9. Duplicate Image:

You can duplicate an entire image (including all layers, layer masks, and channels) into available memory without saving to disk.

¨       Open the image you want to duplicate

¨       Choose Image > Duplicate.

¨       Enter a name for the duplicated image

¨       To duplicate the image without layers, select Duplicate Merged Layers Only.

¨       Click OK.

Or,

¨       Click on right mouse from the canvas title.

¨       Choose Duplicate.