Conventions Used in This Book

The following font conventions are used in this book:

Italic

Used for pathnames, filenames, program names, Internet addresses such as domain names and URLs, and new terms where they are defined.

Constant Width

Used for command lines and options that should be typed verbatim, and names and keywords in program examples. Also used for parameters, attributes, configuration file elements, expressions, statements, and values.

Constant-Width Italic

Used for replaceable terms, such as variables or optional elements, within syntax lines.