[CentOS] NIS or not?

> No, the other way around.  Microsoft Active Directory sounds a lot
> like LDAP and Kerberos.  Credit where credit is due ...

No, the other way around.  Microsoft Active Directory implements an
LDAP like directory accessible interface for its own directory.

Calling Active Directory "LDAP" is like calling vim `echo "xx" > yy`. If you
are unaware of all the moving parts under Active Directory, it might prove
very informative to explore it.

Credit where credit is due ...

jlc