snippetbashTip

swapon — Enable devices and files for swapping. Note: `path/to/file` can either point to a regular file or a

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

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commanddevicesfilesandcliswaponenablefor

linux

Problem

How to use the swapon command: Enable devices and files for swapping. Note: path/to/file can either point to a regular file or a swap partition. More information: <https://manned.org/swapon.8>.

Solution

swapon — Enable devices and files for swapping. Note: path/to/file can either point to a regular file or a swap partition. More information: <https://manned.org/swapon.8>.

Show swap information:

swapon

Enable a given swap area:

sudo swapon {{path/to/file}}

Enable all swap areas specified in /etc/fstab except those with the noauto option:

sudo swapon {{[-a|--all]}}

Enable a swap partition by its label:

sudo swapon -L {{label}}

Code Snippets

Show swap information

swapon

Enable a given swap area

sudo swapon {{path/to/file}}

Enable all swap areas specified in `/etc/fstab` except those with the `noauto` option

sudo swapon {{[-a|--all]}}

Enable a swap partition by its label

sudo swapon -L {{label}}

Context

tldr-pages: linux/swapon

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