/var/www/html/exfiles/Chapter13/13_02_btb_sandbox/file_basics.php<br />4<br />/var/www/html/exfiles/Chapter13/13_02_btb_sandbox<br >/var/www/html/exfiles/Chapter13/13_02_btb_sandbox<br />yes<br />yes<br />yes<br />yes<br />no<br />no<br />yes<br />yes<br />