linux-kernel - Re: how to tell i386 from x86-64 kernel

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Message-ID: <Pine.LNX.4.64.0802010157370.4864@fbirervta.pbzchgretzou.qr>
Date:	Fri, 1 Feb 2008 01:59:03 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Ray Lee <ray-lk@...rabbit.org>
cc:	Pavel Machek <pavel@....cz>,
	kernel list <linux-kernel@...r.kernel.org>, jikos@...e.cz
Subject: Re: how to tell i386 from x86-64 kernel


On Jan 31 2008 16:46, Ray Lee wrote:
>On Jan 31, 2008 4:42 PM, Pavel Machek <pavel@....cz> wrote:
>> Quiz: on a booted system, how do you tell 32bit from 64bit kernel?
>
>Uhm, is this a trick question? What's wrong with uname(2)?

# uname -m
I won't tell you.
# linux32 uname -m
i686

Now what? :-)

Well, the answer is simple, a 64-bit kernel will allow you
(minus selinux voodoo) to load 64-bit binaries.
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