Compare two files using linux comm command

Comm Command: (to use this command file must b first sorted like cat file|sort > file1)

for Common : comm -1 -2 file1 file2

Ignore
-1	Ignore File1
-2	Ignore File1
-3	Ignore common data

Example:
File1
1
2
3
4
5

File2
3
4
5
6
7

comm -1 -2 file1 file2 => 3,4,5

comm -1 -3 file1 file2 => 6,7