Mainframe, MVS and zOS Discussion

Proteus is a change control and software configuration manager for the OS/390 and z/OS product platforms. With Proteus you can achieve the following benefits: Manage the application development life cycle Build consistency of application components & systems Automate application back-out and rec...

These two pdf files from CA should be handy:

A software configuration management (SCM) system for client/server environments from Computer Associates (CA). On the server, it runs on all major Unix platforms and Windows NT. Windows, OS/2 and Unix are supported on the client. The product was originally developed by Platinum Technology, which was...

ASG-Configuration and Change Impact (ASG-CCI) : ASG-Configuration and Change Impact (ASG-CCI) enables organizations to rapidly introduce IT change without risking the quality of their IT or business services. By enabling Service Support professionals to plan,understand and control changes, ASG-CCI ...

Endevor is a source code management and release management tool for mainframe computers running z/OS. It is part of a family of administration tools by CA Technologies (formerly Computer Associates), which is used to maintain software applications and track their versions.

In this section my motive is to list every company in the world that has a Mainframe Computer. This list then might be looked at in different ways -- a Programmer can pick the company that s/he wants to work for AND one might come to know about another Job opportunity in the vicinity of his/her curr...

2. To specify dummy VSAM dataset in a JCL, Code AMP=’AMORG’ . This parameter tells the OS to treat the file as VSAM file. E.g.:

2. Using an odd number of digits for PACKED DECIMAL (COMP-3) is 5% to 20% faster than using an even number of digits... why? It's a "Tip of the Day" section and not the "Explanation of the Day" section. So I leave that for the reader to explore...

2. Shops are usually JES2 and JES3 , but is there any JES1 - Yes, OS/VS1 supported only one job entry subsystem namely JES1. Now you understand why it's called JES2...

2. When you try to open any member in a PDS or a File and gets "member in use" message. Press F1 twice, to know who is using the member currently.

You're welcome Akshya.

3. If you're using CURSOR for "read only", use FOR FETCH ONLY in the SQL.

Gilbert was responsible for keeping the CBT Tape up for five years. He supplied the MVS machine that the support ran on. I think without him the CBT site would even exist today. Unfortunately, Gilbert Saint-Flour passed away in October 2011, in Montauban France. May his soul rest in peace! This setb...

[center] http://s16.postimg.org/kc78ica5t/Mark_Zelden.jpg [/center] Mark Zelden is an accomplished senior systems programmer and z/OS team lead for CSC (Computer Sciences Corporation) and a consultant with over 25 years of experience providing solutions for corporate IT organizations. Mark is ITIL V...

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You're welcome. If you're interested to develop an OS of your own - my opinion is to start with FreePascal (http://www.freepascal.org" onclick="window.open(this.href);return false;). It is portable and you can throw in assembler where you need to, it calls subroutines/functions in a manner...

The Object Access Method (OAM) help to access files in the operating system (OS) via certain command line codes. Unlike other access methods that are made for generic systems, the object access method is only fitted to work with the z/OS®. OAM is made specifically to help with storing files, and it ...

ISAM (pronounced "eye sam") stands for Indexed Sequential Access Method. It is a technique for storing and accessing data in a file on secondary storage, for example a disk. ISAM is not a stand-alone program; it is a library of functions that implement an algorithm. ISAM is a file manageme...

In IBM mainframe operating systems, basic partitioned access method (BPAM) is an access method for libraries with a specific structure, called partitioned datasets (PDSes). BPAM is used in OS/360, OS/VS2, MVS, z/OS, and others. A PDS consists of members (that are internally identical to sequential d...