The /etc/nodename file contains one entry: the host name of the local system. For example, on system sys11, the /etc/nodename file contains the entry sys11. This file establishes the canonical name for the system for applications.
The /etc/inet/hosts file
The /etc/nodename file
The /etc/hostname.interface file
The /etc/net/ticlts/hosts file
The /etc/net/ticots/hosts file
The /etc/net/ticotsord/hosts file
Note:The /etc/net/*/hosts files are referenced by the Transport layer interface(TLI)