Quintus Computer Systems Inc of Mountain View, California, has introduced a Prolog toolset for 80386-based systems supporting Unix V.3. The Quintus Prolog Integrated Environment includes a development system which adheres to the syntax conventions of the Edinburgh standard and has foreign language interfaces. The Environment also includes a run-time generator that allows applications to be developed for both stand-alone and server configurations, allowing shared code executables, dynamic memory allocation, linking to foreign languages, separate compilation of individual source files and portability to multiple target systems.