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 {{[-b|--print-bytes]}} {{path/to/file1}} {{path/to/file2}}

Output the byte numbers and values of every difference:

cmp {{[-v|--verbose]}} {{path/to/file1}} {{path/to/file2}}

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

cmp {{[-s|--quiet]}} {{path/to/file1}} {{path/to/file2}}