What Is Cache in Linux?
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Simply put, a cache is a place that buffers memory accesses and may have a copy of the data you are requesting. Usually one thinks of caches (there may be more than one) as being stacked; the CPU is at the top, followed by layers of one or more caches and then the main memory.

What is cache used for?

Cache is a small amount of memory which is a part of the CPU – closer to the CPU than RAM . It is used to temporarily hold instructions and data that the CPU is likely to reuse.

What exactly is cache?

Article Summary. Cached data is information from a website or app that is stored on your device to make the browsing process faster. Cached data saves on loading time, though it occupies space on your device.

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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