NLS also enables you to specify the correct keyboard for the language you want to use. The operating system provides a number of keyboard maps for this purpose. You can change the default keyboard map for LFT terminals using Web-based System Manager (type wsm, then select Devices), the SMIT fast path, smit chkbd, or the chkbd command. The change does not go into effect until you restart the system.
Common Component ICU4C stands for International Components for Unicode for C/C++ class libraries, It provides internationalization utilities for writing global applications in C/C++ programming languages. ICU4C libraries are being used by numerous products running on AIX operating system.