---
name: "addpart"
section: "8"
platform: "linux"
package: "util-linux"
version: "2.42.4-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/addpart"
---

# addpart(8)

tell the kernel about the existence of a partition

## NAME

addpart - tell the kernel about the existence of a partition

## SYNOPSIS

**addpart** *device partition start length*

## DESCRIPTION

**addpart** tells the Linux kernel about the existence of the specified partition. The command is a simple wrapper around the "add partition" ioctl.

This command doesn’t manipulate partitions on a block device.

## PARAMETERS

*device*

The disk device.

*partition*

The partition number.

*start*

The beginning of the partition (in 512-byte sectors).

*length*

The length of the partition (in 512-byte sectors).

**-h**, **--help**

Display help text and exit.

**-V**, **--version**

Display version and exit.

## SEE ALSO

[**delpart**(8)](/delpart/8.md), [**fdisk**(8)](/fdisk/8.md), [**parted**(8)](/parted/8.md), [**partprobe**(8)](/partprobe/8.md), [**partx**(8)](/partx/8.md)

## REPORTING BUGS

For bug reports, use the *issue tracker* \<https://github.com/util-linux/util-linux/issues\>.

## AVAILABILITY

The **addpart** command is part of the util-linux package which can be downloaded from *Linux Kernel Archive* \<https://www.kernel.org/pub/linux/utils/util-linux/\>.