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legacy application

   Also found in: Wikipedia, Hutchinson 0.06 sec.

legacy application

An application that was written for an earlier operating system or hardware platform. For example, mainframe applications were legacy apps when the world embraced client/server networks. Windows 3.1 applications were legacy apps when Windows 95 was introduced. Any business software that is not Internet enabled in some form is often considered a legacy application.

They Hang Around
Although many are eager to embrace the newest and latest, there is an investment in older software, which is sometimes substantial. Legacy applications tend to remain in use far longer than anyone predicts. In some cases, they thrive, such as mainframe applications. Even DOS and Windows 3.1 applications are running under Windows Vista. See legacy system.



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Under this partnership, Fujitsu will provide EDS with its PRIMEQUEST mainframe-class mission critical open system IA servers for deployment for the partner's hosting service and other solutions including legacy application migration.
Fujitsu Forms Technology Alliance with EDS by JCNN News Summaries
an international provider of legacy application extension solutions, has announced the availability of the ACUCOBOLGT development system for 64-bit SuSE Linux Enterprise Server 8 on IBM eServer zSeries servers.
Acucorp announces support for 64-bit Linux on IBM's eServer zSeries by EDP Weekly's IT Monitor
Transforming to a multi-tier involves modernizing the existing legacy application to a Web enabled version with the application logic distributed to several logical tiers in accordance with Java 2 Enterprise Edition standards.
BAE SYSTEMS Supports Modernization of Military Cargo Tracking ... by Business Wire
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