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Learn about the definition, history, types, and challenges of software maintenance, the modification of software after delivery. Software maintenance is a common and costly phase of the software life cycle that involves understanding, modifying, and revalidating existing code.
The systems development life cycle (SDLC) is a process for planning, creating, testing, and deploying an information system. It consists of six stages: requirement analysis, design, development and testing, implementation, documentation, and evaluation.
Learn about the activities, processes, tools and frameworks of IT service management (ITSM), a discipline that aligns IT services with business needs. Compare and contrast different ITSM standards and approaches, such as ITIL, COBIT, ISO/IEC 20000 and more.
Integrated logistics support (ILS) is a technology to lower product life cycle cost and decrease demand for logistics by the maintenance system optimization. ILS plans and directs the identification and development of logistics support and system requirements for military systems, with the goal of creating systems that last longer and require less support.
Learn about the technical meaning, functions and types of maintenance, repair and overhaul (MRO) in various domains and industries. Find out the differences between preventive, corrective, planned and predictive maintenance, and see related terms and examples.
ALM stands for Application Lifecycle Management, which is the governance, development, and maintenance of computer programs. It covers various activities such as requirements management, software testing, project management, and release management.
Learn about the practices and disciplines of supporting IT systems/applications in production environment. Find out the importance, steps, and challenges of production support, and the related concepts of ITIL, CMMI, and incident management.
Learn how to determine the optimal provision of repair and maintenance facilities for a complex engineering system based on cost and operational requirements. Find out the steps, criteria, and levels of LORA, and see examples and references.