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=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 29245 invoked from network); 21 Jul 2020 22:51:59 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 21 Jul 2020 22:51:59 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 27DE99C8E8; Wed, 22 Jul 2020 08:51:58 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 215229C8DD; Wed, 22 Jul 2020 08:50:53 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (1024-bit key; unprotected) header.d=pobox.com header.i=@pobox.com header.b="HU7eO5uq"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 781179C8DD; Wed, 22 Jul 2020 08:50:50 +1000 (AEST) X-Greylist: delayed 500 seconds by postgrey-1.36 at minnie.tuhs.org; Wed, 22 Jul 2020 08:50:49 AEST Received: from sasl.smtp.pobox.com (pb-sasl20.pobox.com [173.228.157.48]) by minnie.tuhs.org (Postfix) with ESMTPS id D447193D09 for ; Wed, 22 Jul 2020 08:50:49 +1000 (AEST) Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by pb-sasl20.pobox.com (Postfix) with ESMTP id 9AD218664D for ; Tue, 21 Jul 2020 18:42:27 -0400 (EDT) (envelope-from davida@pobox.com) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from :content-type:content-transfer-encoding:mime-version:subject :date:references:to:in-reply-to:message-id; s=sasl; bh=0xsdI5X2I VB7qWU55lRL9ybETQE=; b=HU7eO5uqzee7eC53vehwcPkhIFN8vUqIOe2fGka8Q p2zWoMrZFJd2FaGWU8DJ79YOVJYMd/jukJYiQFFL/jFeOXxeVi4hmd49nuQ3hxZi u8ZUR1MXbX0rUSqD4mJjvqLOXOiVB7jEPOxP57dakRCN+cY/+LcksXV411nh4mGj XU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from :content-type:content-transfer-encoding:mime-version:subject :date:references:to:in-reply-to:message-id; q=dns; s=sasl; b=ah4 kO/JyD6+3mDZjHLIIdOQtjK/muqgNxiGk1OgYH12KUrmRU6HjJMYFHdkzw2xFxMg zKnEBjA0U9MukA7LpgLR+GH6QiDpwGbpWbqeNAIt6EA5ND7gS3xdgbLkPj4zFrOW bDySSAbg2+SPQ5gbQirqAW3hoLgq+5TdJnN/csj0= Received: from pb-sasl20.sea.icgroup.com (unknown [127.0.0.1]) by pb-sasl20.pobox.com (Postfix) with ESMTP id 85FB58664C for ; Tue, 21 Jul 2020 18:42:27 -0400 (EDT) (envelope-from davida@pobox.com) Received: from [192.168.86.129] (unknown [203.132.93.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by pb-sasl20.pobox.com (Postfix) with ESMTPSA id C94788664A for ; Tue, 21 Jul 2020 18:42:24 -0400 (EDT) (envelope-from davida@pobox.com) From: David Arnold Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.14\)) Date: Wed, 22 Jul 2020 08:42:21 +1000 References: <862d8a34-456d-33c1-7ef0-58c6e8089de9@tnetconsulting.net> To: TUHS In-Reply-To: Message-Id: <305889B3-25B5-4C28-BB84-57470D845BBF@pobox.com> X-Mailer: Apple Mail (2.3445.104.14) X-Pobox-Relay-ID: 728E0B98-CBA3-11EA-9B55-F0F12B31CD82-29049682!pb-sasl20.pobox.com Subject: Re: [TUHS] /bin vs /sbin X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" > On 22 Jul 2020, at 04:15, Warner Losh wrote: <=E2=80=A6> > The root disks date from a time before Linux had shared libraries, I = thought, IIRC, Linux had two different shared library implementations? I = haven=E2=80=99t looked, and don=E2=80=99t remember the details, but it = might have been linked to the switch from a.out to ELF for executables? = IIRC, the pre-ELF shared libs were a hack on the a.out executable = format. Not sure where that fits into the /etc vs. /sbin timeline. ISTR Linux = was somewhat inclined away from the BSD way of doing things (in favour = of Solaris/SVR4). d