Multiple choice technology mainframe What is the utility to execute a REXX EXEC from a JCL? IEBGENER IKJEFT01 IEBPTPCH IEHPROGM Reveal answer Fill a bubble to check yourself B Correct answer Explanation IKJEFT01 is the standard TSO terminal monitor program provided in IBM z/OS that can be invoked via JCL to execute REXX execs, CLISTs, and TSO commands in batch mode.