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1. VAE with Three Address Spaces . . . . . . . . . . . . . . . . . . . . . . . . 6
2. VAE with Four Address Spaces
. . . . . . . . . . . . . . . . . . . . . . . . . 7
3. VSE/ESA Storage Layout
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4. OS/390 Storage Layout
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5. Migration Team
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
6. Progressive versus Mass Conversion
..................... 49
7. Nonstandard Labels Supported by VSE
. . . . . . . . . . . . . . . . . . . 107
8. Extract from WSC Flash 9741
. . . . . . . . . . . . . . . . . . . . . . . . . 113
9. OS/390 Master and User Catalog Structure
. . . . . . . . . . . . . . . . 116
10. OS/390 VSAM Integrity Provided by Cross-Region Shareoptions
.... 126
11. Example of an MVS CICS/OS System using MRO
............. 136
12. CICS Domains
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
13. Log Stream Choices Resulting from Hardware and Software Used
.. 146
14. MVS Data Sets used by CICS
......................... 146
15. DL/I Functions Requiring Attention when Migrating to IMS/VS
..... 169
16. Steps in Migrating DL/I Databases to IMS/ESA
.............. 177
17. VTAM Start Procedure
............................. 187
18. Comparison of IBM COBOLs
......................... 250
19. Compiler Options Comparison DOS/VS COBOL and COBOL for OS/390
and VM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
20. Recommended COBOL for OS/390 and VM Compiler Options for
Converted VS COBOL II Programs
...................... 262
21. Compiler Options Comparison VS COBOL II and COBOL for OS/390
and VM
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
22. Reserved Words in COBOL for OS/390 and VM and not in DOS/VS
COBOL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
23. Reserved Words in COBOL for OS/390 and VM for Unsupported
Features
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
24. Compiler Directing Words in COBOL for OS/390 and VM
........ 264
25. Reserved Words in COBOL for OS/390 and VM and not in VS COBOL II 265
26. Reserved Words in COBOL for OS/390 and VM for Object-Oriented
COBOL Extensions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
27. VSE Subroutine Linkage
............................ 270
28. MVS Subroutine Linkage
........................... 271
29. Sample Initiation Termination Coding
.................... 274
30. VSE and MVS Time Degrees of Precision
................. 279
31. Comparison of the DTFCD and DCB Macros
................ 295
32. Card File Macros in VSE and MVS
...................... 295
33. Card File Programs in VSE and MVS
.................... 296
34. Comparison of the DTFPR and DCB Macros
................ 297
35. Comparison of the DTFMT and DCB Macros
................ 302
36. Tape File Programs in VSE and MVS
.................... 303
37. Comparison of DTFDI and DCB macros
................... 304
38. Comparison of the DTFSD and DCB Macros
................ 310
39. Sequential DASD FILE Program in VSE and MVS
............. 311
40. Comparison of DTFDA and DCB Macros
.................. 312
41. VSE Error Bytes and MVS Exception Code Bits
.............. 313
42. Record Reference by ID in VSE and MVS
.................. 317
43. Record Reference by KEY in VSE and MVS
................ 318
44. Updating a DAM File under MVS
....................... 318
45. Adding to a DAM File under MVS
...................... 319
Copyright IBM Corp. 1998 xvii