DDNAMES
DTXMRN is the only DDNAME recognized by the Command Server that contains the .mrn file specifications. A DD statement specifies the file name or path of the .mrn file.
To specify a resource name file for Batch
DTXMRN is the only DDNAME recognized by the Command Server that contains the .mrn file specifications. A DD statement specifies the file name or path of the .mrn file.
To specify a resource name file for Batch