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Old 11-20-2007, 04:27 PM   #1
Registered: Dec 2004
Distribution: Red hat linux 9
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Starting up linux procedure

Greetings everybody,
can you tell me in more details how exactly linux OS is booting?
I'm particulary interested how window system (graphical enviroment) is started. I can see that immediately after starting up processes there is localhost login shown briefly and then window system is started? I want to know in which configurations files these startup instructions is placed.
Why in some systems, one must manually type startx to boot GUI enviroment?

Thanks in advance.
Old 11-20-2007, 04:47 PM   #2
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Registered: Aug 2003
Location: Glasgow
Distribution: Fedora / Solaris
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Take a look in /etc/inittab .

You should see a line like:
That means your default runlevel is '5'
Somewhere below that you should see a line like:
x:5:respawn:/etc/X11/prefdm -nodaemon
That means that in runlevel 5, run '/etc/X11/prefdm -nodaemon', which is the graphical login.

That's from Fedora, so your distro may have a different runlevel set, or may run a different command to start the graphical login.



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