Software maintenance: Software maintenance is a software engineering term that refers to software modifications that are made to correct errors, improve performance, or other attributes after a software product is released. Software maintenance mainly refers to the partial or complete modification of the application program according to changes in requirements or changes in the hardware environment. There are roughly four types of software maintenance activities: corrective maintenance (corrective maintenance), adaptive maintenance, perfect maintenance or enhancement, preventive maintenance or reengineering. In addition to these four types of maintenance activities, there are also other types of maintenance activities, such as supportive maintenance (such as user training, etc.).
正在翻译中..