Mainframe ecosystems include things like non-relationship databases and other I/O abstractions that may or may not be in use. It resembles a combination of eve

Mainframe ecosystems include things like non-relationship databases and other I/O abstractions that may or may not be in use. It resembles a combination of every Microsoft component (IIS, SQL), alongside dozens of separate proprietary products that are a fever dream of products to do simple tasks like write "files" to disk.