From: arnold@skeeve.com
To: gtaylor@tnetconsulting.net, clemc@ccc.com
Cc: tuhs@minnie.tuhs.org, coff@minnie.tuhs.org
Subject: Re: [TUHS] [COFF] Will someone please explain the history and usage of gpasswd / newgrp / sg?
Date: Mon, 15 Nov 2021 13:17:09 -0700 [thread overview]
Message-ID: <202111152017.1AFKH9Om032644@freefriends.org> (raw)
In-Reply-To: <CAC20D2N5XpHDXVu9kEdEC8i2ex0SOrBpma6gPYzAxJRUMrwFAg@mail.gmail.com>
Clem Cole <clemc@ccc.com> wrote:
> I'm sure it was used in many other ways, but that was certainly one scheme
> we used at UCB when wnj added them. Again check the 4.2 docs, where the
> BSD group scheme is explained. This did seem useful and System V picked
> it up also fairly soon after BSD released it to the world, and fortunately
> did not change the BSD semantics.
Not so soon, really. The new group scheme was widely released with
4.2 BSD (~ 1983). System V didn't pick up multiple groups until
System V Release 4, circa 1989.
Arnold
next prev parent reply other threads:[~2021-11-15 21:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-15 16:11 [TUHS] " Grant Taylor via TUHS
2021-11-15 16:26 ` [TUHS] [COFF] " Arrigo Triulzi via TUHS
2021-11-15 17:51 ` [TUHS] " Jon Steinhart
2021-11-15 18:29 ` [TUHS] [COFF] " Clem Cole
2021-11-15 18:46 ` Henry Bent
2021-11-15 18:51 ` Clem Cole
2021-11-15 18:54 ` Warner Losh
2021-11-15 18:56 ` Clem Cole
2021-11-15 19:09 ` Henry Bent
2021-11-15 20:17 ` arnold [this message]
2021-11-15 21:37 ` Clem Cole
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