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Groups > alt.folklore.computers > #211584

Re: CR or LF?

From Charlie Gibbs <cgibbs@kltpzyxm.invalid>
Newsgroups alt.folklore.computers
Subject Re: CR or LF?
Date 2020-05-25 15:44 +0000
Organization NewsGuy - Unlimited Usenet $23.95
Message-ID <ragp4c222lo@news3.newsguy.com> (permalink)
References (1 earlier) <rabvvu$dsc$1@gal.iecc.com> <85f8db34-31c4-4e84-ac08-318f3d04364c@googlegroups.com> <rae75t019dh@news2.newsguy.com> <raeedf$7dm$1@gal.iecc.com> <365b2c24-3b9f-4eba-9c67-d31688bdfe5c@googlegroups.com>

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On 2020-05-25, robin.vowels@gmail.com <robin.vowels@gmail.com> wrote:

> On Monday, May 25, 2020 at 4:29:04 AM UTC+10, John Levine wrote:
>
>> In article <r......@news2.newsguy.com>,
>> Charlie Gibbs  <c......@kltpzyxm.invalid> wrote:
>>
>>> On 2020-05-24, Quadibloc <j......@ecn.ab.ca> wrote:
>>>
>>>> And what I'm used to is the Michigan Terminal System.
>>>>
>>>> Text files are normally line files.
>>>>
>>>> The format of a line file is:
>>>>
>>>> An ISAM file with two fields.
>> 
>> Yeah, TSS VISAM files were sort of like that, too.
>> 
>>> It's a matter of parallel evolution.  File systems like your MTS example
>>> ("Bright college days, oh, carefree days that fly..."  -- Tom Lehrer)
>>> were born on mainframe systems that had lots of buffering capability and
>>> processing power.  ASCII text files were born on Teletype networks which
>>> had very little processing capability and even less buffering.  Given the
>>> constraints of the time, I'd say that each system served its purposes well.
>>> ASCII text files are so much simpler that their limitations are often not
>>> a serious factor - e.g., when transmitting text.
>> 
>> Quite right. IBM mainframes have I/O channels that can only do block
>> I/O.
>
> Didn't they also have a multiplexor unit that handled byte
> devices such as teletypes?

Multiplexor channels handled all sorts of low-speed record-oriented
peripherals as well, e.g. card readers, line printers, and slower
tape drives.  However, when handling character-mode terminals, they
imposed as much overhead per byte as they would for an entire block
of data on those other peripherals - at least if you wanted the
flexibility of responding to each byte as the user typed it.

-- 
/~\  Charlie Gibbs                  |  Microsoft is a dictatorship.
\ /  <cgibbs@kltpzyxm.invalid>      |  Apple is a cult.
 X   I'm really at ac.dekanfrus     |  Linux is anarchy.
/ \  if you read it the right way.  |  Pick your poison.

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Thread

CR or LF? Gareth Evans <headstone255@yahoo.com> - 2020-04-12 11:59 +0100
  Re: CR or LF? John Levine <johnl@taugh.com> - 2020-04-12 20:35 +0000
    Re: CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-04-12 16:52 -0400
      Re: CR or LF? John Levine <johnl@taugh.com> - 2020-04-13 22:16 +0000
    Re: CR or LF? Gareth Evans <headstone255@yahoo.com> - 2020-04-12 22:48 +0100
    Re: CR or LF? Mike Spencer <mds@bogus.nodomain.nowhere> - 2020-04-12 19:44 -0300
    Re: CR or LF? Douglas Miller <durgadas311@gmail.com> - 2020-04-12 16:38 -0700
      Re: CR or LF? John Levine <johnl@taugh.com> - 2020-04-13 19:03 +0000
        Re: CR or LF? Douglas Miller <durgadas311@gmail.com> - 2020-04-13 14:12 -0700
          Re: CR or LF? John Levine <johnl@taugh.com> - 2020-04-13 22:30 +0000
            Re: CR or LF? Douglas Miller <durgadas311@gmail.com> - 2020-04-13 16:00 -0700
        Re: CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-04-13 21:22 +0000
          Re: CR or LF? Thomas Koenig <tkoenig@netcologne.de> - 2020-04-14 09:40 +0000
        Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-04-13 17:56 -0700
    Re: CR or LF? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2020-04-13 03:32 +0000
    Re: CR or LF? "Carlos E.R." <robin_listas@es.invalid> - 2020-04-14 05:26 +0200
  Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-04-12 22:11 -0700
    Re: CR or LF? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2020-04-13 17:15 +0000
    Re: CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-04-13 16:40 -0700
      Re: CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-04-13 17:29 -0700
        Re: CR or LF? Douglas Miller <durgadas311@gmail.com> - 2020-04-13 18:18 -0700
          Re: CR or LF? Niklas Karlsson <anksil@yahoo.se> - 2020-04-16 13:40 +0000
            Re: CR or LF? maus <maus@dmaus.org> - 2020-04-17 11:00 +0000
              Re: CR or LF? Niklas Karlsson <anksil@yahoo.se> - 2020-04-18 09:56 +0000
        Re: CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-04-13 21:37 -0400
          Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-04-14 14:51 -0700
        Re: CR or LF? Bob Eager <news0073@eager.cx> - 2020-04-14 07:45 +0000
          Re: CR or LF? Gareth Evans <headstone255@yahoo.com> - 2020-04-14 11:38 +0100
            Re: CR or LF? "Carlos E.R." <robin_listas@es.invalid> - 2020-04-14 15:28 +0200
            Re: CR or LF? nobody@example.org (Scott) - 2020-04-14 15:27 +0000
              Re: CR or LF? Gareth Evans <headstone255@yahoo.com> - 2020-04-14 17:37 +0100
                Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-04-14 15:00 -0700
                Re: CR or LF? fred_weigel@hotmail.com - 2020-05-22 17:09 -0700
                Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-05-23 03:37 -0700
                Re: CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-05-23 08:36 -0400
                Re: CR or LF? robin.vowels@gmail.com - 2020-05-23 05:38 -0700
                Re: CR or LF? Dan Espen <dan1espen@gmail.com> - 2020-05-23 08:58 -0400
                Re: base64, not really CR or LF? John Levine <johnl@taugh.com> - 2020-05-23 18:42 +0000
                Re: CR or LF? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-05-23 19:28 +0000
                Re: CR or LF? Bob Eager <news0073@eager.cx> - 2020-05-23 20:27 +0000
                Re: CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-05-23 14:30 -0700
                Re: CR or LF? "Kerr-Mudd,John" <notsaying@invalid.org> - 2020-05-24 10:21 +0000
                Re: CR or LF? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-05-24 06:06 +0000
                Re: CR or LF? Bob Eager <news0073@eager.cx> - 2020-05-24 10:45 +0000
                Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-05-24 07:03 -0700
                Re: CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-05-24 10:43 -0400
                Re: CR or LF? Jan van den Broek <fortytwo@xs4all.nl> - 2020-06-05 22:22 +0100
            Re: CR or LF? Mike Spencer <mds@bogus.nodomain.nowhere> - 2020-04-14 17:49 -0300
          Re: CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-04-14 06:29 -0700
            Re: CR or LF? Ahem A Rivet's Shot <steveo@eircom.net> - 2020-04-18 08:42 +0100
              Re: CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-04-18 11:33 -0700
                Re: CR or LF? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2020-04-18 19:11 +0000
                Re: CR or LF? Dan Espen <dan1espen@gmail.com> - 2020-04-18 18:32 -0400
                Re: CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-04-19 01:55 +0000
                Re: CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-04-18 20:03 +0000
                Re: CR or LF? Ahem A Rivet's Shot <steveo@eircom.net> - 2020-04-18 22:44 +0100
                Re: CR or LF? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-04-19 08:46 +0000
                Re: CR or LF? Ahem A Rivet's Shot <steveo@eircom.net> - 2020-04-19 10:58 +0100
                Re: CR or LF? John Levine <johnl@taugh.com> - 2020-04-18 22:22 +0000
                Re: CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-04-18 18:55 -0400
                re: CRLF Peter Flass <peter_flass@yahoo.com> - 2020-04-18 18:03 -0700
                Re: CR or LF? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-04-19 08:55 +0000
                Re: CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-04-19 08:16 -0400
                Re: CR or LF? Dan Espen <dan1espen@gmail.com> - 2020-04-19 09:19 -0400
                Re: CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-04-19 10:24 -0400
                Re: CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-04-19 10:47 -0700
                Re: CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-04-20 16:02 +0000
                Re: CR or LF? Jan van den Broek <fortytwo@xs4all.nl> - 2020-05-05 16:32 +0100
                Re: CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-04-19 14:54 +0000
                Re: CR or LF? Dan Espen <dan1espen@gmail.com> - 2020-04-19 12:19 -0400
                Re: CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-04-19 10:47 -0700
                Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-04-19 09:26 -0700
                Re: CR or LF? Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2020-04-20 17:40 +0800
                Re: CR or LF? Fred Smith <fred@thejanitor.corp> - 2020-04-20 23:05 +0000
                Re: CR or LF? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-04-21 06:07 +0000
                Re: CR or LF? Rich Alderson <news@alderson.users.panix.com> - 2020-04-22 15:08 -0400
                Re: CR or LF? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-04-22 20:22 +0000
                Re: CR or LF? Dan Espen <dan1espen@gmail.com> - 2020-04-22 19:40 -0400
                Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-04-22 23:23 -0700
                Re: CR or LF? robin.vowels@gmail.com - 2020-04-23 03:01 -0700
                Re: CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-04-19 10:47 -0700
    Re: CR or LF? Ahem A Rivet's Shot <steveo@eircom.net> - 2020-04-13 19:54 +0100
    Re: CR or LF? hancock4@bbs.cpcn.com - 2020-08-22 11:18 -0700
  Re: CR or LF? "Carlos E.R." <robin_listas@es.invalid> - 2020-04-14 05:24 +0200
    Re: CR or LF? Ahem A Rivet's Shot <steveo@eircom.net> - 2020-04-18 08:44 +0100
      Re: CR or LF? "Carlos E.R." <robin_listas@es.invalid> - 2020-04-18 12:08 +0200
        Re: CR or LF? Ahem A Rivet's Shot <steveo@eircom.net> - 2020-04-18 12:02 +0100
          Re: CR or LF? "Carlos E.R." <robin_listas@es.invalid> - 2020-04-18 21:50 +0200
  Re: CR or LF? usenet@only.tnx (Questor) - 2020-04-18 03:40 +0000
    Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-05-23 03:40 -0700
      Re: CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-05-23 08:38 -0400
        Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-05-23 08:02 -0700
          Re: CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-05-23 11:07 -0400
            Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-05-23 11:27 -0700
            Re: CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-05-23 12:27 -0700
              Re: CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-05-23 18:21 -0400
          Re: CR or LF? John Levine <johnl@taugh.com> - 2020-05-23 20:10 +0000
            Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-05-24 08:32 -0700
              Re: CR or LF? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2020-05-24 16:25 +0000
                Re: CR or LF? John Levine <johnl@taugh.com> - 2020-05-24 18:29 +0000
                Re: CR or LF? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2020-05-25 02:00 +0000
                Re: CR or LF? John Levine <johnl@taugh.com> - 2020-05-25 16:28 +0000
                Re: CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-05-26 14:06 +0000
                Re: CR or LF? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2020-05-26 15:14 +0000
                Re: CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-05-25 10:55 -0700
                Re: CR or LF? Dan Espen <dan1espen@gmail.com> - 2020-05-25 15:04 -0400
                Re: CR or LF? robin.vowels@gmail.com - 2020-05-24 21:32 -0700
                Re: CR or LF? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2020-05-25 15:44 +0000
                Re: mainframe I/O, was CR or LF? John Levine <johnl@taugh.com> - 2020-05-25 16:32 +0000
                Re: mainframe I/O, was CR or LF? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2020-05-26 00:39 +0000
                Re: mainframe I/O, was CR or LF? antispam@math.uni.wroc.pl - 2020-05-31 00:21 +0000
                Re: mainframe I/O, was CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-05-30 21:59 -0400
                Re: mainframe I/O, was CR or LF? David Wade <g4ugm@dave.invalid> - 2020-05-31 09:30 +0100
                Re: mainframe I/O, was CR or LF? antispam@math.uni.wroc.pl - 2020-05-31 15:48 +0000
                Re: mainframe I/O, was CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-05-31 13:49 -0700
                Re: mainframe I/O, was CR or LF? Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2020-06-01 16:28 +0000
                Re: mainframe I/O, was CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-06-01 18:48 +0000
                Re: mainframe I/O, was CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-06-01 16:27 +0000
                Re: mainframe I/O, was CR or LF? usenet@only.tnx (Questor) - 2020-06-02 19:12 +0000
                Re: mainframe I/O, was CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-06-02 20:28 +0000
                Re: mainframe I/O, was CR or LF? David Wade <g4ugm@dave.invalid> - 2020-06-03 09:13 +0100
                Re: mainframe I/O, was CR or LF? Fred Smith <fred@thejanitor.corp> - 2020-06-03 08:33 +0000
                Re: mainframe I/O, was CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-06-03 16:20 +0000
                Re: mainframe I/O, was CR or LF? usenet@only.tnx (Questor) - 2020-06-03 18:25 +0000
                Re: mainframe I/O, was CR or LF? Rich Alderson <news@alderson.users.panix.com> - 2020-06-03 17:20 -0400
                Re: mainframe I/O, was CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-06-04 15:20 +0000
                Re: mainframe I/O, was CR or LF? John Levine <johnl@taugh.com> - 2020-06-04 19:51 +0000
                Re: mainframe I/O, was CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-06-04 16:26 -0700
                Re: mainframe I/O, was CR or LF? usenet@only.tnx (Questor) - 2020-06-05 18:46 +0000
                Re: mainframe I/O, was CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-06-05 12:26 -0700
                Re: mainframe I/O, was CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-06-05 13:28 -0700
                Re: mainframe I/O, was CR or LF? David Lesher <wb8foz@panix.com> - 2020-06-08 01:03 +0000
                Re: PDP-11s, was mainframe I/O, was CR or LF? John Levine <johnl@taugh.com> - 2020-06-06 00:08 +0000
                Re: mainframe I/O, was CR or LF? usenet@only.tnx (Questor) - 2020-06-04 17:41 +0000
                Re: mainframe I/O, was CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-06-04 16:26 -0700
                Re: mainframe I/O, was CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-06-04 17:04 -0700
                Re: mainframe I/O, was CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-06-04 15:18 +0000
                Re: memory sizes, mainframe I/O, was CR or LF? John Levine <johnl@taugh.com> - 2020-06-04 20:53 +0000
                Re: memory sizes, mainframe I/O, was CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-06-04 22:22 +0000
                Re: memory sizes, mainframe I/O, was CR or LF? Dan Espen <dan1espen@gmail.com> - 2020-06-04 19:27 -0400
                Re: memory sizes, mainframe I/O, was CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-06-05 16:10 +0000
                Re: memory sizes, mainframe I/O, was CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-06-05 10:03 -0700
                Re: memory sizes, mainframe I/O, was CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-06-05 20:29 +0000
                Re: memory sizes, mainframe I/O, was CR or LF? usenet@only.tnx (Questor) - 2020-06-05 18:47 +0000
                Re: mainframe I/O, was CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-06-04 16:26 -0700
                Re: mainframe I/O, was CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-06-01 16:32 +0000
                Re: CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-05-25 10:55 -0700
                Re: CR or LF? Anne & Lynn Wheeler <lynn@garlic.com> - 2020-05-25 15:04 -1000
                Re: CR or LF? Peter Flass <peter_flass@yahoo.com> - 2020-05-26 12:56 -0700
                Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-05-26 14:15 -0700
                Re: CR or LF? robin.vowels@gmail.com - 2020-05-25 21:41 -0700
                Re: CR or LF? Thomas Koenig <tkoenig@netcologne.de> - 2020-05-28 11:50 +0000
                Re: CR or LF? Bob Eager <news0073@eager.cx> - 2020-05-28 11:56 +0000
                Re: CR or LF? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-05-30 14:49 +0000
                Re: CR or LF? John Levine <johnl@taugh.com> - 2020-05-30 17:39 +0000
                Re: CR or LF? scott@slp53.sl.home (Scott Lurndal) - 2020-05-30 19:07 +0000
                Re: CR or LF? John Levine <johnl@taugh.com> - 2020-05-30 19:32 +0000
                Re: CR or LF? Quadibloc <jsavard@ecn.ab.ca> - 2020-05-30 13:10 -0700
                Re: CR or LF? John Levine <johnl@taugh.com> - 2020-05-30 20:43 +0000
                Re: CR or LF? Dan Espen <dan1espen@gmail.com> - 2020-05-30 15:50 -0400
                Re: CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-05-30 16:30 -0400
                Re: CR or LF? Dan Espen <dan1espen@gmail.com> - 2020-05-30 19:42 -0400
                Re: CR or LF? J. Clarke <jclarke.873638@gmail.com> - 2020-05-30 22:17 -0400
                Re: CR or LF? Ahem A Rivet's Shot <steveo@eircom.net> - 2020-05-31 09:45 +0100
            Re: CR or LF? usenet@only.tnx (Questor) - 2020-05-25 18:37 +0000
              Re: CR or LF? Bob Eager <news0073@eager.cx> - 2020-05-25 19:52 +0000
      Re: CR or LF? usenet@only.tnx (Questor) - 2020-05-25 07:37 +0000
  Re: CR or LF? hancock4@bbs.cpcn.com - 2020-08-22 11:15 -0700
    Re: CR or LF? Robin Vowels <robin.vowels@gmail.com> - 2020-08-22 18:55 -0700

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