The following typographical conventions are used in this book:
-
Constant width
Is used to indicate command-line computer output, computer-generated messages, and code examples. It is also used when referring to parameters in text.
-
Constant width italic
Is used to indicate variables in examples and text, and comments in examples.
-
Constant width bold
Is used to indicate user input in examples.
- Italic
Is used to introduce new terms and to indicate URLs, variables or files and directories, commands, file extensions, filenames, and directory names.
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