An interface apparatus controls at least activation and termination of one or more registered application programs in accordance with user operations. The apparatus includes a first holding section configured to hold information of the application programs; a user operation acceptance section; a second holding section configured to receive and hold status information of each application program; a list presentation section configured to present an application program list window and to indicate at least whether a status of each application program is a running status or a terminated status based on the status information; a selection section configured to select an application program to be controlled from among the application programs in accordance with a predetermined first user operation; and a control section configured to control the status of the selected application program based on the status information when the user operation acceptance section has accepted a predetermined second user operation.