| The following typographical conventions are used in this book: -
- Plain text
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Indicates menu titles, menu options, menu buttons , and keyboard accelerators (such as Alt and Ctrl). -
- Italic
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Indicates new terms, URLs, email addresses, filenames, file extensions, pathnames, directories, and Unix utilities. -
- Constant width
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Indicates commands, options, switches, parameters, the contents of files, or the output from commands. -
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Constant width bold -
Shows commands or other text that should be typed literally by the user . -
- Constant width italic
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Shows text that should be replaced with user-supplied values. | | This icon signifies a tip, suggestion, or general note. | | | | This icon indicates a warning or caution. | | |