addpart - tell the kernel about the existence of a partition
addpart device partition start length
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.
The disk device.
The partition number.
The beginning of the partition (in 512-byte sectors).
The length of the partition (in 512-byte sectors).
For bug reports, use the issue tracker at <https://github.com/karelzak/util-linux/issues>.
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/>.