Red Hat Training
A Red Hat training course is available for Red Hat Enterprise Linux
Red Hat Enterprise Linux minor releases are an aggregation of individual enhancement, security and bug fix errata. The Red Hat Enterprise Linux 6.7 Release Notes documents the major changes made to the Red Hat Enterprise Linux 6 operating system and its accompanying applications for this minor release. Detailed notes on changes (that is, bugs fixed and enhancements added) in this minor release are available in the Technical Notes. The Technical Notes document also contains a complete list of all currently available Technology Previews along with packages that provide them.
Capabilities and limits of Red Hat Enterprise Linux 6 as compared to other versions of the system are available in the Knowledge Base article available at https://access.redhat.com/articles/rhel-limits.
Should you require information regarding the Red Hat Enterprise Linux life cycle, refer to https://access.redhat.com/support/policy/updates/errata/.