Remember that computers, no matter how sophisticated or expensive, are still just machines, although electronic. Electronic devices have very few moving parts. In fact, outside of the read/write heads in a secondary storage device, the open and close drawer on optical storage devices, and maybe a couple of more moveable items, the overall design of computers doesn't include many moving parts. We could say that the electrical signals that move about the computer are moving parts, but bits and their transmission media don't really cause many failure issues and server maintenance is all about preventing failure and resolving problems as they arise.
This chapter covers the duties and activities of the system administrator relating to the maintenance of a network server. This includes the definition and execution of a change and patch application and management...