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From: andrew@stc.UUCP (Andrew Macpherson)
Newsgroups: net.unix-wizards
Subject: Re: Pagination in TTY driver
Message-ID: <457@stc-a.stc.UUCP>
Date: Wed, 4-Sep-85 15:07:51 EDT
Article-I.D.: stc-a.457
Posted: Wed Sep  4 15:07:51 1985
Date-Received: Fri, 6-Sep-85 03:40:48 EDT
References: <2067@ucf-cs.UUCP> <363@cuae2.UUCP> <2423@sun.uucp> <1392@cbosgd.UUCP> <5877@utzoo.UUCP> <280@frog.UUCP>
Reply-To: andrew@stc.UUCP (Andrew Macpherson)
Organization: STC Telecomms. London.
Lines: 32
Summary: Quite nice if...
Xpath: stc stc-a

>> From *both* viewpoints, it is simpler to have pagination available in the
>> tty driver.  ...... Try it, you'll like it.
>> -- 
>> 				Henry Spencer @ U of Toronto Zoology
>
>What are the drawbacks?  Do "portable" UNIX programs have to be modified
>to disable pagination for editing, communications, etc?
>--
>				Bob Mabee @ Charles River Data Systems

We have such a tty driver on an 11/34 running Xenix 2.?.  In 'normal' use
with keyboard input, one does not see the paginator, only when a program 
is producing reams of output.  It was a pain in the neck to find a process
blocking on tty output when one didn't want the paginator, and supreme 
relief when one realised that one had forgotten >more|less<.

The problem is, that version of Xenix does not have Berkley job control.
The times I've wanted to..
^Z
Stopped.
% stty length={0|24}
% fg
to turn off or on the pager for a command started with the terminal in the
wrong mode.

Conclusion, on balance quite nice, ( yes, I damn it with faint praise ).  I
might consider it excellent if I had had job control with it, and the above
sequence worked.
-- 
Regards,
	Andrew Macpherson.	<andrew@stc.UUCP>
	{creed, datlog, idec, iclbra, iclkid, root44, stl, ukc}!stc!andrew