XP has some popular power toys that makes it ace. More often than not you must have used the Open Command Prompt Here in XP. Next used the graphical shell to access the file systems. Then the context menu to open the command prompt at current working directory. Windows 7 ( Vista also) offers a simple trick to make things easier. Let's see  

Its fairly simple. Just press the shift key and select the context menu. You get the command prompt in your current directory. Even if your working directory is a network location, it automatically maps a drive letter. Once you are done you can readily access the file systems.