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Text interfaces are still quite common in mainframes. If the vendor is IBM, the screenshot is probably a 5270 terminal running a RPG (or COBOL) application. In

Text interfaces are still quite common in mainframes. If the vendor is IBM, the screenshot is probably a 5270 terminal running a RPG (or COBOL) application. In fact, these kind of systems are still so popular in the financial industry that there are libraries to wrap a modern GUI on top of existing terminal-based applications.

skissane 4y ago
> If the vendor is IBM, the screenshot is probably a 5270 terminal running a RPG (or COBOL) application From the linked PDF I gather the app is written in Informix 4GL (I can’t read Czech, just guessing based on the smattering of English words-I also think in mentions some modules are written in C?). If that’s right, it is probably a character mode VT100 app running on some Unix box, not 3270 or 5250, not COBOL or RPG