z/OS UNIX file abnormal disposition specification - Key = '801B'

DALPCDS specifies the abnormal z/OS® UNIX file disposition desired. You can code DALPCDS only when you also code the pathname (DALPATH) key.

When you code DALPCDS, # and LEN must be 1, PARM contains one of the following values:
Example: To specify an abnormal disposition of file: deletion, code
KEY    #     LEN   PARM
801B   0001  0001  04