From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id 8604e152 for ; Wed, 4 Mar 2020 14:14:57 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 77CBB9D72B; Thu, 5 Mar 2020 00:14:55 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 950979D71B; Thu, 5 Mar 2020 00:14:25 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 58D7A9D71B; Thu, 5 Mar 2020 00:14:22 +1000 (AEST) X-Greylist: delayed 427 seconds by postgrey-1.36 at minnie.tuhs.org; Thu, 05 Mar 2020 00:14:21 AEST Received: from ipo0.cc.utah.edu (ipo0.cc.utah.edu [155.97.144.59]) by minnie.tuhs.org (Postfix) with ESMTPS id CFA5C9D68F for ; Thu, 5 Mar 2020 00:14:21 +1000 (AEST) X-URL-LookUp-ScanningError: 1 X-IronPort-AV: E=Sophos;i="5.70,514,1574146800"; d="scan'208";a="280502387" Received: from mail.math.utah.edu ([155.101.98.135]) by ipo0smtp.cc.utah.edu with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Mar 2020 07:06:54 -0700 Received: from gamma.math.utah.edu (gamma.math.utah.edu [155.101.96.20]) by mail.math.utah.edu (8.14.8/8.14.8) with ESMTP id 024E6rkX004447; Wed, 4 Mar 2020 07:06:53 -0700 (MST) Received: from gamma.math.utah.edu (localhost [127.0.0.1]) by gamma.math.utah.edu (8.15.1/8.15.1) with ESMTP id 024E6rr6024098; Wed, 4 Mar 2020 07:06:53 -0700 Received: (from beebe@localhost) by gamma.math.utah.edu (8.15.1/8.15.1/Submit) id 024E6rUl024097; Wed, 4 Mar 2020 07:06:53 -0700 Date: Wed, 4 Mar 2020 07:06:53 -0700 From: "Nelson H. F. Beebe" To: tuhs@tuhs.org X-US-Mail: "Department of Mathematics, 110 LCB, University of Utah, 155 S 1400 E RM 233, Salt Lake City, UT 84112-0090, USA" X-Telephone: +1 801 581 5254 X-FAX: +1 801 581 4148 X-URL: http://www.math.utah.edu/~beebe Message-ID: X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.3.8 (mail.math.utah.edu [155.101.98.135]); Wed, 04 Mar 2020 07:06:53 -0700 (MST) Subject: Re: [TUHS] Command line options and complexity 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" Arnold Robbins writes: >> There was no tac in V7 Unix. It was first posted to USENET, I don't >> know by who, and picked up by Linux and *BSD. That brought back memories, and to verify them, I checked the tac.c source code in the latest GNU coreutils test release. It says /* Written by Jay Lepreau (lepreau@cs.utah.edu). GNU enhancements by David MacKenzie (djm@gnu.ai.mit.edu). */ So my memory was right that my old friend Jay was the author. Sadly, we lost him in September 2008: see https://www.legacy.com/obituaries/saltlaketribune/obituary.aspx?page=lifestory&pid=117597321 Jay founded the influential Flux group in advanced networking research: http://www.flux.utah.edu/profile/lepreau ------------------------------------------------------------------------------- - Nelson H. F. Beebe Tel: +1 801 581 5254 - - University of Utah FAX: +1 801 581 4148 - - Department of Mathematics, 110 LCB Internet e-mail: beebe@math.utah.edu - - 155 S 1400 E RM 233 beebe@acm.org beebe@computer.org - - Salt Lake City, UT 84112-0090, USA URL: http://www.math.utah.edu/~beebe/ - -------------------------------------------------------------------------------