This field defines the name by which the parameter is known to the person running the program and which can be used on the command line to specify a value for the parameter. It will also be used to refer to the parameter in prompts and error messages. Case is not significant in keywords - they are always displayed in upper case.
The field is of the form:
where name is a valid keyword3.KEYWORD name
This completes the separation between the program's view of parameters, and the user's view of them. It is possible for the programmer to re-write the program using completely different parameter names, but the user's view could be kept the same by just changing the parameter names in the Interface File. Similarly, the user's view of the program can be changed by just changing the KEYWORD fields.
If the KEYWORD field is not specified for a parameter, then the system will use the parameter name as the keyword.
ADAM Interface Module Reference Manual