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Part: V Advanced Command-Line Concepts > Advanced Unix Shell Use: Configuration...

Chapter 18. Advanced Unix Shell Use: Configuration and Programming (Shell Scripting)

In This Chapter

In the preceding several chapters, we have introduced you to the wide range of possibilities inherent in being able to access the Unix subsystem at the command line. Although we've said that being able to type to the command line can give you the power to do things that you've never been able to do before, we've also repeatedly hinted that there were ways that you could automate much of the typing and build your own mini programs. In this chapter, we'll cover the final things you need to know to make this a reality.

As in previous chapters, we'll focus on the use of csh/tcsh syntax and programming. Most available shells can do things similar to what we will cover here, although the syntax might be somewhat different. A few (such as ksh) can do considerably more, although a complete description of their use is sufficient to fill a book or two.

You might not realize it yet, but you already know shell syntax. To make the best use of the command-line environment, you'll also need to know about shell variables, conditional statements, and looping structures.


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