On: Z/OS Introduction

[pyuser583]

Z/OS is a mainframe operating system.

[pjmlp → pyuser583]

Also one of the few OSes that was already "WebAssembly" everywhere back in 2000.

It is called language environments.

https://www.ibm.com/docs/en/zos/2.4.0?topic=zos-language-env...

IBM i and Unisys ClearPath MCP (nee Burroughs) are two other examples still being comercialized.

[pyuser583 → pjmlp]

What do you mean “was WebAssembly?”

[pjmlp → pyuser583]

All the ideas that many folks sell as being invented by WebAssembly were already present in such systems.