To install Samba on AIX 5.3 you will require the Linux Toolbox CD and in order to install the entire set of Samba, you will need the following filesets:

readline-4.3
samba-2.2.7
samba-client-2.2.7
samba-common-2.2.7

Connection to Windows shares is acheived by using the following commands..

SMB connections can be made with:

# smbclient //

[server-name]/[sharename] -U [username]
Shares can be mounted using

# mount -v cifs -n [server-name]/[username]/[password] /[sharename] /[mount-point]