Correct.  This can't be done with standard Unix permissions.  However,
ACLs could be used to accomplish this.
~M


On Tue, 23 Jul 2002, George Toft wrote:

> I was given this puzzle, and told it cannot be solved using Unix:
>
> You have a file that needs protected from prying eyes.  You must allow
> only 5 people read access, and 4 people read/write access.  The rest of
> the world cannot be allowed to view it.  What set of Unix permissions
> and ownership can support this?
>
> George
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