| The following typographical conventions are used in this book:
- Plain text
-
Indicates menu titles, menu options, menu buttons, and keyboard accelerators (such as Alt and Ctrl).
- Italic
-
Indicates new terms, URLs, email addresses, filenames, file extensions, pathnames, directories, and Unix utilities.
- Constant width
-
Indicates commands, options, switches, variables, attributes, keys, functions, types, classes, namespaces, methods, modules, properties, parameters, values, objects, macros, the contents of files, or the output from commands.
Constant width bold -
Indicates commands or other text that should be typed literally by the user.
- Constant width italic
-
Indicates 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. |
|
|
