In the quest to understand the free file compare tool you constantly see up for sale in the market, there is a need to understand the concept of file comparing. So, what exactly is fine comparing?

In the computer world, there is actually a type of software that specializes in the complicated process of comparing files. Technically, what this software does is it points out the differences that are determined in two files. The software actually indicates the changes that have been made for each line, especially where text files are concerned. The file comparison utility that is responsible for the display of such changes is what is known as the ‘diff’. The diff is actually the output of the whole process. Another term for this is the ‘patch’, primarily because what is known as a program patch actually brings out the output. So, when you hear the word diff, especially when you are dealing with jargon, you can then look at it as a verb. The literal meaning for this would then be to calculate differences. Interestingly, the first diff utility was actually developed as far back into the early portion of the 70s. It was the UNIX operating system that utilized the diff first. The utility was developed inside the AT

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