Connectix Virtual PC

What is Connectix Virtual PC
Connectix Virtual PC (renamed Microsoft Virtual PC) is a virtualization suite for Microsoft Windows operating systems, and an emulation suite for Mac OS X on PowerPC-based systems. The software was originally written by Connectix, and was subsequently acquired by Microsoft.

Microsoft Virtual PC
In July 2006 Microsoft released the Windows-hosted Virtual PC 2004 as a free product. In August 2006 Microsoft announced the Macintosh-hosted version would not be ported to Intel-based systems, effectively discontinuing the product as PowerPC-based Macintoshes are no longer manufactured.

Virtual PC virtualizes a standard PC and its associated hardware. Supported Windows operating systems can run inside Virtual PC. However, other operating systems like Linux may run, but are not officially supported. Wikipedia

Connectix Virtual PC for OS/2 was discontinuated the day that Microsoft bought Connectix.