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SMF 30 and subtype V.
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REXX EXECIO vs LINEIN — when is EXECIO faster?
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Happy Republic Day India!
by Anjali Chopra » Mon Jan 26, 2026 11:57 am » in General » Other Mainframe Topics, Off-Topics, FAQs.
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Variable‑length records in VSAM KSDS
by Aditi Patwal » Mon Oct 06, 2025 6:46 pm » in Batch and Online » CICS, Middleware and MQ Series. » SMS & VSAM and BDAM, BSAM, QSAM, BPAM, ISAM, OAM. - 3 Replies
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Track memory leaks in long COBOL jobs
by Abhilash Sharma » Mon Jan 12, 2026 1:30 pm » in Announcements, Moderators & Guests » Site Announcements and Rules. - 1 Replies
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Testing field migrations safely
by Vibha » Thu Jan 08, 2026 12:30 am » in Utilities & Tools » Testing Tools, Mainframe Application Testing, Abends Solution & QA. - 0 Replies
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Multi‑volume VSAM clusters—safe?
by Abhay Gadkari » Tue Jan 06, 2026 1:30 am » in Batch and Online » CICS, Middleware and MQ Series. » SMS & VSAM and BDAM, BSAM, QSAM, BPAM, ISAM, OAM. - 1 Replies
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Audit trail for batch updates
by Aarohi Saxena » Wed Dec 31, 2025 12:30 am » in General » Other Mainframe Topics, Off-Topics, FAQs. - 1 Replies
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Avoid RUN‑TIME STACK overflow
by Abhishek Awasthi » Tue Dec 30, 2025 12:30 am » in General » Other Mainframe Topics, Off-Topics, FAQs. - 1 Replies
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speculation about interfacing REST API from rexx
by Pablo-Fuentes » Wed Dec 03, 2025 3:11 pm » in Languages » TSO, ISPF & REXX (Do you still do CLIST?!).
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Happy Diwali!
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COMP vs COMP‑3 arithmetic surprises
by Aakash Kochar » Sat Oct 11, 2025 2:59 pm » in Languages » IBM COBOL, GnuCOBOL (OpenCOBOL), OOCobol. - 1 Replies
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Tools for testing in mainframes
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