Rexx provides a number of instructions that gives a wide variety of functionality, most of them which allow you to interact with the Operating System. Let’s look at some of them in detail.
This function is used to display the current command environment.
This function is used to un-assign a variable.
Interprets or executes the defined instruction.
This function means to perform no operation. This command is normally used in if statements.
This is used to pull input from the stack or from the default stream.
This is used to push a value onto the Rexx stack.