Unified Extensible Firmware Interface (UEFI)

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Unified Extensible Firmware Interface (UEFI)

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Definition

The Unified Extensible Firmware Interface (UEFI) and its predecessor Extensible Firmware Interface (EFI) describe the central interface between the firmware, the individual components of a computer and the operating system.
It sits logically below the operating system and is the successor to the PC BIOS, focussing on 64-bit systems. One component of current UEFI versions is Secure Boot, which restricts booting to previously signed boot loaders and should therefore prevent malware or other unwanted programmes from starting.

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References

1. Wikipedia: https://en.wikipedia.org/wiki/UEFI
2. Wikidata: Unified Extensible Firmware Interface (Q859398)

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