Conventions Used in This Book

The following conventions are used in this book:

Italic

Used for file and directory names and URLs, and for the first mention of new terms under discussion.

Constant width

Used for code examples.

Constant width italic

In some code examples, indicates an element (e.g., a filename) that you supply.

The following icon is used in this book:

Tip

Indicates a tip, suggestion, or general note.