HP-UX: HOWTO: Change IP Address / Hostname / DNS, etc…

This is a part of collection of HP-UX tips from the time I worked as system admin:

Disclaimer:
The information below is the result of my researches in the Internet and of my experiences. It is solely used for my purpose and may not be suitable for others.

How to change the hostname, IP address, DNS Server: # /sbin/set_parms {hostname|timezone|date_time|root_passwd|ip_address|addl_netwrk}

That's all!
-gibb