X Windows

A system developed at MIT that allows applications to be displayed in windows and shared among different workstations and terminals. Available on all UNIX operating systems supported by ARC/INFO and ArcView. ARC/INFO and ArcView are X Windows-based applications. ARC/INFO or ArcView can be run on any X-compliant terminal or X Station on all supported UNIX platforms or on any PC or Macintosh through emulation software.