Samba is an open source, free software suite that provides seamless file and print services between Windows® clients and UNIX®-like platforms. It can be run on a UNIX-like platform like AIX®, BSD® UNIX, Linux®, IBM® 390 and OpenVMS. Samba uses the TCP/IP protocol that is installed in the host server. When configured, this server software allows the host machine to share files and printers and make them accessible from Windows clients.
The following URL provides setup instructionshttp://www.ibm.com/developerworks/aix/library/au-aix_samba/?ca=dgr-lnxw97SambaAIX&S_TACT=105AGX59&S_CMP=GRsitelnxw97