When you have two or more text files with similar content, WinMerge can come in handy immediately to help you check the differences between the two files. If you have ever written a program, you will know that when you revise it, it will really trouble your brain to find out what are the differences between the new program code and the old program code. Or you have written more than two text documents with slightly different contents, but it may be quite tiring to check them from the beginning. At this time, you can use...