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Re: screen on linux vs freebsd

From: Michael Grant
Subject: Re: screen on linux vs freebsd
Date: Sun, 4 Jan 2009 13:15:04 +0100

On Sun, Jan 4, 2009 at 12:16 PM, Michael Grant <address@hidden> wrote:
> I have both a linux box and a freebsd box.  I have just started using
> screen on the linux box.  There seems to be some very definite
> differences in behavior between the two.
> On the linux box, using putty, screen doesn't seem to let me use
> putty's scroll buffer.   In other words, as lines scroll off the top
> of the visible area of the tty, they are gone.  Unlike freebsd where
> when lines scroll off the screen, they are in Putty's scroll buffer
> and I can use the scroll bar to scroll up and see them as if the tty
> were really a long paper scroll.
> I'm not talking about screen's buffer, I'm referring to the scroll
> buffer that's part of my terminal program, putty.
> Incidentally, and I don't know if this is related, on linux, when I
> more or vi a file, when I quit (or even when I stop the process),
> linux redraws the screen that was there before I started more or vi.
> I would call this a sort of "save under", as in something saved the
> state of the screen that was under the edit session and restored it
> after.  I never saw this behavior on freebsd.
> I would like to be able to scroll back up to things in putty's scroll
> back buffer on linux. How does one control this on linux?
> As an idea, it would be really cool and useful if somehow putty's
> scroll back buffer was somehow linked to screen's buffer so the putty
> scroll bar would let me scroll up.  On freebsd I can mimic that by
> repainting the scroll buffer each time I switch screens, but you see
> it, and you loose any color.  I don't know any way to tie the scroll
> bar to anything because as far as I know, there's no escape codes
> associated with the scroll bar which is a shame.
> But aside from this idea, is there any way I can get a similar
> behavior on linux as freebsd?
> Michael Grant

I just figured out how to do this.  In Putty, Terminal->Features, the
box next to "Disable switching to alternate terminal screen" must be

Michael Grant

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