Red Hat spent last week trying to get customers to expect more from Linux, talking up the release of the first version of its operating system based on the 2.6 Linux kernel. Red Hat Enterprise Linux 4 adds a number of security, scalability, desktop, and management features. Linux providers spend a lot of time persuading users that the operating system has all of the capabilities they grew accustomed to over the past few decades with Unix. But Red Hat says it's looking to outdo that predecessor technology on several levels. Red Hat Enterprise Linux 4, for example, includes SE Linux security features that provide a level of security previously available only in specialized "trusted" versions of Unix. The latest version of Red Hat is a move to marry high-level security features with the basic operating system. Such features include mandatory access-control capabilities to lock down user permissions and improved buffer management.
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