Hi Sir, i am new to MAC os and i am facing some problem while using this ...could you pls help me out with these....i am window friendly from many years and recently switched to MACos .. i am trader by nature so it is quite difficult to me to take the selective screen shots like.. command +Shift+4 is the key but every i have to copy and paste this screen shots but in windows when i click window+shift+s and it automatically copy my select screenshot and easy to paste anywhere....pls help thank you