From: Martin Boehnke (mrb@dtro.e-technik.th-darmstadt.de)
Date: 03/16/93 

From: mrb@dtro.e-technik.th-darmstadt.de (Martin Boehnke)
Subject: Re: sorry
Date: Tue, 16 Mar 1993 21:29:26 GMT

bram@fangorn.hacktic.nl (Bram Smits) writes:
>-Who knows how to set up things so I can log in as root from a terminal (PC
> running Linux connected through a nullmodem). Logging in as another user
> works fine...

Well, there is a file /etc/securetty that disables root-login,
if a specific terminal is not registered.