What is tcpdump and why it is used?

Related questions

1. What is capture file?
2. What is Wireshark and how does it work?
3. How does packet capture work?
4. How do hackers use packet sniffers?
5. Does Tcpdump work on Windows?
6. What is packet sniffing used for?
7. Does VPN prevent packet sniffing?
8. What is the purpose of a sniffer?
9. Does Tcpdump show packets dropped?
10. What is PCAP Wireshark?

Tags

1. #filter
2. #analyzer
3. #widely
4. #tcpdump
5. #which
6. #specific
7. #transferred
8. #interface
9. #packets
10. #command
11. #package
12. #network
13. #based
14. #systems
15. #under
16. #capture
17. #powerful
18. #received
19. #available
20. #linux
21. #sniffer
22. #operating