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Preface > Conventions Used in This Book

Conventions Used in This Book

This book uses the following typographical conventions:


Plain text

Indicates menu titles, menu options, and menu buttons.


Italic

Indicates new terms, URLs, email addresses, filenames, pathnames, and directories.


Constant width

Indicates commands, options, switches, variables, attributes, keys, functions, file extensions, utilities, the contents of files, and the output from commands.


Constant width bold

Shows commands or other text that you should type literally.


Constant width italic

Shows text that you should replace with user-supplied values.

This icon signifies a tip, suggestion, or general note.


This icon indicates a warning or caution.


The thermometer icons, found next to each hack, indicate the relative complexity of the hack:

beginner
moderate
expert


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