A detailed study of Linux processes and daemons could be a major undertaking. Where worthy volumes on the topic have admirably succeeded, a relatively brief chapter may pale in comparison. Yet in this chapter, we tried to put on a real-world, down-to-earth, practical coat on everything we've considered to make up for our possible shortcomings in the abstract or scholarly realm.
At this point, we hope you are comfortable working with processes and daemons. The skills you've gathered so far should include a relatively good grasp on process types and internals, with a reasonable understanding of process attributes and states. Special attention has been paid to interprocess communication mechanisms, and signals in particular. For each of these topics, we did a practical dive and explored the related commands, tools, and scripts that we thought would be relevant in everyday Linux administration tasks.
The next chapter will take our journey further into working with...