This system does not support fullscreen mode solution

[athi]

Dos file

 

[hang-the-9]

Correct, Vista and 7 can't run full screen command prompt window.

There are some work-arounds for it though. I have not tried these myself though.

http://www.mydigitallife.info/workaround-to-this-system-does-not-support-full-screen-mode-in-windows-vista/

http://appscout.pcmag.com/microsoft-windows/274205-full-screen-command-prompt-in-vista