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swapon:tldr:3f813

swapon: Enable swap by label of a device or file.

swapon

$ swapon -L ${swap1}

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The command "swapon -L ${swap1}" is used to enable a swap partition on a Linux system.

Here's a breakdown of the different parts:

"swapon" is the command used to enable swapping. Swapping is a technique in which idle memory pages are moved from the main memory (RAM) to a dedicated area on the hard drive called the swap space, to free up memory for other processes.
"-L" is an option for the "swapon" command. It specifies that you want to enable a swap partition by using a label instead of a device file.
"${swap1}" is a placeholder for the label name of the swap partition. It indicates that you should replace "${swap1}" with the actual label name of the partition you want to enable as swap. For example, if your swap partition has the label "swap01", you would replace "${swap1}" with "swap01" in the command.

Overall, this command is used to enable a specific swap partition identified by its label, allowing the system to use it for memory swapping purposes.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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