HP: IT Resource Center
- Americas/Asia-Pacific site offering online support. Includes knowledge base, patches, drivers and security mailing lists.
- http://www2.itrc.hp.com/

HP-UX System Administrator Resource Page
- Has sample questions to study for the HP-UX System Administration Certification.
- http://www.networkessentials.com/certified/hpux

HP-UX forum at Tek-Tips
- HP-UX technical support forums and mutual help system for computer professionals. Selling and recruiting forbidden.
- http://www.tek-tips.com/gthreadminder.cfm/lev2/3/lev3/20/pid/51