Uniq, comm and join 3 Linux command for the CLI

These small commands are not so known, but i think they can do miracles for you when you have to work from the terminal on text files and you need to compare them, or do operation on lines inside 1 file or merge 2 files applying some criteria.

In this article I’ll show you the most common options for these commands and some practical examples on how to use them.

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