* How is an OS bound to the Linux kernel
@ 2014-06-29 6:24 Gideon D'souza
2014-06-29 7:07 ` Martin Steigerwald
0 siblings, 1 reply; 2+ messages in thread
From: Gideon D'souza @ 2014-06-29 6:24 UTC (permalink / raw)
To: linux-kernel; +Cc: Geert Uytterhoeven
hey guys,
I generally manage to understand the various pieces of the linux
kernel and what their functions are.
However, one thing I don't fully understand is how is any OS, say
fedora (which is what I use) is bound to the kernel.
Lets say I want to just build a system on top of linux that boots and
keeps printing hello world to the screen. When the user presses a key
it exits.
How would I begin to do this? What should I read or look at?
I'm guessing it's a two part thing right, one I need to somehow tell
the kernel what to do after booting, and second I'll have to tell the
kernel what the screen is ? Where would I find more information about
this?
Note: I actually want to make the program I described so tips on how
to play with grub to get the whole thing to work would also be
helpful.
Regards,
Gideon
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: How is an OS bound to the Linux kernel
2014-06-29 6:24 How is an OS bound to the Linux kernel Gideon D'souza
@ 2014-06-29 7:07 ` Martin Steigerwald
0 siblings, 0 replies; 2+ messages in thread
From: Martin Steigerwald @ 2014-06-29 7:07 UTC (permalink / raw)
To: Gideon D'souza; +Cc: linux-kernel, Geert Uytterhoeven
Am Sonntag, 29. Juni 2014, 11:54:32 schrieb Gideon D'souza:
> hey guys,
Hi Gideon,
> I generally manage to understand the various pieces of the linux
> kernel and what their functions are.
>
> However, one thing I don't fully understand is how is any OS, say
> fedora (which is what I use) is bound to the kernel.
>
> Lets say I want to just build a system on top of linux that boots and
> keeps printing hello world to the screen. When the user presses a key
> it exits.
>
> How would I begin to do this? What should I read or look at?
>
> I'm guessing it's a two part thing right, one I need to somehow tell
> the kernel what to do after booting, and second I'll have to tell the
> kernel what the screen is ? Where would I find more information about
> this?
>
> Note: I actually want to make the program I described so tips on how
> to play with grub to get the whole thing to work would also be
> helpful.
Look for init= kernel parameter (there is a kernel-parameter documentation file
in kernel doc drawer).
And I suggest looking through things like Linux From Scratch. I am not sure
how useful this is to your case.
Ciao,
--
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
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2014-06-29 6:24 How is an OS bound to the Linux kernel Gideon D'souza
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