Help for this page
key1 key3 key4 key6 ...
key2 key3 key4 key5 ...
cmpcol -i file1 file2
cmpcol -u file1 file2
cmpcol -x1 file1 file2 # what's uniq to file1 cmpcol -x2 file1 file2 # what's uniq to file2 ... key2 <2 key5 <2 key6 <1