404 Not Found

Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/ FORTUNE PROVIDES QUESTIONS FOR THE      \
| GREAT ANSWERS: #19 A: To be or not to   |
\ be. Q: What is the square root of 4b^2? /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

$output = shell_exec("/usr/games/fortune | /usr/games/cowsay");
echo $output;