Count, Sort, Remove Duplicates: wc, sort and uniq

wc counts lines, words and characters, sort puts lines in order, as text or with -n as numbers, and uniq merges repeated lines that sit next to each other, so sort | uniq -c | sort -rn ranks how often each line appears.

Updated

Cheat sheet for the lesson Count, Sort, Remove Duplicates: wc, sort and uniq: wc counts lines, words and characters, sort puts lines in order, as text or with -n as numbers, and uniq merges repeated lines that sit next to each other, so sort | uniq -c | sort -rn ranks how often each line appears.
Category
Bash
Level
Apprentice
Tags
linux, sort-and-uniq, unix, wc