Live File System: Difference between revisions
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'''Live File System''' is the term [[Company:Microsoft|Microsoft]] uses to describe the [[Engineering:Packet writing|packet writing]] method of creating discs in [[Software:Features new to Windows Vista#UDF packet writing (Live File System)|Windows Vista]] and later, which allows writeable optical media to act like [[Mass storage|mass storage]] by replicating its file operations. Live File System lets users manage files on recordable and rewriteable optical discs inside the [[Software:Windows File Manager|file manager]] with the familiar workflow known from mass storage media such as [[Engineering:USB flash drive|USB flash drive]]s and external [[Engineering:Hard disk drive|hard disk drive]]s. | '''Live File System''' is the term [[Company:Microsoft|Microsoft]] uses to describe the [[Engineering:Packet writing|packet writing]] method of creating discs in [[Software:Features new to Windows Vista#UDF packet writing (Live File System)|Windows Vista]] and later, which allows writeable optical media to act like [[Mass storage|mass storage]] by replicating its file operations. Live File System lets users manage files on recordable and rewriteable optical discs inside the [[Software:Windows File Manager|file manager]] with the familiar workflow known from mass storage media such as [[Engineering:USB flash drive|USB flash drive]]s and external [[Engineering:Hard disk drive|hard disk drive]]s. | ||
Files can be added incrementally to the media, as well as modified, moved and deleted.<ref>{{cite web|url=http://blogs.techrepublic.com/window-on-windows/?p=536 |title=Take advantage of Vista's Live File System optical disc format |last=Shultz |first=Greg |date=September 20, 2007 |publisher=techrepublic.com |access-date=2008-11-22 |archive-url=https://archive.today/20120708160904/http://www.techrepublic.com/blog/window-on-windows/take-advantage-of-vistas-live-file-system-optical-disc-format/536 |archive-date=July 8, 2012 |url-status=dead }}</ref> These discs use the UDF file system.<ref name="windows-help">{{cite web|url=http://windowshelp.microsoft.com/Windows/en-US/help/2af64e60-60aa-4d79-ab6c-3a5db5806cbe1033.mspx#section_2|title=Understanding the difference between the Live File System and Mastered disc formats|work=Which CD or DVD format should I use?|publisher=Microsoft|archive-url=https://web.archive.org/web/20160302084517/http://windows.microsoft.com/en-us/windows/which-cd-dvd-format#1TC=windows-7|archive-date=2016-03-02|url-status=dead}}</ref> 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 [[Engineering:CD-R|CD-R]], [[Engineering:CD-RW|CD-RW]], DVD±R, DVD±RW and BD-RE, and UDF 2.60 for BD-R.<ref>{{cite web|url=https://www.computerwissen.de/windows/windows-news/artikel/dateien-mit-dem-windows-explorer-brennen.html |title=Dateien mit dem Windows-Explorer brennen |language=de-DE |first=Timo |last=Hahn |date=2009-02-13 |website=ComputerWissen}}</ref>{{efn|Although HD-DVD has also been supported,<ref>{{cite web |title=Software: UDF reader 2.5 |url=https://www.videohelp.com/software/UDF-Reader |website=VideoHelp |date=2006-11-11}}</ref> the disc type has been discontinued.}} | Files can be added incrementally to the media, as well as modified, moved and deleted.<ref>{{cite web|url=http://blogs.techrepublic.com/window-on-windows/?p=536 |title=Take advantage of Vista's Live File System optical disc format |last=Shultz |first=Greg |date=September 20, 2007 |publisher=techrepublic.com |access-date=2008-11-22 |archive-url=https://archive.today/20120708160904/http://www.techrepublic.com/blog/window-on-windows/take-advantage-of-vistas-live-file-system-optical-disc-format/536 |archive-date=July 8, 2012 |url-status=dead }}</ref> These discs use the UDF file system.<ref name="windows-help">{{cite web|url=http://windowshelp.microsoft.com/Windows/en-US/help/2af64e60-60aa-4d79-ab6c-3a5db5806cbe1033.mspx#section_2|title=Understanding the difference between the Live File System and Mastered disc formats|work=Which CD or DVD format should I use?|publisher=Microsoft|archive-url=https://web.archive.org/web/20160302084517/http://windows.microsoft.com/en-us/windows/which-cd-dvd-format#1TC=windows-7|archive-date=2016-03-02|url-status=dead}}</ref> 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 [[Engineering:CD-R|CD-R]], [[Engineering:CD-RW|CD-RW]], DVD±R, DVD±RW and BD-RE, and UDF 2.60 for BD-R.<ref>{{cite web |url=https://www.computerwissen.de/windows/windows-news/artikel/dateien-mit-dem-windows-explorer-brennen.html |title=Dateien mit dem Windows-Explorer brennen |language=de-DE |first=Timo |last=Hahn |date=2009-02-13 |website=ComputerWissen }} </ref>{{efn|Although HD-DVD has also been supported,<ref>{{cite web |title=Software: UDF reader 2.5 |url=https://www.videohelp.com/software/UDF-Reader |website=VideoHelp |date=2006-11-11}}</ref> the disc type has been discontinued.}} However even if UDF 1.50 and above can be read, only the plain UDF build may be supported and not necessarily either the VAT or Spared UDF builds required for full compatibility. [[Software:Windows 2000|Windows 2000]] for example only supports the original UDF 1.50 variation and not the Virtual Allocation Table build for remapped physical blocks; something not all optical drive units fully implement either. | ||
The ''Live File System'' option is used by default by [[Software:AutoPlay|AutoPlay]] when formatting/erasing a CD/DVD -R or -RW. | The ''Live File System'' option is used by default by [[Software:AutoPlay|AutoPlay]] when formatting/erasing a CD/DVD -R or -RW. | ||
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== See also == | == See also == | ||
* [[Software:InCD|InCD]] – Commonly used for packet writing before natively supported since Windows Vista | * [[Software:InCD|InCD]] – Commonly used for packet writing before natively supported since Windows Vista | ||
== References == | == References == | ||
Latest revision as of 16:01, 16 May 2026
Short description: Windows file system for CD and DVD
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 mass storage by replicating its file operations. Live File System lets users manage files on recordable and rewriteable optical discs inside the file manager with the familiar workflow known from mass storage media such as USB flash drives and external hard disk drives.
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] However even if UDF 1.50 and above can be read, only the plain UDF build may be supported and not necessarily either the VAT or Spared UDF builds required for full compatibility. Windows 2000 for example only supports the original UDF 1.50 variation and not the Virtual Allocation Table build for remapped physical blocks; something not all optical drive units fully implement either.
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
See also
- InCD – Commonly used for packet writing before natively supported since Windows Vista
References
- ↑ Shultz, Greg (September 20, 2007). "Take advantage of Vista's Live File System optical disc format". techrepublic.com. http://blogs.techrepublic.com/window-on-windows/?p=536.
- ↑ 2.0 2.1 "Understanding the difference between the Live File System and Mastered disc formats". Which CD or DVD format should I use?. Microsoft. http://windowshelp.microsoft.com/Windows/en-US/help/2af64e60-60aa-4d79-ab6c-3a5db5806cbe1033.mspx#section_2.
- ↑ Hahn, Timo (2009-02-13). "Dateien mit dem Windows-Explorer brennen" (in de-DE). https://www.computerwissen.de/windows/windows-news/artikel/dateien-mit-dem-windows-explorer-brennen.html.
- ↑ "Software: UDF reader 2.5". 2006-11-11. https://www.videohelp.com/software/UDF-Reader.
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