---
name: "sbattach"
section: "1"
platform: "linux"
package: "sbsigntools"
version: "0.9.5-4"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/sbattach"
---

# sbattach(1)

UEFI secure boot detached signature tool

## NAME

sbattach - UEFI secure boot detached signature tool

## SYNOPSIS

**sbattach** *--attach \<sigfile\> \<efi-boot-image\>*\
 **sbattach** *--detach \<sigfile\>* \[*--remove*\] *\<efi-boot-image\>*\
 **sbattach** *--remove \<efi-boot-image\>*

## DESCRIPTION

Attach or detach a signature file to/from a boot image

## OPTIONS

- **--attach** \<sigfile\>

  set \<sigfile\> as the boot image's signature table

- **--detach** \<sigfile\>

  copy the boot image's signature table to \<sigfile\>

- **--remove**

  remove the boot image's signature table from the original file

- **--signum**

  signature to operate on (defaults to first)