Boot Firmware

Output System (BIOS)	is a firmware boot method Link to original
Extensible Firmware Interface (EFI)	is a firmware boot method Link to original
Unified EFI (UEFI)	is a firmware boot order is an open standard independent of any programming language is a version 2 variant of Extensible Firmware Interface (EFI) encapsulates GRand Unified Bootloader (GRUB 2) when a computer is booted, UEFI loads files stored on the EFI System Partition (ESP) to start installing operating systems and various utilities UEFI was a direct replacement for BIOS, and whilst UEFI has been standard for over a decade, it’s commonly referred to as BIOS Link to original
Coreboot	is a boot firmware platform that delivers a lightning-fast and secured boot experience on modern computers and embedded systems it is an alternative to UEFI and legacy BIOS boot firmware Link to original
LinuxBoot	is an open-source alternative to proprietary UEFI firmware Link to original
SeaBIOS	is an open-source implementation of an x86 BIOS, serving as a freely available firmware for x86 systems it supports standard BIOS features and calling interfaces that are implemented by a typical proprietary x86 BIOS Link to original

／var／log marcus chiu