Consider a file system with the following directory structure. Write down the Unix commands to do the following. Only problems 4, 9 and 10 require you to use a computer. bin etc users john mary staff...

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Extracted text: Consider a file system with the following directory structure. Write down the Unix commands to do the following. Only problems 4, 9 and 10 require you to use a computer. bin etc users john mary staff labs Admin Assistant security apps 1. Ats) Assuming that you are in the root directory, change into the directory Admin using a sırgle command. Cas) Assuming still in Admin, rename the file users.txt in security to role.txt, using a single 2. command without changing into security. 3. pts) Assuming still in Admin, list the last 20 lines of the file logs under apps, using a single command. s) Ats) Assuming still in Admin, copy the file role.txt in security into directory mary, using a 4. single command. In your command, must you state the name role.txt in the mary directory? Find it out yourself by trying on a computer.