| 0 | No re-entrant REXX environments are available. REXX execs executing in the default environment write their output to DD statement
                                 SYSTSPRT in JESx job log. | 
 
                           					 
                            
                              						
                              | 1 | Each REXX exec is executed in its own REXX environment. Every z/Server subtask has both a non re-entrant and a re-entrant
                                 REXX environment available. REXX execs executing in the re-entrant environment write their output to DD statement ZCOTSPRT
                                 in JESx job log. | 
 
                           					 
                            
                              						
                              | 2 | CMDTASK and SRVTASK execute in a re-entrant REXX environment. All other subtasks share the default non re-entrant environment.
                                 This setting is recommended for a user server address space. |