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Finally, the Program Comparison display can help track multiple changes to the source code. In medium to large computer data centers, it is not uncommon to have many programmers working on the same applications systems. This can cause confusion when you want to review the changes that occurred between different versions of programs or their source code. A large number of programmers working on the same applications systems could indicate inadequate management control of program changes.
If a large number of programmers are working on one program, use the Program Comparison display (5.6) to compare each test version of the program to the version in production. This shows you the updates that each programmer incorporated. Later, you can compare the final update program to the production version to verify that the correct updates were made.
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