Re: Shutdown - 25 Years Later

Sujet : Re: Shutdown - 25 Years Later
De : ldo (at) *nospam* nz.invalid (Lawrence D'Oliveiro)
Groupes : comp.os.linux.misc
Date : 19. Apr 2025, 23:22:51

Autres entêtes

Organisation : A noiseless patient Spider
Message-ID : <vu17nq$2d0f6$2@dont-email.me>
References : 1 2 3 4 5 6
User-Agent : Pan/0.162 (Pokrosvk)

On Sat, 19 Apr 2025 21:10:58 -0000 (UTC), Jim Jackson wrote:

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.

Correct. That was the bug.

Date	Sujet	#	Auteur
18 Apr 25	Re: Shutdown - 25 Years Later	49	Eli the Bearded
18 Apr 25	Re: Shutdown - 25 Years Later	3	Lawrence D'Oliveiro
18 Apr 25	Re: Shutdown - 25 Years Later	2	Eli the Bearded
18 Apr 25	Re: Shutdown - 25 Years Later	1	Lawrence D'Oliveiro
18 Apr 25	Re: Shutdown - 25 Years Later	45	Andy Burns
18 Apr 25	Re: Shutdown - 25 Years Later	42	Lawrence D'Oliveiro
19 Apr 25	Re: Shutdown - 25 Years Later	41	Jim Jackson
19 Apr 25	Re: Shutdown - 25 Years Later	1	Lawrence D'Oliveiro
20 Apr 25	Re: Shutdown - 25 Years Later	39	Richard Kettlewell
20 Apr 25	Re: Shutdown - 25 Years Later	1	The Natural Philosopher
20 Apr 25	Re: Shutdown - 25 Years Later	37	Pancho
20 Apr 25	Re: Shutdown - 25 Years Later	1	Richard Kettlewell
20 Apr 25	Re: Shutdown - 25 Years Later	35	Computer Nerd Kev
20 Apr 25	Re: Shutdown - 25 Years Later	1	Computer Nerd Kev
21 Apr 25	Re: Shutdown - 25 Years Later	33	Lawrence D'Oliveiro
22 Apr 25	Re: Shutdown - 25 Years Later	32	Carlos E.R.
22 Apr 25	Re: Shutdown - 25 Years Later	22	The Natural Philosopher
22 Apr 25	Re: Shutdown - 25 Years Later	17	Carlos E.R.
22 Apr 25	Re: Shutdown - 25 Years Later	1	Pancho
22 Apr 25	Re: Shutdown - 25 Years Later	15	The Natural Philosopher
22 Apr 25	Re: Shutdown - 25 Years Later	4	Pancho
22 Apr 25	Re: Shutdown - 25 Years Later	2	The Natural Philosopher
23 Apr 25	Re: Shutdown - 25 Years Later	1	Pancho
22 Apr 25	Re: Shutdown - 25 Years Later	1	Lawrence D'Oliveiro
23 Apr 25	Re: Shutdown - 25 Years Later	10	candycanearter07
24 Apr 25	Re: Shutdown - 25 Years Later	9	Lawrence D'Oliveiro
25 Apr 25	Re: Shutdown - 25 Years Later	8	candycanearter07
26 Apr 25	Re: Shutdown - 25 Years Later	7	Lawrence D'Oliveiro
28 Apr 25	Re: Shutdown - 25 Years Later	6	John Ames
28 Apr 25	Re: Shutdown - 25 Years Later	4	Richard Kettlewell
29 Apr 25	Re: Shutdown - 25 Years Later	3	The Natural Philosopher
29 Apr 25	Re: Shutdown - 25 Years Later	2	Richard Kettlewell
29 Apr 25	Re: Shutdown - 25 Years Later	1	The Natural Philosopher
29 Apr 25	Re: Shutdown - 25 Years Later	1	Lawrence D'Oliveiro
22 Apr 25	Re: Shutdown - 25 Years Later	3	Richard Kettlewell
22 Apr 25	Re: Shutdown - 25 Years Later	1	Lawrence D'Oliveiro
23 Apr 25	Re: Shutdown - 25 Years Later	1	The Natural Philosopher
22 Apr 25	Re: Shutdown - 25 Years Later	1	Lawrence D'Oliveiro
22 Apr 25	Re: Shutdown - 25 Years Later	9	Lawrence D'Oliveiro
23 Apr 25	Re: Shutdown - 25 Years Later	8	Carlos E.R.
24 Apr 25	Re: Shutdown - 25 Years Later	7	Lawrence D'Oliveiro
25 Apr 25	Re: Shutdown - 25 Years Later	6	Carlos E.R.
26 Apr 25	Re: Shutdown - 25 Years Later	1	Lawrence D'Oliveiro
26 Apr 25	Re: Shutdown - 25 Years Later	4	The Natural Philosopher
26 Apr 25	Re: Shutdown - 25 Years Later	2	Richard Kettlewell
26 Apr 25	Re: Shutdown - 25 Years Later	1	Lawrence D'Oliveiro
26 Apr 25	Re: Shutdown - 25 Years Later	1	Lawrence D'Oliveiro
18 Apr 25	Re: Shutdown - 25 Years Later	2	The Natural Philosopher
19 Apr 25	Re: Shutdown - 25 Years Later	1	Lawrence D'Oliveiro

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