Red Hat领导着Linux的开发、部署和经营，从嵌入式设备到安全网页服务器，它都是用开源软件作为Internet基础设施解决方案的领头羊。Red Hat由有远见的企业家Bob Young和Marc Ewing创建于1994年，它以源码开发作为营业模型的基础。它也代表了软件开发行业的一次根本转变。软件的原始代码对所有人都可以获得，使用该软件的开发人员可以自由地对其作改进。其结果是迅速的革新。Red Hat解决方案包括Red Hat Linux、开发人员和嵌入式技术，以及培训、管理和技术支持。这份开源革新通过称之为Red Hat Network的Internet平台传递给客户们。Red Hat的总部设在美国北卡罗莱纳州首府罗利。

    Red Hat has announced the availability of a beta release of Red Hat Enterprise Linux (RHEL) 5.3, the third update to the stable RHEL 5 series: "Red Hat is pleased to announce the availability of the beta release of 5.3 for the Red Hat Enterprise Linux 5 family of products. This beta release includes the following improvements: support for up to 126 CPUs in the x86_64 Hypervisor; support for up to 1 TB memory per host on x86_64; cluster mirror support (2-leg mirrors only); NetworkManager 0.7; updated graphics drivers; re-based CUPS (print server), now with full Kerberos support; initial implementation of userspace tracing; root and swap encryption support in the installer; hibernate / resume support with encrypted disks; SELinux enablement of new NetworkManager and audit functionality; re-based samba from 3.0.28 to 3.0.32 which supports Windows Vista...." Read the detailed release announcement for a comprehensive list of changes and known issues. This beta release is available to existing RHEL subscribers as an update via the yum update utility or as an ISO image download from Red Hat Networks.（责任编辑：A6）