Professional File System: Difference between revisions

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{{Short description|Improved file system for AmgaOS}}

[[File:pfs3.png|right]]

{{Infobox Filesystem

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The '''Professional File System''' is a [[filesystem]] originally developed commercially for the [[Amiga]],<ref>{{cite magazine |date=January 1995|title=Trois nouveaux gestionnaires de disque venant du DP, FFS versus PFS: un combat gagné d'avance?|language=French|magazine=AmigaNews|publisher=NewsEdition|issn=1164-1746|issue=75|pages=76}}</ref> now distributed on [[Aminet]] with a 4-clause [[BSD license]]. It is a compatible successor of '''AmiFileSafe''' (AFS), with an emphasis on added reliability and speed compared to standard Amiga filesystems.<ref name="EAL">{{cite journal|last=Favini |first=Andrea |title=Professional File System 3 |url=http://www.amigalife.info/inediti/inediti2-prove2.html |journal=Enigma Amiga Life |___location=Italy |issue=122 |access-date=3 October 2015 |url-status=unfit |archiveurl=https://web.archive.org/web/20020529194129/http://www.amigalife.info/inediti/inediti2-prove2.html |archivedate=May 29, 2002 }}</ref><ref>{{cite magazine |last=Drummond|first=Richard|date=Christmas 1999 |title=Professional File System 3|magazine=Amiga Format |publisher=Future Publishing|issn=0957-4867|issue=131|pages=48-4948–49}}</ref> It also features multi-user abilities like the older [[MuFS]].<ref name="EAL" />

The device is split into two main areas. At the beginning of the device is the metadata section, which consists of a root block, and a generic array of blocks that can be allocated to store metadata. The rest of the device is another contiguous generic array of blocks that can be allocated to store data. The metadata section usually uses a few percent of the device, depending on the size of the device.

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==External links==

*[httphttps://pfs-amigagithub.sourceforge.netcom/tonioni/pfs3aio Official repository]

*[https://aminet.net/package/disk/misc/pfs3aio PFS3 All-In-One]

{{AmigaOS}}