Re: Why Ctrl-v for Paste?!

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#619995

From: John Levine
Date: Fri, 02 Feb 2018 02:06

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In article <55dcc214-7c87-437a...@googlegroups.com>,
 <hanc...@bbs.cpcn.com> wrote:
>On Thursday, February 1, 2018 at 9:38:13 AM UTC-5, Scott Lurndal wrote:
>
>> CTRL-S was used back in the day on ASR-33's with unix to stop output.   Control Q
>> continues output.    Those functions live on today.
>
>In timesharing days, the BREAK key on the Teletype was used to
>stop output.  Some systems may have supported certain control
>keys, but it varied by system.

That depended on the hardware.  On full-duplex systems, Ctrl-S worked
fine.  On half-duplex, where the computer wasn't listening while it
was typing, break was the only thing the tty interface would notice.

Also note that Ctrl-S means pause, not stop.  When you type Ctrl-Q it picks
up where it left off.

-- 
Regards,
John Levine, jo...@iecc.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly

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From: John Levine <jo...@taugh.com>
Newsgroups: alt.folklore.computers
Subject: Re: Why Ctrl-v for Paste?!
Date: Fri, 2 Feb 2018 02:06:33 -0000 (UTC)
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