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Preface > Conventions Used in This Book

Conventions Used in This Book

The following conventions are used in this book:

Italic

Used for new terms and concepts when they are introduced.

Constant Width

Used for program listings, as well as within paragraphs to refer to program elements such as statements, classes, macros, states, rules, all code terms, and files and directories.

Constant Bold

Shows commands or other text that should be typed literally by the user.

Constant width italic

Shows text that should be replaced with user-supplied values or by values determined by context.

$

is the shell prompt.

[]

surround optional elements in a description of program syntax. (Don’t type the brackets themselves.)

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