![]() ![]() ![]() I entered “booting menu”, and then, I chaged booting device to where I want to boot. So, When I used server of SSD with the CentOS, sometimes I would boot into EFI shell mode or normal booting mode.Īt that time. This is what I understad when I dealt with server of SSD. I think some device has nor memory, So user can do programming on this nor memory to do something in firmware level.Īt that time, user have to use the EFI shell. EFI shellĮxtensible firmware interface (EFI) brings new flexibility and opportunities to users by allowing them to work in the layer between their OS and BIOS, without altering either one. UEFI firmware loads files stored on the EXP to start installed operating systems and various utilities.Īn ESP needs to be formatted with a files system. The EFI Sytem partion(ESP) is a partition on a data storage device (usually a hard disk drive or solid-state drive) that is used by computer adhering to the unified Extensible Firmware Interface (UEFI). ![]() I am going to summarize those things ! EFI So, before I forget the keyword and concept. I experienced a various thing that I didn’t know whan I was in univercity. ![]()
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