The usage of the Linux basic command swapoff
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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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