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Invoking `cmp'
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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.
* Menu:
* cmp Options Summary of options to `cmp'.