1)   Parallels Workstation for Windows 2.0
Parallels Workstation enables users to run multiple operating systems, including Windows, Linux, FreeBSD, OS/2, eComStation, and MS-DOS, simultaneously on one physical machine without partitioning or rebooting.

 2)   Parallels Workstation for Linux 2.0
Parallels Workstation 2.0 enables users to run multiple operating systems, including Windows, Linux, FreeBSD, OS/2, eComStation, and MS-DOS, simultaneously on one physical machine without partitioning or rebooting.