Linux Disk Storage Cheat Sheet/Edit a disk with fdisk

Interactive MBR/GPT partitioning for a specific disk.

Section: Partitions and Labels

Edit a disk with fdisk

bash
bash
sudo fdisk /dev/sdb
Explanation

Interactive MBR/GPT partitioning for a specific disk.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Related commands

Same sheet · prioritizing Partitions and Labels
List partition tables
Show disks, sector sizes, partition tables, and partitions.
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Print partition layout with parted
Display partition table details using parted.
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Create a GPT label
Initialize a disk with a GPT partition table.
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Create a new partition
Create a partition aligned for modern disks.
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Ask kernel to reread partition table
Refresh partition table changes without rebooting.
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Dump partition table to a file
Useful for backups and repeatable partition layouts.
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