setuid (euid) after setuid (uid) on System 5

[Leslie Mikesell]

In article <19534 at adm.BRL.MIL> rbj at dsys.icst.nbs.gov (Root Boy Jim) writes:

>Actually, none of this really matters. Saved set-UID's are merely
>convenient. If root wants to do something as l'user, he can just
>fork and give away his privilege. The parent is still privileged.

Yeah, and it's merely inconvenient that the program has to have a
very different way to determine the results of the activity of the
forked child than what would be used it the program did the work
itself.  Fortunately, root's permissions are usually sufficient for
most things...

Les Mikesell