cmp - compare two files
cmp [ -l ] [ -s ] file1 file2 [ skip1 ] [ skip2 ]
The two files are compared. (If file1 is -, the standard input is used.)
Under default options, cmp makes no comment if the files are the same; if
they differ, it announces the byte and line number at which the
difference occurred. If one file is an initial subsequence of the other,
that fact is noted. skip1 and skip2 are initial byte offsets into file1
and file2 respectively, and may be either octal or decimal; a leading 0
-l Print the byte number (decimal) and the differing bytes (octal) for
-s Print nothing for differing files; return codes only.
language-specific message file (See LANG on environ(5).)
Exit code 0 is returned for identical files, 1 for different files, and 2
for an inaccessible or missing argument.
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