cmp

Compare two files byte by byte. More information: https://www.gnu.org/software/diffutils/manual/html_node/Invoking-cmp.html.

• Output char and line number of the first difference between two files:

cmp path/to/file1 path/to/file2

• Output info of the first difference: char, line number, bytes, and values:

cmp --print-bytes path/to/file1 path/to/file2

• Output the byte numbers and values of every difference:

cmp --verbose path/to/file1 path/to/file2

• Compare files but output nothing, yield only the exit status:

cmp --quiet path/to/file1 path/to/file2