Drupal: where does this tab "Track" come from? -

I have found that in my edit-content pages there is another tab in Drupal.

See the picture:

I really should know by step how can I disable this type of tab

Thanks

Additionally tracker.module (and, as mingos Said, possibly other contrib modules), statistics.module .

A "track" tab has also been added by UPDATE (in nodes): This tab only "Access statistics" permissions for users ", so just allow the permissions of your site Adjust accordingly. As the user # 1 you will always see it, though.

You can of course disable statistics.module .