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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _______________________________________
/ Q: How many IBM CPU's does it take to \
| execute a job? A: Four; three to hold |
\ it down, and one to rip its head off. /
 ---------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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