a common way to electronically transfer the contents of CD-ROMs. They often have the filename extension .iso (.iso9660is less common, but also in use) and are commonly referred to as "ISOs".
Most operating systems support reading of ISO 9660 formatted discs, and most new versions support the extensions such as Rock Ridge and Joliet. Operating systems that do not support the extensions usually show the basic (non-extended) features of a plain ISO 9660 disc. Operating systems that support ISO 9660 and its extensions include the following...
Evans, Harold; Buckland, Gail; Lefer, David (2004). They Made America: From the Steam Engine to the Search Engine: Two Centuries of Innovators. Little, Brown and Co. ISBN 978-0-316-27766-2.Lambert, Steve; Ropiequet, Suzanne, eds. (1986). CD ROM - The New Papyrus: The current and future state of the art. Microsoft Press. ISBN 0-914845-74-8."Summary of the ISO 9660 Specifications". Archived from the originalon 27 May 2022."Description of data structures in ISO-9660". Archived from the originalon 17 July 2011.ISO/IEC 13490-1:1995 Information technology — Volume and file structure of read-only and write-once compact disk media for information interchange Part 1: General. ISO/IEC 13490-1:1995. This standard was last reviewed and confirmed in 2008. Therefore this version remains current.
ISO/IEC 13490 is an enhancement of ISO 9660 for CD-ROM applications that has eliminated several restrictions and performance problems of ISO 9660. ISO/IEC 13346 and ISO/IEC 13490 follow the same volume and file structure framework.
