Kodifikasi locale Indonesia dibuat dalam suatu file bernama id_ID, dan berisi:
escape_char / comment_char % repertoiremap mnemonic.ds % Indonesian language locale for Indonesia % Source: % Address: % Contact: Pablo Saratxaga, Mohammad DAMT % Email: srtxg@chanae.alphanet.ch, mdamt@cakraweb.com % Tel: % Fax: % Language: id % Territory: ID % Revision: 0.4 % Date: 1999-05-28 % Application: general % Users: general % Repertoiremap: % Charset: ISO-8859-1 % Distribution and use is free, also % for commercial purposes. LC_CTYPE copy "en_DK" END LC_CTYPE LC_COLLATE copy "en_DK" END LC_COLLATE LC_MONETARY int_curr_symbol "<I><D><R><SP>" currency_symbol "<R><p>" mon_decimal_point "<,>" mon_thousands_sep "<.>" mon_grouping 3;3 positive_sign "" negative_sign "<->" int_frac_digits 2 frac_digits 2 p_cs_precedes 1 p_sep_by_space 0 n_cs_precedes 1 n_sep_by_space 0 p_sign_posn 1 n_sign_posn 1 END LC_MONETARY LC_NUMERIC decimal_point "<,>" thousands_sep "<.>" grouping 3;3 END LC_NUMERIC LC_TIME abday "<M><i><n>";"<S><e><n>";/ "<S><e><l>";"<R><a><b>";/ "<K><a><m>";"<J><u><m>";/ "<S><a><b>" day "<M><i><n><g><g><u>";/ "<S><e><n><i><n>";/ "<S><e><l><a><s><a>";/ "<R><a><b><u>";/ "<K><a><m><i><s>";/ "<J><u><m><a><t>";/ "<S><a><b><t><u>" abmon "<J><a><n>";"<P><e><b>";/ "<M><a><r>";"<A><p><r>";/ "<M><e><i>";"<J><u><n>";/ "<J><u><l>";"<A><g><u>";/ "<S><e><p>";"<O><k><t>";/ "<N><o><v>";"<D><e><s>" mon "<J><a><n><u><a><r><i>";/ "<P><e><b><r><u><a><r><i>";/ "<M><a><r><e><t>";/ "<A><p><r><i><l>";/ "<M><e><i>";/ "<J><u><n><i>";/ "<J><u><l><i>";/ "<A><g><u><s><t><u><s>";/ "<S><e><p><t><e><m><b><e><r>";/ "<O><k><t><o><b><e><r>";/ "<N><o><p><e><m><b><e><r>";/ "<D><e><s><e><m><b><e><r>" d_t_fmt "<%><a><SP><%><d><SP><%><b><SP><%><Y><SP><%><r><SP><%><Z>" d_fmt "<%><d><//><%><m><//><%><y>" t_fmt "<%><T>" am_pm "";"" t_fmt_ampm "" END LC_TIME LC_MESSAGES yesexpr "<<(><y><Y><)/>><.><*>" noexpr "<<(><t><T><n><N><)/>><.><*>" END LC_MESSAGES
File ini diletakkan di dalam direktori /usr/share/i18n/locales. Untuk membuat agar sistem mengenalinya, maka lakukan:
# localedef -i id_ID -f ISO-8859-1 id
File ini juga tersedia di http://ldp.linux.or.id/HOWTO