Re: Serial port connection (null modem) not working

[David Brodbeck <brodbd@u.washington.edu>]

On Aug 24, 2007, at 10:30 AM, Ken Irving wrote:

> On Fri, Aug 24, 2007 at 08:48:42AM -0800, Ken Irving wrote:
> > On Fri, Aug 24, 2007 at 09:14:21AM -0700, David Brodbeck wrote:
> > > As an alternative to minicom, 'screen' also makes a useful serial  
> > > terminal
> > > program.  At least on OS X, I often do something like this to  
> > > talk to
> > > routers and the like:
> > > screen /dev/tty.usbserial 9600
> > >
> > > "Ctrl-A Shift-K" will exit.  "Ctrl-A i" will give you a nice  
> > > little display
> > > of what the serial control lines are doing.
> > >
> > > I haven't tried it under Linux, but it should work the same.  Of  
> > > course
> > > you'd substitute /dev/ttyS0 or whatever device you're using for
> > > /dev/tty.usbserial.
> >
> > I tried it on a sid box, but just end up with screen showing a  
> > shell on
> > the local host, i.e., the same as without those arguments.
>
> I googled for the Mac OS X screen manpage thinking it must be  
> different,
> but it's identical to the one on my linux box.  Any other hints on how
> that works or where/how it's documented?

I learned about it here:
http://www.tigoe.net/pcomp/resources/archives/avr/000749.shtml

You're right that it doesn't seem to be documented in the manpage.   
How odd.  Maybe it's a compile-time option or something.