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Michael McCallister

"openSUSE Linux Unleashed"

While the kernel boots, openSUSE
Linux puts up a nice blue wallpaper to hide all the boring text that scrolls by as the kernel
initializes first your peripheral hardware, then the hard drive and attending file systems,
followed by the serial ports. Press the Esc key to watch the boot process unfold.
As a user, or even as an administrator, you don??™t have much direct interaction with the
Linux kernel. You run applications, which occasionally interact with the kernel to get things
done. In the kernel??™s view of things, an application is simply a process, one of many it deals
with. The father of all processes, which the kernel loads soon after the kernel itself loads, is
called init, located in the /sbin directory. The rest of the boot process (and later, the shutdown
process) is really handled by init, not the kernel. All other processes are started by
init or one of its child processes. init is centrally configured by the /etc/inittab file.
After activating the serial ports, the kernel runs a series of boot scripts, located at
/etc/_rc.d/boot.


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