Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.
As it pertains to the infrastructure, configuration management refers to coordinating and documenting the different levels of hardware, firmware, and software that comprise mainframes, servers, desktops, databases, and various network devices such as routers, hubs, and switches. It does not refer to application software systems or to the verification of various levels of application software in different stages of development, testing, and deployment—these activities are commonly referred to as versioning control and are normally managed by the applications development group or by a software quality assurance group within applications development.