This pulls the bootloader across the network without PXE's complexity.
While 2.50 remains common, UEFI Forum is moving toward and beyond, with a shell that includes Python-like scripting and Rust-based drivers. However, for the billions of PCs and servers built between 2015 and 2022, EFI Shell version 2.50 is the firmware interface you will actually encounter. efi shell version 2.50