Differencre between two text files to a third text file
I want the difference of two text files(a.txt & b.txt) into a third text file(c.txt).
i.e. New or Differert rows of a.txt compared to b.txt
c.txt should be like>
I tried comm,but man says that the files have to be sorted in order to use comm. I dont want to sort the files.
Thanks in Advance