This week, I wanted to take all the comments of reddit (1 terabyte!) compressed to 160 gigabytes and extract the ones from a sub I mod for statistical shenanigans and stuff. I didn't have 1 terabyte available. Doesn't matter on Linux.

It was compressed as bz2. So I piped the data through bunzip2, then through grep to filter out the lines I needed, and redirected it to an output file.

That's the kind of powerful stuff you can easily do on Linux. That's why even if we have all the same GUI stuff Windows have, we still keep the command-line around because it is so damned powerful!