Re: Shutdown - 25 Years Later

From	Jim Jackson <jj@franjam.org.uk>
Newsgroups	comp.os.linux.misc
Subject	Re: Shutdown - 25 Years Later
Date	2025-04-19 21:10 +0000
Organization	A noiseless patient Spider
Message-ID	<slrn10084b2.ort.jj@iridium.wf32df> (permalink)
References	<pan$1c8bb$619a6b57$40e9fbf7$742927fd@linux.rocks> <eli$2504180033@qaz.wtf> <m6een4Fiuq2U2@mid.individual.net> <vtt1pr$2jm59$4@dont-email.me> <biOMP.2417830$t84d.626730@fx11.iad>

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On 2025-04-19, Charlie Gibbs <cgibbs@kltpzyxm.invalid> wrote:
> On 2025-04-18, Lawrence D'Oliveiro <ldo@nz.invalid> wrote:
>
>> On Fri, 18 Apr 2025 08:53:05 +0100, Andy Burns wrote:
>>
>>> I don't remember if I ever used  sync; sync; halt
>>> 
>>> on linux, but certainly on older *nixes
>>
>> The need for multiple ???sync??? calls was a bit of voodoo black magic 
>> leftover from a bug/misfeature in early Unix kernels.
>>
>> I don???t think it???s ever been necessary on Linux.
>
> The story I heard was that typing "sync" three times takes long
> enough that the system has time to flush all its buffers before
> you do anything else.

But sync shouldn't return until the buffers have flushed.
So repeats are not needed.

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Shutdown - 25 Years Later Farley Flud <ff@linux.rocks> - 2025-04-16 14:32 +0000
  Re: Shutdown - 25 Years Later Eli the Bearded <*@eli.users.panix.com> - 2025-04-18 04:34 +0000
    Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-18 05:56 +0000
      Re: Shutdown - 25 Years Later Eli the Bearded <*@eli.users.panix.com> - 2025-04-18 06:38 +0000
        Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-18 08:15 +0000
    Re: Shutdown - 25 Years Later Andy Burns <usenet@andyburns.uk> - 2025-04-18 08:53 +0100
      Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-18 08:16 +0000
        Re: Shutdown - 25 Years Later Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-04-19 14:19 +0000
          Re: Shutdown - 25 Years Later Jim Jackson <jj@franjam.org.uk> - 2025-04-19 21:10 +0000
            Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-19 22:22 +0000
            Re: Shutdown - 25 Years Later Richard Kettlewell <invalid@invalid.invalid> - 2025-04-20 08:13 +0100
              Re: Shutdown - 25 Years Later The Natural Philosopher <tnp@invalid.invalid> - 2025-04-20 10:31 +0100
              Re: Shutdown - 25 Years Later Pancho <Pancho.Jones@protonmail.com> - 2025-04-20 12:28 +0100
                Re: Shutdown - 25 Years Later Richard Kettlewell <invalid@invalid.invalid> - 2025-04-20 20:44 +0100
                Re: Shutdown - 25 Years Later not@telling.you.invalid (Computer Nerd Kev) - 2025-04-21 08:24 +1000
                Re: Shutdown - 25 Years Later not@telling.you.invalid (Computer Nerd Kev) - 2025-04-21 08:28 +1000
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-21 00:29 +0000
                Re: Shutdown - 25 Years Later "Carlos E.R." <robin_listas@es.invalid> - 2025-04-22 10:35 +0200
                Re: Shutdown - 25 Years Later The Natural Philosopher <tnp@invalid.invalid> - 2025-04-22 10:03 +0100
                Re: Shutdown - 25 Years Later "Carlos E.R." <robin_listas@es.invalid> - 2025-04-22 11:27 +0200
                Re: Shutdown - 25 Years Later Pancho <Pancho.Jones@protonmail.com> - 2025-04-22 10:37 +0100
                Re: Shutdown - 25 Years Later The Natural Philosopher <tnp@invalid.invalid> - 2025-04-22 12:13 +0100
                Re: Shutdown - 25 Years Later Pancho <Pancho.Jones@protonmail.com> - 2025-04-22 12:38 +0100
                Re: Shutdown - 25 Years Later The Natural Philosopher <tnp@invalid.invalid> - 2025-04-22 14:29 +0100
                Re: Shutdown - 25 Years Later Pancho <Pancho.Jones@protonmail.com> - 2025-04-23 12:55 +0100
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-22 22:49 +0000
                Re: Shutdown - 25 Years Later candycanearter07 <candycanearter07@candycanearter07.nomail.afraid> - 2025-04-23 19:20 +0000
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-24 00:24 +0000
                Re: Shutdown - 25 Years Later candycanearter07 <candycanearter07@candycanearter07.nomail.afraid> - 2025-04-25 17:50 +0000
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-25 23:15 +0000
                Re: Shutdown - 25 Years Later John Ames <commodorejohn@gmail.com> - 2025-04-28 07:45 -0700
                Re: Shutdown - 25 Years Later Richard Kettlewell <invalid@invalid.invalid> - 2025-04-28 20:18 +0100
                Re: Shutdown - 25 Years Later The Natural Philosopher <tnp@invalid.invalid> - 2025-04-29 12:15 +0100
                Re: Shutdown - 25 Years Later Richard Kettlewell <invalid@invalid.invalid> - 2025-04-29 18:29 +0100
                Re: Shutdown - 25 Years Later The Natural Philosopher <tnp@invalid.invalid> - 2025-04-29 21:18 +0100
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-29 03:02 +0000
                Re: Shutdown - 25 Years Later Richard Kettlewell <invalid@invalid.invalid> - 2025-04-22 18:20 +0100
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-22 22:45 +0000
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-22 22:46 +0000
                Re: Shutdown - 25 Years Later The Natural Philosopher <tnp@invalid.invalid> - 2025-04-23 06:29 +0100
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-22 22:46 +0000
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-22 22:43 +0000
                Re: Shutdown - 25 Years Later "Carlos E.R." <robin_listas@es.invalid> - 2025-04-23 13:35 +0200
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-24 00:23 +0000
                Re: Shutdown - 25 Years Later "Carlos E.R." <robin_listas@es.invalid> - 2025-04-25 23:20 +0200
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-25 23:14 +0000
                Re: Shutdown - 25 Years Later The Natural Philosopher <tnp@invalid.invalid> - 2025-04-26 10:32 +0100
                Re: Shutdown - 25 Years Later Richard Kettlewell <invalid@invalid.invalid> - 2025-04-26 17:08 +0100
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-26 22:56 +0000
                Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-26 22:52 +0000
      Re: Shutdown - 25 Years Later The Natural Philosopher <tnp@invalid.invalid> - 2025-04-18 10:15 +0100
        Re: Shutdown - 25 Years Later Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-04-19 00:06 +0000
  Re: Shutdown - 25 Years Later vallor <vallor@cultnix.org> - 2025-04-18 10:41 +0000
    Re: Shutdown - 25 Years Later % <pursent100@gmail.com> - 2025-04-18 06:17 -0700
    Re: Shutdown - 25 Years Later "Carlos E.R." <robin_listas@es.invalid> - 2025-04-18 15:29 +0200
  Re: Shutdown - 25 Years Later Farley Flud <ff@linux.rocks> - 2025-04-18 19:02 +0000

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