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How to Check Internet Speed with the Command Line

Learn how to Check Internet Speed with the with clear steps, useful examples, and practical tips. Complete the task correctly and avoid common mistakes.

Table of Contents

This updated guide explains how to Check Internet Speed with the Command Line through clear steps, practical examples, and important checks that help prevent common errors.

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Check Internet Speed with the Command Line example screenshot 1

Note: If you are using Windows , please install Cygwin or Curl or Wget first . For Mac , you can use Curl or Wget .

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Check the Internet Connection Speed by Curl


This way is very simple. You just need to copy and paste into the following command:

curl -o / dev / null http://speedtest. sea01. softlayer. com/downloads/test100. zip

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The first thing to note is that we are using a test file from Softlayer, so if your connection is really fast, you can use a larger file from Thinkbroadband to test results more accurately. The second is that in the above command line, '-o ' is the case of the lowercase letter O rather than the number 0 so you should be careful to avoid confusion. Finally, the file will be exported to / dev / null , meaning that it will automatically disappear without any intervention.

Check the Internet Speed with Wget


If you prefer to use Wget or have 'installed' it, the procedure is the same as above, just paste it into the command line as follows:

wget -O / dev / null http://speedtest. sea01. softlayer. com/downloads/test100. zip

Note that in this way we use -O, ie the capital lettero , as opposed to the above Curl method and the file will also be sent directly to null so we do not need to waste time deleting any files. Believe it.

The file is only 100MB in size, so if your connection is fast enough, you should find a larger file to download to get more accurate results.

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FAQ

What is the easiest way to Check Internet Speed with the Command Line?

Start with the requirements in this guide, then follow each step in order. Check the result after every major change so problems are easier to identify.

Can beginners follow these instructions?

Yes. The process is organized into practical steps, and you can repeat any step before moving forward.

What should I check if the method does not work?

Confirm your software or device version, permissions, settings, file format, and internet connection when the task depends on online services.

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