[OpenAFS] chown'ing and chgrp'ing user volume mount points

[Derrick J Brashear]

On Mon, 8 Mar 2004, Russ Allbery wrote:

> > AFS UIDs are positive integers, right, and AFS GIDs are negative
> > integers?
>
> AFS doesn't have GIDs.  AFS doesn't do anything at all with the GID in the
> sense that you're thinking of, and the GID is meaningless in AFS except
> for setgid programs.
>
> PTS groups are a completely different entity entirely, and have nothing to
> do with file ownership.

dirty little secret. the uid owning the top level directory (inode) of a
volume gets implicit admin rights. everyone knows that. but if you hack
your kernel to allow a negative number to be passed in, a pts group can
have those implicit rights.