Scientific Linux affectionately calls Red Hat "The Upstream Vendor" or TUV for short.
This is the documentation from TUV for Enterprise 6.
 Cluster Administration 
 Cluster Suite Overview 
 Deployment Guide 
 Developer Guide 
 DM Multipath 
 Global File System 2 
 Installation Guide 
 Logical Volume Manager Administration 
 Managing Confined Services 
 Managing Single Sign-On and Smart.Cards 
 Migration Planning Guide 
 Power Management Guide 
 Release Notes 6.0 
 Release Notes 6.1 
 Release Notes 6.2 
 Release Notes 6.3 
 Resource Management Guide 
 Security-Enhanced Linux 
 Security Guide 
 Storage Administration Guide 
 System Tap Beginners Guide 
 System Tap Tapset Refernce 
 Technical Notes - 6.0
 Technical Notes - 6.1
 Technical Notes - 6.2
 Technical Notes - 6.3
 Virtualization 
 Virtual Server Administration 
Note: The above documentation is provided {and copyrighted} by Red Hat®, Inc.  The documentation is released via the Open Publication License (V1.0 or later).
Scientific Linux redistributes these original works (in their unmodified form) as a reference for Scientific Linux 6, because Scientific Linux 6 is built from publicly available, open source SRPMS.
Scientific Linux is not affiliated with, sponsored by, supported by, or in any way associated with Red Hat®, Inc..