What is swap memory?

Related questions

1. Do you need Linux swap?
2. What is swap in and swap out in Linux?
3. Is swap really necessary?
4. What happens when swap memory is full?
5. What is swap usage?
6. How much swap space should I allocate?
7. Does 8gb RAM need swap space?
8. What is the swap space in the disk used for?
9. How much swap space should I have?
10. What is swap area Ubuntu?

Tags

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2. #operating
3. #pagefile
4. #pretend
5. #space
6. #system
7. #windows
8. #extension
9. #virtual
10. #allows
11. #actually
12. #memory
13. #computer