EFI SHELL COMMANDS - Quick Reference

Author : Bibith Dathan

EFI SHELL COMMANDS

Shell Boot Commands

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autoboot     -- View or set autoboot timeout variable

bcfg         -- Displays/modifies the driver/boot configuration

boottest     -- Set/View BootTest bits

clearlogs     -- Clears FPL and SEL logs

dblk         -- Displays the contents of blocks from a block device

lanboot     -- Performs boot over lan from EFI Shell

mount         -- Mounts a file system on a block device

reset         -- Resets the system

tftp         -- Tftp to a bootp/dhcp enabled unix boot server

vol         -- Displays volume information of the file system

Shell  Configuration Commands

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cpuconfig     -- Deconfigure or reconfigure cpus

date         -- Displays the current date or sets the systemdate

err         -- Displays or changes the error level

esiproc     -- Make an ESI call

errdump     -- View/Clear logs

info         -- Display hardware information

monarch     -- View or set the monarch processor

palproc     -- Make a PAL call

salproc     -- Make a SAL call

time         -- Displays the current time or sets the system time

ver         -- Displays the version information

Shell Device Commands

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baud         -- Set serial port com settings

connect     -- Binds an EFI driver to a device and starts the driver

devices     -- Displays the devices being managed by EFI drivers

devtree     -- Displays the tree of devices of the EFI Driver Model

disconnect     -- Disconnects one or more drivers from a device

dh         -- Displays the handles in the EFI environment

drivers     -- Displays the list of drivers of the EFI Driver Model

drvcfg         -- Invokes the Driver Configuration Protocol

drvdiag     -- Invokes the Driver Diagnostics Protocol

guid         -- Displays all the GUIDs in the EFI environment

lanaddress     -- Display LAN MAC addresses

load         -- Loads and optionally connected EFI drivers

loadpcirom     -- Loads a PCI Option ROM

map         -- Displays or defines mappings

openinfo     -- Displays the protocols on a handle and the agents

optload     -- Lists all optional ROM-based efi drivers and apps

pci         -- Displays PCI devices or PCI function config space

reconnect     -- Reconnects one or more drivers from a device

unload         -- Unloads a protocol image

Shell Memory Commands

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default         -- Sets, Resets, or Clears default NVM values

dmpstore     -- Displays all NVRAM variables

dmem         -- Displays the contents of memory

memmap         -- Displays the memory map

mm         -- Displays or modifies MEM/IO/PCI

pdt         -- View or set page deallocation table

Generic Shell Commands

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alias         -- Displays, creates, or deletes aliases in the EFI shell

attrib         -- Displays or changes the attributes of files or directories

cd         -- Displays or changes the current directory

cls         -- Clears the standard output with an optional background color

comp         -- Compares the contents of two files

cp         -- Copies one or more files/directories to another location

edit         -- Edits an ASCII or UNICODE file in full screen

eficompress     -- Compress a file

efidecompress     -- Compress a file

exit         -- Exits the EFI Shell

help         -- Displays help menus, command list, or verbose help of a command

hexedit     -- Edits with hex mode in full screen

ls         -- Displays a list of files and subdirectories in a directory

mkdir         -- Creates one or more directories

mode         -- Displays or changes the mode of the console output device

mv         -- Moves one or more files/directories to destination

rm         -- Deletes one or more files or directories

set         -- Displays, creates, changes or deletes

EFI environment variables

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setsize     -- Sets the size of the file

touch         -- Updates time with current time

type         -- Displays the contents of a file

xchar         -- Turn on/off extended character features

Shell Script Commands

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echo         -- Displays messages or turns command echoing on or off for/endfor -- Executes commands for each item in a set of items

goto         -- Makes batch file execution jump to another location if/endif -- Executes commands in specified conditions

pause         -- Prints a message and suspends for keyboard input

stall         -- Stalls the processor for some microseconds