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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.