Terminal paging in the kernel

[Charles LaBrec]

There is a way to tell the tty driver paging info w/o hardcoding it--simply
add or create a structure that tells it some terminal characteristics like
line and page length.  Another useful piece of info would be how to do a
deleting backspace--I know of one type that uses '^H' as home cursor!
This has shades of TOPS-20 in it--whenever it did a backwards delete on 
a terminal it knew, it actually did a move backwards and a delete to
end of page.  Not only did this make an erasing kill line or word less
painful at slow speeds, but is also cleared the remainder of the page if
some screen oriented program screwed up.

Charles LaBrec
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