The value of ECHO or NOECHO has no effect on command output being placed into a response buffer if
the Diagnose 8 interface requested one.
5.27.4 Examples
Example 1:
Specify that commands issued through the Diagnose 8 interface are executed as Hercules commands.
Additionally issue a message, as the console is about to execute the command, then redisplay the com-
mand itself and give a final message, indicating the command has completed.
DIAG8CMD ENABLE ECHO