The long waited Redhat Enterprise Linux version 6 with beta tag is released to public. As of now there are so many downloads happening from FTP server of Redhat. Here is the link to download RHEL6 32 arch and 64 arch.
Here is the improved features from Redhat in this release :
Power Management : Tickless kernel and improvements through the application stack to reduce wakeups, power consumption measurement by Powertop, Power Management (ASPM, ALPM), and adaptive system tuning by Tuned, all enhance more efficient system power usage.
Next Generation Networking : Comprehensive IPv6 support (NFS 4, CIFS, mobile support [RFC 3775], ISATAP support), FCoE, iSCSI, and a new and improved mac 802.11 wireless stack.
Reliability, Availability, and Serviceability (RAS) : System-level enhancements from industry collaborations make the most of hardware RAS capabilities and NUMA architectures.
Fine-Grained Control and Management : Improved scheduler and better resource management in the kernel via Completely Fair Scheduler (CFS) and Control Groups (CG).
Scalable Filesystems : Ext4 file system provides support for larger file sizes and significantly reduces repair times over ext3. XFS® is a high-performance file system that supports extremely large files and is optimized for large data transfers.
Virtualization : KVM includes performance improvements and new features, sVirt protects the guest and host from unauthorized access, SR-IOV and NPIV deliver high-performance virtual use of physical devices, and libvirt leverages kernel resource management functionality.
Enterprise Security Enhancement : SELinux includes improved ease of use, application sandboxing, and significantly increased coverage of system services, while SSSD( System Security Services Daemon) provides unified access to identity and authentication services as well as caching for off-line use.
Development and Runtime Support : SystemTap improvements, ABRT is a new framework for simple collection and reporting of bug information, and improvements are made to GCC (version 4.4.3), glibc (version 2.11.1), and GDB (version 7.0.1).
And here the press release from Redhat.