Date: Wed, 23 Apr 2003 07:00:53 +1000 (EST) From: Andy Farkas <andyf@speednet.com.au> To: Sergey Zaikov <Sergey_Zaikov@p66.f5.klax.tsu.tula.ru> Cc: "Questions@freebsd.Org" <Questions@freebsd.org> Subject: Re: the ps utility and cron Message-ID: <20030423065742.G26299-100000@hewey.af.speednet.com.au> In-Reply-To: <1051024696@p66.f5.n5022.z2.fidonet>
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On Tue, 22 Apr 2003, Sergey Zaikov wrote:
> I have a question about a key -x from man ps(1).
> The reason of my question may be: misunderstanding man ps(1), errata at man
> ps(1) or error in ps utility.
>
> (My FreeBSD version:
> FreeBSD acc.acc.tula.ru 4.7-RELEASE FreeBSD 4.7-RELEASE #38: Thu Mar 20
> 09:31:30 MSK 2003 acc107_3@acc.acc.tula.ru:/usr/obj/usr/src/sys/Z i386)
>
> Man ps (1) says:
> [*SKIP*]
> -x Display information about processes without controlling termi-
> nals.
> [*SKIP*]
> A processes, started from cron, is processes without controlling terminals. (Or
> I samething don't understand:)
> So:
> $> ps -ax -U acc107_3
> must diplays it and
> $>ps -a -U acc107_3
> should don't displays this processes.
>
The -U flag forces the -x flag. This is not documented in the manpage.
See /usr/src/bin/ps/ps.c for details.
--
:{ andyf@speednet.com.au
Andy Farkas
System Administrator
Speednet Communications
http://www.speednet.com.au/
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