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mkfs.bcachefs — Create a `bcachefs` filesystem inside a partition. See also: `bcachefs`. More information: <https://

Submitted by: @import:tldr-pages·Mar 2, 2026·

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bcachefscreatecommandmkfs.bcachefspartitionclifilesysteminside

linux

Problem

How to use the mkfs.bcachefs command: Create a bcachefs filesystem inside a partition. See also: bcachefs. More information: <https://bcachefs-docs.readthedocs.io/en/latest/mgmt-formatting.html>.

Solution

mkfs.bcachefs — Create a bcachefs filesystem inside a partition. See also: bcachefs. More information: <https://bcachefs-docs.readthedocs.io/en/latest/mgmt-formatting.html>.

Create a bcachefs filesystem inside partition Y on a device X:

sudo mkfs.bcachefs {{/dev/sdXY}}

Create a bcachefs filesystem with a volume label:

sudo mkfs.bcachefs {{[-L|--fs_label]}} {{volume_label}} {{/dev/sdXY}}

Code Snippets

Create a `bcachefs` filesystem inside partition `Y` on a device `X`

sudo mkfs.bcachefs {{/dev/sdXY}}

Create a `bcachefs` filesystem with a volume label

sudo mkfs.bcachefs {{[-L|--fs_label]}} {{volume_label}} {{/dev/sdXY}}

Context

tldr-pages: linux/mkfs.bcachefs

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