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This article introduces the relevant knowledge of "the usage of the Linux basic command swapoff". Many people will encounter such a dilemma in the operation of actual cases, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Swapoff

Turn off the swap partition while flushing the cache of the swap partition. When you turn off the swap partition and use the free instruction to view the memory, the swap value is reduced. The scope of this command: RedHat, RHEL, Ubuntu, CentOS, SUSE, openSUSE, Fedora.

1. Grammar

Swapoff [- v] specialfile...

Swapoff-a [- v]

2. List of options

Option

Description

-V |-- version

Display version information

-h |-- help

Show help documentation

-v |-- verbose

Display details during execution

-a |-- all

Close all swap partitions

3. Examples

Close all swap partitions

[root@localhost ~] # swapoff-a / / close all swap partitions

[root@localhost ~] # free / / View memory usage status

Total used free shared buffers cached

Mem: 1659316 678908 980408 0 85608 369308

-/ + buffers/cache: 223992 1435324

Swap: 0 000 / / swap partition is not used

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