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ISO 9660 (also known as ECMA-119) is a file system for optical disc media. The file system is an international standard available from the International Organization for Standardization (ISO). Since the specification is available for anybody to purchase, implementations have been written for many operating systems.
ISO 9660 has given rise to popular use of the term ISO-image, where it is used to refer to an exact snapshot of a disc. Today, the use of ISO images goes beyond their use on actual CDs.
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Universal Disk Format ( UDF) is an open, vendor-neutral file system for computer data storage for a broad range of media. In practice, it has been most widely used for DVDs and newer optical disc formats, supplanting ISO 9660. Due to its design, it is very well suited to incremental updates on both write-once and re-writable optical media.
Operating System1.021.502.0xBeOS/magnussoft ZETA/HaikuYesYesYesFreeBSD 5.0 and newerread onlyread onlyNoNoNoNoYesYesYesThe ISO 9660 standard specifies three ways to encode 16 and 32-bit integers, using either little-endian (least-significant byte first), big-endian (most-significant byte first), or a combination of both (little-endian followed by big-endian). Both-endian (LSB-MSB) fields are therefore twice as wide.
This first edition cancels and replaces the first edition (ISO 9660:1988), which has been technically revised. It also incorporates the Amendments ISO 9660:1988/Amd. 1:2013 and ISO 9660:1988/Amd. 2:2020.
HighMAT. See also. References. External links. Optical disc authoring, including CD, DVD, and Blu-ray Disc authoring, is the process of assembling source material—video, audio or other data—into the proper logical volume format to then be recorded ("burned") onto an optical disc (typically a compact disc or DVD ).
