OS/Forth

https://www.forth.org/svfig/osf.html

tracks Inverse tree sub-directories Long file names with extensions Textual file descriptions for display during directory functions Various accepted file flags such as read-only,

Draft-leach-cifs-v1-spec-02

http://www.ubiqx.org/cifs/rfc-draft/draft-leach-cifs-v1-spec-02.html

Internet-Drafts Shadow Directories on ftp.is.co.za (Africa), nic.nordu.net (Europe), munnari.oz.au (Pacific Rim), ds.internic.net (US East Coast), or ftp.isi.edu (US West Coast).

That's everything I could find.
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