| Command Category | Commands | Function | | :--- | :--- | :--- | | | ls , cp , rm , mv , mkdir , cd | Standard file management (similar to DOS/Unix). | | System Info | ver , map , alias , date , time | Displays version (v250), memory map, and time settings. | | Driver Mgmt | drivers , devices , devtree , load | Inspect loaded DXE drivers and device handles. | | Boot Mgmt | bcfg , boot | Modifies boot options in NVRAM and boots from specific handles. | | Memory | mem , mm , dmem | Memory dumping and modification (hex editing). | | Diagnostics | pci , smbiosview | Views PCI devices and SMBIOS tables. | | Network | ifconfig , ping | Basic IPv4/IPv6 network configuration (requires network stack in firmware). |
It is maintained primarily by the TianoCore project, an open-source community that implements Intel’s EFI/UEFI specifications.
Sometimes the shell appears simply because it’s first in the boot priority. : Type exit and hit Enter . efi shell version 250 free
If you need the actual binary file ( Shell.efi ), the safest method is to get it from official development repositories: Visit the official .
Once you boot into the shell, you will see a command prompt. Here are the most common commands you will need to know: help : Displays a list of all available commands. | Command Category | Commands | Function |
Ensure or your primary hard drive/SSD is set as Boot Option #1 .
Rename your downloaded UEFI Shell binary (e.g., Shell_x64.efi ) to . Move BOOTX64.EFI into the USB:\EFI\BOOT\ directory. | | Boot Mgmt | bcfg , boot
Shell> ifconfig -s eth0 dhcp Shell> httpboot http://192.168.1.100/efi/deploy.ipxe
If you see a message saying "Press ESC in 5 seconds to skip startup.nsh," your system is looking for a script that isn't there [7].
The system will execute the binary and drop you into the command prompt interface, usually displaying device mappings ( fs0: , fs1: , etc.). Essential UEFI Shell Commands