Adding user to Samba on AIX

edit file
/opt/pware/samba/3.0.24/lib/smb.conf

for each user add something like that
# A private directory, usable only by fred. Note that fred requires write
# access to the directory.
;[fredsdir]
; comment = Fred's Service
; path = /usr/somewhere/private
; valid users = fred
; public = no
; writable = yes
; printable = no

Create user account and set password:
/opt/pware/samba/3.0.24/bin/smbpasswd -a userupi