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WOW
Last modified: Wednesday, May 12, 2004 

Short for Win16 on Win32, a collection of programs in Windows NT and later operating systems that allows 16-bit applications to run in a 32-bit Windows environment through a process called thunking. Without WOW, Win32 programs cannot communicate with Win16 programs, though the ability to do so is often necessary with legacy systems or when systems use 16-bit applications with newer 32-bit operating systems. WOW is designed to make the differences between 16-bit and 32-bit applications invisible to the user.

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For internet.com pages about WOW . Also check out the following links!

Related Links

Optimizing NT's WOW Subsystem
This 1998 article offers some tips for optimizing NT's WOW subsystem and the applications that use it.

related categories

Memory

Windows

related terms

address space

legacy application

Microsoft Windows

segmented address space

thunk


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