Why doesn’t ChromeDriver require Chrome or Chromium?

Of course ChromeDriver requires Chrome or Chromium.

As per ChromeDriver – WebDriver for Chrome ChromeDriver is a separate executable that WebDriver uses to control Chrome.

Now, as per Requirements – ChromeDriver the server expects you to have Chrome installed in the default location for each system as follows:

Chrome_binary_expected_location.png

1For Linux systems, the ChromeDriver expects /usr/bin/google-chrome to be a symlink to the actual Chrome binary.

You can also force ChromeDriver to use a custom location by setting a special capability. You can find the documentation in Using a Chrome executable in a non-standard location

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