OS Roundup: The UNIX server market is steadily shrinking, yet the three top heavyweights are about to launch new products. It's a dog-eat-dog market, and IBM has already nibbled at Solaris. Is HP-UX the next course for this seemingly large and aggressive mutt?

With its acquisition of Sun having closed, Oracle is deciding what stays and what goes.

Ellison outlines Oracle's open source direction now that the Sun acquisition has closed.

Sun Microsystems advertises the fact that its systems do the heavy work on the Internet, and for once the advertising hype is not out of line with reality. The Sun Solaris operating system -- especially when combined with 64-bit high-performance SPARC-based servers -- has the power and the tools for managing the busiest Web sites.
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