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From: Jakub Wilk <jwilk@debian.org>
To: "Manuel Schölling" <manuel.schoelling@gmx.de>
Cc: plagnioj@jcrosoft.com, tomi.valkeinen@ti.com,
	geert@linux-m68k.org, broonie@linaro.org, rdunlap@infradead.org,
	dh.herrmann@gmail.com, airlied@redhat.com, mtosatti@redhat.com,
	linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] console: Add persistent scrollback buffers for all VGA consoles
Date: Fri, 30 May 2014 22:26:22 +0000	[thread overview]
Message-ID: <20140530222622.GA1385@jwilk.net> (raw)
In-Reply-To: <1401456425-15931-1-git-send-email-manuel.schoelling@gmx.de>

* Manuel Schölling <manuel.schoelling@gmx.de>, 2014-05-30, 15:27:
>Add a scrollback buffers for each VGA console. The benefit is that the 
>scrollback history is not flushed when switching between consoles but 
>is persistent.

Some people rely on this scrollback flushing as a security feature. Is 
there even another way to clear the scrollback, than to switch to 
another vt and then back again?

Debian ships this:
http://manpages.debian.org/cgi-bin/man.cgi?query=clear_console
https://sources.debian.net/src/bash/4.2%2Bdfsg-0.1/debian/clear_console.c

-- 
Jakub Wilk

WARNING: multiple messages have this Message-ID (diff)
From: Jakub Wilk <jwilk@debian.org>
To: "Manuel Schölling" <manuel.schoelling@gmx.de>
Cc: plagnioj@jcrosoft.com, tomi.valkeinen@ti.com,
	geert@linux-m68k.org, broonie@linaro.org, rdunlap@infradead.org,
	dh.herrmann@gmail.com, airlied@redhat.com, mtosatti@redhat.com,
	linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] console: Add persistent scrollback buffers for all VGA consoles
Date: Sat, 31 May 2014 00:26:22 +0200	[thread overview]
Message-ID: <20140530222622.GA1385@jwilk.net> (raw)
In-Reply-To: <1401456425-15931-1-git-send-email-manuel.schoelling@gmx.de>

* Manuel Schölling <manuel.schoelling@gmx.de>, 2014-05-30, 15:27:
>Add a scrollback buffers for each VGA console. The benefit is that the 
>scrollback history is not flushed when switching between consoles but 
>is persistent.

Some people rely on this scrollback flushing as a security feature. Is 
there even another way to clear the scrollback, than to switch to 
another vt and then back again?

Debian ships this:
http://manpages.debian.org/cgi-bin/man.cgi?query=clear_console
https://sources.debian.net/src/bash/4.2%2Bdfsg-0.1/debian/clear_console.c

-- 
Jakub Wilk

  parent reply	other threads:[~2014-05-30 22:26 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-30 13:27 [PATCH] console: Add persistent scrollback buffers for all VGA consoles Manuel Schölling
2014-05-30 13:27 ` Manuel Schölling
2014-05-30 14:28 ` Geert Uytterhoeven
2014-05-30 14:28   ` Geert Uytterhoeven
2014-05-30 14:57   ` Manuel Schoelling
2014-05-30 14:57     ` Manuel Schoelling
2014-05-30 17:06 ` Randy Dunlap
2014-05-30 17:06   ` Randy Dunlap
2014-05-30 22:26 ` Jakub Wilk [this message]
2014-05-30 22:26   ` Jakub Wilk
2014-05-31  9:49   ` Manuel Schoelling
2014-05-31  9:49     ` Manuel Schoelling
2016-04-23 10:07 ` Manuel Schölling
2016-04-23 10:07   ` Manuel Schölling
2016-05-02 17:59 ` Manuel Schölling
2016-05-02 17:59   ` Manuel Schölling
2016-05-09 10:39 ` Manuel Schölling
2016-05-09 10:39   ` Manuel Schölling
2016-05-16 11:25 ` Manuel Schölling
2016-05-16 11:25   ` Manuel Schölling
2016-05-23 21:07 ` Manuel Schölling
2016-05-23 21:07   ` Manuel Schölling

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