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Power tools

Power tools

In this chapter, you will learn the basics of two of the most powerful UNIX system tools: grep and find. You will also be introduced to a handful of other UNIX utilities that may make working on the computer more productive, more fun, or both.

Before you begin, you should feel comfortable with what you have learned so far. You should know how to move from directory to directory, how to list files, and how to read a long file listing. You should know how to use mail, cat, and vi. You should know how to manage your files, and how to modify their permissions.

Most importantly, you should be learning how to combine commands together with pipes, and how to use redirection to take input from, or put output into, a file. The commands you will learn in this chapter are powerful on their own, but they can be much more powerful when combined with some of the commands you have already learned.


Next topic: Searching for a file

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