Environmental Influences on Command Syntax There are variations in the action of the control program, depending on whether commands are entered from the system prompt or from within the control program. For example, entering the annotation field of profile elements from the system prompt allows you to include internal spaces in an annotation. Function At System Prompt Inside Control Program _______________________________________________________________ Strings within quotation Supported Not required marks Wildcard substitution Supported Unsupported _______________________________________________________________ Some UNIX systems require that you place an escape symbol (\) before string binding delimiters such as brackets ([ ]) or that you place the delimiters within quotation marks (' ' or " ") at the system prompt.