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_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 26293 invoked from network); 18 Feb 2022 22:35:19 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 18 Feb 2022 22:35:19 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id B5F199C7F0; Sat, 19 Feb 2022 08:35:11 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 0F9B59BA3E; Sat, 19 Feb 2022 08:33:31 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=cfcl.com header.i=@cfcl.com header.b="Lk6FluvK"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id C8A769BA3E; Sat, 19 Feb 2022 08:33:29 +1000 (AEST) Received: from mail-pf1-f179.google.com (mail-pf1-f179.google.com [209.85.210.179]) by minnie.tuhs.org (Postfix) with ESMTPS id 43BA99BA32 for ; Sat, 19 Feb 2022 08:33:29 +1000 (AEST) Received: by mail-pf1-f179.google.com with SMTP id d187so3434821pfa.10 for ; Fri, 18 Feb 2022 14:33:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cfcl.com; s=google; h=from:content-transfer-encoding:mime-version:date:subject:message-id :to; bh=i/88GO1qLe+rs3JK4VXnUXBpmzBtTzlJeJkgPakXHd0=; b=Lk6FluvKAGOQSc1ok3V4Iszai4Vn8vZ4z5vF3UzSCRxSAI8RiExYsHIlhB+Ji8MS+t 0eqWTXBpbTWQcfoLBq1Lf55eSE4rMmPwUqFnGTJjea65mswOi0iBAbFPEEAn0ci4eZxA HwgUnjyaH5P6iFlp9jyrn6k1gSBMckczUZ5NaT1RYcX9S+wc+5A++KFpp901KSgo9Tkp 3MWp4nJhLJ+QxbEgE1KWT/DA0grQ5IPM9xdJ1b5P+Hy2qAgGh3tPbisSmuyGEhsCpIjB 4oGwby69WJCM5e9sASpU/6NVtZpc+RG1v8we0ZYI4UCkMRlEhUwRfqNggyCq/2x9+1SX i+DQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:content-transfer-encoding:mime-version:date :subject:message-id:to; bh=i/88GO1qLe+rs3JK4VXnUXBpmzBtTzlJeJkgPakXHd0=; b=YeR9pcr89kBPAvQyaCpMWY2hDmUvyJy908OmJ6KP4WpthdNwyqPZIFdJ49OqK31F6m UPrDTsEs3dp9ag9wObKpoMhO4GJv/epusP68GqNEkOqob7vri0ee0XuTOwkRQt9625gj /7vR7r2GhCk3ivm628GTEuyRVWgtHKuWxTTCKl8hieAWNDRjMpqszo2KeRrzf4//M3hJ URmeL2EN/lfHJAqEzgt11sSNFNNgKWdc5YCqV/1g85ttNI7hrDBkUm2488ewwZ0pjYki xAPtlaOH+y30q6K7uk9pu5n1Lcny4kO4GvzLzP3T+X+cSCsf77D6x2clyCC2BUef6mkw lmdg== X-Gm-Message-State: AOAM531tzILiDIVh8qG5TPKtBVI9obp7JZTXCe47xzkQ/wogVppg9bvz jyh+/AVjt4km4TcXK/Jxw7jO7uXfXRIxzA== X-Google-Smtp-Source: ABdhPJy0fEkzI3ZySMjE8S/DWUeMP21f5GOfz4ZZjfcOwoxOIRuMKl/Iym4Fkk7BF7iDXSReSmnNnA== X-Received: by 2002:a05:6a00:1743:b0:4e0:c65e:d656 with SMTP id j3-20020a056a00174300b004e0c65ed656mr9958511pfc.5.1645223608535; Fri, 18 Feb 2022 14:33:28 -0800 (PST) Received: from [192.168.4.38] (24-113-81-134.wavecable.com. [24.113.81.134]) by smtp.gmail.com with ESMTPSA id 69sm12012970pgc.61.2022.02.18.14.33.27 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 18 Feb 2022 14:33:28 -0800 (PST) From: Rich Morin Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.7\)) Date: Fri, 18 Feb 2022 14:33:26 -0800 Message-Id: <5FD366F7-329F-44AB-9983-8EC40FA45665@cfcl.com> To: The Eunuchs Hysterical Society X-Mailer: Apple Mail (2.3608.120.23.2.7) Subject: [TUHS] Ping! I love that duck! 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" I was just reminded of this and thought others might enjoy reading it... Customer Review https://www.amazon.com/gp/customer-reviews/R2VDKZ4X1F992Q/ > PING! The magic duck! > Using deft allegory, the authors have provided an insightful and = intuitive explanation of one of Unix's most venerable networking = utilities. Even more stunning is that they were clearly working with a = very early beta of the program, as their book first appeared in 1933, = years (decades!) before the operating system and network infrastructure = were finalized. ... -r