From owner-freebsd-questions@FreeBSD.ORG  Mon May  4 09:47:04 2009
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 19E4E1065670
	for <freebsd-questions@freebsd.org>;
	Mon,  4 May 2009 09:47:04 +0000 (UTC)
	(envelope-from jmc-freebsd2@milibyte.co.uk)
Received: from relay.ptn-ipout01.plus.net (relay.ptn-ipout01.plus.net
	[212.159.7.35]) by mx1.freebsd.org (Postfix) with ESMTP id A6A628FC1E
	for <freebsd-questions@freebsd.org>;
	Mon,  4 May 2009 09:47:03 +0000 (UTC)
	(envelope-from jmc-freebsd2@milibyte.co.uk)
X-IronPort-Anti-Spam-Filtered: true
X-IronPort-Anti-Spam-Result: ApoEAC9P/knUnw6S/2dsb2JhbAC+RgGNcIJMAYEwBQ
Received: from ptb-relay02.plus.net ([212.159.14.146])
	by relay.ptn-ipout01.plus.net with ESMTP; 04 May 2009 10:18:01 +0100
Received: from [84.92.153.232] (helo=curlew.milibyte.co.uk)
	by ptb-relay02.plus.net with esmtp (Exim) id 1M0uJF-0000e8-BT
	for freebsd-questions@freebsd.org; Mon, 04 May 2009 10:18:01 +0100
Received: by curlew.milibyte.co.uk with local (Exim 4.69)
	(envelope-from <jmc-freebsd2@milibyte.co.uk>) id 1M0uJE-0000u8-PF
	for freebsd-questions@freebsd.org; Mon, 04 May 2009 10:18:01 +0100
From: Mike Clarke <jmc-freebsd2@milibyte.co.uk>
To: freebsd-questions@freebsd.org
Date: Mon, 4 May 2009 10:18:00 +0100
User-Agent: KMail/1.9.10
References: <fa8771800905031146v51a8b752ra125f68a2520da4f@mail.gmail.com>
	<fa8771800905031429g10824451qc1f608b4189eff24@mail.gmail.com>
	<49fe3674.T7f7dmOgxNx5YnmK%perryh@pluto.rain.com>
In-Reply-To: <49fe3674.T7f7dmOgxNx5YnmK%perryh@pluto.rain.com>
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
Message-Id: <200905041018.00717.jmc-freebsd2@milibyte.co.uk>
X-SA-Exim-Connect-IP: <locally generated>
X-SA-Exim-Mail-From: jmc-freebsd2@milibyte.co.uk
X-SA-Exim-Scanned: No (on curlew.milibyte.co.uk);
	SAEximRunCond expanded to false
X-Plusnet-Relay: bd9efda29ab2a6e5050fc77f92d479ae
Subject: Re: clear old output in login screen?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 04 May 2009 09:47:04 -0000

On Monday 04 May 2009, perryh@pluto.rain.com wrote:

> If I needed to do this, could not find a way to do it via
> configuration settings, and didn't want to hack the login
> source code, I would try renaming the login binary to
> something like login.real, and replacing it with an
> executable script containing something like:
>
> =A0 #!/bin/csh
> =A0 clear
> =A0 vidcontrol -C
> =A0 exec /usr/bin/login.real "$@"

But this wouldn't prevent someone scrolling back with the scroll lock=20
key before logging in. I assume the OP's requirement is to stop people=20
from seeing previous users console activity.

=2D-=20
Mike Clarke