linux系统启动全过程.pdf
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From Power Up To Bash Prompt
Greg OKeefe,
gcokeefe@.au
v0.9, November 2000
This is a brief description of what happens in a Linux system, from the time that you turn on the
power, to the time that you log in and get a bash prompt. Understanding this will be helpful
when you need to solve problems or configure your system.
1. Introduction
2. Hardware
2.1 Configuration
2.2 Exercises
2.3 More Information
3. Lilo
3.1 Configuration
3.2 Exercises
3.3 More Information
4. The Linux Kernel
4.1 Configuration
4.2 Exercises
4.3 More Information
5. The GNU C Library
5.1 Configuration
5.2 Exercises
5.3 More Information
6. Init
6.1 Configuration
6.2 Exercises
6.3 More Information
7. The Filesystem
7.1 Configuration
7.2 Exercises
7.3 More Information
8. Kernel Daemons
8.1 Configuration
8.2 Exercises
8.3 More Information
9. System Logger
9.1 Configuration
9.2 Exercises
9.3 More Information
10. Getty and Login
10.1 Configuration
10.2 Exercises
11. Bash
11.1 Configuration
11.2 Exercises
11.3 More Information
12. Commands
13. Conclusion
14. Administrivia
14.1 Copyright
14.2 Homepage
14.3 Feedback
14.4 Acknowledgements
14.5 Change History
14.6 TODO
1. Introduction
I find it frustrating that many things happen inside my Linux machine that I do not
understand. If, like me, you want to really understand your system rather than just knowing
how to use it, this document should be a good place to start. This kind of background
knowledge is also needed if you want to be a top notch Linux problem solver.
I assume that you have a working Linux box, and understand some basic things about Unix
and PC hardware. If not, an excellent place to start learning is Eric S. Raymonds The Unix and
Internet Fundamentals HOWTO It is short, very readable and covers all the basics.
The main thread in this document is how Linux starts itself up. But it also tries
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