When invoked without arguments, locale summarizes the current locale environment for each locale category defined by the LC_* environment variables.
-a, --all-locales
Write names of available locales.-m, --charmaps
Write names of available charmaps.
Write names of selected categories.-k, --keyword-name
Write names and values of selected keywords.
Character classification and case conversion.LC_COLLATE
Collation order.LC_TIME
Date and time formats.LC_NUMERIC
Non-monetary numeric formats.LC_MONETARY
Monetary formats.LC_MESSAGES
This manpage is written by Joel Klecker <espy@debian.org> for the Debian GNU/Linux system.