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Part: V Advanced Command-Line Concepts > Advanced Shell Concepts and Commands

Chapter 14. Advanced Shell Concepts and Commands

In This Chapter

Now that we've covered the use of some of the most common Unix commands and their individual options and quirks, it's time to step back and examine some of the factors that affect the use of all shell commands.

In this chapter, we'll cover the Unix permission system, whereby you can control who is allowed to access your files, and what access rights they have.

We'll also cover process management from the command line, including how to identify and terminate processes that are causing problems for you.

Finally, we'll cover one of the most powerful shell formalisms, the notion of input and output redirection. This formalism is the root of much of the real power of the Unix command line. You should think about how commands that you've already learned might be enhanced by what you learn in that section when you reach it.


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