1 DFHDCT TYPE=SDSCI ,DSCNAME=name 2? ,BLKSIZE=length 3? 3 ,BUFNO= 3.1! 1 3.1? 3.1 number 4? 4 ,ERROPT= 4.1! IGNORE 4.1? 4.1 SKIP 5? 5 ,RECFORM= 5.1 FIXUNB 5.1 FIXUNBA 5.1 FIXUNBM 5.1 FIXBLK 5.1 FIXBLKA 5.1 FIXBLKM 5.1 VARBLK 5.1 VARBLKA 5.1 VARBLKM 5.1 VARUNB 5.1 VARUNBA 5.1 VARUNBM 6? ,RECSIZE=length 7? 7 ,REWIND= 7.1 LEAVE 7.1 REREAD 8? 8 ,TYPEFLE= 8.1! INPUT 8.1? 8.1 OUTPUT 8.1 RDBACK