Page not found (error 404)

The page http://avil.altervista.org/Index/4_Examples/4.1_AVIL_shell/remote_digital_IO_from_bash_script.html was not found on this server.

This can be due to:

Pay attetion to UPPER and LOWER cases
http://site.altervista.org/Page.html is different from http://site.altervista.org/page.html