RESIZEPART(8) System Administration RESIZEPART(8)

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

resizepart device partition length

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.


The disk device.


The partition number.


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

-h, --help

Display help text and exit.

-V, --version

Print version and exit.

addpart(8), delpart(8), fdisk(8), parted(8), partprobe(8), partx(8)

For bug reports, use the issue tracker at

The resizepart command is part of the util-linux package which can be downloaded from Linux Kernel Archive

2023-11-03 util-linux 2.39.2