What Is Swap Space in Linux?
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Swap space in Linux is used when the amount of physical memory (RAM) is full. If the system needs more memory resources and the RAM is full, inactive pages in memory are moved to the swap space. … Swap space is located on hard drives, which have a slower access time than physical memory.

What is swap space?

Swap space is a space on hard disk which is a substitute of physical memory. It is used as virtual memory which contains process memory image. Whenever our computer run short of physical memory it uses it’s virtual memory and stores information in memory on disk.

Do you need swap space Linux?

Having swap space is always a good thing. Such space is used to extend the amount of effective RAM on a system, as virtual memory for currently running programs. But you can’t just buy extra RAM and eliminate swap space. Linux moves infrequently used programs and data to swap space even if you have gigabytes of RAM..

Elena Rostova

Elena Rostova

Lead Health, Wellness & Medical Journalist

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.

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