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=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 d2beb883 for ; Fri, 10 Jan 2020 14:03:50 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 2B25F949AC; Sat, 11 Jan 2020 00:03:49 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id A41FF93D85; Sat, 11 Jan 2020 00:03:32 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (1024-bit key; secure) header.d=drijf.net header.i=@drijf.net header.b="FG0K6dxz"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 217C693D85; Sat, 11 Jan 2020 00:03:30 +1000 (AEST) X-Greylist: delayed 399 seconds by postgrey-1.36 at minnie.tuhs.org; Sat, 11 Jan 2020 00:03:28 AEST Received: from clue.drijf.net (clue.drijf.net [94.142.244.34]) by minnie.tuhs.org (Postfix) with ESMTPS id B02E493D07 for ; Sat, 11 Jan 2020 00:03:28 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=drijf.net; s=default; t=1578664607; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=D1MFjH7ZyUF+0/Yqo/dEfs44QEeClFhgRV3vvSjOnu0=; b=FG0K6dxzpUClq/OxJ9u+DRXVTLrNP0/CX9u6KP89kPewr9nrmP8ZwAMOrAG46ttovY+N3F uH6gFcTrCr/xBTSeMqNjzbac2x2Z58YykOzN/erBPD0heOh3WjdCIN/5zDSpw/fxiR5H8T f253WATxI+QRY2LiVRvWCB9G0ihbblA= Received: from clue.drijf.net (clue.drijf.net [94.142.244.34]) by mx1.drijf.net (OpenSMTPD) with ESMTPSA id 91cd342d (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256:NO); Fri, 10 Jan 2020 14:56:47 +0100 (CET) Date: Fri, 10 Jan 2020 14:56:45 +0100 From: Otto Moerbeek To: Mike Markowski Message-ID: <20200110135645.GA47971@clue.drijf.net> References: <9c507ef665851fd21ecdf0e23136dc86@firemail.de> <1ippPk-8PE-00@marmaro.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Subject: Re: [TUHS] screen editors / machine load 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 main list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" On Fri, Jan 10, 2020 at 08:41:53AM -0500, Mike Markowski wrote: > [2020-01-09 08:49] Dave Horsfall > > > I had a boss once who insisted that all his staff learn "ed", > > > because one day it might be the only editor available; he was > > > right... > > > > I first used Unix on a pdp-11/70 in 1981, first year at university. My > professor stopped by the computing center to see how his students were > doing - super nice of him and a perk to pre-PC times! - and was showing me > something or other regarding Unix. I had only used ed to that point and > seeing him fire up vi was practically sci-fi to me. He showed me a few > commands and vowed me to secrecy for fear if all students started using it, > it would bring the 11/70 to its knees. Were multiple vi sessions really > such a potential burden to the machine? I wouldn't think so with the slow > nature of human i/o, yet there certainly were times when the pdp-11/70 > crashed as project due dates loomed closer and closer! > > Also, I very much enjoy this list. As an EE I use Unix-like OSes as a tool > rather being a builder of the tool like many here. So I don't have the > deep background to contribute to the collective history, but I'm on the > sidelines enjoying the show. As a brief tie-in to the editor comparisons, > I do a lot of DSP work for RF systems these days. Python makes it quick > and easy to try new math, but has a maddening requirement that indentation > be strictly tabs or strictly spaces. Text window pasting into a tab > indented python file wreaks havoc. vim yank/put between split windows > retains the type of white space and lets me use my vi muscle memory. > > Happy 2020, > Mike Markowski In my first year at university (1984) we had a VAX-11/750 running 4.1BSD with too many students. We had to switch to ex once in a while to get any editing done. I believe it was not only vi itself that was causing the load, it was also running many terminals in raw mode that killed performance. -Otto