11 Aug 94, Carl Forester writes to All:

 > I'm writing a os/2 text mode full screen app.  I'm trying to get the
 > .EXE file to write to itself.  When I try this I get a "Permission
 > denied" error.  The same routine works great in dos.

OS/2 is not DOS.  When OS/2 loads an executable program, it opens it in a
sharing mode that prevents anyone from writing to it.  That means that a
program can't write to its own executable file.

Not only that, but writing programs that save configuration information in
their exe's hasn't been a good idea for a half-dozen years.  How do you
handle a LAN environment where multiple people want to share the same
executable, but want to configure it differently?

My advice is to use an external configuration file.

- Jon

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