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How can I speed up the performance of my OS/2 applications?

A. Many applications written for OS/2 will run faster under a Virtual DOS Machine (VDM), this is because NT allocates more resources to a VDM than to the OS/2 subsystem. You should therefore disable the OS/2 subsystem as follows:

  1. Start the registry editor (regedit.exe)
  2. Move to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager
  3. Double click on GlobalFlag and change from 0 to 20100000. Click OK to save
  4. Close the registry editor and reboot the machine

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