1.
CentOS
3.98%
2.
UNIX
1.52%
3.
Windows Server
1.16%
4.
Ubuntu
0.46%
5.
Red Hat
0.19%
6.
FreeBSD
0.16%
7.
Debian
0.11%
8.
Fedora
0.03%
9.
Scientific Linux
0.02%