JCL
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Q: What is STEPLIB vs JOBLIB?

Answer:
JOBLIB at job level provides program libraries for all steps. STEPLIB at step level overrides JOBLIB for that step. STEPLIB takes precedence. Both searched before LINKLIST. Multiple libraries concatenated. DDN must be STEPLIB/JOBLIB exactly.
steplib joblib libraries
JCL
👁 0

Q: What causes S806 abend?

Answer:
S806 is module not found. Check: program name spelling, STEPLIB/JOBLIB correct, library exists and contains module, module link-edited properly, aliases defined. S806-04 means not in JOBLIB/STEPLIB/LINKLIST.
s806 module not-found