In 1999 , X.Org was formed to manage the X Window System , with management services provided by The Open Group .
In January 1997 , the responsibility for the X Window System was transferred to The Open Group from the defunct X Consortium .
In 1999 , X.Org was formed to manage the X X Window System   , with management services provided by The Open Group .
In January 1997 , the responsibility for the X Window System was transferred to The Open Group from the defunct X Consortium .