Outputs to the terminal.
||Optional A string literal to output to the terminal. No string delimiters are required for a string literal. If text is omitted, O outputs a line return.
PROC command outputs a literal string to the user terminal. By default, the text
string is followed by a line return. The optional + character suppresses the line return following text
Commonly, the space between the command name and the text is omitted, as shown in the following example:
OInvalid Response - please re-enter.
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