Access Windows box from Linux
rdesktop
rdesktop is an open source client for Windows Remote Desktop Services, capable of natively speaking Remote Desktop Protocol (RDP) in order to present the user's Windows desktop.
SSH and VNC are platform-indipendent, so you can use them in both directions.
If you want to use the same system in either direction you can run a VNC server on Windows:
- http://www.realvnc.com/products/free/4.1/winvnc.html
- http://www.tightvnc.com/