Mainframe, MVS and zOS Discussion

Page 1 of 20
- Jump to page:
1
2
3
4
5
…
20
Next

Recent Topics

Replies

Views

Last post

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

9774 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

10267 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

13944 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

7503 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

9653 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

7809 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

8128 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

8119 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

8892 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

5795 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

15410 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

20742 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

5989 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

434844 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

5823 Views

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

Announcements, Moderators & Guests

Topics

Posts

Last post

Site Announcements and Rules.
Announcements: A member should be concerned about. And the Rules you should follow.
Subforums: Downloads. , Applications
Topics: 99

99 Topics

541 Posts

Last post Re: Track memory leaks in lon…
by Robert Sample View the latest post
Mon Jan 12, 2026 8:24 pm
You are a Moderator.
If you are a Moderator you can login here.
Subforum: Website Team
Topics: 104

104 Topics

681 Posts

Last post by Anuj Dhawan View the latest post
Sat Mar 21, 2026 11:48 am
You are a Guest.
This Forum is for the guests or the users who are not registered on this board. This part allows guests to post in.
Topics: 61

61 Topics

223 Posts

Last post Re: Find the size of a PS fil…
by Robert Sample View the latest post
Thu Jul 06, 2023 10:07 pm

Languages

Topics

Posts

Last post

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

268 Topics

1421 Posts

Last post Re: COMP vs COMP‑3 arithmetic…
by enrico-sorichetti View the latest post
Sat Oct 11, 2025 4:43 pm
TSO, ISPF & REXX (Do you still do CLIST?!).
Time Sharing Option, Interactive System Productivity Facility and REstructured eXtended eXecutor
Moderator: mickeydusaor
Topics: 141

141 Topics

728 Posts

Last post Re: REXX EXECIO vs LINEIN — w…
by enrico-sorichetti View the latest post
Tue Jan 27, 2026 12:59 pm
Assembler & PL/I.
HLASM for MVS. PL/I for MVS & Enterprise PL/I for z/OS.
Subforum: C, C++ and Java for Mainframes.
Topics: 82

82 Topics

268 Posts

Last post Re: difference between PL/1 a…
by zum13 View the latest post
Wed Aug 21, 2024 2:17 am

Databases

Topics

Posts

Last post

IBM DB2 and IMS DB/DC
RDBMS from IBM and IBM's Hierarchical DBMS and Transaction Manager (IMS DC).
Topics: 208

208 Topics

848 Posts

Last post Re: Modify only the specific …
by LearnMainframe View the latest post
Tue Mar 24, 2026 12:56 pm
Other Databases on zOS.
Datacom, IDMS, Adabas, Oracle, FOCUS, NOMAD, TOTAL/SUPRA/ULTRA, Model 204, SQL/DS.
Topics: 25

25 Topics

61 Posts

Last post Re: Can some plz tel me about…
by Rahul View the latest post
Mon Apr 24, 2023 10:19 pm

Batch and Online

Topics

Posts

Last post

JCL - Job Control Language.
JES2/3, JCL, utilities.
Topics: 218

218 Topics

1072 Posts

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.
Customer Information Control System. Middleware and MQ Series.
Subforum: SMS & VSAM and BDAM, BSAM, QSAM, BPAM, ISAM, OAM.
Topics: 253

253 Topics

1072 Posts

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

Utilities & Tools

Topics

Posts

Last post

File-AID and IBM File Manager.
File-AID from Compuware and File Manager from IBM.
Topics: 35

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.
Topics: 103

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.
SyncSort's Sort Product, SyncTool for z/OS, SYNCINIT and SYNCLIST.
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.
Mainframe Application Testing, Offline testing and Tools. Xpediter, IBM Debugger.
Subforums: Application Change Control Software for MVS, OS/390 and z/OS. , Scheduling Software for MVS, OS/390 and zOS
Topics: 141

141 Topics

553 Posts

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

General

Topics

Posts

Last post

Introduce Yourself and Share Your IT Experience.
Meet and greet the other members here and introduce yourself to the world, the way you want -- pull up a chair and make yourself comfortable!
Topics: 146

146 Topics

441 Posts

Last post Re: MyOggradio
by BobP View the latest post
Mon Sep 30, 2024 10:22 am
IT News.
Latest IT News - Mainframes or Non-Mainframes.
Subforum: IT Certificates.
Topics: 747

747 Topics

843 Posts

Last post Re: IBM z/OS 3.1, an AI-infus…
by zum13 View the latest post
Wed Aug 09, 2023 8:59 pm
Other Mainframe Topics, Off-Topics, FAQs.
Other Mainframe related questions which attracts you and there is no suitable Forum you find for it and related FAQs.
Subforums: Programming Algorithms. , zLinux, USS and other Operating Systems for Mainframes.
Topics: 386

386 Topics

1689 Posts

Last post Re: How many years of experie…
by BearGFR View the latest post
Wed Jun 24, 2026 7:34 pm
Suggestions & Feedback : About the website.
Share your feedback and suggestions about the website here.
Subforums: Polls and Ideas. , Personal Computers - Mainframe related tools. , Thought of the Day, General Talk & Jokes.
Topics: 264

264 Topics

2142 Posts

Last post Happy Diwali!
by Anjali Chopra View the latest post
Mon Oct 20, 2025 10:15 am

Other Products for mainframes

Topics

Posts

Last post

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.
Topics: 25

25 Topics

81 Posts

Last post Re: CBT Tape files
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.
Topics: 23

23 Topics

227 Posts

Last post Re: DCB and DSCB.
by Robert Sample View the latest post
Mon Apr 30, 2018 4:58 pm
User Contributions.
Registered Members can share Internet Links and/or Documents on Mainframe Technologies here.
Subforums: COBOL , JCL , DB2 , IMS DB/DC , VSAM , REXX , SAS , Compiler , Assembler , Miscellaneous , The Books and The History. , Company Profiles. , The People.
Topics: 83

83 Topics

122 Posts

Last post Re: Joe Piscopo.
by aliciaazuri View the latest post
Wed Aug 16, 2023 10:00 pm

zDigital

Topics

Posts

Last post

zCloud Computing and related news
General Cloud Computing Discussion , Discussion on Vendor Specific Cloud Computing Tools for mainframes, Cloud Computing Certifications.
Subforum: SAS & Cloud Computing.
Topics: 41

41 Topics

102 Posts

Last post Re: Cloud computing and mainf…
by forgeahead View the latest post
Wed Jul 17, 2024 1:06 pm
DevOps for Mainframes and related news
General DevOps for Mainframes Discussion, Vendor Specific Cloud Computing Tools for mainframes, DevOps Certifications, IDz, Topaz, IBM DBB, Jenkins
Topics: 34

34 Topics

86 Posts

Last post Re: Git push failing with lar…
by Anuj Dhawan View the latest post
Tue Sep 23, 2025 12:16 am
Big Data for Mainframes and related news
Big Data implementation on Mainframes
Topics: 20

20 Topics

20 Posts

Last post Mesmerizing plush toy robots …
by Anuj Dhawan View the latest post
Sat May 04, 2019 1:29 am

Job Vacancies and Interview Questions.

Topics

Posts

Last post

Jobs
Subforums: Jobs for Fresh Graduates. , Jobs for Experienced Professionals. , Ask for Job Guidance and referrals here.
Topics: 267

267 Topics

395 Posts

Last post Re: Restarting Mainframe Care…
by earthwonders View the latest post
Fri Mar 27, 2026 1:14 am
Interview Questions.
All sort of Mainframes Interview Questions.
Topics: 222

222 Topics

1033 Posts

Last post Re: DSN=DUMMY versus DSN=FILE…
by zum13 View the latest post
Mon Feb 17, 2025 12:41 am

Flags

402 Users
199 Users
147 Users
143 Users
111 Users
102 Users
95 Users
94 Users
88 Users
86 Users

Information

Who was here

In total there were 411399 users online :: 2 registered, 0 hidden, 19 bots and 411378 guests (based on users active over the past 24 hours)
Most users ever online was 589225 between Wed 23. Jul 2025 and Thu 24. Jul 2025

Registered users: Robert Sample, Anuj Dhawan
Bots: Google [Bot] (2:14), UberMetrics [Bot] (2:13), Bing [Bot] (2:09), curl [Bot] (1:43), Facebook [Bot] (1:35), Tbot (1:28), DuckDuckGo [Bot] (1:13), Baidu [Spider] (1:09), Mojeek [Bot] (0:59), Yandex [Bot] (0:23), Google Images [Agent] (22:23), Proximic [Spider] (20:53), Java [Bad bot] (20:33), Bing Preview (19:36), Trident (19:35), Twitter [Crawler] (15:36), Google Feedfetcher (15:21), Gais [Bot] (13:42), ADmantX [Bot] (11:59)

Who is online

In total there are 9942 users online :: 6 registered, 0 hidden and 9936 guests (based on users active over the past 30 minutes)
Most users ever online was 35283 on Mon May 18, 2026 6:09 am
Statistics

Total posts 15572 • Total topics 4075 • Total members 51160 • Our newest member rabuaiandKaZok

Thanks Toplist — 5

Robert Sample (165), Anuj Dhawan (156), enrico-sorichetti (85), zum13 (44), William Collins (26)

Login • Register

Who was here

Who is online

Statistics

Thanks Toplist — 5