Murach's CICS for the COBOL Programmer

Chapter 2 Introduction to CICS
How a CICS program works 26
The operation of the customer inquiry program 26
How conversational programming works 30
How pseudo-conversational programming works 32
How to code CICS commands 34
COBOL statements that aren't supported under CICS 36
The specifications and BMS mapset for an inquiry program 38
The program overview 38
The screen layout 38
The BMS mapset 40
The symbolic map 44
The design and COBOL code for the inquiry program 48
The event/response chart 48
The structure chart 48
The Execute Interface Block 50
The DFHAID copy member 50
The COBOL code 52
The CICS commands used in the program 60
The SEND MAP and RECEIVE MAP commands 60
The READ command 62
The RETURN, XCTL, and ABEND commands 64
How to develop a CICS program 66
A procedure for developing a CICS program 66
How to prepare a program for execution 68
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Murach's CICS for COBOL

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