[MSDN Library April 2000] Implementation of Subsystem (100%)
MSDN Library - April 2000 > Windows Resource Kits > Windows NT 3.51 Resource Kit > Windows NT Resource Kit Volume 1: Resource Guide > POSIX Compatibility
[MSDN Library April 2000] Implementation of the OS/2 Subsystem (89.8026315789474%)
MSDN Library - April 2000 > Windows Resource Kits > Windows NT 3.51 Resource Kit > Windows NT Resource Kit Volume 1: Resource Guide > OS/2 Compatibility
[MSDN Library April 2000] Implementation of Subsystem (70.3497023809524%)
MSDN Library - April 2000 > Windows Resource Kits > Windows NT Workstation 4.0 Resource Kit > Chapter 29 - POSIX Compatibility
[MSDN Library April 2000] Implementation of the OS/2 Subsystem (62.159178187404%)
MSDN Library - April 2000 > Windows Resource Kits > Windows NT Workstation 4.0 Resource Kit > Chapter 28 - OS/2 Compatibility
[MSDN Library April 2000] Implementation of the Subsystem (45.0329585928664%)
MSDN Library - April 2000 > Windows Resource Kits > Windows NT Workstation 4.0 Resource Kit > Chapter 27 - Windows Compatibility and Migration > Compatibility with Windows 3.x