[eddieh]

defaults write -g NSTextKillRingSize -string 4

[lr]

Can you shed some light on how to access those other three from the GUI (whether using the command key or some other means)?

[eddieh]

Sorry forgot some steps...You also have to rebind C-y to 'yankAndSelect:' (https://developer.apple.com/library/mac/documentation/Cocoa/...)

For the most in depth info on the Cocoa Text System: http://www.hcs.harvard.edu/~jrus/site/cocoa-text.html