Loading page
Legacy and specialist
Learn a practical scripting language used in automation and mainframe environments.
message = 'Hello from REXX'
say messageCOURSE CURRICULUM
Finish one section at a time or jump directly to a concept you need.
Learn how rexx interpreters, scripts, and host environments works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how clauses, instructions, and free-form syntax works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how variables, stems, compound names, and scope works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how strings, numbers, and automatic conversion works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how operators, comparison, and parsing works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how if, select, and conditional instructions works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how do loops, iteration, and stem traversal works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how procedures, arguments, and exposed variables works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how stems, queues, and compound data works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how parse, strings, and text processing works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how signal, condition traps, and return codes works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how procedures, external functions, and libraries works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how host commands, environments, and data models works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how files, queues, and system automation works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.
Learn how testing rexx scripts and return codes works in REXX, why the underlying model matters, and how to apply it in a small program without hiding important trade-offs.