https://www.ibm.com/docs/en/ims/15.5.0?topic=ims-automated-operator-interface
The IMS automated operator interface (AOI) allows application programs to issue IMS commands and can intercept IMS messages routed to the MTO.
system administrationoperator interfaceimsautomated
https://www.ibm.com/docs/en/connect-direct/6.4.0?topic=errors-operator-interface
Operator interface errors occur while you are using the operator interface to issue commands to IBM Connect:Direct. You can find more information on the...
operator interfaceerrors