CICS ⭐ Featured
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Q: What is ABEND command?

Answer:
ABEND deliberately terminates. EXEC CICS ABEND ABCODE('XXXX'). Causes transaction abend with code. NODUMP suppresses dump. CANCEL removes HANDLE ABEND first. Use for unrecoverable errors.
abend terminate error
JCL ⭐ Featured
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Q: What causes S222 abend?

Answer:
S222 is job cancelled by operator or system. S222-02 means JOB CANCEL command. S222-04 means TSO CANCEL. S222-08 means FORCE. Not program error - external intervention. Check with operations if unexpected.
s222 cancel abend
COBOL
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Q: Explain CALL statement and parameters

Answer:
CALL invokes subprogram: CALL 'SUBPROG' USING param-1 param-2. BY REFERENCE (default) passes address. BY CONTENT passes copy. BY VALUE passes value (for C). ON EXCEPTION handles load failures. CANCEL releases memory.
call subprogram parameters
CICS
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Q: What is HANDLE ABEND?

Answer:
HANDLE ABEND traps abends. EXEC CICS HANDLE ABEND PROGRAM(abend-prog) or LABEL(abend-para). Allows cleanup before termination. CANCEL removes handler. Use for graceful error handling.
abend handle recovery