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=-1.0 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, HTML_MESSAGE,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 29758 invoked from network); 22 Jul 2020 03:34:47 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 22 Jul 2020 03:34:47 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 853AD9C8E3; Wed, 22 Jul 2020 13:34:46 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 7F7BC9C8C3; Wed, 22 Jul 2020 13:33:36 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; unprotected) header.d=bsdimp-com.20150623.gappssmtp.com header.i=@bsdimp-com.20150623.gappssmtp.com header.b="V8CtXsei"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id ACD429C8C3; Wed, 22 Jul 2020 13:33:32 +1000 (AEST) Received: from mail-qk1-f169.google.com (mail-qk1-f169.google.com [209.85.222.169]) by minnie.tuhs.org (Postfix) with ESMTPS id B7C8693D09 for ; Wed, 22 Jul 2020 13:33:31 +1000 (AEST) Received: by mail-qk1-f169.google.com with SMTP id u64so700696qka.12 for ; Tue, 21 Jul 2020 20:33:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=XVH2DO57jmdORjn/iAx5q9bEh+SI7Y7S1mxyZguh2fc=; b=V8CtXseiuuBZmSWf0akufuzbt/Rp3VhMduv9sx3843QxgQF4DmGjeCdONjmHyApMzV C5Su2TMzhUmT16TZXINZaTheSANs4aI6AIZqHt/c8Y6BNxW6rJnEpRj8LMsFRFkePbvL FUXWI/kFvx1+kUqB45ZZVB2kUAGzet/kI32DmtQRWOeuKcf86azznbbaP3R+4i9TuCG9 MbN6beLFm/Ig6JcNOZvagYNf5CDoWJTVdTyCU2JZPxnIhnkE9j1lU7BFK2HkVYf0B5Jp U5G/ehMHuOaITVAaLZKAOGddre9BmmTGxPPgelTLz8XCcV7kN+SYnIMsB+nsqngUp8xD pELA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=XVH2DO57jmdORjn/iAx5q9bEh+SI7Y7S1mxyZguh2fc=; b=qSaThR+zdL0w5EFyrMT5NJnpAUkJQlF2/LfNAQzeUbpPG5IB4vRsX1eqR1XdaVLoHh g9TLGLPSJYWJ+HuzjtnH3mj0md5nV38SBYyDENfNhEgEtxAhrk81JZSVCKZ6cd9EIHRG TGzy5nM6HiaXXqQm+srPQS5G6CtefLArLlBtVbS9fdiPDu5Wz1MlfDTy4LGfIGer8uIK BjSnykhSZiCu0OpEIko7F8DouG5D2hM2X1NoHnbduyF4eFzExy9UH1HZoR9y/CpZsS4V Qxs/TixNOej3ode5IUU+iJAzZIKu4tS3Y5Fi+4F9sXbCNkLQx97c0L9pgFBgxMWX3WjT O4Qg== X-Gm-Message-State: AOAM532y2Ndk7bfynOz0uXErmTBQRfvuy/zJp2cDveMsXx1hSrF1XVud Zc+GXlh8yZhtCQIokjiy4lJgJem0Ze2gShFHr9fqjQ== X-Google-Smtp-Source: ABdhPJycQw0vElfT4aZKDt5cfPpVvbpKEMdXlvrax3nooLU5EK2dU5P7mX3NrsnIWhjSsWN+ueZ8DNLSKpEv6K2QvdE= X-Received: by 2002:a37:4015:: with SMTP id n21mr27204824qka.240.1595388810521; Tue, 21 Jul 2020 20:33:30 -0700 (PDT) MIME-Version: 1.0 References: <862d8a34-456d-33c1-7ef0-58c6e8089de9@tnetconsulting.net> <305889B3-25B5-4C28-BB84-57470D845BBF@pobox.com> In-Reply-To: <305889B3-25B5-4C28-BB84-57470D845BBF@pobox.com> From: Warner Losh Date: Tue, 21 Jul 2020 21:33:18 -0600 Message-ID: To: David Arnold Content-Type: multipart/alternative; boundary="00000000000054816505aaff6709" 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: , Cc: TUHS Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --00000000000054816505aaff6709 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, Jul 21, 2020, 4:52 PM David Arnold wrote: > > 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 li= nked 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. > Yes. Those were the SunOS like ones, but with weird address location quirks= . Warner 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 > > --00000000000054816505aaff6709 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Tue, Jul 21, 2020, 4:52 PM David Arnold <davida@pobox.com> wrote:
> On 22 Jul 2020, at 04:15, Warner Losh <imp@bs= dimp.com> wrote:

<=E2=80=A6>

> The root disks date from a time before Linux had shared libraries, I t= hought,

IIRC, Linux had two different shared library implementations?=C2=A0 I haven= =E2=80=99t looked, and don=E2=80=99t remember the details, but it might hav= e been linked to the switch from a.out to ELF for executables?=C2=A0 IIRC, = the pre-ELF shared libs were a hack on the a.out executable format.

Yes. Tho= se were the SunOS like ones, but with weird address location quirks.
<= div dir=3D"auto">
Warner
=
Not sure where that fits into the /etc vs. /sbin timeline.=C2=A0 ISTR Linux= was somewhat inclined away from the BSD way of doing things (in favour of = Solaris/SVR4).




d

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