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_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,HTML_MESSAGE,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 23643 invoked from network); 7 Jul 2021 15:17:05 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 7 Jul 2021 15:17:05 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 0DF339C918; Thu, 8 Jul 2021 01:17:04 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 3C2019C862; Thu, 8 Jul 2021 01:15:54 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="ZK2jB0Z+"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id BB00A9C862; Thu, 8 Jul 2021 01:15:51 +1000 (AEST) Received: from mail-oi1-f176.google.com (mail-oi1-f176.google.com [209.85.167.176]) by minnie.tuhs.org (Postfix) with ESMTPS id A75689C854 for ; Thu, 8 Jul 2021 01:15:47 +1000 (AEST) Received: by mail-oi1-f176.google.com with SMTP id w74so3718381oiw.8 for ; Wed, 07 Jul 2021 08:15:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=qXv8zCh2gWcs34V794kehkndER0DgQNzek6Gqfa+VIw=; b=ZK2jB0Z+JpE6nurP6gMiD1nqPj9IGDfcqkrnQZkF8pOzY7CcqdwMOYw2AoFhWnls8r +g6goW3MVh5DXx4bRGWmeIQSn/J6vcvZAKpPR8i4Aoqs3+Y2hmBc/EKJcplDEy4G5Cxa dl12N1z+MhwU70ti2psAN4hC9mUSZ/T/nu6JDBimd4RX5KcJi2JC1DADcEMBN8c+ZFQ3 TrVzAls3xcUR8/IfMVelZ4hchh8zKJ3yBkHCxd0F3Rt6Xw3ovJsa2OsTbbH2wCbpqHpG EtOMaPo65fLvOAk0e7VR+RHehqcxZwdZrbRK5QMWMv50D9o773OHAQOY0VpvQlZ+2hm6 tNdQ== 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=qXv8zCh2gWcs34V794kehkndER0DgQNzek6Gqfa+VIw=; b=R4OqM7/HdMpp67vfxEi3jWHznrh+U2LD5YnKmyhv4bpBZ2hBifdimSFZVXyFBApLLG jIf8KyNIqpv8vOw7pEfXP2Ad59unj+8MuQ9JObP3cmjb2RAs2Q9gEsmiObXsZQOFYp2c xdHCBWZDlHeSgW179rzMNKL9xMe63LuK95SYsvfmkTckuUgeYJoykfnW0OhYO4Fgx+nF q6BRhb3oz8HYcJJuFavvBVIT26Y9fiqQ0yn/UeJKCVUnr+wiOX1T3+GSCVx8MmB90ahp rXEK/jrahHN90MOTnQLbI3CLpT1C+mn6BeJuJbUrF+mSfSfMJCMDKBJ10CP+aM0NqrZd 5Giw== X-Gm-Message-State: AOAM530G6nroa1bMTB2QA2LsBjx3hfobiKSehmySlUgST8oran2ZP5lz dlqZ5MGk941sQkHfm1UPjaCGkpWLn9blFIpfsgQ= X-Google-Smtp-Source: ABdhPJwZNPUJ9WKK8+eiE9FhuIALE1TYGJuNZVE8kwItTTsz4r0m0lQU0oN6fCDVxc1CmHE5/BpVygy5XnXf1HG11x8= X-Received: by 2002:a05:6808:d8:: with SMTP id t24mr4988500oic.105.1625670946843; Wed, 07 Jul 2021 08:15:46 -0700 (PDT) MIME-Version: 1.0 References: <06737C14-1122-4832-BCAA-A37B242F69E4@me.com> <66830aa6-218d-7728-1652-98d765bf06a7@case.edu> In-Reply-To: <66830aa6-218d-7728-1652-98d765bf06a7@case.edu> From: Richard Salz Date: Wed, 7 Jul 2021 11:15:51 -0400 Message-ID: To: chet.ramey@case.edu Content-Type: multipart/alternative; boundary="0000000000004ef07a05c68a0372" Subject: Re: [TUHS] [tuhs] The Unix shell: a 50-year view 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: The Unix Heritage Society mailing list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --0000000000004ef07a05c68a0372 Content-Type: text/plain; charset="UTF-8" > > While I may be mis-remembering, IIRC that wasn't true in System V Unix > from > > AT&T (which is where I was first exposed to it). > > According to http://bitsavers.trailing-edge.com/pdf/att/3b1/999-801-312IS_ATT_UNIX_PC_System_V_Users_Manual_Volume_1.pdf and https://archive.org/details/bitsavers_attunixSystemVRelease4ProgrammersReferenceManual19_55505648/page/n13/mode/2up there is no 'head' command. So Nevin's experience is accurate. --0000000000004ef07a05c68a0372 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

> While I may be mis-remembering, IIRC that wasn't true in System V = Unix from
> AT&T (which is where I was first exposed to it).


https://archive.org/= details/bitsavers_attunixSystemVRelease4ProgrammersReferenceManual19_555056= 48/page/n13/mode/2up there is no 'head' command.=C2=A0 So Nevin= 's experience is accurate.
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