The UtiLisp32 is a new implementation of UtiLisp for Unix system. The original UtiLisp (University of Tokyo Interactive LISt Processor) system was designed for highly interactive programming and debugging of sophisticated programs on mainframes. The new UtiLisp system is a transportation of the original UtiLisp. UtiLisp32 is for Unix 4.2 bsd machines whose CPU's have 32 bit address bus. It is now available on MC68010, MC68020 and Vaxen. This new UtiLisp is called "Unix UtiLisp" or simply "UtiLisp".