CICS/ESA Command Level Programming Courses and other IT courses from TEKsystems Education Services

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Course Code:	CI 02
Course Abstract:	This course provides an introduction to IBM's CICS Command Level Programming interface. All primary CICS commands are covered in this course. This course consists of a combination of lecture and programming workshops, using the COBOL command level interface. By the end of this course, the participant will have an excellent understanding of what can be done from a CICS program and will be prepared to write and maintain CICS command level programs.
Audience:	This course is designed for Programmers, analysts, and managers who want an understanding of CICS Command Level Programming.
Duration:	5 days
Learning Outcomes:	Upon completion of this course, the participant will be able to: > Recognize the components of CICS as well as the purposes of the major table entries required > Differentiate between on-line and batch programming concepts and why the pseudo-conversational method of CICS programming is preferred > Design and code formatted screen definitions using basic mapping support (BMS) > Recognize the purpose of the Communication Area in passing storage between programs and between tasks > Develop complete application programs using a number of the terminal control, program control, basic mapping support, and file control commands
Course Topics:	CICS Concepts and Facilities Definition of CICS Overview of key IBM CICS publications CICS concepts and components CESN and CSSN transactions Batch vs. on-line coding concepts Defining CICS resources (Transactions, Programs, Files, etc.) EXEC CICS command format Translate, compile and link process Execute Interface Block (EIB) fields COBOL restrictions and working with the Linkage Section Basic Commands ASKTIME and FORMATTIME ASSIGN HANDLE CONDITION and IGNORE CONDITION Using the NOHANDLE option and EIBRESP Terminal control RECEIVE and SEND HANDLE AID SAMPLE Program and CICS Supplied Transactions Walk-through of a sample CICS program listing CEMT - master terminal transaction CECI - command level interpreter CEDF - execution diagnostic facility CMAC - messages and codes display Basic Mapping Support (BMS) BMS overview DFHMSD, DFHMDI and DFHMDF macros Sample screen and BMS program Overview of the BMS assembly process SEND and RECEIVE MAP commands DFHBMSCA copybook (attribute keywords) Program Control RETURN command Overview of the communication area (DFHCOMMAREA) Conversational vs pseudo-conversational concepts LINK and XCTL commands File Control Commands READ, REWRITE, DELETE, UNLOCK and WRITE commands STARTBR, READNEXT, READPREV and ENDBR commands Updating during a Browse Temporary Storage And Transient Data Overview of temporary storage WRITEQ, READQ, and DELETEQ command for TS CEBR Transaction Overview of transient data WRITEQ, READQ, and DELETEQ command for TD Additional Commands and Functions XPEDITER Overview, if desired Interval control START and RETRIEVE commands SUSPEND, SYNCPOINT, ENQ and DEQ commands GETMAIN and FREEMAIN commands ADDRESS command ABEND command CICS abend codes Multiple Region Operation (MRO) Programming tips and suggestions
Prerequisites:	An understanding of the mainframe environment is assumed (familiarity with TSO/ISPF, JCL, compiling and linking programs, etc.). It is assumed that the participant knows COBOL, but no CICS programming experience is necessary.

CICS/ESA Command Level Programming Course

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