Conventions used in this manual
Examples of messages and prompts written by the program, as well as examples
of user typed input are displayed in typewriter type style
.
User typed input is usually displayed in the colour
blue
.
Messages and variables created by the program are usually displayed in the colour
orange
.
Curly brackets, { }
, enclose parameters that are
optional and/or have default values, and indicate that it is not necessary to enter these
parameters.
Vertical bars, |
, separate choices for command parameters.
Curly brackets and vertical bars should not be entered with commands.
Parentheses, ( )
, besides being used in
mathematical expressions, also enclose formats.
The back slash, \ , separates a command from a command qualifier or a parameter from its qualifier.
Literal quote strings can be delimited by the opening quote,
`
, and the single quote,
'
, or by the single quote at the beginning
and the end, or by the double quote, "
,
at the beginning and the end. For example, `ABC'
,
'ABC'
, and
"ABC"
are all valid literal quote strings.
Parentheses, the back slash and quotes must be included where indicated.