The ngettext program translates a natural language message into the
users language, by looking up the translation in a message catalog, and
chooses the appropriate plural form, which depends on the number COUNT
and the language of the message catalog where the translation was found.
Display native language translation of a textual message whose grammatical
form depends on a number.
If the TEXTDOMAIN parameter is not given, the domain is determined from the
environment variable TEXTDOMAIN. If the message catalog is not found in the
regular directory, another location can be specified with the environment
Standard search directory: /usr/share/locale