Comparing is a Good Thing. File comparison is a process in the computing universe. It is the process of automatic comparing between files on a file system. The results of comparisons are generally displayed to the user and can be used to complete tasks in networks, file systems and revision control. Some examples of file comparison utilities include FileMerge and Microsoft File Compare.
Meet the creators. Most file comparison tools find the longest common subsequence between two files. Some tools find the longest increasing subsequence between two files. Prior to file comparison software, there were machines to compare magnetic tapes or punch cards. For example the IBM 519 Card Reproducer was able to determine whether a deck of punched cards were equivalent. There is also a system to compare the check sums of loaded sections of FORTRAN programs to debug compilation problems on specific IBM computers. There are many different types of file comparison software like Softinterface Diff Doc, Altova Diff, Araxis Merge, Beyond Compare, EC Merge and Compare It. They are created by different companies engaged in this business. Some of them are established companies like...
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