Definition

Red Hat Enterprise Linux (RHEL)

Red Hat Enterprise Linux (RHEL) is a distribution of the Linux operating system developed for the business market. RHEL was formerly known as Red Hat Linux Advanced Server.

RHEL 5 was made available in six versions:

RHEL (formerly called ES, which was sometimes said to stand for economy or entry-level server)
RHEL Advanced Platform (formerly called AS, which was sometimes said to stand for Advanced or Application Server)
RHEL Desktop
RHEL Desktop with Multi-OS option
RHEL Desktop with Workstation and Multi-OS option
RHEL Desktop with Workstation option (former WS)

Software in RHEL 5 distribution includes:

Linux kernel 2.6.18
Apache 2.2.3
MySQL 5.0.22
PHP 5.1.6
PostgreSQL 8.1.4

RHEL is based on free, open source code. Although Red Hat makes its source code available for download, verbatim copying of the distribution is forbidden.

Related glossary terms: Fedora

This was last updated in September 2007

Posted by: Margaret Rouse

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