traceroute command in Linux prints the route that a packet takes to reach the host. This command is useful when you want to know about the route and about all the hops that a packet takes. Below image depicts how traceroute command is used to reach the Google(184.108.40.206) host from the local machine and it also prints detail about all the hops that it visits in between.
The first column corresponds to the hop count. The second column represents the address of that hop and after that, you see three space-separated time in milliseconds. traceroute command sends three packets to the hop and each of the time refers to the time taken by the packet to reach the hop.
traceroute [options] host_Address [pathlength]
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