[R] working with R graphics remotely

[zhihua li]

Hi netters,

Now I'm connecting from my local windows machine to a remote linux machine 
and launch R out there using SSH. When I tried to create grahics, like 
using plot or heatmap, I cannot see the output. Maybe a new R window 
displaying the graphics has popped out in the remote machine? Or I need to 
change some settings for the graphics to display? I don't know. I googled 
it and tried dev.copy but it didn't work. Can anyone help me here? I need 
to be able to see the output graphics and save it to a file (like jpeg)

Thanks a lot!

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