snippetbashTip

resize2fs — Resize an ext2, ext3, or ext4 filesystem. Does not resize the underlying partition. The filesystem m

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

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commandresize2fsext3resizeext4clifilesystemext2

linux

Problem

How to use the resize2fs command: Resize an ext2, ext3, or ext4 filesystem. Does not resize the underlying partition. The filesystem may have to be unmounted first, read the man page for more details. More information: <https://manned.org/resize2fs>.

Solution

resize2fs — Resize an ext2, ext3, or ext4 filesystem. Does not resize the underlying partition. The filesystem may have to be unmounted first, read the man page for more details. More information: <https://manned.org/resize2fs>.

Automatically resize a filesystem to its maximum possible size:

resize2fs {{/dev/sdXN}}

Resize the filesystem to a size of 40G, displaying a progress bar:

resize2fs -p {{/dev/sdXN}} {{40G}}

Shrink the filesystem to its minimum possible size:

resize2fs -M {{/dev/sdXN}}

Code Snippets

Automatically resize a filesystem to its maximum possible size

resize2fs {{/dev/sdXN}}

Resize the filesystem to a size of 40G, displaying a progress bar

resize2fs -p {{/dev/sdXN}} {{40G}}

Shrink the filesystem to its minimum possible size

resize2fs -M {{/dev/sdXN}}

Context

tldr-pages: linux/resize2fs

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