What is swap usage?

Related questions

1. Does 8gb RAM need swap space?
2. Why swap space is used in Linux?
3. How much swap space should I have?
4. What is swap in and swap out in Linux?
5. Is swap really necessary?
6. How much swap do I need?
7. What is swap area Ubuntu?
8. What is the swap space in the disk used for?
9. What is the purpose of swap space?
10. What will happen if I delete pagefile sys?

Tags

1. #refers
2. #virtual
3. #percentage
4. #store
5. #space
6. #being
7. #pages
8. #memory
9. #temporarily
10. #inactive
11. #usage
12. #crucial
13. #physical
14. #monitor
15. #currently
16. #safety
17. #because