Technology Road Map (Jim Gettys, 9 December 2003) X Marks the Spot: Looking back at X11 Developments of Past Year (Oscar Boykin, OSNews, 25 February 2004) Getting X Off The Hardware (Keith Packard, July 2004 Ottawa Linux Symposium talk) Why Apple didn't use X for the window system (Mike Paquette, Apple Computer) X Man Page (Retrieved on 2 February 2007) X Window System interface in the z/OS Communications Server environment (Retrieved on 19 July 2021) External links Massachusetts Institute of Technology software Open Group standards Remote desktop Software using the MIT license Unix windowing system-related software