On Tue, Feb 08, 2000 at 08:43:01PM +0100, Ruud de Rooij wrote: > What is the reason that the Linux su can't be used on the hurd? Or > has it simply been not ported yet? Completely different uids policy. On GNU/Linux you can have exactly 1 uid and 1 or more gids. On GNU/Hurd you can have 1 uid, 2 uids, 47 uids, even *no* uid at all. Same cosmics with gids applies.