The z/OS Interface Ecosystem: Bridging Networks, Security, Automation and Development
December 22, 2025
For the final installment of "z/OS and Friends," Joe Gulla catalogs the modern interfaces for networking and integration, security, monitoring and automation, and DevOps
ArticlesBeyond Legacy: The Modern Language Ecosystem of z/OS
November 10, 2025
For "z/OS and Friends," Joe Gulla catalogs the broad and ever-evolving range of programming languages on z/OS
Press ReleasesPhoenix Software: JES Policies Come to JES3plus
September 30, 2025
In a world with pervasive outsourcing and dwindling HLASM skills, bringing JES Policies to JES3plus is a project of great strategic importance.
ArticlesA Rare Education: Budding Mainframers Prepare to Carry the Torch
May 12, 2025
Students at the school, one of the few in the U.S. offering mainframe instruction, prepare to carry the torch
PodcastsThe State of the Mainframe? Better Than Ever
September 18, 2024
Software Developer Chris Craddock explains what's great about the open, modern mainframe
Hashes and How to Create Them on z/OS
January 10, 2022
Hashes can be really handy. Want to confirm that a file was received intact? Compare sender and receiver hashes. Want to see if a file has been updated recently? Compare hashes generated over time. Want a fast key for a lookup table? Use a hash as the key. But what are hashes, and how can […]
ArticlesHow to Use JSON in Your z/OS Program
July 7, 2021
First created in 2001, JavaScript Object Notation (JSON) has become the preferred way of creating structured data. Not limited to JavaScript applications, JSON formats can be found in web requests and responses and NoSQL databases. So, it makes sense that we will want our traditional z/OS programming languages (COBOL, PL/I, Assembler, C and REXX) to […]
ArticlesHow the Software World and Programming Practices Have Evolved
June 3, 2021
Programming, or writing software as it is commonly known today, has been my profession for 51 years, and for fun for 10 years before that. Like most things, it has changed dramatically as I have grown up with it. Starting out in 1960, we had only one manual of about 50 pages, a principles of […]
ArticlesBound to Compile: Skipping the Source Code
May 31, 2021
I like interpretive and scripting languages: The source is the code so you never have to go hunting for the original text version of a program when updating it. But they do run much more slowly than compiled ones. Consequently, some scripting languages, like REXX, can also be compiled in order to speed them up. […]
PodcastsEd Jaffe on SHARE, JES3, FORTRAN and More
January 11, 2021
Reg Harbeck: Hi, this is Reg Harbeck and I’m here today with my friend and colleague Ed Jaffe, who is really a mover and shaker in the world of mainframe, really active at SHARE and a major aficionado of JES3 and also of bourbon. Well before giving everything away, Ed, tell us about yourself. How […]