From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org
X-Spam-Level: 
X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED,
	MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4
Received: (qmail 17228 invoked from network); 15 Nov 2022 06:03:40 -0000
Received: from minnie.tuhs.org (50.116.15.146)
  by inbox.vuxu.org with ESMTPUTF8; 15 Nov 2022 06:03:40 -0000
Received: from minnie.tuhs.org (localhost [IPv6:::1])
	by minnie.tuhs.org (Postfix) with ESMTP id 42C0B409FB;
	Tue, 15 Nov 2022 16:03:32 +1000 (AEST)
Received: from outgoing.mit.edu (outgoing-auth-1.mit.edu [18.9.28.11])
	by minnie.tuhs.org (Postfix) with ESMTPS id BB41D40131
	for <tuhs@tuhs.org>; Tue, 15 Nov 2022 16:03:21 +1000 (AEST)
Received: from cwcc.thunk.org (pool-173-48-120-46.bstnma.fios.verizon.net [173.48.120.46])
	(authenticated bits=0)
        (User authenticated as tytso@ATHENA.MIT.EDU)
	by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 2AF635Sw008609
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT);
	Tue, 15 Nov 2022 01:03:06 -0500
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mit.edu; s=outgoing;
	t=1668492192; bh=3pSUMVjtgWunUkQU3B1UBOQXiKy2BP+owuuFlP4iR1s=;
	h=Date:From:To:Cc:Subject:References:In-Reply-To;
	b=dCXd1tZFsU1x1vnlrdJ+1Ffrg7r7auffRo07RMdVB1MLIfGSyB2RTaPFa5iRz3nqk
	 pT4bc2rQWyjxKe2W3mCVzDuZg8R+O7d25+H3VwJls+Mka4iNb+N9ezSlvhoX3bR4L/
	 DaIwN6CKL8H5FvQzDd26PMCVFvUAhDN9kOKY5NyAxiZWPDalFT00D6SaJqHKKVQqeR
	 A7a0SFl5E/Ardk3jtJr3+uQ3kz+kZVQiVVyA6/XGbUzT5NXclH+FeP80Ff7edka7p5
	 wA5VEKKqqxL6M+IGh3Lz4dYokPxjesSj23XzSQGQ2FmZfs2GhKww2R0JuvFC/CEb8l
	 zbpEV1kUeJFQw==
Received: by cwcc.thunk.org (Postfix, from userid 15806)
	id AF63015C34C3; Tue, 15 Nov 2022 01:03:05 -0500 (EST)
Date: Tue, 15 Nov 2022 01:03:05 -0500
From: "Theodore Ts'o" <tytso@mit.edu>
To: Warner Losh <imp@bsdimp.com>
Message-ID: <Y3MrmQSPfUbLG2rX@mit.edu>
References: <832D1854-6395-4866-8640-18FAD3BD6ADF@planet.nl>
 <CAC20D2N9pd-9JjwMnU9ChU5LL4z8N3PGw7g5Bh8dsqxAsGsU7g@mail.gmail.com>
 <CANCZdfqj1E_nmd8ooKQt6gkFUME0yngKFRcT1z_DDtkT4iKkBg@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Disposition: inline
Content-Transfer-Encoding: base64
In-Reply-To: <CANCZdfqj1E_nmd8ooKQt6gkFUME0yngKFRcT1z_DDtkT4iKkBg@mail.gmail.com>
Message-ID-Hash: EYZTL6EWKUFZLCUMR42AEPGREEDIKZWK
X-Message-ID-Hash: EYZTL6EWKUFZLCUMR42AEPGREEDIKZWK
X-MailFrom: tytso@mit.edu
X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-tuhs.tuhs.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header
CC: Paul Ruizendaal <pnr@planet.nl>, The Eunuchs Hysterical Society <tuhs@tuhs.org>
X-Mailman-Version: 3.3.6b1
Precedence: list
Subject: [TUHS] Re: DG UNIX History
List-Id: The Unix Heritage Society mailing list <tuhs.tuhs.org>
Archived-At: <https://www.tuhs.org/mailman3/hyperkitty/list/tuhs@tuhs.org/message/EYZTL6EWKUFZLCUMR42AEPGREEDIKZWK/>
List-Archive: <https://www.tuhs.org/mailman3/hyperkitty/list/tuhs@tuhs.org/>
List-Help: <mailto:tuhs-request@tuhs.org?subject=help>
List-Owner: <mailto:tuhs-owner@tuhs.org>
List-Post: <mailto:tuhs@tuhs.org>
List-Subscribe: <mailto:tuhs-join@tuhs.org>
List-Unsubscribe: <mailto:tuhs-leave@tuhs.org>
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