[Samba] where do Domain Admins and Domain user group in UNIX box?

[SHARADAMABA N]

Hello,

The setup is -

Samba 2.2 is configured as a Primary Domain Controller
on Solaris, and one NT workstation is included in that
Domain.

Now - 

1.  where we can see "Domain Admins" and "Domain
Users" groups in Unix box? 

2. How do we add user to these "Domain Admins" and
"Domain Users" groups?

Best Regards,

sharada

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