Read Before Installing HP-UX Virtual Partitions (A.01.01)
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What is vPars?
The vPars (Virtual Partitions) product allows you to run multiple
instances of HP-UX simultaneously on one computer by dividing
the computer into virtual partitions. Each partition is assigned
its own subset of hardware, runs a separate instance of HP-UX,
and hosts its own set of applications. Because each HP-UX
instance is isolated from all other instances, vPars provides
application and OS (Operating System) fault isolation. Each
instance of HP-UX can be of a different release, have different
patches, and have a different kernel.