[ale] shell question

[J. D.]

On Thu, Dec 11, 2008 at 7:19 PM, Björn Gustafsson <bg-ale at bjorng.net> wrote:

> The 'stty' command controls the terminal's start/stop characters as
> well as other things like interrupt (^C) and suspend (^Z).  You can
> both view the current settings and change them using stty.
>
> # Show the current terminal settings
>
> stty -a
>
> # Change the stop character from ^S to ^R
>
> stty stop '^r'
>
> # Undefine the stop character. note the two single-quotes:
>
> stty stop ''


This is some neat stuff Björn. I was going to just to be more mindful but
this might have to go in the environment file anyway. :)


>
>
> 2008/12/11 J. D. <jdonline at gmail.com>:
> >
> >
> > 2008/12/11 Michael B. Trausch <mike at trausch.us>
> >>
> >> On Thu, 11 Dec 2008 18:07:36 -0500
> >> "J. D." <jdonline at gmail.com> wrote:
> >>
> >> > There are some curious key combinations in bash I was wondering about.
> >> > Pressing ctrl-s seems to freeze the terminal but silently it appears
> >> > to still be accepting input. Pressing ctrl-q breaks this behavior and
> >> > everything returns to normal. Does anyone use this? I'm sure it has
> >> > caused people trouble thinking their terminal is locked. I have only
> >> > used ctrl-q from to regain my terminal after accidentally hitting
> >> > ctrl-s. :)
> >> >
> >> > Also having scrolllock enabled on from switching computers on a kvm
> >> > creates the illusion of a lockup since the terminal is in a scrolling
> >> > mode.
> >>
> >> This is a historical feature of terminals, known as soft flow control.
> >> One would often use it on a very slow serial terminal connection to
> >> perform manual pagination of sorts.
> >
> > I see. That makes sense. I guess we use pagers for that now.
> >
> >>
> >> Some software that runs in the terminal (such as Emacs) overrides that
> >> behavior, since Emacs uses both C-s and C-q key combinations.  I am
> >> relatively certain that means that there is a way to disable it
> >> generally, but it's never been a problem for me so I don't know what
> >> the process for that would be.
> >>
> >>
> >
> > Thanks for the suggestion. I use ctrl-d quite a bit and occasionally it
> > becomes
> > ctrl-s due to typo. Great presentation on DR by the way. I just read over
> > it. Thanks
> > for the link.
> >
> >>
> >>      --- Mike
> >>
> >> --
> >> My sigfile ran away and is on hiatus.
> >> http://www.trausch.us/
> >>
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> >>
> >
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>
>
>
> --
> Björn Gustafsson
>
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