Conventions Used in This Book
The following typographical conventions are used in this book:
- Italic
- Indicates new terms, URLs, email addresses, filenames, and file extensions.
-
Constant width
- Used for program listings, as well as within paragraphs to refer to program elements such as variable or function names, databases, data types, environment variables, statements, and keywords.
-
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 or by values determined by context.
Note
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Warning
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