Computer scienceSystem administration and DevOpsCommand lineText processing

Sorting and deduplication

Theory

Display the duplicates

Report a typo

Display all the duplicates from the /tmp/test.txt file. Please, do not forget to sort the lines first!

Sample Input 1: 

stream
data
computer
stream

Sample Output 1: 

stream
stream
Write a program in Shell
#!/usr/bin/env bash
solve() {
# add your solution here

}
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