About RHEL

Red Hat enterprise Linux is a Linux distribution produced by Red Hat



In past, Redhat  Linux was free and open source Linux distribution.
In 2004 it became a commercial Linux distribution under the name of  "Red Hat Enterprise Linux"


Red Hat Enterprise Linux is an enterprise platform well-suited for a broad range of applications across the IT infrastructure. 


After making it commercial, Red Hat started a new project for free community Linux called fedora.




So Red Hat is picking up stable fedora distribution which is tested OK by community and developing
Enterprise (commercial) Linux distribution.





Red Hat Linux 6.2                 Red Hat Linux 6.2E
Red Hat Linux 7.2                 Red Hat Enterprise Linux 2.1
Red Hat Linux 9                   Red Hat Enterprise Linux 3
Fedora Core 3                     Red Hat Enterprise Linux 4
Fedora Core 6                     Red Hat Enterprise Linux 5
Fedora 13                         Red Hat Enterprise Linux 6




There are some variants of red hat enterprise Linux :


In Red Hat Enterprise Linux 5 there are new editions that substitute former Red Hat Enterprise Linux 
Red Hat Enterprise Linux Advanced Platform (AS)
Red Hat Enterprise Linux ( ES) (limited to 2 CPU-s)
Red Hat Enterprise Linux Desktop with Workstation and Multi-OS option
Red Hat Enterprise Linux Desktop with Workstation option ( WS)
Red Hat Enterprise Linux Desktop with Multi-OS option
Red Hat Enterprise Linux Desktop ( Desktop)

red hat is also offering red hat certification program. This site is containing in depth information about rhel and other enterprise Linux distributions for server and workstation.