Red Hat Enterprise Linux (RHEL) is a Linux operating system developed by Red Hat. RHEL is mainly aimed at commercial organisations. RHEL is available on multiple platforms including x86, x86_64, PowerPC, IBM pSeries and IBM System z. RHEL is probably one of the most popular Linux Operating system used by large Enterprises.
RHEL can be downloaded from Red Hat as an evaluation giving you a free 30 day trial.
For further information and to download RHEL, you will need to register on Red Hat’s site:
Many other Linux distributions have been cloned from Red Hat’s Enterprise Linux. These include CentOS and Oracle Linux.