Definitions for "X11 "
X11, or X, is a vendor-neutral, system-architecture neutral network-transparent window system and user interface standard. In other words, it's a GUI for UNIX. X can use your network -- you may run CPU-intensive programs on high powered workstations and display the user interface on inexpensive desktop machines.
("X" or "X-eleven") A graphics image format defined for the X Windowing system. On the Amiga these can be handled by ADPro's Professional Conversion Pack.
The current release of the X-Windows system. The previous release, X10, is not used on our machines.