Invokes the National  Character  Set  (NCS)  utility  to  provide  a
   convenient method of  implementing  alternative  (non-ASCII)  string
   collating sequences, typically using subsets  of  the  Multinational
   Character Set (MCS). NCS  also  facilitates  the  implementation  of
   string conversion functions.

   Format:

     NCS  input-file-spec[,...]