1. Windows Server
3.97%
2. Ubuntu
1.91%
3. CentOS
1.32%
4. Debian
0.88%
5. UNIX
0.51%
6. Red Hat
0.12%
7. FreeBSD
0.11%
8. Fedora
0.05%
9. Gentoo
0.01%
10. SUSE
0.01%