Question: briefly explain the role of a server when a file is requested by a client terminal

title: Client–server model
text: The client - server characteristic describes the relationship of cooperating programs in an application . The server component provides a function or service to one or many clients , which initiate requests for such services . Servers are classified by the services they provide . For example , a web server serves web pages and a file server serves computer files . A shared resource may be any of the server computer 's software and electronic components , from programs and data to processors and storage devices . The sharing of resources of a server constitutes a service .