|Original author(s)||Paul Asente, Brian Reid|
|Operating system||V operating system|
|Successor||X Window System|
W was originally developed at Stanford University by Paul Asente and Brian Reid for the V operating system. In 1983, Paul Asente and Chris Kent ported the system to UNIX on the VS100, giving a copy to those working at MIT's Laboratory for Computer Science.
Since this time, the X window system has gone through many fundamental changes and no longer bears any significant resemblance to W.