From owner-freebsd-questions  Thu Nov 15  3: 1:34 2001
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To: Dmitry Mottl <dima@sinp.msu.ru>
Cc: freebsd-questions@FreeBSD.org
Subject: Re: question about ps 
In-Reply-To: Your message of "Thu, 15 Nov 2001 13:07:12 +0300."
             <3BF393D0.4090209@sinp.msu.ru> 
Date: Thu, 15 Nov 2001 11:01:30 +0000
From: Ian Dowse <iedowse@maths.tcd.ie>
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In message <3BF393D0.4090209@sinp.msu.ru>, Dmitry Mottl writes:
>Hi, All
>
>how ps does it's work?
>
>why it can lists processes even,
>when I have no /proc and /dev/kmem?

I believe it uses the "kern.proc.all" sysctl which returns information
about all processes in a binary format. If you don't want users to
be able to see users' processes with ps, set the sysctl
"kern.ps_showallprocs" to 0, i.e:

	# sysctl -w kern.ps_showallprocs=0


Ian

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