Professional File System: Difference between revisions

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Revision as of 14:38, 4 July 2016

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The '''Professional File System''' is a [[filesystem]] originally developed commercially for the [[Amiga]], 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.webcitationamigalife.orginfo/6c0Fpf268inediti/inediti2-prove2.html |journal=Enigma Amiga Life |___location=Italy |issue=122 |access-date=3 October 2015 |deadurl=unfit |archiveurl=http://www.webcitation.org/6c0Fpf268 |archivedate=October 3, 2015 }}</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.