|ICONV ( 1 )||USER COMMANDS||ICONV ( 1 )|
Character encodings in either codeset may include single-byte values (for example, for the ISO 8859-1:1987 standard characters) or multi-byte values (for example, for certain characters in the ISO 6937:1983 standard). Invalid characters in the input stream (either those that are not valid members of the input codeset or those that have no corresponding value in the output codeset) are output as the underscore character (_) in the output codeset.
The native codeset is determined by the LANG, LC_ALL and LC_CTYPE environment variables. The supported
codesets are matched by these left-anchored case-insensitive