Software maintenance tasks generally include:
1. Corrective Maintenance: Fixing bugs and errors.
2. Adaptive Maintenance: Adapting software to new environments.
3. Perfective Maintenance: Adding new features or improving performance.
4. Preventive Maintenance: Making changes to prevent future problems.
5. Documentation: Keeping software documents updated.
6. Training: Educating users on new features or changes.
7. Technical Support: Offering ongoing assistance to users.
8. Migration: Moving a software system to a new platform or technology.
9. Retirement: Planning and executing the phase-out of software.