Editing Unisys (section)

===20th century===
Soon after the merger, the market for proprietary mainframe-class systems, the mainstream product of Unisys and its competitors such as [[IBM]], saw a decline<ref name=":13">{{Cite web |last=Stephens |first=David |date=2010 |title=Mainframes: Where are They Now? |url=https://www.longpelaexpertise.com.au/ezine/IA_MainframesWhere%20AreTheyNow.pdf |access-date=April 23, 2025}}</ref> that continues, at a slower rate, today. Unisys responded by making the strategic decision to shift into high-end servers, including [[32-bit]] processor [[Windows Server]]s and information technology (IT) services, such as systems integration, outsourcing, and related technical services, while holding onto the profitable revenue stream from maintaining its installed base of proprietary mainframe hardware and applications.<ref name=":13" /><ref>{{cite web |title=Pre-History of Unisys |url=http://www.computermuseum.li/Testpage/UNISYS-History.htm |url-status=dead |archive-url=https://web.archive.org/web/20120905001915/http://www.computermuseum.li/Testpage/UNISYS-History.htm |archive-date=September 5, 2012 |access-date=November 6, 2017 |publisher=History of Computing}}</ref>

In 1988, the company acquired [[Convergent Technologies]], creators of [[Convergent Technologies Operating System]] (CTOS).<ref>{{cite web |title=Convergent Technologies |url=http://www.computinghistory.org.uk/det/8242/Convergent-Technologies/ |access-date=November 6, 2017 |publisher=Centre for Computing History}}</ref>

In 1990, Blumenthal resigned.<ref name=":8" /> James Unruh, formerly of [[Memorex]] and [[Honeywell]], became the new CEO and Chairman after Blumenthal's departure and continued in both roles until 1997, when Larry Weinbach of [[Arthur Andersen]] became the new CEO.<ref name=":8">{{Cite news |title=Unisys Corp - After The Merger |publisher=Ecommerce.info |year=2001 |url=http://ecommerce.hostip.info/pages/1023/Unisys-Corp-AFTER-MERGER.html/ |url-status=dead |archive-url=https://web.archive.org/web/20131203082554/http://ecommerce.hostip.info/pages/1023/Unisys-Corp-AFTER-MERGER.html |archive-date=2013-12-03 }}</ref>