Computer Old Farts Forum
 help / color / mirror / Atom feed
Subject: Re: [COFF] [TUHS] 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: <> (raw)
In-Reply-To: <>

Clem Cole <> 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.

COFF mailing list

  parent reply	other threads:[~2021-11-15 22:24 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-15 16:11 [COFF] " Grant Taylor via COFF
2021-11-15 16:26 ` Arrigo Triulzi via COFF
2021-11-15 18:29 ` Clem Cole
     [not found]   ` <>
2021-11-15 18:51     ` [COFF] [TUHS] " Clem Cole
2021-11-15 18:54       ` Warner Losh
2021-11-15 18:56       ` Clem Cole
2021-11-15 20:17   ` arnold [this message]
2021-11-15 21:37     ` Clem Cole

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \ \ \ \
    --subject='Re: [COFF] [TUHS] Will someone please explain the history and usage of gpasswd / newgrp / sg?' \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).