Command Prompt in full screen mode in Windows Vista and Windows 7

Hi everyone,
I came to know that we can use command prompt in windows vista and windows 7 by installing dosbox software.
I tried in Windows XP .. Its not that much user friendly .. we need to mount the drives first then we have to use it. Please try in your system and let me know, how it worked for you.
Going to home for 10 days .. See you later .. Happy Dasara ..