search for: next_subnet_including_unicast

I'm aim to set up a file server that is separate from my SAMBA PDC. I've had no problem setting file server up, and joining it to he domain using smbpasswd. Can I use winbind with a SAMBA PDC or is it meant only for Windows NT servers. When creating shares on this file server, I need to allow permissions to various groups and or users. How can I do this. Do I need to set up NIS? Thank