July 2001
Intermediate to advanced
224 pages
5h 17m
English
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Understanding the Boot Process
Typically, a computer boots in three stages:
The hardware is initialized by software closely tied to the hardware.
The kernel is loaded into RAM by the kernel loader.
The kernel itself runs, further initializing the hardware, and then runs the application software.
BIOS
When power is applied to an embedded Linux device, the hardware goes through a series of events that ends with the processor in some sort of reset state. When the hardware releases the processor from the reset state, it begins executing instructions at a known location. These instructions are normally stored in ROM or flash memory. On a PC, these instructions are called the BIOS. The BIOS code is responsible for getting the hardware on the PC ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.