domainname Command

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Purpose

Displays or sets the name of the current Network Information Service (NIS) domain.

Syntax

/usr/bin/domainname [ DomainName ]

Description

The domainname command displays or sets the name of the current NIS domain. If you do not specify a parameter, the domainname command displays the name of the current NIS domain. A domain typically encompasses a group of hosts under the same administration.

Only the root user can set the name of the domain by giving the domainname command an argument.

Security

Attention RBAC users: This command can perform privileged operations. Only privileged users can run privileged operations. For more information about authorizations and privileges, see Privileged Command Database in Security. For a list of privileges and the authorizations that are associated with this command, see the lssecattr command or the getcmdattr subcommand.

Examples

  1. To join a new domain, enter: 
    domainname caesar
    In this example, the domainname command sets the NIS domain name to caesar.
  2. To find out the name of the domain your machine belongs to, enter: 
    domainname