Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261513AbVE3EBN (ORCPT ); Mon, 30 May 2005 00:01:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261512AbVE3EBN (ORCPT ); Mon, 30 May 2005 00:01:13 -0400 Received: from mail.avantwave.com ([210.17.210.210]:10370 "EHLO mail.avantwave.com") by vger.kernel.org with ESMTP id S261513AbVE3EBF (ORCPT ); Mon, 30 May 2005 00:01:05 -0400 Message-ID: <429A8FFD.40606@avantwave.com> Date: Mon, 30 May 2005 12:01:01 +0800 From: Tomko User-Agent: Mozilla Thunderbird 0.9 (X11/20041127) X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: Re: question about /dev/console and /dev/tty References: <4296C5C0.4030409@avantwave.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1820 Lines: 68 Hi, Thank you very much for the reply, but i would like to ask some more. 1. it seems we can choose which device we want for console output by typing this on kernel command line: console = device , options if i type "console = ttyS1 " is that means kernel will internally link /dev/console to /dev/ttyS1 , and when i do any operation to /dev/console , it is the same as i do to /dev/ttyS1 ? 2 . what means foreground virtual console as tty0 is representing ? Regards, TOM Miquel van Smoorenburg wrote: >In article <4296C5C0.4030409@avantwave.com>, >Tomko wrote: > > >>Hi everyone, >> >>Which device is /dev/console pointing to ? or is it a virtual device ? >>Actually why this node is made? >> >> > >See linux/Documentation/serial-console.txt > > > >>Why kernel default not providing a control terminal on /dev/console but >>on other device ? >> >> > >Because some daemons open /dev/console to send last resort error >messages to, and you do not want them to unexpectedly gain a >controlling tty. > > > >>It is not surprising that we can use CTRL-C to terminate some process on >>i386 linux on the Desktop machine, is that mean the shell on our >>desktop is not using /dev/console ? so where are the shell running on? >> >> > >/dev/tty1, /dev/tty2 etc > >Mike. > >- >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >the body of a message to majordomo@vger.kernel.org >More majordomo info at http://vger.kernel.org/majordomo-info.html >Please read the FAQ at http://www.tux.org/lkml/ > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/