Conventions Used in This Book

The following typographical conventions are used in this book:


Italic

Indicates commands, example URLs, passwords, error messages, filenames, emphasis, and the first use of technical terms


Constant width

Indicates IP addresses and Unix command-line examples


Constant width bold italic

Indicates replaceable text


Constant width bold

Indicates user input

This icon signifies a tip, suggestion, or general note.


This icon indicates a warning or caution.