What is "x11"

init. The 11th version of the http://en.wikipedia.org/wiki/X%20Window%20System.

X11 may refer to:

• X Window System or X11, a system which implements the X display protocol
• Honda X11
• X11 (New York City bus)
• X11.app, the implementation of the X Window System in Mac OS X
• X11, a variation of the SL X10 train
• X11, a hashing algorithm
• N11 code, any of a set of public service telephone numbers in North America

X-11 may refer to:

• Chevy Citation X-11, a performance-enhanced version of the Chevy Citation
• Convair X-11, the first testbed for what became the Atlas missile program