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, file extensions, pathnames, and directories.
-
Constant width Indicates commands, options, switches, variables, attributes, keys, functions, 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.
- Gray type
Used to indicate a cross-reference within the text.
Tip
This icon signifies a tip, suggestion, or general note.
Warning
This icon indicates a warning or caution.
The thermometer icons, found next to each hack, indicate the relative complexity of the hack:
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