I'm looking to find common lines between two files
$ man comm
NAME
       comm - compare two sorted files line by line

SYNOPSIS
       comm [OPTION]... FILE1 FILE2

DESCRIPTION
       Compare sorted files FILE1 and FILE2 line by line.

       With  no  options,  produce  three-column  output.  Column one 
+contains
       lines unique to FILE1, column two contains lines unique to  FIL
+E2,  and
       column three contains lines common to both files.

       -1     suppress lines unique to FILE1

       -2     suppress lines unique to FILE2

       -3     suppress lines that appear in both files

       --help display this help and exit

       --version
              output version information and exit

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In reply to Re^2: use to files - grep one to eliminate entries from another file. by JavaFan
in thread use to files - grep one to eliminate entries from another file. by newkendall

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