Date: Tue, 15 Nov 2005 23:21:30 -0500 From: David Scheidt <dscheidt@panix.com> To: David Wolfskill <david@bunrab.catwhisker.org>, stable@freebsd.org Subject: Re: Swapfile problem in 6? Message-ID: <20051116042130.GA20412@panix.com> In-Reply-To: <20051116031835.GS69015@bunrab.catwhisker.org> References: <20051115103821.GJ39882@cirb503493.alcatel.com.au> <20051116020933.72951.qmail@web36209.mail.mud.yahoo.com> <20051116031835.GS69015@bunrab.catwhisker.org>
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On Tue, Nov 15, 2005 at 07:18:35PM -0800, David Wolfskill wrote: > On Tue, Nov 15, 2005 at 06:09:33PM -0800, Rob wrote: > > ... > > > > > What is this "serial BREAK"? > > How do I "send a serial BREAK" at the serial > > console? Is this some magic key combination? > > I'm probably saying something about my age by doing this.... :-} > > A "BREAK" (in serial communications) is an absence of start or stop > bits for more than a character's worth of bits, is handled as a > "framing error," and is distinct from any character. > > Now, to generate one, you would normally hit the BREAK key of your > terminal (Control-BREAK on some; I think Hazeltine had this feature of > dubious merit). > > If you are using a serial communications program (such as "tip") instead > of an ASCII terminal, it depends on the program you're using. > > In the case of tip, the sequence "~#" at the beginning of a line will > generate tip's best approximation of a framing error. > > In the case of kermit, Control-\B does it. If you're using a terminal program on something like Windows or a Macintosh, there's usually a menu option to send a BREAK.
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