Red Hat Linux and SUSE Linux were the original major distributions that used the RPM file format, which is today used in several package management systems. Both of these later divided into commercial and community-supported distributions. Red Hat Linux divided into a community-supported distribution sponsored by Red Hat called Fedora, and a commercially supported distribution called.. PC - Servers.. Red Hat Linux, OpenSUSE, RHEL, Fedora, CentOS, Oracle Linux, Mageia, PCLinuxOS, Red Hat Enterprise Linux based distributions..