The Linux kernel is designed as a mixture of a monolithic binary image and a micro-kernel. This combination allows for the best of both worlds. On the monolithic side, all the code for the kernel to work with the user and hardware is already installed and ready for fast access, but the downside is that to add more functionality you need to rebuild the entire kernel. In a different manner, a micro-kernel is composed of small pieces of code that can be meshed today and more pieces can be added or removed as needed. However, the downside to micro-kernel is a slower performance. Adding a module to the Kernel Linux is organized as both monolithic, one huge binary, and micro-kernel, as you can add more functionality to it. The process of adding more functionality to the kernel can be illustrated by the crude image to the left. The process begins by using the command insmod with the name of the kernel module you want (which usually ends with ex...
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