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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/  There was once a programmer who was    \
| attached to the court of the warlord of |
| Wu. The warlord asked the programmer:   |
| "Which is easier to design: an          |
| accounting package or an operating      |
| system?"                                |
|                                         |
| "An operating system," replied the      |
| programmer.                             |
|                                         |
| The warlord uttered an exclamation of   |
| disbelief. "Surely an accounting        |
| package is trivial next to the          |
| complexity of an operating system," he  |
| said.                                   |
|                                         |
| "Not so," said the programmer, "when    |
| designing an accounting package, the    |
| programmer operates as a mediator       |
| between people having different ideas:  |
| how it must operate, how its reports    |
| must appear, and how it must conform to |
| the tax laws. By contrast, an operating |
| system is not limited my outside        |
| appearances. When designing an          |
| operating system, the programmer seeks  |
| the simplest harmony between machine    |
| and ideas. This is why an operating     |
| system is easier to design."            |
|                                         |
| The warlord of Wu nodded and smiled.    |
| "That is all good and well, but which   |
| is easier to debug?"                    |
|                                         |
| The programmer made no reply.           |
|                                         |
| -- Geoffrey James, "The Tao of          |
\ Programming"                            /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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