Red Hat Enterprise Linux 6 (The H)

The H has a review of RHEL 6. "Heaps of new features become apparent when comparing the RHEL 6 [2.6.32] kernel with the version 2.6.18 kernel of RHEL 5, although more than a few of them are already old hat in many other distributions. For instance, the Completely Fair Scheduler (CFS) highlighted by Red Hat has been part of the Linux kernel since version 2.6.23. The "tickless" kernel, which stops the timer interrupt from going off a hundred or a thousand times per second when a system is idle, is already well-tested. This trick reduces both the power consumption and the basic load of RHEL 6 systems that operate as virtualised guests, which frees up the host CPU for productive tasks."

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