Question: 1. Write a shell script that will take an input file and remove identical lines (or duplicate lines from the file). (5 Marks) 2.

1. Write a shell script that will take an input file and remove identical lines (or duplicate lines from the file). (5 Marks) 2. Write a shell script that takes a name of the folder as a command line argument and produces file that contains the name of all subfolders with size 0. (5 Marks) 3. Discuss the operations and management of operating systems. (5 Marks)

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