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SAMS Teach Yourself Unix in 10 Minutes by Robert Shimonski

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Even More Help!

Just when you thought you couldn't find any more help, there is more…there is even a built-in help system for specific commands. Why would you use this if you already know how to use the man pages? Well, the man pages aren't as easy to use as the built-in help system because they take more time to load and aren't as quick to reference. For many Unix-based commands if you need to find help, --help provides the information you need. In some cases, it might even be as simple as just typing –h, or -?. Remember, Unix distributions can have small differences, and you may be able to abbreviate in one distribution whereas in another, you may not. In addition, this method may not work if the help system is damaged or unavailable.

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