
\Scomm\S:  Examples

        comm report.1 report.2

    Compares "report.1" and "report.2" and lists the lines only in "report.1"
    in column 1, those only in "report.2" in column 2.  The lines that the
    files have in common are in column 3.

    ---------------------------------------------------------------------------

        comm -12 - report.2

    Compares "report.2" to standard input and prints only the lines that are
    identical.



    ---------------------------------------------------------------------------

        comm -23 report.1 report.2 >change

    Compares "report.1" and "report.2" and sends the lines that are only in
    "report.1" to the file called "change".
