“In a 188-page statement of facts filed Wednesday, Caldera
presented evidence it said supports its claims that Microsoft tried
to eliminate DR-DOS as a rival to MS-DOS by illegally tying MS-DOS
to Windows and misleading users into thinking DR-DOS and Windows
were incompatible.
“Caldera also claims that Microsoft used misleading product
announcements, known as “vaporware,” to dampen sales of DR-DOS,
made false and misleading statements about DR-DOS to create
uncertainty about the product, and used “per-processor” and other
exclusionary licensing terms to block out DR-DOS…”