Test internet connection speed in Modicia Linux
Modicia Linux distro has pre-installed tool for testing internet connection speed. Application "TEST SPEED" has it's own shortcut in Main menu ("Internet section"). You can just choose menu item "TEST SPEED" or you can run this connection speed measuring application from terminal.
If you look the properties of shortcut of "TEST SPEED" application in main menu (clicking RightMouseButton), you will see details of shortcut:
and therefore, how to launch an application in terminal:
$ tilix -e speedtest-cli
Result: