In this guide, we’ll show you how to use sort and uniq together to deduplicate, count, and summarize log file entries in Linux with practical examples.
You’re staring at a log file with 80,000 lines. The same error repeats 600 times in a row. grep gives you a wall of identical output. You don’t need to read all 80,000 lines – you need to know which errors occurred and how many times each one appeared. That’s exactly what sort and uniq solve, and most Linux beginners don’t know they go together.
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