where Japanese_locale sets the value of the LANG environment variable for the Japanese character set. Refer to your specific platform to determine the value for Japanese_locale.
To start Text Editor with the Japanese language directly, type:
/usr/dt/bin/dtpad -xnllanguage Japanese_locale
You can now enter Japanese characters if the locale-specific files have been installed. You can also use the Text Editor session to edit a previously created Japanese file.
See "To Specify Fonts from the Command Line" for an example of specifying a font set.