The Probert Encyclopaedia of Science & Technology

X WINDOWS

X Windows or more properly the X Window System (also known as X11) is the standard graphical user interface for the Unix family of operating systems. X11 was first developed by Digital Equipment Corporation (DEC) and the project Athena at Massachusetts's Institute of Technology (MIT) and first released as X11R1 in September 1987. XFree86 is the freely available implementation of
X Windows for 80x86 family computers (PCs), ad it was developed by a group called the XFree86 team in 1992. X Windows is more than a simple interface, it is a network-based system comprising a server and clients. X11 #X Windows
Research X Windows