Unlike some operating systems, Linux doesn’t try to hide the important bits from you—it gives you full control of your computer. But to truly master Linux, you need to understand its internals, like how the system boots, how networking works, and what the kernel actually does.

In this third edition of the bestselling How Linux Works, author Brian Ward peels back the layers of this well-loved operating system to make Linux internals accessible. This edition has been thoroughly updated and expanded with added coverage of Logical Volume Manager (LVM), virtualization, and containers.

You'll learn:

• How Linux boots, from boot loaders to init (systemd)
• How the kernel manages devices, device drivers, and processes
• How networking, interfaces, firewalls, and servers work
• How development tools work and relate to shared libraries
• How to write effective shell scripts

You’ll also explore the kernel and examine key system tasks inside user space, including system calls, input and output, and filesystems. With its combination of background, theory, real-world examples, and patient explanations, How Linux Works, 3rd edition will teach you what you need to know to solve pesky problems and take control of your operating system.

与一些操作系统不同，Linux并不试图对你隐藏重要的部分，它让你完全控制你的电脑。但要真正掌握Linux，你需要了解它的内部结构，如系统如何启动，网络如何工作，以及内核的实际作用。

在这本畅销书《Linux如何工作》的第三版中，作者布莱恩-沃德剥开了这个广受欢迎的操作系统的层层面纱，使Linux的内部结构变得容易理解。本版经过彻底更新和扩展，增加了对逻辑卷管理器（LVM）、虚拟化和容器的报道。

你会学到

- Linux如何启动，从启动加载器到init（systemd）。

- 内核如何管理设备、设备驱动程序和进程

- 网络、接口、防火墙和服务器如何工作

- 开发工具如何工作以及与共享库的关系

- 如何编写有效的shell脚本

你还将探索内核并研究用户空间内的关键系统任务，包括系统调用、输入和输出以及文件系统。凭借其背景、理论、真实世界的例子和耐心的解释的结合，《Linux如何工作》第三版将教会你解决讨厌的问题和控制你的操作系统所需的知识。

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