Specifications

1 Version 2.0
1 Introduction
1.1 Overview
The UEFI Shell environment provides an API, a command prompt and a rich set of
commands that extend and enhance the UEFI Shell’s capability.
1.2 Related Information
The following publications and sources of information may be useful or are referred to
by this document:
Extensible Firmware Interface Specification, Version 1.10, Intel, 2001,
http://developer.intel.com/technology/efi
.
Unified Extensible Firmware Interface Specification, Version 2.0, Unified EFI, Inc,
2006, http://www.uefi.org
.
Intel® Platform Innovation Framework for EFI Specifications, Intel, 2006,
http://www.intel.com/technology/framework/
.
1.3 Terms
EFI
Generic term that refers to one of the versions of the EFI specification: EFI
1.02, EFI 1.10, or UEFI 2.0.
EFI 1.10 Specification
Intel Corporation published the Extensible Firmware Interface
Specification. It has been supplanted by the Unified Extensible Firmware
Interface (UEFI), which is controlled by the UEFI Forum.
GUID
Globally Unique Identifier. A 128-bit value used to name entities uniquely.
Without the help of a centralized authority, an individual can generate a
unique GUID. This allows the generation of names that will never conflict,
even among multiple, unrelated parties.
Protocol
An API named by a GUID as defined by the UEFI specification.