test1

CICS for Programmers (4 days)

Designed for: Staff who will be writing command level CICS

Primary Objective: To write and test command level CICS programs

Overview of CICS
Function of an online system; controlling terminals, programs, and files; user interface with CICS; tables and RDO; domains. Basic mapping support: handling 3270 data; BMS macros: DFHMSD, DFHMDI, DFHMDF; creating the symbolic MAP; SDF II.

Compiling CICS programs
Coding CICS commands in a language; translator function and options. Design of application programs: language restrictions; conversational and pseudo-conversational design; Communications Area; Linkage Section; accessing time, system information.

Controlling the user's dialogue

Making use of the PF keys; HANDLE AID command, RESP function;


	terminal input and output. Processing error conditions: HANDLE CONDITION command; invoking transaction dumps. Passing data and control Logical program levels; LINK, RETURN, XCTL; inter-program communication; temporary storage; transient data queues. File handling: reading from and writing to datasets; VSAM browse; updating files; CICS strings; handling the spool. Operator commands Using the CEMT transaction: new programs, opening and closing files, etc. Testing and debugging Transaction abend codes; using EDF for testing; CECI; CEBR; CMSG. System standards and implementation How a program fits into a complete system; table entries for files, programs, transactions. Advice and recommendations: efficiency considerations; controlling the dialogue; validation and error reporting.

OS/390, JCL, DB2, CICS, VSAM, REXX

oakcomp@globalnet.co.uk