6 Excellent Linux 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. Typically, diff is used to show the changes between two versions of the same file. Modern implementations also support binary files.