June 28, 2014

Easy File Comparisons With These Great Free Diff Tools

File comparison compares the contents of computer files, finding their common contents and their differences. The result of the comparison is often known as a diff.

diff is also the name of a famous console based file comparison utility that outputs the differences between two files. The diff utility was developed in the early 1970s on the Unix operating system. diff will output the parts of the files where they are different.

Linux has many good GUI tools that enable you to clearly see the difference between two files or two versions of the same file. This roundup selects 5 of my favourite GUI diff tools, with all but one released under an open source license.

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