cfdisk

Start the partition manager for a specific device

$ sudo cfdisk [/dev/sdX]

$ sudo cfdisk -z [/dev/sdX]

cfdisk [options] device

cfdisk is a curses-based partition table editor. It provides a user-friendly text interface for creating, deleting, and modifying disk partitions.
The tool supports MBR (DOS) and GPT partition tables and displays partition information in an easy-to-read format.

-z, --zero

Start with an empty partition table (useful for new disks)

Colorize output

Display help

Use arrow keys to navigate, Enter to select:
New

Create a new partition

Delete selected partition

Change partition type

Write changes to disk

Exit without writing

Sort partitions by start sector

Changes are only written when explicitly choosing "Write". Incorrectly modifying partitions can cause data loss. Unmount partitions before modifying. Requires root privileges.

fdisk(8), parted(8), gdisk(8)