(1) A user's desktop that comes from the server. See
desktop virtualization and
thin client.
(2) A desktop that extends beyond the boundaries of the screen. See
virtual screen.
(3) Several desktops in one user machine, where each desktop offers a different group of applications. Available for Windows, Mac and Linux, multiple desktops reduce the number of applications on the taskbar. For example, an architect might set up one desktop for CAD and related programs and another for business applications.