[OpenAFS] why PAGs?

[Derrick Brashear]

On Mon, Mar 1, 2010 at 2:50 PM, Adam Megacz <adam@megacz.com> wrote:
>
> I recently found out that Coda does not have PAGs, and deliberately
> omits them (it's not just that they haven't had time to implement them).
>
> This got me to wondering: why does AFS have PAGs? =A0Restricting the focu=
s
> to UNIX for a moment, if we assume that there is a local userid for
> every PTS identity, are PAGs really necessary?

What if I want to give away my powers, but have no other user to
change userid to?