Did you know ping?

So basically ping is a command line utility which is available on any operating systems like ubunto, windows etc with network connectivity. So main question might be that whats the use of ping its been used to test the reachability of host on the IP that is Internet Protocal Network You can try this command in ur terminal ping google.com . You know when a sound hits a solid surface it echos back in the same way we can describe the mechanism of the ping commond it basically sends an echo request.If it finds the target system the remote host sends back a echo reply . When a ping command is issued a echo request packet is send to address specified. When the remote host recieves the echo request it responses with echo reply packet.