Technical document for the Moo's "files" directory.
                    Neil Fraser, April 99.

This directory is used by the Moo's File I/O functions to store files
off-line.  Large texts (such as mail and ghost images) are dumped here
since diskspace is much cheaper than memory.

This directory is also directly accessible from the web:
  http://files.moo.ca/
Because of this, any private files (such as mail) must be made -r to the world.

The directory structure is simple; each object on the Moo has its own 
directory.  The directories are four layers deep with each 
layer represending a digit in the Moo object's number. For example, 
files belonging to #828 (the picnic page) are found in /0/8/2/8, files 
belonging to #2557 (*wiztalk) are found in /2/5/5/7.

It is a convention to have ALL files and directory names lower-case.  UNIX
is case-sensitive, the Moo is not.  Keeping everything lower-case eliminates
potential confusion.

IMPORTANT:  Make sure that any files written to the files directory tree
are owned by the 'moo' account.  Otherwise the Moo will not have
delete access (this is a bad thing because the Moo can't maintain the dir 
structure).

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