From owner-freebsd-hackers@FreeBSD.ORG  Mon Oct  3 19:09:46 2005
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Date: Mon, 03 Oct 2005 13:09:12 -0600 (MDT)
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To: xdivac02@stud.fit.vutbr.cz
From: "M. Warner Losh" <imp@bsdimp.com>
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	Mon, 03 Oct 2005 13:08:25 -0600 (MDT)
Cc: hackers@FreeBSD.ORG
Subject: Re: serial port question
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In message: <20051002095140.GA49735@stud.fit.vutbr.cz>
            Divacky Roman <xdivac02@stud.fit.vutbr.cz> writes:
: Hi,
: 
: I need to set serial port to given parity/speed/etc. and then cat from it...
: 
: when I: stty -f /dev/cuaa0 speed 1200
: its still at 9600 (the default setting)
: 
: how do I alter speed of serial port? minicom/cu is able to do it but I want to
: do it via stty.
: 
: how can this be done?

By using the lock device.

Warner