In Chapter 2, you looked at the /sys filesystem in Linux and wrote a simple app to extract information from it. In this chapter, you are going to take a look at another system directory called /proc. The /proc directory is also known as procfs, and it contains useful information about processes that are currently running. The kernel uses it as an information center for all related processes.
In this chapter, you will learn how to do the following:
Look at the different information available inside procfs
