Boot File System

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The Boot File System (named BFS on Linux, but BFS also refers to the Be File System) was used on UnixWare to store files necessary to its boot process.[1]

It does not support directories, and only allows contiguous allocation for files, to make it simpler to be used by the boot loader.

Implementations

Besides the UnixWare support, Martin Hinner wrote a bfs kernel module for Linux that supports it.[2]

He documented the file system layout as part of the process.[3]

The Linux kernel implementation of BFS was written by Tigran Aivazian and it became part of the standard kernel sources on 28 October 1999 (Linux version 2.3.25).[4]

The original BFS was written at AT&T Bell Laboratories for the UNIX System V, Version 4.0 porting base in 1986.Script error: No such module "Unsubst". It was written by Ron Schnell, who is also the author of Dunnet (game).Script error: No such module "Unsubst".

BFS was the first non-S5Script error: No such module "Unsubst". (System V) Filesystem written using VFS (Virtual Filesystem) for AT&T UNIX.

References

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