This is a small command-line utility for setting up and using virtual
desktops.

from the Web page:

	invoke it as vdesk <desktop number> to switch to a desktop,
	or vdesk <desktop number> <window id> ... to move windows
	to a desktop, where desktop 0 means that the window should
	be made sticky.

WWW:  http://azz.us-lot.org/code.html