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Maintenance

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Maintenance, as defined by Media Solutions, is the modification of a software product after delivery to correct faults, to improve performance or other attributes, or to adapt the product to a modified environment.

There are four types of maintenance, they are:

  • Corrective maintenance: Reactive modification of a software product performed after delivery to correct discovered problems.
  • Adaptive maintenance: Modification of a software product performed after delivery to keep a software product usable in a changed or changing environment. This includes modifcations to maintain conformity with governmental regulations.
  • Perfective maintenance: Modification of a software product after delivery to improve performance or maintainability.
  • Preventive maintenance: Modification of a software product after delivery to detect and correct latent faults in the software product before they become effective faults.