The following is a list of the typographical conventions used in this book:
- Italic
Indicates new terms, URLs, email addresses, filenames, file extensions, pathnames, directories, and Unix utilities.
-
Constant width Indicates commands, options, switches, variables, functions, classes, namespaces, methods, modules, parameters, values, objects, the contents of files, or the output from commands.
-
Constant width 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.
You should pay special attention to notes set apart from the text with the following styles:
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