OS/2 subsystem

Definition of OS/2 subsystem in The Network Encyclopedia.

What is OS/2 subsystem?

A component of the Microsoft Windows NT operating system running in user mode that supports the running of OS/2 1. x text-based applications on Windows NT. The OS/2 subsystem is rarely used and is not compatible with the OS/2 Presentation Manager graphical user interface.

In Windows 2000, OS/2 subsystem can be used only on a local computer, and can’t be used from a Terminal Server client computer