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1. "ipconfig" (Internet Protocol configuration) is a console application program of some computer operating systems that displays all current TCP/IP network configuration.

2. "ipconfig /all" it show all the information about your network adapter, you will need to use the /all parameter.

3. "ipconfig /renew" orders your DHCP client to renegotiate an IP address lease with the DHCP server on your router.

4."ipconfig /release" is executed to force the client to immediately give up its lease by sending the server a DHCP release notification.

5. "ipconfig /flushdns" it clear any IP addresses or other DNS records from your cache

6. "ipconfig /displaydns" shows the DNS resolver cache of your system

7. "ipconfig /registerdns" registers all DHCP leases and re-registers DNS names for all your system's network adapters.

8."ipconfig /showclassid Adapter"

9. "ipconfig /setclassid Adapter"

10. "ipconfig /?"

11. ping: used to troubleshoot connectivity, reachability, and name resolution.

ping for not reachable address

12. tracert: it is used to find no. of hops to reach the destination host.

13. nslookup: (also known as Name Server Lookup) Command Line utility helps to get the name server information of a particular host.

nslook -type= A google.com The A DNS Record usually holds a 32 bit IPv4 address, whereas the AAAA DNS Record holds a 128 bit IPv6 address.

14. netstat: Network statistics command is a networking tool used for troubleshooting and configuration, that can also serve as a monitoring tool for connections over the network.

15. netstat -a: Display all active TCP connection.

16. netstat -e: Display ethernet statistics such as number of byte and packet sent and received.

17. netstat -n: it display address and port in numerical form

18. netstat -o: display TCP connection and includes the process ID for each connection

19. netstat -p: proto may be any of the TCP UDP TCPv6 UDPv6

20. netstat -s:

21.netstat -r: it display the content of IP routing table.

22. arp -a An ARP cache is a collection of Address Resolution Protocol entries that are created when an IP address is resolved to a MAC address.