Knowra ISO 9660 ISO 9660 ISO 9660 is a filesystem standard for organizing files and directories on optical discs. It was designed to make CD-ROM contents readable across different computer systems.
Volume descriptor : A data structure describing a filesystem volume, including its identity, layout, and root directory. ISO 9660 stores key disc metadata in volume descriptors near the beginning of the volume.
Filesystem : A system for naming, organizing, storing, and retrieving files on a storage medium. ISO 9660 is one specific filesystem format.
High Sierra Format : A 1980s filesystem proposal for arranging files on CD-ROMs, closely related to ISO 9660. ISO 9660 developed from the High Sierra format proposed by industry participants.
El Torito (CD-ROM standard) : A specification for booting computers from CD-ROMs using boot catalog and image structures. Bootable ISO 9660 discs commonly use El Torito to describe boot images.
Directory record : A filesystem structure recording a file or directory’s name, location, size, and related attributes. ISO 9660 directory entries use records to locate files and describe their names.
CD-ROM : An optical disc format that stores computer data for read-only access. ISO 9660 was designed chiefly to organize data on CD-ROMs.
ISO : The International Organization for Standardization, a body that develops international standards. ISO published the filesystem specification as an international standard.
UDF (file system) : A filesystem standard designed for optical media, including rewritable discs and larger capacities. UDF is a more flexible optical-disc alternative to ISO 9660.
Path table : A compact index of directory locations used to find directory records efficiently. ISO 9660 path tables summarize directory hierarchy and help systems traverse it.
Compact Disc Digital Data : The sector-level data format used to store computer information on compact discs. ISO 9660 places filesystem structures within the data area of a data CD.
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