How do you reference the following file formats from COBOL programs:
Fixed Block File, Fixed Unblock File, Variable Block File, Variable Unblock File, ESDS VSAM File, KSDS VSAM File, RRDS File, Printer File

Fixed Block File: The fixed block file is referenced by using
- ORGANIZATION IS SEQUENTIAL
- RECORDING MODE IS F
- BLOCK CONTAINS 0

Fixed Unblock File: The fixed unblock file is referenced by using
- ORGANIZATION IS SEQUENTIAL
- RECORDING MODE IS F

Variable Block File: The variable block file is referenced by using
- ORGANIZATION IS SEQUENTIAL
- RECORDING MODE IS V
- BLOCK CONTAINS 0
- Never code 4 bytes as record length in FD, as JCL record length will be max record length in program + 4

Variable Unblock File: The variable block file is referenced by using
- ORGANIZATION IS SEQUENTIAL
- RECORDING MODE IS V
- Never code 4 bytes as record length in FD, as JCL record length will be max record length in program + 4

ESDS VSAM File: This file is referenced by using
- ORGANIZATION IS SEQUENTIAL
KSDS VSAM file: This files is referenced by using
- ORGANIZATION IS INDEXED
- RECORD KEY IS
- ALTERNATE RECORD KEY IS

RRDS File: This file is referenced by using
- ORGANIZATION IS RELATIVE
- RELATIVE KEY IS

Printer File: This file is referenced by using
- ORGANIZATION IS SEQUENTIAL
- RECORDING MODE IS F
- BLOCK CONTAIN 0