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This article mainly introduces how to use the swapon command in Linux, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand.

Linux common command swapon command is used to activate the swap space in the Linux system, and the memory management of the Linux system must use the swap area to establish virtual memory.

Swapon activates swap space in Linux system

Syntax swapon (option) (parameter) option-a: boot all devices set to swap in the / etc/fstab file as the exchange;-h: display help;-p: specify the priority of the exchange;-s: display the use of the exchange;-V: display version information. Parameter swap space: specify the swap space that needs to be activated, which can be swap files and swap partitions, and if it is a swap partition, specify the device files corresponding to the swap partition.

Example mkswap-c / dev/hdb4 (- c is to check for bad blocks) swapon-v / dev/hdb4 swapon-s Filename type Size Used Priority / dev/hda5 partition 506008 96-1 / dev/hdb4 partition 489972 0-2 Thank you for reading this article carefully I hope the article "how to use swapon commands in Linux" shared by the editor will be helpful to everyone. At the same time, I also hope that you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

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