Sun unseated as Unix leader?

IBM and Hewlett-Packard have narrowly edged past longtime leader Sun Microsystems in the worldwide market for Unix servers according to some analyst reports.

In the second quarter of 2005, IBM’s Unix server revenue was 31 percent of the $4.3 billion market, according to analyst research firm IDC, while HP had 30 percent and Sun 29.5 percent. Sun has lost its lead in various quarters before, but until now had kept the top rank for the second quarter, the last in its fiscal year and one in which its sales are typically stronger.

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