3. A command inputting method used when inputting characters using software for Kana (Japanese character)-to-Chinese character conversion comprising the steps of: receiving a string comprising a plurality of characters through a keyboard; retrieving first Chinese character information or second Chinese character information corresponding to the character string by looking up the string in a Chinese character dictionary in which the first Chinese character information, comprising at least one Chinese character correlated to a character string, and the second Chinese character information, comprising a command and at least one Chinese character correlated to a character string, are previously stored; displaying the retrieved first Chinese character information or second Chinese character information as candidates for conversion in a list; receiving input for selecting a desired Chinese character or a command from the first Chinese character information or second Chinese character information displayed in a list; determining which of a Chinese character or a command has been selected or not according to a result of selection in said selecting step; replacing, when it is determined in said determining step that a Chinese character has been selected, the string with at least one corresponding Chinese character and displaying the at least one Chinese character; and executing the corresponding command when it is determined in said determining step that a command has been selected.
3. A command inputting method used when inputting characters using software for Kana (Japanese character)-to-Chinese character conversion comprising the steps of: receiving a string comprising a plurality of characters through a keyboard; retrieving first Chinese character information or second Chinese character information corresponding to the character string by looking up the string in a Chinese character dictionary in which the first Chinese character information, comprising at least one Chinese character correlated to a character string, and the second Chinese character information, comprising a command and at least one Chinese character correlated to a character string, are previously stored; displaying the retrieved first Chinese character information or second Chinese character information as candidates for conversion in a list; receiving input for selecting a desired Chinese character or a command from the first Chinese character information or second Chinese character information displayed in a list; determining which of a Chinese character or a command has been selected or not according to a result of selection in said selecting step; replacing, when it is determined in said determining step that a Chinese character has been selected, the string with at least one corresponding Chinese character and displaying the at least one Chinese character; and executing the corresponding command when it is determined in said determining step that a command has been selected. 5. A command inputting method used when inputting characters using software for Kana-to-Chinese character conversion according to claim 3 further comprising a generating step of registering a command in the first Chinese character information in said Chinese character dictionary and generating second Chinese character information.