Microsoft File Compare
On a Microsoft computing environment,
fc (File Compare) is a command line program that compares multiple files and outputs the differences between them. The
fc command has been included in Microsoft operating systems since MS-DOS 3.3 and is included in all versions of Microsoft Windows.
The command is similar to the Unix commands
fc can compare text files as well as binary files. The latest versions[which?] can compare ASCII or Unicode text. The result of comparisons are output to the standard output. The output of
fc is intended primarily to be human readable and may be difficult to use in other programs.