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 3a3d702f for ; Fri, 6 Mar 2020 20:42:41 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id D86539D78B; Sat, 7 Mar 2020 06:42:38 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 2A5F39D782; Sat, 7 Mar 2020 06:42:08 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 1A75A9D777; Sat, 7 Mar 2020 06:42:06 +1000 (AEST) Received: from lb3-smtp-cloud8.xs4all.net (lb3-smtp-cloud8.xs4all.net [194.109.24.29]) by minnie.tuhs.org (Postfix) with ESMTPS id 3ACEB9D698 for ; Sat, 7 Mar 2020 06:42:05 +1000 (AEST) Received: from mba2.fritz.box ([80.101.112.122]) by smtp-cloud8.xs4all.net with ESMTPA id AJnFjU8pahVf8AJnGjAkcW; Fri, 06 Mar 2020 21:42:03 +0100 From: Paul Ruizendaal Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) Message-Id: <8A3F3334-D8C0-4075-B21B-FEAD709C086D@planet.nl> Date: Fri, 6 Mar 2020 21:41:57 +0100 To: TUHS main list X-Mailer: Apple Mail (2.3445.104.11) X-CMAE-Envelope: MS4wfJJvLvJNdz4PwONQZWjNoAiy0B2KF02vsmRD/F14CbKpA/aHZs/BThWidWQx13ewXJRArpdfL+XJMjGNhOIjo05VY6R5KWrnuU4TPphNL+jIX3u1Va/N pENSHdghRjzxnZwAXU7kOy0LQyDt7fPIVnZ10mMlCvvqabAjc7DGYCWQ Subject: [TUHS] First appearance of named pipes 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" The Luderer paper on distributed Unix has the following paragraph: "A new special UNIX interprocess communication mechanism is the fifo, = which provides communication between unrelated processes by associating = a new special file type with a file name. Since remote fifos are legal, = they can be used for interprocessor communication between S-UNIX = machines or between an S-UNIX machine and an F-UNIX machine.=E2=80=9D The paper is from late 1981. Maybe I=E2=80=99m especially mud-eyed = today, but I cannot see FIFO=E2=80=99s implemented in V7..V8 or 4.1xBSD. = When did FIFO=E2=80=99s become a standard Unix feature? Paul