Good Gear Guide
In pictures: Ubuntu impresses in test of Linux ser...
The five Linux servers we tested -- SUSE Enterprise Server 11 Service Pack 2, Mandriva Business Server 1.0, ClearOS 6 Professional, Red Hat Enterprise Linux 6.4 and Ubuntu 12.04 LTS -- offer commercial support options. The advantages include LTR (Long Term Release) versions of the software, improved interoperability, application support and legal protection.
In pictures: Ubuntu impresses in test of Linux servers