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From: dce@mips.UUCP
Newsgroups: comp.unix.questions
Subject: Re: stty 0
Message-ID: <222@quacky.mips.UUCP>
Date: Mon, 23-Mar-87 10:47:56 EST
Article-I.D.: quacky.222
Posted: Mon Mar 23 10:47:56 1987
Date-Received: Thu, 26-Mar-87 06:21:53 EST
References: <869@bc-cis.UUCP> <5914@mimsy.UUCP>
Organization: MIPS Computer Systems, Sunnyvale, CA
Lines: 18

In article <5914@mimsy.UUCP> chris@mimsy.UUCP (Chris Torek) writes:
>In article <869@bc-cis.UUCP> raanan@bc-cis.UUCP (Raanan Herrmann) writes:
>>My question: What does the `stty 0` command do? Does it do anything?
>Most device drivers interpret it as `turn off DTR'.  If your modems
>are working and properly connected, and your multiplexor supports DTR,
>this will hang up the line.

The original question is unclear. In 4.3BSD, the command "stty 0" causes
the baud rate to be set to 0. I assume that Chris is correct in saying
what the device driver does with this (if I don't, Chris will shoot me).

So, if Raanan needs to add a "hang up the line" function to a shell,
front-end, or other application, he can add code to set the baud rate
to 0 (this is for BSD systems; I'm not sure about System V derivatives).
-- 
			David Elliott

UUCP: 	{decvax,ucbvax,ihnp4}!decwrl!mips!dce, DDD:  	408-720-1700