BFS

BFS (also BeFS) is the file format for BeOS. See also Haiku which is a recreation of BeOS and can read BFS to a greater or lesser extent. A later re-implemented version was known as Open BFS, and SkyFS was forked from it.

Resources

 * The BeOS file system: an OS geek retrospective accessed 28 Oct 2012.
 * Practical File System Design With the Be File System, by Dominic Giampaolo (the designer of BFS)