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, HTML_MESSAGE,MAILING_LIST_MULTI,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 25762 invoked from network); 3 Jul 2022 00:10:04 -0000 Received: from minnie.tuhs.org (50.116.15.146) by inbox.vuxu.org with ESMTPUTF8; 3 Jul 2022 00:10:04 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 3B03440E71; Sun, 3 Jul 2022 10:09:42 +1000 (AEST) Received: from mail-pj1-f41.google.com (mail-pj1-f41.google.com [209.85.216.41]) by minnie.tuhs.org (Postfix) with ESMTPS id BEBF740E6E for ; Sun, 3 Jul 2022 10:09:37 +1000 (AEST) Received: by mail-pj1-f41.google.com with SMTP id s21so1470202pjq.4 for ; Sat, 02 Jul 2022 17:09:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ccil-org.20210112.gappssmtp.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=PpS1k9QBgb6bp8ZQbN4+YyQ6gVu/dngKmIMX7HWeme8=; b=cuLcAqejeQq94ANi4n08+y8E2PbFHHxSbK7eXaNH1KafE2VQzxIPz9u/410T1VR1Z8 UPmSZpDNKJoo6TrQVPJJssfmq023RvGynM7xJN1wvuqPMOI9d9oOQcR6rc29j0bN2ItS olmnHe/gCq2359v5e2e4E6IGQ4FEVgkeld07am74I6o2qGLqpDL4rISrLjRuyvSqKKeZ piVIM11HxwdP1FQVIwaNhy/8sngBttuagnXEelkn7npNbmZXIpBfd2+3aNWBQx2mNUxL bgCV0qdUuwwImToJ9gZak4Bxdq2zZW5T/zTvLRmpUNxVLO/0qafz8Bd3Sj3RoGfd0G8q e3mw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=PpS1k9QBgb6bp8ZQbN4+YyQ6gVu/dngKmIMX7HWeme8=; b=76UkADAN2+LXaTDHLG6qtM3z5uo83D0ayc1hWOUK0JV5+lkmptzS6VQ7cuESC2kxF+ VIYomRPeVS6RYgMWEhKbgWqdennz6bKykLTqSVQWu9PEcgSSr/2enEvegMxu3w+74LVH bsOawFYHnx2pB3Oit9vdAm6Szk2BaZu5Q8QGaWixS+QHrl8SAiVWpkJc/hHkkfv/jUKA WKPmtXJ+WrCo+krshl/prCtPBKa50NFX82ftj0AyhapU76WnPty7SKaB41G0abDXgc2+ Jo0YTvfYHN2UZM7jioTanoV9vDnu3XvHHTE0z5sthdeq0jmwTrnbCJjpLnSjR7nEOQvv VuXg== X-Gm-Message-State: AJIora880+eexMEwHNXlsPnVNX2Z4JhUmtqDOi2NhtM/T7RJkyF6mSFd 1+8DGyHCl3JSE3OKbaxcHvpDCo4INHteZqg/BNJqsQ== X-Google-Smtp-Source: AGRyM1sakmP0OmR0+elPkQBW7LtRx1Q9yWmtUHrYhsaKhWQceHTAUXEiSPyyfvxrF/MjdoEDDsifU5PF7suFV71pKrM= X-Received: by 2002:a17:903:2651:b0:16b:c750:fb5b with SMTP id je17-20020a170903265100b0016bc750fb5bmr7120743plb.71.1656806917254; Sat, 02 Jul 2022 17:08:37 -0700 (PDT) MIME-Version: 1.0 References: <180245D1-0DCD-4C2C-A26A-EF68578FD548@canb.auug.org.au> <4FC15BF4-B7A8-4CE6-B3B8-FF52F1517219@lazo.ca> In-Reply-To: <4FC15BF4-B7A8-4CE6-B3B8-FF52F1517219@lazo.ca> From: John Cowan Date: Sat, 2 Jul 2022 20:08:25 -0400 Message-ID: To: Mark Sutton Content-Type: multipart/alternative; boundary="000000000000c3c89505e2db6b29" Message-ID-Hash: RGIEDP3IO3SVHWNSQGMLB3KEOUO5CDRC X-Message-ID-Hash: RGIEDP3IO3SVHWNSQGMLB3KEOUO5CDRC X-MailFrom: cowan@ccil.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-tuhs.tuhs.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: The Eunuchs Hysterical Society X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: "9 skills our grandkids won't have" - Is this a TUHS topic? List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: --000000000000c3c89505e2db6b29 Content-Type: text/plain; charset="UTF-8" On Sat, Jul 2, 2022 at 7:02 PM Mark Sutton wrote: > /2 6:05:30 AM PDT, Ori Idan wrote: > >> >> On Thu, Jun 30, 2022 at 7:38 PM Paul Winalski >> wrote: >> >>> \ >> >> >>> o why CTRL/S and CTRL/Q are used for flow control in a shell command >>> line session >>> >> Also would be happy to know. >> > ASCII reserved four characters, ^Q through ^T, for unspecified device controls. The ASR 33 Teletype, which had a built-in paper tape reader and punch, allowed programmatic control of these devices using these characters: ^Q started the reader (assuming paper tape was in it) and ^S stopped it. In classic Teletype use, the protocol was bidirectional. (By the same token, ^R started the punch, which meant that characters sent to the terminal were punched as well as printed, and ^T stopped it. Some DEC OSes used ^T to print a single-line status of the current process. I do not know why ^C (end of text, as opposed to ^D which is end of transmission) took on its present role, but it was definitely already true in early DEC OSes. > >> >>> >>> o why an application memory dump after an application crash is called >>> a core file >>> >> See https://en.wikipedia.org/wiki/Magnetic-core_memory --000000000000c3c89505e2db6b29 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Sat, Jul 2, 20= 22 at 7:02 PM Mark Sutton <mes@lazo.ca> wrote:
/2 6:05:30 AM PDT, Ori Idan <ori@heliconbooks.com> = wrote:

On Thu, Jun 30, 2022 at 7:38 PM Paul Winalski &l= t;paul.winalsk= i@gmail.com> wrote:
\=C2=A0

o why CTRL/S and CTRL/Q are used for flow control in a shell command
line session
Also would be happy to know.
<= /div>

ASCII reserved four characters, ^Q through ^T, for unspecified device co= ntrols.=C2=A0 The ASR 33 Teletype, which had a built-in paper tape reader a= nd punch, allowed programmatic control of these devices using these charact= ers:=C2=A0 ^Q started the reader (assuming paper tape was in it) and ^S sto= pped it.=C2=A0 In classic Teletype use, the protocol was bidirectional.=C2= =A0 (By the same token, ^R started the punch, which meant that characters s= ent to the terminal were punched as well as printed, and ^T stopped it.

Some DEC OS= es used ^T to=C2=A0print a single-line status of the current process.=C2=A0= I do not know why ^C (end of text, as opposed to ^D which is end of transm= ission) took on its present role, but it was definitely already true in ear= ly DEC OSes.
=C2=A0

o why an application memory dump after an application crash is called
a core file

See https://en.wikipedia.org/wiki/Magnetic-core_m= emory
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