Much confusion exists as to whether Chicago will “obsolete” DOS utilities and programs, particularly memory management. Microsoft’s operating system, code-named Chicago, and recently renamed to Windows 95, is a revolutionary step, but it’s still MS-DOS and memory management problems will still exist for a while.

In the 1990s the computing battlefield is the humble personal computer (PC): the war is for the right to control the multi-tasking disc operating system to drive it into the future. The reward is untold wealth for the winning manufacturer.