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March 28, 1988


By CBR Staff Writer

Despite diehard adherence among large users to 370 architecture, and the claims made by IBM for Systems Applications Architecture, the operating system world is undergoing a quiet upheaval: according to International Data Corp forecasts published in Computerwoche, the 6% share of the market taken by Unix in 1986 will soar to 22% by 1991; IDC sees 370 operating systems dropping to 24% from 26%, IBM Systems 36 and 38 dropping to 2% from 4%, and DEC’s VMS climbing just 1% to 6% in the same period; overall, IDC reckons the operating software market will be worth $120m in 1991 compared with $87m in 1986.

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