Mainframe, MVS and zOS Discussion

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Testing field migrations safely

Last post by BearGFR « Wed Jun 24, 2026 7:39 pm
Replies: 1
by Vibha » Thu Jan 08, 2026 12:30 am » in Utilities & Tools » Testing Tools, Mainframe Application Testing, Abends Solution & QA.

1 Replies

9697 Views

Last post by BearGFR
Wed Jun 24, 2026 7:39 pm
How many years of experience do you have working with mainframes?

Last post by BearGFR « Wed Jun 24, 2026 7:34 pm
Replies: 1
by zMainframes » Mon Mar 11, 2024 3:57 pm » in General » Other Mainframe Topics, Off-Topics, FAQs.

Rating: 3.8%

1 Replies

10177 Views

Last post by BearGFR
Wed Jun 24, 2026 7:34 pm
Copy all the members of a PDS into a single PS file

Last post by BearGFR « Wed Jun 24, 2026 6:57 pm
Replies: 1
by Vibha » Sun Aug 04, 2024 6:42 pm » in Batch and Online » JCL - Job Control Language.

1 Replies

13812 Views

Last post by BearGFR
Wed Jun 24, 2026 6:57 pm
CICS transaction timeout tuning

Last post by BearGFR « Wed Jun 24, 2026 6:53 pm
Replies: 1
by Abhay Gadkari » Mon Oct 06, 2025 6:45 pm » in Batch and Online » CICS, Middleware and MQ Series. » SMS & VSAM and BDAM, BSAM, QSAM, BPAM, ISAM, OAM.

1 Replies

7429 Views

Last post by BearGFR
Wed Jun 24, 2026 6:53 pm
High Availability in mainframes

Last post by BearGFR « Wed Jun 24, 2026 6:46 pm
Replies: 2
by Priyank Sharma » Sat Jul 26, 2025 1:40 pm » in General » Other Mainframe Topics, Off-Topics, FAQs.

2 Replies

9580 Views

Last post by BearGFR
Wed Jun 24, 2026 6:46 pm
One PROC used by dozens of jobs — best pattern to pass job-specific parms?

Last post by BearGFR « Wed Jun 24, 2026 6:09 pm
Replies: 1
by Aarohi Saxena » Sun Oct 05, 2025 12:18 am » in Batch and Online » JCL - Job Control Language.

1 Replies

7725 Views

Last post by BearGFR
Wed Jun 24, 2026 6:09 pm
Calling a REST API from REXX on z/OS

Last post by BearGFR « Wed Jun 24, 2026 5:50 pm
Replies: 1
by Abhilash Sharma » Mon Oct 06, 2025 6:41 pm » in General » Other Mainframe Topics, Off-Topics, FAQs.

1 Replies

8071 Views

Last post by BearGFR
Wed Jun 24, 2026 5:50 pm
IDCAMS - HowTo force an Abend if MAXCC GT 0

Last post by BearGFR « Wed Jun 24, 2026 5:12 pm
Replies: 3
by jschreier » Sun Feb 15, 2026 3:05 pm » in Batch and Online » JCL - Job Control Language.

3 Replies

8073 Views

Last post by BearGFR
Wed Jun 24, 2026 5:12 pm
Restarting Mainframe Career

Last post by earthwonders « Fri Mar 27, 2026 1:14 am
Replies: 4
by earthwonders » Wed Mar 25, 2026 6:33 am » in Job Vacancies and Interview Questions. » Jobs » Ask for Job Guidance and referrals here.

Rating: 3.8%

4 Replies

8829 Views

Last post by earthwonders
Fri Mar 27, 2026 1:14 am
Claude and Mainframes

Last post by Anuj Dhawan « Thu Mar 26, 2026 11:41 pm
Replies: 1
by LearnMainframe » Tue Mar 24, 2026 12:49 pm » in General » Other Mainframe Topics, Off-Topics, FAQs.

1 Replies

5738 Views

Last post by Anuj Dhawan
Thu Mar 26, 2026 11:41 pm
Question on MERGE in SORT.

Last post by enrico-sorichetti « Tue Mar 24, 2026 2:09 pm
Replies: 4
by LearnMainframe » Tue May 21, 2024 8:57 am » in Utilities & Tools » SyncSort, SyncTool, SyncGener.

4 Replies

15362 Views

Last post by enrico-sorichetti
Tue Mar 24, 2026 2:09 pm
Modify only the specific ROWs in DB2 table.

Last post by LearnMainframe « Tue Mar 24, 2026 12:56 pm
Replies: 2
by LearnMainframe » Mon Oct 07, 2024 12:30 pm » in Databases » IBM DB2 and IMS DB/DC

Rating: 3.8%

2 Replies

20705 Views

Last post by LearnMainframe
Tue Mar 24, 2026 12:56 pm
spammers, I give up

Last post by enrico-sorichetti « Sun Mar 15, 2026 5:19 pm

by enrico-sorichetti » Sun Mar 15, 2026 5:19 pm » in General » Other Mainframe Topics, Off-Topics, FAQs.

0 Replies

5937 Views

Last post by enrico-sorichetti
Sun Mar 15, 2026 5:19 pm
REXX EXECIO vs LINEIN — when is EXECIO faster?

Last post by enrico-sorichetti « Tue Jan 27, 2026 12:59 pm
Replies: 6
by Anushka Sharma » Sun Sep 28, 2025 7:20 pm » in Languages » TSO, ISPF & REXX (Do you still do CLIST?!).

6 Replies

434789 Views

Last post by enrico-sorichetti
Tue Jan 27, 2026 12:59 pm
Happy Republic Day India!

Last post by Anuj Dhawan « Tue Jan 27, 2026 12:52 pm
Replies: 1
by Anjali Chopra » Mon Jan 26, 2026 11:57 am » in General » Other Mainframe Topics, Off-Topics, FAQs.

Rating: 3.8%

1 Replies

5770 Views

Last post by Anuj Dhawan
Tue Jan 27, 2026 12:52 pm

Announcements, Moderators & Guests

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223 Posts

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IBM COBOL, GnuCOBOL (OpenCOBOL), OOCobol.
OS/VS COBOL, COBOL II, Enterprise COBOL for z/OS. OpenCOBOL and OOCobol.
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268 Topics

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by enrico-sorichetti View the latest post
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TSO, ISPF & REXX (Do you still do CLIST?!).
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IBM DB2 and IMS DB/DC
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Last post Re: Modify only the specific …
by LearnMainframe View the latest post
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Other Databases on zOS.
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25 Topics

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Batch and Online

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JCL - Job Control Language.
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Last post Re: Copy all the members of a…
by BearGFR View the latest post
Wed Jun 24, 2026 6:57 pm
CICS, Middleware and MQ Series.
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253 Topics

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Last post Re: CICS transaction timeout …
by BearGFR View the latest post
Wed Jun 24, 2026 6:53 pm

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File-AID and IBM File Manager.
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35 Topics

174 Posts

Last post Re: Creating XREF for IMS DBD…
by zum13 View the latest post
Fri Feb 02, 2024 9:57 pm
IBM DFSort, ICETOOL, ICEMAN, ICEGENER.
IBM's Sort Product, ICETOOL, ICEMAN and ICEGENER.
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103 Topics

466 Posts

Last post SORT to split file by record …
by Ankit Gupta View the latest post
Sun Sep 28, 2025 7:20 pm
SyncSort, SyncTool, SyncGener.
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Topics: 49

49 Topics

251 Posts

Last post Re: Question on MERGE in SORT.
by enrico-sorichetti View the latest post
Tue Mar 24, 2026 2:09 pm
Testing Tools, Mainframe Application Testing, Abends Solution & QA.
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141 Topics

553 Posts

Last post Re: Testing field migrations …
by BearGFR View the latest post
Wed Jun 24, 2026 7:39 pm

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Mon Sep 30, 2024 10:22 am
IT News.
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Wed Aug 09, 2023 8:59 pm
Other Mainframe Topics, Off-Topics, FAQs.
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Wed Jun 24, 2026 7:34 pm
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Other Products for mainframes

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AppStore & Mainframes, Simulators and Emulators.
Anything about Mainframes - it's going away to Dinosaur is still roaring! To discuss/develop Mainframes Apps on/for Android Apps, Google Play Store and Mac App Store. Tools related to Mainframes usable on other Platforms like Windows, Android or Mac, Linux.
Subforum: Hercules, z390, zCOBOL, CBT Tape Files.
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by Md.Imtiaz View the latest post
Sat Aug 14, 2021 1:31 am
Tip Of the Day.
A Mainframe-Tip a Day keeps the bugs away!
Subforums: Follow up on Tips , Terminology is Important.
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