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GNU Info (diff.info)Invoking cmpInvoking `cmp' ************** The `cmp' command compares two files, and if they differ, tells the first byte and line number where they differ. Its arguments are as follows: cmp OPTIONS... FROM-FILE [TO-FILE] The file name `-' is always the standard input. `cmp' also uses the standard input if one file name is omitted. An exit status of 0 means no differences were found, 1 means some differences were found, and 2 means trouble.
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