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Date:   Wed, 12 Aug 2020 10:37:54 -0400
From:   Thor Lancelot Simon <tls@NetBSD.ORG>
To:     mtk.manpages@gmail.com
Cc:     Larry Dwyer <larryd.kbd@gmail.com>,
        Florian Weimer <fweimer@redhat.com>,
        linux-man <linux-man@vger.kernel.org>,
        Geoff Clare <gwc@opengroup.org>, austin-group-l@opengroup.org,
        Andrew Josey <ajosey@opengroup.org>,
        libc-alpha <libc-alpha@sourceware.org>,
        Elliot Hughes <enh@google.com>,
        Joseph Myers <joseph@codesourcery.com>
Subject: Re: Pseudoterminal terminology in POSIX
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On Tue, Aug 11, 2020 at 10:31:58AM +0200, Michael Kerrisk man-pages via austin-group-l at The Open Group wrote:
> On 8/10/20 3:58 PM, Thor Lancelot Simon wrote:
> > On Sat, Aug 08, 2020 at 04:18:10PM -0700, Larry Dwyer via austin-group-l at The Open Group wrote:
> >> How about the "control" side and the "terminal" side (of the paired device
> >> files)?
> > 
> > How about the "pty side" and the "tty side"?  It seems hard to be more
> > neutral than that and we can be sure there is no ambiguity.
> 
> This is an option that came up in the glibc/Linux man-pages discussion.
> My objection is that I want proper nouns that one can use in a prose
> description of pseudoterminals.

Perhaps "lead" and "follower"?  This terminology comes from multiple unit
control systems on railroad locomotives (where it's been used interchangably
with the problematic "master" / "slave" for a long time) and I think it's
fairly descriptive of the situation with the pty control and terminal
units, too.