The slash character (/), depending on its position, has different meanings within a file URL.
Both Git Hub Pages and the Jekyll’s built-in WEBrick server handle these requests properly without any additional work.
where host is the fully qualified domain name of the system on which the path is accessible, and path is a hierarchical directory path of the form directory/directory/.../name.
If host is omitted, it is taken to be "localhost", the machine from which the URL is being interpreted.
The file URI scheme is a URI scheme defined in RFC 8089, typically used to retrieve files from within one's own computer.
Previously the file URI scheme was specified in RFC 1630 and RFC 1738.
Permalinks refer to the URLs (excluding the domain name or directory folder) for your pages, posts, or collections.