Oracle Enterprise Linux是由Oracle公司提供支持的企业级Linux发行。据项目网站称，Oracle以Red Hat Linux做为起始，移除了Red Hat的商标，然后加入了Linux的错误修正。Oracle Enterprise Linux现在是，并旨在保持为，与Red Hat Enterprise Linux完全兼容。
Oracle has announced the release of Oracle Enterprise Linux 5 Update 4, an enterprise-level distribution based on Red Hat Enterprise Linux 5.4: "Oracle is pleased to announce the general availability of Enterprise Linux Release 5 Update 4 for x86 (32-bit) and x86_64 (64-bit) architectures. This update includes the following kernel/driver changes: bug fixes added by Oracle - check to see if hypervisor supports memory reservation change, add Entropy support to IGB, add Xen pv/bonding netconsole support, shrink zone patch, fix aacraid not to reset during kexec, fix failure of file creation from hpux client; fixes and additions from the upstream distribution provider - a new tunable parameter has been added to the kernel, allowing system administrators to change the maximum number of modified pages kupdate writes to disk...." Read the rest of the release announcement for a complete technical changelog. Oracle Enterprise Linux 5 Update 4 is available for free download from the company's E-Delivery page (after filling in a short registration form).