Summary—Types of Servers

Display—the system running the X server.

Login and session server—the system running the desktop session (Login Manager, Session Manager, Window Manager, File Manager, and the like).

Application server—a system on which an application runs. Also called the execution host.

File server—a system on which data files for applications are stored.

Help server—a system on which help data files are stored.

(Action) database server—a system where files containing action and data type definitions are stored.

Icon server—a system on which icon files are stored.

The network may include additional servers, such as a password server, mail server, video server, and so on.