[systemd-devel] Antw: [EXT] Re: vt220 default for serial console still relevant?

[Dave Howorth]

On Tue, 21 Jul 2020 11:44:08 +0200
"Ulrich Windl" <Ulrich.Windl at rz.uni-regensburg.de> wrote:
> >>> Lennart Poettering <lennart at poettering.net> schrieb am 21.07.2020
> >>> um 09:09  
> in
> Nachricht <20200721070910.GB187495 at gardel-login>:
> > On Mo, 20.07.20 10:13, Bruce A. Johnson
> > (bjohnson at blueridgenetworks.com) wrote:
> >   
> >> Reading this discussion about VT220, I'm wondering why that was the
> >> choice and not VT100 (which was also monochrome). And I'm
> >> straining my memory to recall what it was that we had back then
> >> that made the VT100 seem so slick and futuristic.  
> > 
> > Our default used to be vt100 originally, but that can't do
> > pgup/pgdown, which people found quite annyoing. vt220 adds support
> > for that, and is apparently as widely supported, so we changed to
> > that.  
> 
> If you view images of a vt100, it's simply because vt100 had no
> PgUp/PgDown key ;-)
> So I cannot send the sequence.

It appears they may have been introduced in 1986:
http://xahlee.info/kbd/keyboard_page_key.html

and they may be disappearing again now !!! ;)

> (when I was a student we weren't allowed to use vi, because CBREAK
> mode would create an IRQ for every key pressed, and that was
> considered to be too much load for the system... Only after 6pm, so
> we came late just to be able to try vi...)
> 
> > 
> > Lennart