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Chapter 5. I/O redirection‌

This chapter describes more about the powerful UNIX mechanism of redirecting input, output and errors. Topics include:

♦ Standard input, output and errors

♦ Redirection operators

♦ How to use output of one command as input for another

♦ How to put output of a command in a file for later referrence

♦ How to append output of multiple commands to a file

♦ Input redirection

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