The trailing dot in an organization name indicates that the name is a fully qualified NIS+ domain name. Without the trailing dot, the organization name is an NIS+ domain name to be resolved relative to the NIS+ root domain.
For example, if the NIS+ root domain is doc.com., with a subdomain sales.doc.com., the following pairs of names refer to the same organization:
Table 21-4 Example of Relative and Fully Qualified Organization Names Under NIS+| Relative Name | Fully Qualified Name | 
|---|---|
| org/ | org/doc.com. | 
| org/sales | org/sales.doc.com. | 
The name org/manf. (with trailing dot) would not be found, because there is no NIS+ domain with just the manf. name.