Question: Given some text, display only the third column of data, sorted (alphabetically) in ascending order. Suppress duplicate values. The columns in this one are comma

Given some text, display only the third column of data, sorted (alphabetically) in ascending order. Suppress duplicate values. The columns in this one are comma separated. You will use cut and then sort, and only cut and sort for this one. Again, use a pipe.

I need help with this question for Linux. tcsh is currently being used, thank you.

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