Debian 2 [5] Gentoo Linux 3 Mandriva Linux 5 Mac OS X 3 Red Hat Linux / Fedora Core 3 or 5 Slackware Linux 3 Solaris 3 [6] SUSE Linux 5 [7] Ubuntu (Server and Desktop) 2 [5] On the two Linux distributions defaulting to runlevel 5 in the table above,