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Understanding the Linux Kernel, 3rd Edition View Larger Image | Daniel P. Bovet, Marco Cesati
O'Reilly Media, Paperback, 3rd edition, Published November 2005, 923 pages, ISBN 0596005652 | List Price: $49.95
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In order to thoroughly understand what makes Linux tick and why it works so
well on a wide variety of systems, you need to delve deep into the heart of
the kernel. The kernel handles all interactions between the CPU and the external
world, and determines which programs will share processor time, in what order.
It manages limited memory so well that hundreds of processes can share the system
efficiently, and expertly organizes data transfers so that the CPU isn't kept
waiting any longer than absolutely necessary for the relatively slow disks.
The third edition of Understanding the Linux Kernel takes you on a guided
tour of the most significant data structures, algorithms, and programming tricks
used in the kernel. Probing beyond superficial features, the authors offer valuable
insights to people who want to know how things really work inside their machine.
Important Intel-specific features are discussed. Relevant segments of code are
dissected line by line. But 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.
This edition of the book covers Version 2.6, which has seen significant changes
to nearly every kernel subsystem, particularly in the areas of memory management
and block devices. The book focuses on the following topics:
- Memory management, including file buffering, process swapping, and Direct
memory Access (DMA)
- The Virtual Filesystem layer and the Second and Third Extended
- Filesystems
- Process creation and scheduling
- Signals, interrupts, and the essential interfaces to device drivers
- Timing
- Synchronization within the kernel
- Interprocess Communication (IPC)
- Program execution
Understanding the Linux Kernel will acquaint you with all the inner workings
of Linux, but it's more than just an academic exercise. You'll learn what conditions
bring out Linux's best performance, and you'll see how it meets the challenge
of providing good system response during process scheduling, file access, and
memory management in a wide variety of environments. This book will help you
make the most of your Linux system.
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