mkswap command on Linux (creates swap)
The mkswap command on Linux prepares the device to be used as a virtual memory area (swap).
The device argument will generally be a disk partition (something like /dev/sdb7), but it can also be a file.
It’s not exactly necessary for the partition to be of type Swap - Type 82 on fdisk - but it’s good if the partition is of type 82.
After creating the swap disk with the mkswap command, it is necessary to activate it with the “swapon” command and put it in /etc/fstab so that the partition is used as a swap after the system restarts.
Example of use:
Setting up swapspace version 1, size = 2097148 KiB
no label, uuid=a873901e-5b33-4c78-84f5-e9eeadd9fba3 Once created, the swap partition can be activated:
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