How to change display to black and white on demand?

[Cybe R. Wizard]

On Sun, 25 Dec 2011 22:54:13 +0200
Dotan Cohen <dotancohen at gmail.com> wrote:

> Is there any way to change the display to black and white on the fly?
> I use Kubuntu 11.10 with xorg 1.10.4 and KDE 4.7. I tried finding a
> monitor setting for enabling black and white, however I could not find
> one.
> 
> Note that this question originally appears on SuperUser, but as there
> was no reply there I crosspost to the *buntu experts!
> http://superuser.com/questions/371494/how-to-change-display-to-black-and-white-on-demand
> 
> Thanks! Merry Christmas and happy Chanukah to all!
> 
Easy, peasy; Ctrl-Alt-F1

(I know it's not what you want.  I'm interested in your question, too,
but thought I'd poke you just for fun)

Cybe R. Wizard
-- 
Strength through Unity.
Unity through faith.
	Adam Sutler