Thread: General

Batch vs online - what is the difference?

Started by Jordan • user2 replies250 viewsLast activity 2 weeks ago
Post #1
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Jordan
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Joined: May 2, 2026, 11:10 AM
Posted: Aug 1, 2026, 10:08 AM

People say "that is batch" or "that is online." I think online means CICS screens and batch means JCL jobs overnight. Is that close enough?

Post #2
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James
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Joined: May 2, 2024, 8:00 AM
Posted: Aug 1, 2026, 12:08 PM

Close enough for week one.

Batch = job runs without a user sitting there, usually scheduled, reads/writes files or DB2, ends.
Online = interactive transaction, someone hits Enter, CICS runs a program, sends a map back.

Same COBOL skills show up in both. The runtime wrapper differs.

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