Ibus config. IBus (Intelligent Input Bus) is an input method framework, a type of application that allows for easily switching between different keyboard layouts. It is a new input framework for Linux OS. IBusObservedPath — Path object of IBus. ibus-setup is the configuration program for IBus. When combined with an input method editor, it also allows for typing non-Latin characters using a keyboard that does not natively support them. IBus - Input Bus Introduction === IBus is an Intelligent Input Bus. IBusConfigService — Configuration service back-end. hotkeys: Super + Space: Change input IBusConfig — IBus engine configuration module. It provides full featured and user friendly input method user interface. ibusxml — XML handling functions for IBus.