Multiple choice technology mainframe What's is REXX? Restructured Extended Executor Restructured Extensible Executor Restructured Extended Execution Restructured Expandable Executor Reveal answer Fill a bubble to check yourself A Correct answer Explanation REXX (Restructured Extended Executor) is a high-level programming language developed by IBM. Its name represents its core characteristics - it's a restructured language that offers extended capabilities for execution and automation tasks.