Tips & Techniques > Systems Management

Tuning to Improve CICS Performance With Real or Virtual Storage

While CPU cycle and I/O constraints create many performance issues and technology has provided large increases in virtual and real storage, these resources still cause performance problems. This article will explain steps to improve performance when real or virtual storage constraints exist. » FULL STORY

September 2007 | by Jim Schesvold

CICS Security With RACF

Tips & Techniques | There’s much flexibility, and hence potential complexity, in the security definitions available to control CICS multiregion security.

March 2008

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Going Commando in CICS

e-Newsletter Exclusive | Among all the IBM products available for z/OS, CICS implements one of the most comprehensive and detailed security exploitations of RACF.

December 2007

Securing the CICS Environment With RACF

Tips & Techniques | In my career I worked in RACF administration for a few years without ever encountering the complexities of RACF grouping classes that CICS uses. When I finally did, I found it difficult to understand at first.

November 2007

Customizing Your ISPF Environment

Tips & Techniques | This article will show you how to customize your ISPF environment. To start, let’s dive in to some commands we’re going to need, specifically the ALTLIB and the LIBDEF commands.

September 2007

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Exploring TSO and ISPF

Tips & Techniques | A better understanding of the logon process is helpful when diagnosing problems in TSO/ISPF

July 2007

CICS Performance Tuning

Technical Corner | Depending on I/O intensity, file tuning can improve CICS transaction response time and throughput more than any other aspect of tuning.

July 2007