Undocumented Features of OS/2

By Rick Papo

Overview and Credits

This document is a collection of unofficial information gathered from a variety of sources about system API functions in OS/2 that are not officially documented for various reasons. Rick Papo built

Use this information totally at your own risk. Always test such use thoroughly for suitability in your own application and environment.

The information in this document was discovered or gathered by the following persons:

• Carsten Arnold
• Samuel Audet
• Alessandro Cantatore
• Scott Garfinkle
• Istvan Kovacs
• Alexander Mai
• Bob Markle
• Darren McBride
• Ferenc Pal
• Rick Papo
• Paul Ratcliffe
• Kai Uwe Rommel
• Marco G. Salvagno
• Alexey Smirnov
• Uri J. Stern
• Holger Veit

API Functions

• DosDumpProcess
• DosForceSystemDump
• DosProfile
• DosQProcStat
• DosQueryMemState
• DosQueryModFrom EIP
• DosQuerySysState
• DosReplaceModule
• DosSupressPopUps