As Arun had asked, how do your Linux machines talk to the Samba machine?
Shares are mounted as mount.cifs ...................user=xxx,pass=xxx,uid=0,gid=0
Any problem with uid gid? By the way linux machines are running slax and puppy linux, and it has only root user.
Warm Regards, Mukund Deshmukh, Beta Computronics Pvt Ltd, 10/1 IT Park, Parsodi, Nagpur -440022.