hp unix help

HPUX takes manuals and manuals. There are at least 2 dozen manuals that come with the OS when you purchase it.

Do a search in your browser for "hpux certification" and you'll get many hits and a self assessment / practice test or two:

http://www.hp.com.sg/education/hpux_test_2.htm

Or for $99 USD you can join a tutorial site that has many online tutorials in unix and other OSes/applications to choose from:

http://tutorials.findtutorials.com/index/category/92