This article is from the WINE WINdows Emulator FAQ, by Dave Gardner firstname.lastname@example.org with numerous contributions by others.
As with OS/2, you will be running MS Windows programs under a protected
mode operating system, which brings certain advantages (and some
For instance, there will be crash protection. That is, each MS Windows
application running under Wine will be running in its own X window and its
own portion of reserved memory. If one MS Windows application crashes, it
will not crash the other MS Windows or UNIX applications that you may have
running at the same time.
However, be aware that some applications are "broken" and they access memory
that they haven't properly (or at all) allocated. Under OS/2 or Wine, they
will crash. Under MS Windows, they may work for a period of time, but then
eventually you will have to reboot the machine.
Also, MS Windows programs should run at about the same speed under Wine as
they do under MS Windows.
When Wine is finished, you will be able to run your favorite MS Windows
applications in a UNIX environment. However, be aware that any application
written for MS Windows will run much less efficiently than its native UNIX
For Linux, there is a database of such applications at: