Understanding the Linux Kernel
Résumé
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
Understanding the Linux Kernel, Second Edition will acquaint you with all the inner workings of Linux, but is 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. If knowledge is power, then this book will help you make the most of your Linux system.
Contents
- 1. Introduction
- 2. Memory Addressing
- 3. Processes
- 4. Interrupts and Exceptions
- 5. Kernel Synchronization
- 6. Timing Measurements
- 7. Memory Management
- 8. Process Address Space
- 9. System Calls
- 10. Signals
- 11. Process Scheduling
- 12. The Virtual Filesystem
- 13. Managing I/O Devices
- 14. Disk Caches
- 15. Accessing Files
- 16. Swapping: Methods for Freeing Memory
- 17. The Ext2 and Ext3 Filesystems
- 18. Networking
- 19. Process Communication
- 20. Program Execution
- A. System Startup
- B. Modules
- C. Source Code Structure
L'auteur - Daniel P. Bovet
Daniel P. Bovet has a Ph.D. in computer science from UCLA, and is currently a full professor at the University of Rome. He has been interested in
open source for over 25 years and has spent the last few years trying to unravel some of the mysteries of Linux. It seemed natural after all that work
to write a book about what he found out.
L'auteur - Marco Cesati
Marco Cesati has a degree in mathematics and a Ph.D. in
computer science from the University of Rome. He is
currently a research assistant in the
computer science department of the School of Engineering at
the University of Rome. In the past he was system
administrator and Unix programmer
for the university and for several institutions.
Caractéristiques techniques
PAPIER | |
Éditeur(s) | O'Reilly |
Auteur(s) | Daniel P. Bovet, Marco Cesati |
Parution | 14/01/2003 |
Édition | 2eme édition |
Nb. de pages | 766 |
Format | 17,5 x 23,5 |
Couverture | Broché |
Poids | 1090g |
Intérieur | Noir et Blanc |
EAN13 | 9780596002138 |
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