Software maintenance is the process of modifying and updating a software system after it has been delivered to the customer. It is an ongoing process that ensures that the software continues to function as expected, even as the operating environment, user requirements, and technology change over time.
The main objectives of software maintenance are to correct faults, improve performance, add new features, and enhance the overall quality of the software. The tasks involved in software maintenance include bug fixing, security updates, performance tuning, and documentation updates.
Software maintenance is a critical component of the software development lifecycle, as it ensures that the software remains relevant and useful to the customer. Proper software maintenance can also reduce the total cost of ownership of the software, as it helps to prevent problems from becoming more expensive to fix over time.
Software maintenance is typically performed by a dedicated team of software developers, who are responsible for fixing bugs, improving performance, and adding new features. The team also works closely with the customer to understand their changing requirements, and to ensure that the software continues to meet their needs over time.