yes, You need SAMBA!
http://www.samba.org/
Samba is an Open Source/Free Software suite that provides seamless file and print services to SMB/CIFS clients. Samba is freely available under the GNU General Public License...
as a matter of fact samba is the de-facto standard for windows PDC, workgroup, and file and printing sharing on window workgroup... if U don't want to use a windows server..