EXEC
 EXEC execid args 
EXEC calls a REXX exec at a lower level (as a nested exec). All variables for this new exec are kept
separate from the higher level exec, which is suspended until the nested exec ends.
Operands
execid
specifies the 1 to 17 character identifier of the exec.
args
specifies the argument string being passed to the called exec.
Return Codes
nspecifies the return code set by the exit of the called exec
0Normal return
-3 Exec not found
-10 Exec name not specified
-11 Invalid exec name
-12 GETMAIN error
-99 Internal error
Example
'EXEC ABC'
This example executes exec ABC.EXEC.
Commands
Chapter 25. REXX/CICS Commands 341