title: What does "sudo ./xampp-linux-x64-5.6.3-0-installer.run" do?
body: <p>I know what sudo does I just have no idea what "./" does I have done a bunch of research and have come up empty. What does this the <code>“./”</code> do  in <code>“sudo ./xampp-linux-x64-5.6.3-0-installer.run”</code> do in the Linux terminal? </p>