You can use the command C-h L
describe-language-environment) to get information about a
specific language environment. See Language Environments. This
tells you which languages this language environment supports. It also
lists the character sets, coding systems, and input methods that work
with this language environment, and finally shows some sample text to
The command C-h h (
view-hello-file) displays the file
etc/HELLO, which shows how to say “hello” in many languages.
The command C-h I (
describe-input-method) describes an
input method—either a specified input method, or by default the
input method currently in use. See Input Methods.
The command C-h C (
coding systems—either a specified coding system, or the ones
currently in use. See Coding Systems.