 
0.5. Conventions Used in This Book
The following conventions are used in this book:
- Italic
- 
Used for program names, URLs, and database entities, and for new
terms when they are defined
- Constant width
- 
Used for code examples, functions, statements, and attributes, and to
show the output of commands
- Constant width italic
- 
Used to indicate variables within commands and functions
TIP: 
This icon designates a note, which is an important aside to the
nearby text.
WARNING: 
This icon designates a warning relating to the nearby text.
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| 0.4. How to Use This Book |  | 0.6. How to Contact Us | 
 
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