Re: [groff] 04/05: {g, n}roff.1.man: Give assistance to pager users.

[John Gardner]

>
>
> *Some terminals, the Tek 401x series especially, could*
> *be configured to tell the host to stop sending text on*
> *a "page full" condition.  Some sent the proper RS-232**hardware signals,
> some sent <ctrl-s>/<ctrl-x>.*


Really? That's interesting. What did <ctrl-s> do? On the terminal emulators
I have on hand at the moment, none of them are responding or behaving
differently.

I always assumed terminals had some form of paging ability, no matter how
rudimentary, but I see how wrong I was....

On Wed, 3 Jul 2019 at 04:54, Dale Snell <address@hidden> wrote:

> On Tue, Jul 2, 2019 at 7:51 AM John Gardner <address@hidden>
> wrote:
>
> > BTW, stupid question: how did people in the 70s read
> > lengthy files without a pager...? When I ran Unix 7 on
> > SIMH, it lacked both less(1) *and* more(1).
>
> If more (or the equivalent) wasn't available, being
> adroit with the <ctrl-s> and <ctrl-x> keys was the
> usual way.  Loading the file into ex or the like could
> also work, though I don't recall doing that myself.
> Some terminals, the Tek 401x series especially, could
> be configured to tell the host to stop sending text on
> a "page full" condition.  Some sent the proper RS-232
> hardware signals, some sent <ctrl-s>/<ctrl-x>.  The
> Tek terminals I worked with actually sent a bit clock
> to the host, which allowed the terminal to accept text
> as fast as it could.  On "page full", it stopped
> sending the bit clock, which stopped the text in its
> tracks.  I suppose this saved trying to coerce the DEC
> terminal card into DTRT with hardware signals.  (It's
> been a long time, and my memory isn't what it was.)
>
> --
> --Dale
>
> I have a simple question,
> The truth I only wish:
> Are all fishermen liars,
> Or do only liars fish?
>