xprop: xprop (displays window and font properties of an X server) xprop: xprop: xprop is part of X11. xprop: xprop: For more information about the X.Org Foundation (the providers of the xprop: X.Org implementation of the X Window System), see their website: xprop: xprop: http://www.x.org xprop: xprop: xprop: