rpm -ivh http://download.fedora.redhat.com/pub/fedora/linux/core/test/5.90/i386/os/Fedora/RPMS/fedora-release-5.90-1.noarch.rpm
Retrieving http://download.fedora.redhat.com/pub/fedora/linux/core/test/5.90/i386/os/Fedora/RPMS/fedora-release-5.90-1.noarch.rpm
warning: /var/tmp/rpm-xfer.lOYRnS: Header V3 DSA signature: NOKEY, key ID 30c9ecf8
Preparing...                ########################################### [100%]
        file /etc/fedora-release from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
        file /etc/issue from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
        file /etc/issue.net from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
        file /etc/yum.repos.d/fedora-core.repo from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
        file /etc/yum.repos.d/fedora-development.repo from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
        file /etc/yum.repos.d/fedora-extras-development.repo from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
        file /etc/yum.repos.d/fedora-extras.repo from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
        file /etc/yum.repos.d/fedora-legacy.repo from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
        file /etc/yum.repos.d/fedora-updates-testing.repo from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
        file /etc/yum.repos.d/fedora-updates.repo from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
        file /usr/share/firstboot/modules/eula.pyc from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
        file /usr/share/firstboot/modules/eula.pyo from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
        file /usr/share/omf/fedora-release/about-fedora.omf from install of fedora-release-5.90-1 conflicts with file from package fedora-release-5-5
[root@Fedora ~]#