🚀 go-pugleaf

RFS under Sys V Release 3 on the 3b2's is not fully implemented with file
system switch (fss).  There are also some RFS specific system calls.
Apparently, fss and RFS were developed independently and only partially
merged.

Fss was originally developed under Research Version 8 for /proc, a special
type of file system where each active process appears as a file whose name
is the process id and contents contiain kernel user structure info.

The idea to put fss in SVR3 was motivated by the need to merge SV, BSD, and
MS-DOS.  In fact AT&T's 386 version of SVR3 does allow mounting of MS-DOS
diskettes.  Fss works by having a switch table listing functions for each
fs type to perform various actions.

The reason there is so little documentation on fss is that it needs some
major modifications to be completely generic.  Perhaps someone from AT&T
can tell us if what the plans for RFS and fss are in Release 4?

David Grossman			..!wucs2!abstl!dpg
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