Embodiments of the present invention include methods, systems and computer program products. In one embodiment, a method described herein includes receiving, at a host terminal having a unique identifier, a message including at least an authentication field, an operation field, an entity field and an argument field; and authenticating a remote user in response to the authentication field. The first method can also include identifying an entity selected by the remote user in response to the entity field; identifying an argument selected by the remote user in response to the argument field; and performing an operation selected by the remote user in response to the operation field. Performance of the operation allows the remote user to perform and/or control tasks, communications and/or processes on the host terminal.