The Samba package provides the ability to connect to Windows fileshares. You can use the basic 'mount' command to get access:
mount -t smbfs -o username=username,password=password //win-box/network/share /path/to/mount/point
You can test to see if you have samba working:
smbclient -L windows-box -U username
If the above doesn't give you what you expect, you can install Samba following the instructions for software installation for your distro.
There are lots of instructions on Google for connecting to a Windows share from a Linux box if this is insufficient.