Network Information Service (NIS)
NIS, like other network applications, follows the client/server architecture model. The following sections describe the NIS components, how to configure these components, and how to add and update NIS maps.
NIS consists of a master server, possibly slave servers, and one or more clients. The servers store NIS maps and make the information contained in the maps available to clients on request.
NIS stores information in a set of files called maps, which are two-column tables. The first column is used as a key, and the second column is the information associated with that key. Because the maps are organized by key, the same information might appear in more than one map. For example, host ...