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The Linux Command Line by William E. Shotts Jr.

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Final Note

As always, check out the documentation of each of the commands we have covered in this chapter. We have seen only their most basic usage, and they all have a number of interesting options. As we gain Linux experience, we will see that the redirection feature of the command line is extremely useful for solving specialized problems. Many commands make use of standard input and output, and almost all command-line programs use standard error to display their informative messages.

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