GEM (short for "Graphical Environment Manager") was an operating environment created by Digital Research, Inc. (DRI) for use with the CP/M operating system on the Intel 8088 and Motorola 68000 microprocessors.
Graphical Environment Manager — оконная система, созданная Digital Research, Inc. (DRI) для использования с операционной системой CP/M на микропроцессорах Motorola 68000 и Intel 8088.