Preboot Execution Environment
Standard for booting from a server / From Wikipedia, the free encyclopedia
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In computing, the Preboot eXecution Environment, PXE (most often pronounced as /ˈpɪksiː/ pixie, often called PXE Boot/pixie boot.) specification describes a standardized client–server environment that boots a software assembly, retrieved from a network, on PXE-enabled clients. On the client side it requires only a PXE-capable network interface controller (NIC), and uses a small set of industry-standard network protocols such as DHCP and TFTP.
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The concept behind the PXE originated in the early days of protocols like BOOTP/DHCP/TFTP, and as of 2015[update] it forms part of the Unified Extensible Firmware Interface (UEFI) standard. In modern data centers, PXE is the most frequent choice[1] for operating system booting, installation and deployment.