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=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 25163 invoked from network); 1 Jul 2023 18:04:13 -0000 Received: from minnie.tuhs.org (50.116.15.146) by inbox.vuxu.org with ESMTPUTF8; 1 Jul 2023 18:04:13 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 4718D43660; Sun, 2 Jul 2023 04:04:06 +1000 (AEST) Received: from mail-yb1-xb2c.google.com (mail-yb1-xb2c.google.com [IPv6:2607:f8b0:4864:20::b2c]) by minnie.tuhs.org (Postfix) with ESMTPS id 9183243291 for ; Sun, 2 Jul 2023 04:03:56 +1000 (AEST) Received: by mail-yb1-xb2c.google.com with SMTP id 3f1490d57ef6-bff0beb2d82so3083068276.2 for ; Sat, 01 Jul 2023 11:03:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dartmouth.edu; s=google1; t=1688234633; x=1690826633; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=GPy+IQlNa/EjTxKQ48Us7PjdKKlcTI2ZHHe+inAEZ50=; b=plC9aaNCwOzk1Wz2VBbJ4dVUjT4hs5pPRaYfhtCc6X+PgL+52vJmRwXZnNcNUNJF/i uX/wU8B+4MyMpvA2a8AQMRbO8f/Mjq+wpWvYjAVY/b1iGSKNZvf116RUjmLj1RWeSILe QVasXJ0T0rrTpupQ0CxSG7C/aySIqRT9Zys0ZmvJnYmperEdDMhPSK8xLYBR4VVzvRBI NIGsx93bPxmE7EOGIT9zmvyNS9hFYbDDdMTKV4oVPJ2BN9rjHPmczMAznO2Zrp1wml96 e5SALCMuHUL44ic8JCaiAg3AwoUN3vg2zCwnrnOY4yN+MorDO9c9kThTjEIVLDuRD3dI vpaA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688234633; x=1690826633; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=GPy+IQlNa/EjTxKQ48Us7PjdKKlcTI2ZHHe+inAEZ50=; b=N12kZxGt31hrrWb9fBTzMImNLn8ydLlPnA8VVJrdJOTYDizNseZlGuE+LcyVW80QeH okA6MCKXhXaeq39GA/8UgQuNA2VsVJeysdimq25XrqgO53TfiqGEFev5duFgBG2F4m1Q 3uw5nRGkFX8v58/i2xpqB5JPo6Snh3VAgbptWWNFWpLEYA3m+9B7mm6EIfruhdmTx43E a0zlI8pV3I+JWlJqTKW4v9cjOppqAGuZqkGAvE7dnXH3Ff5zbO5E58JxfclpYc1WcVgz gOR0le6k/3WZ6zdXf4Eksf+8CPvplBtdasZkEyb03bvOzRbs9Z+jqyeGX2pt7hhA6umV NgXA== X-Gm-Message-State: ABy/qLa1CgVMumFwH01fo4xMmT8iTWK+wxxo+unAA2PgESYlsATyYsOq a4iw/NasF1buORsnmhrpDSs5RZKyUnkrq5c00TpF7FuPtPdhkDPYX00= X-Google-Smtp-Source: APBJJlFyklefUBEuq/1eOHeL9mhxvoGmjM8scMiWRb92112TGXD8JnYabxfAxeXIcgb5b2eo2lQfd/iOtekpRGU8iPE= X-Received: by 2002:a25:a382:0:b0:c00:92c8:542f with SMTP id e2-20020a25a382000000b00c0092c8542fmr3839023ybi.60.1688234633690; Sat, 01 Jul 2023 11:03:53 -0700 (PDT) MIME-Version: 1.0 From: Douglas McIlroy Date: Sat, 1 Jul 2023 14:03:37 -0400 Message-ID: To: TUHS main list Content-Type: text/plain; charset="UTF-8" Message-ID-Hash: GP4EMJTWMSM6FQHPFTFB4ZXMXR7ZL55O X-Message-ID-Hash: GP4EMJTWMSM6FQHPFTFB4ZXMXR7ZL55O X-MailFrom: douglas.mcilroy@dartmouth.edu X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Bell Labs CSTRs List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: > once you've got M3 and M4, you've got a naming convention; I'd > think it a safe bet that there was an M5 that was an internal > experiment, and that M6 was simply the next in line M6 came first, created by Andy Hall as a portability tool for Altran. I always assumed the name echoed Ken Knowlton's L6 (BelL Labs low level list language, with a superscript 6). I seem to recall that M6 was endowed with a very labored acronym. Doug