Comparing two files in linux terminal

Question

I have 2 files called "a.txt" and "b.txt" both have the list of words. Now I need to check which words are extra in "a.txt" and are not in the "b.txt".

I wanted an efficient algorithm as I wanted to compare 2 dictionaries.

Answer 1

If you have vim installed, try this:

vimdiff file1 file2

or

vim -d file1 file2

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