Path: utzoo!attcan!uunet!lll-winken!ames!mailrus!ukma!tut.cis.ohio-state.edu!triceratops.cis.ohio-state.edu!karl
From: karl@triceratops.cis.ohio-state.edu (Karl Kleinpaste)
Newsgroups: comp.os.misc
Subject: Re: Unix bigotry
Message-ID: <KARL.89Jan16132904@triceratops.cis.ohio-state.edu>
Date: 16 Jan 89 18:29:04 GMT
References: <1135@raspail.UUCP> <229@sea375.UUCP> <1143@raspail.UUCP>
Sender: news@tut.cis.ohio-state.edu
Organization: OSU
Lines: 15
In-reply-to: bga@raspail.UUCP's message of 15 Jan 89 20:31:05 GMT

bga@raspail.UUCP (Bruce Albrecht) writes:
> > >  Last time I checked, it didn't have guardian procedures, either.

> >  What are guardian procedures?

>  A procedure that is invoked whenever you open a file, that intercepts all
>  I/O to perform filtering or security verification.

See:

Bershad, Brian N., and C. Brian Pinkerton, "Watchdogs - Extending the
UNIX File System," _Computing_Systems_, Vol 1, No 2, Spring 1988,
University of California Press.

--Karl