How can I copy an R chart to the clipboard in Linux -

in windows version of r, can right click on chart , copy clipboard:

> windows(5, 5) > plot(rnorm(100))

enter image description here

in linux, don't same right-clickability, nor menus in graphical window allow me, under windows, save chart under various graphical formats.

i know can png("filename.png", 5, 5) example file out, can copy x11 or cairo graphical device output clipboard in r windows?

WIKI