[root@svr011m /usr/ports/net/samba36-devel]# /usr/local//bin/net rpc user info v.martynovsky
Enter root's password:
Domain Users
Domain Admins

[root@svr011m /usr/ports/net/samba36-devel]# /usr/local/bin/net groupmap list
Replicators (S-1-5-32-552) -> Replicators
Domain Admins (S-1-5-21-19384788-3651282130-1111111111-512) -> Domain Admins
Domain Users (S-1-5-21-19384788-3651282130-1111111111-513) -> Domain Users
Domain Guests (S-1-5-21-19384788-3651282130-1111111111-514) -> Domain Guests
Domain Computers (S-1-5-21-19384788-3651282130-1111111111-515) -> Domain Computers
Administrators (S-1-5-32-544) -> Administrators
Account Operators (S-1-5-32-548) -> Account Operators
Print Operators (S-1-5-32-550) -> Print Operators
Backup Operators (S-1-5-32-551) -> Backup Operators
Users (S-1-5-32-545) -> 101

[root@svr011m /usr/ports/net/samba36-devel]# id v.martynovsky
uid=10287(v.martynovsky) gid=500 groups=500,512(Domain Admins),513(Domain Users)