- Paperback: 784 pages
- Publisher: O'Reilly Media; 2 edition (24 Dec 2002)
- Language French
- ISBN-10: 0596002130
- ISBN-13: 978-0596002138
- Product Dimensions: 28.3 x 17.8 x 3.5 cm
- Average Customer Review: 4.5 out of 5 stars See all reviews (2 customer reviews)
- Amazon Bestsellers Rank: 951,268 in Books (See Top 100 in Books)
- See Complete Table of Contents
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Product Description
Product Description
To thoroughly understand what makes Linux tick and why it's so efficient, you need to delve deep into the heart of the operating system--into the Linux kernel itself. The kernel is Linux--in the case of the Linux operating system, it's the only bit of software to which the term "Linux" applies. The kernel handles all the requests or completed I/O operations and determines which programs will share its processing time, and in what order. Responsible for the sophisticated memory management of the whole system, the Linux kernel is the force behind the legendary Linux efficiency.
The new edition of Understanding the Linux Kernel takes you on a guided tour through the most significant data structures, many algorithms, and programming tricks used in the kernel. Probing beyond the superficial features, the authors offer valuable insights to people who want to know how things really work inside their machine. Relevant segments of code are dissected and discussed line by line. The book covers more than just the functioning of the code, it explains the theoretical underpinnings for why Linux does things the way it does.
The new edition of the book has been updated to cover version 2.4 of the kernel, which is quite different from version 2.2: the virtual memory system is entirely new, support for multiprocessor systems is improved, and whole new classes of hardware devices have been added. The authors explore each new feature in detail. Other topics in the book include:
- Memory management including file buffering, process swapping, and Direct memory Access (DMA)
- The Virtual Filesystem and the Second Extended Filesystem
- Process creation and scheduling
- Signals, interrupts, and the essential interfaces to device drivers
- Timing
- Synchronization in the kernel
- Interprocess Communication (IPC)
- Program execution
From the Publisher
The new edition of Understanding the Linux Kernel takes you on a guided tour through the most significant data structures, many algorithms, and programming tricks used in the kernel. The book has been updated to cover version 2.4 of the kernel, which is quite different from version 2.2: the virtual memory system is entirely new, support for multiprocessor systems is improved, and whole new classes of hardware devices have been added. You'll learn what conditions bring out Linux's best performance, and how it meets the challenge of providing good system response during process scheduling, file access, and memory management in a wide variety of environments.
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Customer Reviews
Most Helpful Customer Reviews
Format:Paperback
Beautifully written, gives enough to delve deeper without overwhelming. The authors comeo out as experts who understand their subject briefly. If you have to buy ONE book on the kernel, buy this one!
4 of 6 people found the following review helpful
Format:Paperback
No doubt it's a tough task writing about the horrible mess that is the Linux kernel. Does a good job of sticking to the principles as much as possible, and adding details that are specific to 2.0, 2.2 and 2.4 kernels.
Most Helpful Customer Reviews on Amazon.com (beta)
Amazon.com:
13 reviews
13 of 13 people found the following review helpful
mixed, other books are better
4 May 2005
Format:Paperback
I've been reading kernel books for nearly 20 years -- this is not recommended.
Some of the chapters and explanations I liked, others I felt were dry and lacking. The code examples seem to run through a non-deterministic preprocessor -- the code is supposed to describe 2.4.18, but the code snippets don't quite match the actual code (while generally working the same way, the algorithms/loop structure are often rewritten and the macros are sometimes expanded). I find it very useful when books comment on actual code examples, this is "kinda massaged code" -- I found it very frustrating when I actually looked at the kernel tree when they had snippets in the book.
I often found it necessary to look at the actual code to give more context (but the code rarely matched verbatim -- very strange). And when they did rewrite algorithms, I found the kernel 2.4.18 source to be MORE lucid.
The explanations without code were adequate, and I found some to be illuminating. Perhaps since the book has two authors, different authors wrote different chapters? (I liked some chapters and didn't like others).
If you want a general understanding of how kernels work, Andy Tanenbaum's "Operating Systems: Design and Implementation" where he elaborates on Minix is very useful -- with a complete Minix system (Minix is more of a teaching tool, which it does well, Linus looked at lMinix and wanted a more useful system, hence Linux).
I found Robert Love's "Linux Kernel Development" very good (I read the 1st edition, still need to read the second edtion). And Linux Device Drivers (Corbet and Rubini) is very good and has excellent examples (but the examples may need some work to build on a current kernel -- had this problem with the 2nd edition).
Some of the chapters and explanations I liked, others I felt were dry and lacking. The code examples seem to run through a non-deterministic preprocessor -- the code is supposed to describe 2.4.18, but the code snippets don't quite match the actual code (while generally working the same way, the algorithms/loop structure are often rewritten and the macros are sometimes expanded). I find it very useful when books comment on actual code examples, this is "kinda massaged code" -- I found it very frustrating when I actually looked at the kernel tree when they had snippets in the book.
I often found it necessary to look at the actual code to give more context (but the code rarely matched verbatim -- very strange). And when they did rewrite algorithms, I found the kernel 2.4.18 source to be MORE lucid.
The explanations without code were adequate, and I found some to be illuminating. Perhaps since the book has two authors, different authors wrote different chapters? (I liked some chapters and didn't like others).
If you want a general understanding of how kernels work, Andy Tanenbaum's "Operating Systems: Design and Implementation" where he elaborates on Minix is very useful -- with a complete Minix system (Minix is more of a teaching tool, which it does well, Linus looked at lMinix and wanted a more useful system, hence Linux).
I found Robert Love's "Linux Kernel Development" very good (I read the 1st edition, still need to read the second edtion). And Linux Device Drivers (Corbet and Rubini) is very good and has excellent examples (but the examples may need some work to build on a current kernel -- had this problem with the 2nd edition).
16 of 18 people found the following review helpful
GOOD FOR ANYONE INTERESTED IN 'KERNEL 2.4 VERSION'
23 Mar 2003
Format:Paperback
Oh yes! This Second of Edition of "Understanding the Linux Kernel" featured a variety of new additions. The most significant being the inclusion of all those attributes, which distinguished the 2.4 kernel version from the 2.2 one.
This new edition also revised some of the staples of its predecessor, like: individual components of data structures, programming pathways, and interdependent algorithms. Its pattern is just as dynamic as that of the First Edition: with expanded elaborations on all those programming and performance tips.
In all, this is a good book to consider, if you are seeking Linux Kernel knowledge. But, if you already own the previous edition, and do not plan to adopt the Kernel 2.4 version, then there is no wisdom in spending on this one.
This new edition also revised some of the staples of its predecessor, like: individual components of data structures, programming pathways, and interdependent algorithms. Its pattern is just as dynamic as that of the First Edition: with expanded elaborations on all those programming and performance tips.
In all, this is a good book to consider, if you are seeking Linux Kernel knowledge. But, if you already own the previous edition, and do not plan to adopt the Kernel 2.4 version, then there is no wisdom in spending on this one.
11 of 14 people found the following review helpful
Indepth-coverage of a complex system
15 Aug 2003
Format:Paperback
As the title suggests, the author explains concepts
in the linux operating system by using C code.
in the linux operating system by using C code.
You need to be able to read C code inorder to understand
the material in the book.
It can get a bit tiring after a while considering that
the author really wants YOU to know LINUX.
The effort is worth it!
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