linux-kernel - Re: kernel processes - are they really needed?

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Message-ID: <Pine.LNX.4.61.0710241125490.18050@chaos.analogic.com>
Date:	Wed, 24 Oct 2007 11:30:17 -0400
From:	"linux-os \(Dick Johnson\)" <linux-os@...logic.com>
To:	"Ram" <vshrirama@...il.com>
Cc:	<linux-kernel@...r.kernel.org>
Subject: Re: kernel processes - are they really needed?

On Wed, 24 Oct 2007, Ram wrote:

> Hi,
>    When i do ps -l. i see the following processes which are obviously
> started by kernel.
>
>   Could any one tell me what each of these processes do and can
> anyone of them can be removed.?
>
> PID  Uid     VmSize Stat Command
>    1 root        584 S   init
>    2 root            SWN [ksoftirqd/0]
>    3 root            SW  [watchdog/0]
>    4 root            SW< [events/0]
>    5 root            SW< [khelper]
>    6 root            SW< [kthread]
>   23 root            SW< [kblockd/0]
>   38 root            SW  [pdflush]
>   39 root            SW  [pdflush]
>   40 root            SW< [kswapd0]
>   41 root            SW< [aio/0]
>   85 root            SW  [mtdblockd]
>  116 root            SWN [jffs2_gcd_mtd9]
> Regards,
> ram
> -

Init is the 'mother' of all processes. It sleeps using
no resources until some other process terminates. At
that time,...............learn about Unix somewhere else.

Other tasks are essential as well.

Cheers,
Dick Johnson
Penguin : Linux version 2.6.16.24 on an i686 machine (5592.59 BogoMips).
My book : http://www.AbominableFirebug.com/
_

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