ODOC: About cmp command
Compares two files and tells you what line numbers are different.
cmp [-c] [-i N] [-l] [-s] [-v] firstfile secondfile
-c -> Output differing bytes as characters.
-i N -> Ignore differences in the first N bytes of input.
-l -> Write the byte number (decimal) and the differing bytes (octal) for each difference.
-s -> Write nothing for differing files; return exit statuses only.
-v -> Output version info.
firstfile -> First file that you wish to compare.
secondfile -> Second file that you wish to compare to.
praveen@praveen-desktop:~$cmp file1.txt file2.txt
Compares file1 to file2 and outputs results. Below is example of how these results may look.
praveen@praveen-desktop:~$file.txt file2.txt differ: char 1011, line 112