Software Maintenance is the process of modifying a software product after it has been delivered to the customer. The main purpose of software maintenance is to modify and update software application after delivery to correct faults and to improve performance.
Must be performed in order to:
Correct faults.
Improve the design.
Implement enhancements.
Interface with other systems.
Accommodate programs so that different hardware, software, system features, and telecommunications facilities can be used.
Migrate legacy software.
