JCL
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Q: What is TYPRUN parameter?

Answer:
TYPRUN options: SCAN (syntax check, no execution), HOLD (submit but hold), COPY (copy JCL to SYSOUT), JCLHOLD (hold with JCL). TYPRUN=SCAN validates JCL without running. Useful for testing complex JCL before production.
typrun testing scan
JCL
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Q: How to use JCLTEST?

Answer:
TYPRUN=JCLTEST validates JCL without execution. Checks syntax, dataset names, authorization. Some systems support TYPRUN=SCAN which is similar. Submit job and check messages. No resources actually allocated.
jcltest validation testing