I want a linux server, Can someone tell me which server is the best for fast performance? Fedora Core (5,6) Gentoo LiveCD. FREE BSD CENT OS 5 Please help me out Thanks
It depends on your (or server administrator's) skills and knowledge. I am satisfied with Debian (not in your list) and Gentoo.
CentOS 4 is the most popular. It does not really matter, CentOS 5 is just newer. My host told me to stay with CentOS 4.