[root@mail squirrelmail-1.4.8]# diff --ignore-all-space -qr . /var/www/squirrelmail/ | sort | grep theme Only in ./themes/css: index.php Only in ./themes: README.themes Only in /var/www/squirrelmail/themes/css: dywang.css Only in /var/www/squirrelmail/themes: dywang_theme.php