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Swapping is the process of moving all the memory blocks of a processes from main memory to swap space to make space for loading other processes into memory. Unnecessary swapping can severely impact on system performance.

Check swap space[edit]

Unix/Linux command to check swap space utilization:

# swapon -s
Filename                                Type            Size    Used    Priority
/dev/sdb6                               partition       3311900 155444  -1

Also see[edit]

Glossary of Terms
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