User`s guide

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VM Virtual Machine. A VM is a software entity that runs its own operating
systems and applications, as if it were a physical computer. A VM behaves
exactly like a physical computer and contains its own virtual (software
based) CPU, RAM, hard disk, and NIC. An operating system installed on a
VM is called a guest operating system.
vNIC Virtual Network Interface Card - An Ethernet interface, provided without a
physical NIC.
W
WWNN World Wide Node Name
WWPN World Wide Port Name