Re: Different approach - harder to understand

["Nuno Emanuel F. Carvalho" <nemanuel@student.dei.uc.pt>]

On Sun, 9 May 1999, Roland McGrath wrote:

> Yes, the current hurd version (not 0.2) has the hostmux and ftpfs

 I thought 0.2 was the current version !

> Because different parts of the system are implemented in separate server
> programs, there is no universal inherent notion of uid and so forth as
> there is in a kernel like Linux.  The Hurd auth server is the server in
> charge of uids and gids, and every other Hurd server talks to the auth
> server to figure out the uids and gids of a user process that asks that
> server to do something.
>
> So the short answer is, it's needed because without it there would be no
> concept of a UID.  Likewise, the proc server (another essential server) is
> needed because without it there would be no concept of a PID.

 auth server is "replacing" uids and gids !?
 process server is "replacing" pids !?

 They will be used anyway but not visibles to the hurd users ?

 Thanks for your help.

 Regards,
   Nuno Carvalho