Here is the URL format, again:
The path is relative to a root directory that the host computer has designated to be the start of all Web page path names. For example, on the computer that hosts these pages, the root directory is:
With the following URL:
...the host will look for the following file on its hard drive:
Note: URLs use the Unix-style forward slash ("/"). Microsoft operating systems use the backward slash ("\"). URLs are uniform across all operating systems, so always use the forward slash.
Usually the root directory contains a home page that is called something
If a URL does not include a path, then the host will send the home page.
implicitly asks for the file