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Preface > Conventions Used in This Book

Conventions Used in This Book

The following typographical conventions are used in this book:


Bold

Used for commands, programs, and options. All terms shown in bold are typed literally.


Italic

Used to show arguments and variables that should be replaced with user-supplied values. Italic is also used to indicate new terms, URLs, filenames, file extensions, directories, and to highlight comments in examples.


Constant Width

Used to show the contents of files or the output from commands.


Constant Width Bold

Used in examples and tables to show commands or other text that should be typed literally by the user.


Constant Width Italic

Used in examples and tables to show text that should be replaced with user-supplied values.

These signify a tip, suggestion, or general note.

These indicate a warning or caution.


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