Conventions Used in This Book

1.2 Conventions Used in This Book

This pocket reference follows certain typographic conventions, outlined here:

Constant Width

Used for code examples, commands, directory names, and options.

Constant Width Italic

Used in syntax and command summaries to show replaceable text; this text should be replaced with user-supplied values.

Constant Width Bold

Used in code examples to show commands or other text that should be typed literally by the user.

Italic

Used to show generic arguments and options; these should be replaced with user-supplied values. Italic is also used to highlight comments in examples, to introduce new terms, and to indicate filenames.

$

Used in some examples as the Bourne shell or Korn shell prompt.

[ ]

Surround optional elements in a description of syntax. (The brackets themselves should never be typed.)