How to execute REXX program in mainframe?
REXX program can be executed by two way,
1) EX command -
Use the command "EX" in front of the member of PDS having REXX program.
2) TSO "<REXX_PROGRAM_NAME>" -
In order to run the REXX program like TSO utility/command,
i) Add your REXX program member to CLIST dataset
(In many this library is "<your_id>.A.CLIST")
ii) Then us the command TSO "<program_name>"