fdisk

Additional Notes

fdisk is a disk and filesystem command used to view and edit disk partition tables. It provides an interactive menu for creating, deleting, resizing, and modifying disk partitions. It supports MBR and GPT partition tables.

Syntax

fdisk [options] [device-or-path]

Parameters

• options: Flags that change how fdisk behaves.
• device: Disk, partition, volume, or filesystem path to inspect or modify.
• target: Mount point, file, or storage object used by the operation.

Common Options

• -l: List partition tables.
• -s PARTITION: Print partition size in sectors on some systems.

Examples

sudo fdisk -l
sudo fdisk /dev/sdb

Practical Notes

Partition changes can destroy data. Make sure you are working on the correct disk.