1.2 Conventions

Following are examples of the typographical and graphic conventions used in this guide:

• * Functions, utility program names, standard names, and classes.
• * Option flags
• * File names
• * Variables
• * `Emphasis'
• * [optional information or parameters]
• * Examples are described by text

  and then shown this way.
  

• * Commands that are entered by the user are shown as preceded by a prompt string comprising the $ character followed by a space.