Stephen Johnston
Contributor
Stephen Johnston is a systems engineer at Trident Services, Inc. and a graduate and REXX SME2BE for the Eli Madison Memorial Apprenticeship (EMMA) Foundation. After more than 20 years as a front-end engineer and digital designer working with React and web components, Stephen made a dramatic career pivot into the mainframe ecosystem. Today, he shares technical insights through his website, stephen.codes, and his YouTube channel, @newtozed, and was named a 2026 Planet Mainframe Influential Mainframer and CBT Tape contributor.
ISPF for VS Code Users: Keyboard Shortcuts
October 8, 2026
New-to-Z systems engineer Stephen Johnston shows VS Code users how to assign keyboard shortcuts on z/OS
ArticlesREXX Execution Explained: Explicit, Implicit and Batch
September 4, 2026
New-to-Z systems engineer Stephen Johnston explains the three primary ways to run REXX on z/OS, something that's not immediately obvious to new mainframers
ArticlesISPF for VS Code Users: Editing Multiple Files
August 5, 2026
Systems engineer Stephen Johnston shows how to split your screen and switch between files in ISPF