In this short chapter, you learned how to use the kernel to manage hardware on your server. The most important lesson about the kernel that you should have learned is to work with the default kernel and keep it that way! Also, you learned how the udev system uses the sys file system to communicate with the kernel and properly initialize hardware on your server. There is more to working with the kernel than what you have read here. In Chapter 31, you will learn how you can tune the kernel for optimal performance, and in Chapter 10 you learned how to make sure the kernel is loaded with the right options when booting your server. In the next chapter, you will learn how to use shell scripting to alleviate your work as a Linux administrator.


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