<!-- date: 2002-07-18 -->
<!-- title: Editing Binaries in DOS -->
<!-- tag: Assembly, Programming, DOS, Technology -->
<!-- key: xomdn -->
<p>
  Both MS-DOS and Windows 98 come with a debugger program
  named <code>DEBUG.EXE</code> that make it possible to edit binary
  files without requiring additional tools.  Although the primary
  purpose of this program is to test and debug executable files, it
  can be used to edit binary files too.  Two examples of this are
  shown in this post.  The first example ed