University of Michigan Executive System
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"UMES" redirects here, but this abbreviation is also used by the University of Maryland Eastern Shore
The University of Michigan Executive System, or UMES, was developed at the University of Michigan in 1958, based on the General Motors Executive System for the IBM 701. The latter was revised to make it work better for the small student jobs that were expected to be the primary work load at the University. UMES was in use until 1967, when MTS was phased in to take advantage of the newer time-sharing technology that became available on the IBM System 360/67.
