What is X-Terminal?
An X-Terminal is an input terminal with a display, a keyboard, a mouse and a touchpad that X server-Software used to render pictures. The X Terminal, which is used as an open source window system called the X Window System, does not do any application processing - this is done by the network server.
X can be used to run applications on a network server but display them on the X terminal or on the desktop computer. In the 1980s and 1990s, this move was important in the industry because servers were much more powerful than personal computers. X and the X-Terminal were thus the forerunners of modern thin clients (network computers) and network server operating systems.
An X-Terminal is also known as a diskless computer.
In X, the terms client and server are used from the software perspective. The X server provides client applications with a screen, a keyboard, a mouse and a touchpad. The X-Terminal uses a Unix-based operating system that resides on a mainframe, minicomputer, or workstation.
X was developed at the Massachusetts Institute of Technology (MIT) in the 1980s. Version X11 was introduced in 1987, followed by many revisions.
X uses a client / server architecture, which means that X client-Applications normally run inside servers, but can also run on client machines. X clients and the X server communicate using the X protocol.