NIS stores information on the master server in a set of files called maps about users, groups, hosts information, address, and networkservices information.
NIS在主服务器上的一组称为映射的文件中存储有关用户、组、主机、地址和网络服务的信息。
2
RFC 2307 defines a standard set of schema for NetworkInformationServices (NIS), which covers users, groups, and other NIS objects.