More than 20 years ago, HP introduced the first successful commercial UNIX server, the HP 9000 Series 840, as well as the first x86 server, the HP SystemPro.

ENGADGET: HP Moonshot server class leaves concept, to power commercial-grade internet of the future

"We've been focusing on Digital customers for the last three years, and certainly in the last nine months our activity has picked up, " says Les Wilson, systems marketing manager for HP's Unix business.

FORBES: Bon apptit!

Sun, whose sophisticated Unix servers and data center gear competes with HP on the high end, could be hurt as well.

FORBES: Chief Executive Mark Hurd