Sorting and Counting with sort and uniq
sort puts lines in order, and sort -r reverses it. uniq removes repeated neighbouring lines, so you almost always sort first. uniq -c also counts each line.
Sort the counts to find the most common line.
Quick check
Why do you usually run `sort` before `uniq`?
Your turn: write the code
names.txt is created for you with some repeated names. Print each name only once, in alphabetical order. (Checked on the output of your last command.)
Finish the quick check (and any code exercise) to complete this lesson, or mark it done yourself.
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