Linux commands for testing connectivity and transfer rates

There are quite a few tools that can help test your connectivity on the Linux command line. In this post, we’ll look at a series of commands that can help estimate your connection speed, test whether you can reach other systems, analyze connection delays, and determine whether particular services are available.

ping

The ping command is the simplest and most often used command for doing basic connectivity testing. It sends out packets called echo requests and are packets that request a response. The command looks for the responses and displays them along with how long each response took and then reports what percentage of the requests were answered.

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Source:: Network World – Linux