[TUHS] Fwd: Origins and life of the pg pager
cym224 at gmail.com
Mon Jun 15 10:32:33 AEST 2020
For what it's worth, the OpenSolaris pg.c
contains the following:
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
On 06/14/20 19:37, Mary Ann Horton wrote:
> Eric Shienbrood at Berkeley wrote "more" around 1979, and it was the
> standard BSD pager. It was inspired by the --More-- option in the ITS
> terminal driver at MIT.
> "pg" did not come from Berkeley. My recollection is that it came from
> AT&T in response to requests to include "more", which was in exptools
> at Bell Labs but not in any standard AT&T system. "pg" is not in my
> UNIX 5.0 manual, but it's in my SVID with the comment "New in System V
> Release 2".
> UNIX 5.0 was the AT&T internal pre-release of System V. SVID was the
> System V Interface Definition from AT&T.
> Mary Ann
> On 6/14/20 3:52 PM, Warren Toomey wrote:
>> All, I just received this e-mail from a non-TUHS list member. If you
>> an answer for Michael, could you reply to him and pop a cc here as well?
>> Thanks, Warren
>> ----- Forwarded message from Michael Siegel <msi at malbolge.net> -----
>> Date: Sun, 14 Jun 2020 16:37:59 +0200
>> From: Michael Siegel <msi at malbolge.net>
>> To: wkt at tuhs.org
>> Subject: Origins and life of the pg pager
>> Hi there,
>> I'm trying to find out where the pg pager originated.
>> The research I've done so far vaguely suggests it came with one of the
>> System V versions, though Internet claims it to be “the name of the
>> historical utility on BSD UNIX systems” occasionally.
>> I think System V because the source code of pg.c in the util-linux
>> package says that this utility is “a clone of the System V CRT paging
>> I'd also like to find out when pg was discarded and if it ever made it
>> into POSIX before that. Linux still has pg to the very day, but none of
>> the current major BSDs (Free/Net/Open) offer it. POSIX 2001, 2004
>> Edition lists it as an excluded utility. I've not been able to get
>> the text of any prior POSIX documents. It seems they aren't freely
>> Any ideas on how to proceed?
>>  This one's from Wikipedia (https://en.wikipedia.org/wiki/Pg_(Unix)),
>> but I've also found other sites stating the same.
>>  https://pubs.opengroup.org/onlinepubs/009696899/xrat/xcu_chap04.html
>> ----- End forwarded message -----
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