Your results contain 9 solutions with the following criteria :

LINUX & BSD Operating systems
Solution Smile rating Users rating Popularity
Debian Debian 4.8 Smile 4.0 Visitors
59%   Popularity on the site
Fedora logo Fedora No rating 4.5 Visitors
10%   Popularity on the site
freebsd FreeBSD 4.0 Smile 4.2 Visitors
28%   Popularity on the site
netbsd NetBSD 3.3 Smile No rating
14%   Popularity on the site
suse Novell Suse Enterprise Linux 4.0 Smile No rating
12%   Popularity on the site
OpenBsd OpenBSD 3.3 Smile No rating
15%   Popularity on the site
OpenMandriva logo OpenMandriva No rating No rating
9%   Popularity on the site
Red Hat Red Hat Enterprise Linux 4.3 Smile 4.7 Visitors
21%   Popularity on the site
ubuntu Ubuntu 4.2 Smile 3.9 Visitors
38%   Popularity on the site