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Linux Inside Author: 0xAX (Alex) Author’s twitter account: https://twitter.com/0xAX Web page: https://0xax.gitbooks.io/linux-insides/ License: Creative Commons
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Do you want to know more about the Linux kernel? Would you like some insights into what goes on behind the scenes, so to speak? Well, then this book is for you. The book tackles low level programming in the kernel. If ever you were curious about your CPU and how it works, well, there is some of that in here too. If you are unsure if this is something you would like to read, I suggest reading the introduction. Bear in mind that you would have to have a fleeting knowledge of Assembler and C. That said, the explanations are clear, so you do not need to know the in-and-outs of these languages to follow along. There are also references given to books you can read if at any time you want to brush up your knowledge on any of the subjects covered in this book.
The step-by-step approach is covered in detail and you immediately know that the author has experience at every one of these steps. Speaking of every step, the author provides links after each of these steps for you to engross yourself in. This is the reason it has taken me so long to read this book as it speaks to the ADHD part of my brain, and SQUIRREL! Yes, if you are like me and do not have ADHD, all these interesting links will have you flitting across sections of the book like a butterfly in a field of flowers. I also found myself Searching the internet for terms I did not know. Good thing this is an online book! If English is not your first language, keep another browser tab open. This, again, will contribute to your ADHD. The third thing to make you feel like an ADHD kid is there are Wikipedia links embedded into the text at all levels. The nice thing is that at any stage you can highlight something and click the plus-sign to add a comment.
If all this is too distracting for you, you have the option to download the book as a PDF-file. Do not be fooled, there is no light reading here. These are facts and code cut right to the bone. If you have ever read – I am using that term VERY lightly, as nobody reads them – CPU developer references, you may understand why this book exists. It is a calm patch in a sea of turmoil. There is a road you can follow that takes you from start to finish, even though there are “side quests”. It feels structured and well thought out. Staying with my RPG metaphor, when you level up your Linux knowledge, this is the way to do so. Do not feel bad having to re-read anything. I am actually making an appointment in my calendar to re-read this.
Since this book is free, I encourage you to get it, read it, forget about it, and read it again. The reason I am saying this is because the book is not 100% complete. You will find sections that still have to be written. If this is your thing, then jump right in, I look forward to reading your insights. Otherwise, there is plenty to keep your mind occupied in the meantime.
Since the book is incomplete, I will not rate it, but so far, it is a must-have book for any Linux enthusiast!