B. For More Information
Many sources of information on the Unix system are available; however, we have selectively listed some titles and Web sites here of particular value to shell programmers. All Web sites and URLs are valid as of the publication of this book, but as is often the case on the Internet, some may not be available by the time you read this.
There is one reference that you cannot do without. This is the Unix documentation for your particular system. It gives detailed descriptions on the syntax and various options for each of the commands.
Online Documentation
If a printed version of your system’s documentation isn’t available, you can use the man command ...
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