OS/2 Version 2.0, Volume 1: Control Program

This document is intended to provide readers with an understanding of the functions provided by the Control Program component in OS/2 Version 2.0 and its implementation. The document should enable readers to make an evaluation of the OS/2 Version 2.0 product and its components.

The document contains information on the implementation of operating system functions such as task management, memory management, and the 32-bit application programming interfaces provided by OS/2 Version 2.0. Information is also provided on hardware support and interrupt management, application debugging aids within the operating system, and the support for multiple bootable fixed disk partitions. The document also discusses preinstallation planning considerations, and the migration of existing applications from 16-bit versions of OS/2 to OS/2 Version 2.0.

This document is intended for:

• Planners and technical support personnel who require an understanding of the internal function implementation in OS/2 Version 2.0.
• Programmers who wish to develop applications which use the 32-bit application programming interfaces and extended flat memory model provided under OS/2 Version 2.0, and/or wish to migrate applications from previous versions of OS/2.