/sys/doc/auth.ps is much more interesting.

my analogy is that YOU are factotum and your assistant is the program
that you (factotum) will authenticate to the remote system to act on
your behalf.

> Factotum is some guy in the room that, even though you have the phone, you
> keep asking what to say next on the line to get authentication to happen.
>
> Is this a bad analogy?
> Factotum is available on the client side during authentication via a library
> we can use to talk to it.  When we get an "afd" we basically write and read
> from it asking our local factotum what to say next?
> Is this where the proxying happens?  If so I think I get it... otherwise no
> :-)
>
> Dave