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Date:      Thu, 17 Jun 2004 14:05:43 +0200
From:      Simon Barner <barner@in.tum.de>
To:        Edd <list@arameus.net>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: probably a silly question. probably requires a silly answer.
Message-ID:  <20040617120543.GB815@zi025.glhnet.mhn.de>
In-Reply-To: <200406171104.i5HB4bh03437@server1.web-mania.com>
References:  <200406171104.i5HB4bh03437@server1.web-mania.com>

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Edd wrote:
>=20
> Is it a bad idea to use a 5.x kernel on a 4.x system?

It won't work at all, because FreeBSD 5.x and 4.x have substantial
differences.

It isn't even recommented to upgrade the kernel only on a FreeBSD
system, because kernel and userland have to be in sync. This is because
programms like `ps', and `ls', etc. share data type definitions with the
kernel, that might change.

Simon

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