The Unix Heritage Society mailing list
 help / color / mirror / Atom feed
From: toby@telegraphics.com.au (Toby Thain)
Subject: [TUHS] daemons are not to be exorcised
Date: Tue, 20 Mar 2018 14:53:46 -0400	[thread overview]
Message-ID: <aed5ca46-d74f-440d-091c-5ab8a77f0229@telegraphics.com.au> (raw)
In-Reply-To: <20180320182445.5BBA8156E510@mail.bitblocks.com>

On 2018-03-20 2:24 PM, Bakul Shah wrote:
> On Tue, 20 Mar 2018 14:04:38 -0400 Dan Cross <crossd at gmail.com> wrote:
> Dan Cross writes:
>>
>> On Tue, Mar 20, 2018 at 1:56 PM, George Michaelson <ggm at algebras.org> wrote:
>>
>> I think daemon/demon came from printers demon, which is carved into
>>> the government printing office in Brisbane. the printers demon is the
>>> one which stuffed up letters in the tray, to make printers tear their
>>> hair out. Did I say tray? I meant case, upper case, the one above,
>>> with the big letters, and lower case, the case with the little
>>> letters. oh dear. really? is that why they are cases?
>>>
>>
>> While this story (and the others I trimmed for brevity) is (are) great,
>> "daemon" is actually from the Greek, I believe: an intermediary between
>> humans (users) and the gods (the kernel).
> 
>From http://ei.cs.vt.edu/~history/Daemon.html
> 
>   Fernando J. Corbato: ... Our use of the word daemon (@
>   Project MAC in 1963) was inspired by the Maxwell's daemon of
>   physics and thermodynamics. (My background is Physics.)
>   Maxwell's daemon was an imaginary agent which helped sort
>   molecules of different speeds and worked tirelessly in the
>   background. We fancifully began to use the word daemon to
>   describe background processes which worked tirelessly to
>   perform system chores.
> 

OK, but where did Maxwell get it? :-)


  parent reply	other threads:[~2018-03-20 18:53 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-20  1:26 A. P. Garcia
2018-03-20  1:40 ` Dave Horsfall
2018-03-20  1:47 ` maxigas
2018-03-20  4:23 ` Grant Taylor
2018-03-20  4:24   ` Steve Nickolas
2018-03-20  4:40     ` Grant Taylor
2018-03-20  5:19       ` A. P. Garcia
2018-03-21  2:31       ` Theodore Y. Ts'o
2018-03-21  3:20         ` Larry McVoy
2018-03-21  4:30         ` Warner Losh
2018-03-21  4:52         ` Grant Taylor
2018-03-21  9:16         ` Jaap Akkerhuis
2018-03-22  0:18           ` Grant Taylor
2018-03-22  0:22             ` Larry McVoy
2018-03-22  2:25               ` [TUHS] syslog (was Re: daemons are not to be exorcised) Jeremy C. Reed
2018-03-21 13:59         ` [TUHS] daemons are not to be exorcised Clem Cole
2018-03-21 14:18           ` Paul Winalski
2018-03-21 15:15             ` Warner Losh
2018-03-21 15:45               ` Andy Kosela
2018-03-21 15:49                 ` Warner Losh
2018-03-22  0:28           ` Grant Taylor
2018-03-20  6:32   ` Andy Kosela
2018-03-20 12:31   ` Nemo
2018-03-20 17:48 ` Paul Winalski
2018-03-20 17:56   ` George Michaelson
2018-03-20 18:04     ` Dan Cross
2018-03-20 18:24       ` Bakul Shah
2018-03-20 18:46         ` Clem Cole
2018-03-20 19:10           ` Bakul Shah
2018-03-20 19:55             ` Dan Cross
2018-03-20 19:56           ` Tim Bradshaw
2018-03-20 21:12             ` A. P. Garcia
2018-03-20 21:40               ` Andy Kosela
2018-03-21  6:32             ` Wesley Parish
2018-03-20 20:14           ` Warren Toomey
2018-03-20 20:25             ` Paul Winalski
2018-03-20 21:15               ` Clem Cole
2018-03-20 21:09             ` Clem Cole
2018-03-20 18:53         ` Toby Thain [this message]
2018-03-20 19:24       ` Nemo Nusquam
2018-03-21 12:10     ` emanuel stiebler
2018-03-25 19:56     ` emanuel stiebler
2018-03-26  9:44       ` George Michaelson
2018-03-26 12:38         ` emanuel stiebler
2018-03-20 21:32 Nelson H. F. Beebe
2018-03-21 14:17 Noel Chiappa
2018-03-21 15:03 ` Clem Cole
2018-03-21 16:18   ` Arthur Krewat
2018-03-21 17:28     ` Paul Winalski
2018-03-21 17:33       ` George Michaelson
2018-03-21 17:50         ` Arthur Krewat
2018-03-21 19:49           ` A. P. Garcia
2018-03-21 19:37         ` Paul Winalski
2018-03-21 17:34       ` Larry McVoy
2018-03-22  2:24         ` Dave Horsfall
2018-03-21 17:39       ` WIlliam Cheswick
2018-03-21 17:52         ` Arthur Krewat
2018-03-21 17:56       ` Nemo
2018-03-21 18:01         ` Larry McVoy
2018-03-21 18:04       ` Dan Cross
2018-03-21 19:56         ` Clem Cole
2018-03-21 20:13           ` Paul Winalski

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=aed5ca46-d74f-440d-091c-5ab8a77f0229@telegraphics.com.au \
    --to=toby@telegraphics.com.au \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).