P - Definitions
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P
peer-to-peer network (P2P network)
A peer-to-peer (P2P) network is a network in which each computer functions as a client or server for other computers in the network.
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Preboot Execution Environment (PXE)
The Preboot Execution Environment or PXE (commonly pronounced as pixie) is a client-server environment that enables network computers to boot over the network interface card (NIC), instead of from a CD-ROM or hard disk.
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What is PowerShell and how to use it: The ultimate tutorial
PowerShell is an object-oriented automation engine and scripting language with an interactive command-line shell that Microsoft developed to help IT professionals configure systems and automate administrative tasks.