Xinerama

According to X Server project lead Rob Lembree, the name was inspired by the Cinerama widescreen theatre process.

"We were frustrated by having big Alpha machines with multiple displays, and being unable to move applications from one to another.

The Xinerama extension provides clients with information about the layout of viewports within the unified workspace.

RandR and NVidia's twinview utilize this feature to provide window managers and clients with information about the output layout relative to the framebuffer.

The Solaris SPARC OpenGL implementation and ATI and nVidia proprietary Linux drivers support hardware-accelerated rendering of all screens in Xinerama mode.

Asmus, Madeline T. (December 1995) "The PanoramiX Extension" THE X RESOURCE 16: A Practical Journal of the X Window System.

Four Head Xinerama
Modern Xinerama example
xmonad 's xinerama support: tiling on three screens simultaneously.