| ### What to look for

So, what is it you are looking for? You are looking for all the places where two-digit years might have an impact.

### Logic Comparisons Sorts Calculations Record keys Table ordering | ### Physical Data Flat Files (VSAM, QSAM, ... Databases (DB2, IMS) Archived data files Control tables (CICS)
### Batch and on-line JCL, including parameters File sort control "cards" Online screens Reports and layouts System date requests | ### Data Record Layouts Program Working Storage Cross-program linkage area Copybooks/shared files Date literals Database definition and layout design Control "cards"

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