Linux System Configuration (Part 2)

摘要

Let's start with some definitions. In Part 1 of this article series I talked about configuring the kernel. The kernel is the nerve center of a Linux system (i.e., the OS). But the OS needs applications to do real work. You need web servers, user interfaces, I/O processing, and other logic encapsulated in applications to do the actual work. After you configure and build the kernel, applications need to be selected and then built for your particular kernel and processor. Linux provides many open-source applications to help fulfill your design. As a system designer, you need to choose which applications you want to go into your embedded system. Of course, if your processor is infinitely fast and has an unlimited amount of RAM and flash memory, you can just skip this article. Others may need to learn more.