Despite predictions that NT’s rise would ensure Unix’s demise, last year showed that co-existence is the more likely near-term fate for both operating systems. “I do not foresee Unix going by the wayside. NT doesn’t have the robustness,” said Susan Whitney, general manager of worldwide systems sales, IBM, Armonk, N.Y.
Unix vendors, most notably Sun Microsystems Inc., responded to NT’s popularity with lower-cost servers that competed with Intel-based systems directly and with multiprocessing products whose performance was out of the range of NT’s growing market share.
“It’s a broad-based approach from being down in the low end all the way up to machines that the PC world can’t even conceive of yet,” said Anil Gadre, vice president of corporate marketing for Sun, Mountain View, Calif.
There were winners and losers on both the NT and Unix sides of the midrange server market, defined as servers with two to 30 processors.
Tandem Computers Inc., Cupertino, Calif., which in 1997 tied its fate more tightly to NT, made the most impressive leap in sales, growing 1,800 percent to $304 million, excluding its host-based systems.
Not all vendors fared so well under the NT banner. Compaq Computer Corp., Houston, appreciated Tandem’s feat enough to buy the company in …