Path: utzoo!attcan!uunet!lll-winken!ames!mailrus!iuvax!bsu-cs!dhesi
From: dhesi@bsu-cs.UUCP (Rahul Dhesi)
Newsgroups: comp.os.misc
Subject: Re: Unix bigotry
Message-ID: <5366@bsu-cs.UUCP>
Date: 16 Jan 89 21:03:46 GMT
References: <1135@raspail.UUCP> <229@sea375.UUCP> <1143@raspail.UUCP>
Reply-To: dhesi@bsu-cs.UUCP (Rahul Dhesi)
Organization: CS Dept, Ball St U, Muncie, Indiana
Lines: 11

In article <1143@raspail.UUCP> bga@raspail.UUCP (Bruce Albrecht) writes:
>Here's something you can't do with Unix group permissions:  grant different
>access rights to different users.

But consider the set-user-id bit.

It sacrifices convenience but gives you the awesome power to allow
users with middle initials of i, j, k, and l to read the contents of
file x on Tuesdays, but only if their process id is a perfect square.
-- 
Rahul Dhesi         UUCP:  <backbones>!{iuvax,pur-ee}!bsu-cs!dhesi