Live File System

Live File System is the term Microsoft uses to describe the packet writing method of creating discs in Windows Vista and later, which allows writeable optical media to act like flash storage by replicating its file operations.

Files can be added incrementally to the media, as well as modified, moved and deleted.[1] These discs use the UDF file system.[2] The supported UDF versions for usage as a live file system are UDF 1.50, UDF 2.00, UDF 2.01, UDF 2.50 for CD-R, CD-RW, DVD±R, DVD±RW and BD-RE, and UDF 2.60 for BD-R.[3][lower-alpha 1]

The Live File System option is used by default by AutoPlay when formatting/erasing a CD/DVD -R or -RW.

Compatibility

Older Windows versions do not have support for reading the latest UDF versions.[2] If users create DVD/CDs in Windows Vista using UDF 2.50, these may not be readable on other systems, including Windows XP and older (pre-Mac OS 10.5) Apple systems unless a third-party UDF reader driver is installed. To ensure compatibility of disks created on Windows Vista, UDF 2.01 or lower should be selected.

Notes
  1. Although HD-DVD has also been supported,[4] the disc type has been discontinued.

See also

References
  1. Shultz, Greg (September 20, 2007). "Take advantage of Vista's Live File System optical disc format". techrepublic.com. Archived from the original on July 8, 2012. Retrieved 2008-11-22.
  2. "Understanding the difference between the Live File System and Mastered disc formats". Which CD or DVD format should I use?. Microsoft. Archived from the original on 2016-03-02.
  3. Hahn, Timo (2009-02-13). "Dateien mit dem Windows-Explorer brennen". ComputerWissen (in German).
  4. "Software: UDF reader 2.5". VideoHelp. 2006-11-11.
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