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Be File System

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BFS (also referred to as BeFS) is short for the BeOS File System, the native file system for the BeOS operating system.

BFS was developed by Dominic Giampalo and Cyril Meurillon in 1996 over a 10 month period to provide BeOS with a modern 64-bit capable journaling file system. It is case sensitive and capable of being used on floppy, hard disks and read-only media such as CD-ROM.

Like its predecessor, OFS, it includes support for extended file attributes (metadata) with indexing and querying characteristics to provide functionality similar to that of a relational database. Similar facilities are scheduled for Microsoft Windows in the future under the name WinFS.

Its design process, API, and internal workings were, for the most part, documented in the book "Practical File System Design", ISBN 1558604979. Although the book is now out of print it is freely available in PDF format.

Practical File System Design with the Be File System (PDF)]