samba4-clients 4.0.0~alpha8+git20090912-1 (amd64 binary) in ubuntu lucid

 The Samba software suite is a collection of programs that
 implements the SMB protocol for unix systems, allowing you to serve
 files to Windows, NT, OS/2 and DOS clients. This protocol
 is sometimes also referred to as the LanManager or NetBIOS protocol.
 .
 These packages contain snapshot versions of Samba 4, the next-generation
 version of Samba.
 .
 This package contains some client components of the Samba suite. In
 particular it includes the command line utilities smbclient, net,
 and some ACL tools.