Mainframe Pertanyaan dan Jawaban Wawancara
Ques 16. Explain the concept of a REXX (Restructured Extended Executor) in mainframes.
REXX is a programming language used for scripting and automation in the mainframe environment.
Example:
REXX script: ADDRESS TSO 'SUBMIT JOBNAME'
Ques 17. What is the purpose of the IGGCSI00 utility in mainframes?
IGGCSI00 is a utility used for defining and managing the system catalog in a DB2 environment on mainframes.
Example:
IGGCSI00 JCL: //SYSIN DD * RUN PROGRAM(DSNTIAUL) PLAN(DSNTIUL1) ...
Ques 18. Explain the purpose of the IDCAMS REPRO command in mainframes.
The IDCAMS REPRO command is used to copy data from one VSAM dataset to another in mainframes.
Example:
IDCAMS REPRO command: REPRO INFILE(IN_DATASET) OUTFILE(OUT_DATASET)
Ques 19. What is the function of the SYNCSORT utility in mainframes?
SYNCSORT is a utility used for sorting, merging, and copying datasets similar to DFSORT in mainframes.
Example:
SYNCSORT JCL: //SORTSTEP EXEC PGM=SYNCSORT ...
Ques 20. Explain the purpose of the JES (Job Entry Subsystem) in mainframes.
JES is a component in mainframes responsible for receiving, scheduling, and managing batch jobs.
Example:
JES command: //SYSOUT DD SYSOUT=A
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