|I get this to work in Windows 7|
Echo Color is set to green on black
It does however alter the color of all of the screen if you omit the CLS.
color 0B sets it to blue on black.
Mobo: Asus P7P55D LE
OS: Microsoft Windows 7 Professional OEM
CPU: Core i5 750 @ 2.67 GHz
RAM: Corsair Dominator DHX+ DDR3 1600MH 4GB
GPU: Sapphire 4870 D