This variable holds the name of the alias file to be used with the thin client. When the thin client is invoked, it is not given the name of a COBOL program to run. Rather, it is given the name of an alias to use. This alias holds all the information for invoking the runtime, which will be used to run the COBOL program. Refer to section 3.3.3 Creating a Server Alias File for information on creating the server alias file.