CICS ⭐ Featured
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Q: Explain LINK vs XCTL

Answer:
LINK calls program and returns. EXEC CICS LINK PROGRAM(name). Calling program resumes after LINK. XCTL transfers permanently - no return. EXEC CICS XCTL PROGRAM(name). Use LINK for subroutines, XCTL for navigation.
link xctl transfer
JCL ⭐ Featured
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Q: What is FILEDATA parameter?

Answer:
FILEDATA specifies DCB for NFS/USS. FILEDATA=TEXT or BINARY. TEXT handles line endings. BINARY transfers unchanged. On PATH DD statements. Affects how data converted between systems.
filedata uss binary