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IBM System z and Mainframe Systems News
May 05, 2009
In the early 1960s, IBM took a risk to develop the System/360, the precursor to the modern mainframe. Over 45 years later, IBM can point to unbroken mainframe compatibility.
August 19, 2008
At a recent conference in San Jose for the Share user group, there was a fitness session every morning. A group of mainframers gathered together at 6 a.m. to go for a jog or walk. Here is a light-hearted video on the aging mainframe workforce.
August 13, 2008
An IBM-sponsored contest two years ago introduced Texas A&M University graduate student Christian McArthur to the mainframe, and he hasn't looked back since. This series of videos features MacArthur discussing job prospects and his take on the ...
June 16, 2008
HP's latest fault-tolerant Integrity NonStop servers may rival the IBM mainframe. They come on a c-Class BladeSystem blade for mainframe-level availability in a more cost-effective and energy-efficient platform.
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OLTP (online transaction processing) is a class of software programs capable of supporting transaction-oriented applications on the Internet. Continue Reading
An abend (a combining of two words, abnormal end, when operator messages were as short as possible) is an abnormal, rather than planned, end or termination of a computer program because of some problem with how it is running. Continue Reading
COBOL (Common Business Oriented Language) was the first widely-used high-level programming language for business applications. Many payroll, accounting, and other business application programs written in COBOL over the past 35 years are still in ... Continue Reading
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In information technology, legacy applications and data are those that have been inherited from languages, platforms, and techniques earlier than current technology. Most enterprises who use computers have legacy applications and databases that ... Continue Reading
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The CICS dump table feature, which maintains tables for transaction and system dumps, can be useful for diagnosing and managing problems in online systems when the information you need isn't available through default channels. Continue Reading
Are mainframe software costs too high or does software productivity and reduced labor costs lead to lower mainframe total cost of ownership (TCO)? Robert Crawford argues that capacity-based licensing leads to expensive mainframe hardware upgrades ... Continue Reading
Using transaction classes is a great way to manage CICS workloads that come in varying or unpredictable increments. Learn how to define transaction classes, calculate a maximum active number and get examples on how to use transaction classes in this... Continue Reading
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As batch windows are getting shorter, it becomes harder to run traditional VSAM-based CICS systems. Try running CICS in batch as a low-cost solution. Continue Reading
In this CICS tip, mainframe expert Robert Crawford outlines how to use External Call Interface (EXCI) to access CICS from anywhere on the mainframe. Continue Reading
IBM's mainframe operating system, z/OS 1.9, is now generally available. This release has its share of enhancements both large and small. Robert Crawford provides a roundup of the most notable updates. Continue Reading