xix
italic
is used for names of variables to which you assign values, for function
parameters, and for structure names and fields. Italic is also used for
comments in screen displays and examples, and to introduce new
terms.
courier
is used for system output (for example, screen displays, reports),
examples, and system prompts.
<Enter>, <Return> or <CR>
represents the carriage return or Enter key.
Ctrl
represents the Control key. Execute control characters by pressing the
Ctrl key and the letter simultaneously, for example, Ctrl-d.
