Linux Command Encyclopedia document editing: Comm

Function Description: Compare two ordered files.

Grammar: comm&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP;" [-123] [--help] [--version] [1th Document] [2nd document]

Supplemental Note: This directive will compare the differences of two sorted files in one column. The results are displayed, and if no arguments are specified, the result is divided into 3 lines: Row 1th is only the column that appears in the 1th file, and the 2nd row is the column that appears only in the 2nd file. Line 3rd is the column that appears in the 1th and 2nd files. If the given file name is "-", the comm instruction reads the data from the standard input device.

Parameters：
-1 does not display columns that appear only in the 1th file.
-2 does not display columns that appear only in the 2nd file.
-3 does not display columns that appear only in 1th and 2nd files.
--help online Help.
--version Displays version information.