RESIZEPART(8) System Administration RESIZEPART(8)

# [NAME](#NAME)

resizepart - tell the kernel about the new size of a partition

# [SYNOPSIS](#SYNOPSIS)

**resizepart** *device partition length*

# [DESCRIPTION](#DESCRIPTION)

**resizepart** tells the Linux kernel about the new size of the specified partition. The command is a simple wrapper around the "resize partition" ioctl.

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

# [PARAMETERS](#PARAMETERS)

*device*

The disk device.

*partition*

The partition number.

*length*

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

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

Display help text and exit.

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

Display version and exit.

# [SEE ALSO](#SEE_ALSO)

[**addpart**(8)](/man/os/util-linux/addpart.8), [**delpart**(8)](/man/os/util-linux/delpart.8), [**fdisk**(8)](/man/os/util-linux/fdisk.8), [**parted**(8)](/man/os/util-linux/parted.8), [**partprobe**(8)](/man/os/util-linux/partprobe.8), [**partx**(8)](/man/os/util-linux/partx.8)

# [REPORTING BUGS](#REPORTING_BUGS)

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

# [AVAILABILITY](#AVAILABILITY)

The **resizepart** 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/>.

2026-09-25 util-linux 2.42.4

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Document: resizepart(8) from util-linux 2.42.4-r0 (Chainguard OS)