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What is Software Maintenance? Explain different types of it in short.

Demystifying Software Maintenance: A Deep Dive into its Types

What is Software Maintenance?

  • The process of modifying a software system after delivery to correct faults, improve performance or other attributes, or adapt the product to a changed environment.
  • Crucial for extending software lifespan, enhancing user experience, and mitigating risks.
  • Includes activities like bug fixing, performance tuning, security patching, and feature enhancements.

Types of Software Maintenance

Corrective Maintenance

  • Fixing bugs and errors reported by users.
  • Addressing vulnerabilities impacting system stability.
  • Improving system reliability and reducing downtime.

Adaptive Maintenance

  • Modifying software to accommodate changes in the operating environment (e.g., new OS).
  • Adapting software to work with new hardware or software components.
  • Ensuring compatibility with evolving technological standards.

Perfective Maintenance

  • Enhancing software features and functionality based on user feedback.
  • Improving software performance and efficiency.
  • Adding new modules or features to expand capabilities.

Preventative Maintenance

  • Proactive measures to avoid future problems.
  • Code refactoring to improve maintainability.
  • Updating documentation to ensure accuracy and clarity.
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