Conventions Used in This Book
The following typographical conventions are used in this book:
- Italic
Used for filenames, directory names, table names, field names, and URLs. It is also used for emphasis and for the first use of a technical term.
-
Constant width Used for examples and to show the contents of files and the output of commands.
-
Constant width italic Used in syntax descriptions to indicate user-defined items.
-
Constant width bold Indicates user input in examples showing an interaction.
- UPPERCASE
In syntax descriptions, usually indicates keywords.
- lowercase
In syntax descriptions, usually indicates user-defined items such as variables.
- [ ]
In syntax descriptions, square brackets enclose optional items.
- { }
In syntax descriptions, curly brackets enclose a set of items from which you must choose only one.
- |
In syntax descriptions, a vertical bar separates the items enclosed in curly or square brackets, as in {TRUE | FALSE}.
- ...
In syntax descriptions, ellipses indicate repeating elements.
Tip
Indicates a tip, suggestion, or general note.
Warning
Indicates a warning or caution.
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