Following are examples of the typographical and graphic conventions used in this guide:
Functions, utility program names, standard names,
and classes.
Option flags
Variables.
and then shown this way.
Commands that are entered by the user are preceded in this manual by the characters $ (dollar sign followed by space). If your system uses this sequence as a prompt, then the commands will appear exactly as you see them in the manual. If your system uses some other prompt, then the command will appear with the $ replaced by whatever prompt character you are using.