HP-UX Virtual Partitions Administrator's Guide (includes A.04.04) (previously titled Installing and Managing HP-UX Virtual Partitions)

Installing, Updating, or Removing vPars and Upgrading Servers with vPars
Installing vPars with Software Distributor
Chapter 4
119
Shell> fs0:
fs0:\> hpux
HPUX> boot /stand/vpmon vparload -all
Your system should now be booted with all virtual partitions up.