$ curl cheat.sh/

# swapon
# Enables device or file for swapping.
# More information: <https://manned.org/swapon>.

# Get swap information:
swapon -s

# Enable a given swap partition:
swapon /dev/sdb7

# Enable a given swap file:
swapon path/to/file

# Enable all swap areas:
swapon -a

# Enable swap by label of a device or file:
swapon -L swap1

$

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