---
name: "efivar"
section: "1"
platform: "linux"
package: "efivar"
version: "39-2"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/efivar"
---

# efivar(1)

Tool to manipulate UEFI variables

## NAME

efivar - Tool to manipulate UEFI variables

## SYNOPSIS

**efivar** \[*OPTION*...\]

## DESCRIPTION

- **-A**, **--attributes=**\<attributes\>

  attributes to use on append

- **-l**, **--list**

  list current variables

- **-p**, **--print**

  print variable specified by **--name**

- **-D**, **--dmpstore**

  use DMPSTORE format when exporting

- **-d**, **--print-decimal**

  print variable in decimal format values specified by **--name**

- **-n**, **--name=**\<guid-name\>

  variable to manipulate, in the form 8be4df61-93ca-11d2-aa0d-00e098032b8c-Boot0000

- **-a**, **--append**

  append to variable specified by **--name**

- **-f**, **--datafile=**\<file\>

  load or save variable contents from \<file\>

- **-e**, **--export=**\<file\>

  export variable to \<file\>

- **-i**, **--import=**\<file\>

  import variable from \<file\>

- **-L**, **--list-guids**

  show internal guid list

- **-w**, **--write**

  write to variable specified by **--name**

### Help options:

- \-?, **--help**

  Show this help message

- **--usage**

  Display brief usage message