fdisk
TLDR
List partitions
$ sudo fdisk -l
Start the interactive partition manipulator$ sudo fdisk [/dev/sdX]
SYNOPSIS
fdisk [-l] [-u] [-s partition] [device]
DESCRIPTION
fdisk is a dialog-driven program for managing partition tables and partitions on storage drives. It supports MBR, GPT, SGI, and Sun partition tables.
PARAMETERS
-l, --list
List partition tables for all devices or specified device-u, --units
Display units in sectors (default) or cylinders-s, --getsz partition
Print size of partition in 512-byte sectors-b, --sector-size size
Specify physical and logical sector size-c, --compatibility mode
Specify compatibility mode (dos or nondos)-L, --color
Colorize output-t, --type type
Specify disk label type (dos, gpt, sgi, sun)
INTERACTIVE COMMANDS
m: Display help menu
p: Print partition table
n: Create new partition
d: Delete partition
t: Change partition type
l: List known partition types
w: Write changes and exit
q: Quit without saving changes
g: Create new GPT partition table
o: Create new DOS partition table
CAVEATS
Dangerous: Changes are written when you press 'w'. Double-check before writing. Use parted for partitions larger than 2TB or for GPT tables.
HISTORY
Part of util-linux package. Based on the original fdisk from Minix and early Linux. One of the oldest Linux disk partitioning tools.


