Accessing Windows Desktop From linux

Just like "Remote Desktop" in windows we do have software in linux to access the windows desktop.

Alternative of remote Desktop:
rdesktop: A Remote Desktop Protocol Client

You can go through the tutorial here. http://www.netadmintools.com/art237.html

We can also access network share as well as can share your folders in linux too:

First comfigure "samba"
Install "xfsamba" for accessing the network files.
Though you can also install Konqueror with samba support. If you already have the support then you can just access the network files using:

smb://IP_ADDRESS