Legacy and foundation - the enduring Unix tech stack

The word "legacy" is wielded by various folks, and in many cases it's in a pejorative sense. I don't think they always appreciate the full context. Consider aspects of the enduring Unix legacy that our tech stacks still rely on today. Beyond such fundamental building blocks and concepts such as environment variables, which even now make the cloud work (service keys and bindings are made available to apps that way), we are embracing the terminal as the natural best fit for human-agent interaction. And while collaborating with agents, we see that the constructs they employ to Get Things Done ... are command line tools in the context of the shell1, strung together in classic pipelines. While we still work in a predominantly text-based world, this is a natural fit. As a nod to this, I snuck a one-liner into one of our tutorials for SAP TechEd 2026 in Berlin: Connect a CAP-level agent to AI Core. A step in this tutorial involved retrieving a specific ZIP file from a GitHub repo, unpacking…

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