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This article will explain in detail how to use the file as a Swap partition, the content of the article is of high quality, so the editor will share it for you as a reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

Use a file as a Swap partition

1. Create a file to be a swap partition: increase the 1GB size of the swap partition, and the command is written as follows, where the count is equal to the number of blocks you want (bs*count= file size).

# dd if=/dev/zero of=/root/swapfile bs=1M count=1024

two。 Format to swap partition file:

# mkswap / root/swapfile # build the file system of swap

3. Enable swapping partition files:

# swapon / root/swapfile # enable swap files

4. To enable the system to power on itself, add a line to the file / etc/fstab:

/ root/swapfile swap swap defaults 0 0

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