Format 1: OPEN statement for sequential files 1 OPEN 2+ 2.0 INPUT 2.0.1+ 2.0.1 file-name-1 2.0.1.1? 2.0.1.1 REVERSED (1) 2.0.1.1? WITH 2.0.1.1.1 NO REWIND (1) 2.0 OUTPUT 2.0.1+ 2.0.1 file-name-2 2.0.1.1? WITH 2.0.1.1.1 NO REWIND 2.0 I-O 2.0.1+ 2.0.1 file-name-3 2.0 EXTEND 2.0.1+ 2.0.1 file-name-4