Z. Your pwd ls sample. Display a detailed listing of all files in the sample and cambridge directories. Your pwd is cambtidge. Copy the security directory into itmp. Your pwd is sample. Make sure that you cannot easily delete any files located in the ~ibackup directory (not shown on diagram) with names that have a .bak extension. You do not know your pwd. Create three directories called one, two and three in the admin directory. Directories one and two need to be directly in admin, while directory three needs to he in the two directory. Your pwd is programming. Duplicate outline.doc into programming directory. Make sure the new file is hidden. Your pwd is markham. Ensure that you have full access to the sample directory, while group can list files in that directory but not change it. Your pwd is ~. Duplicate hidden les from your pwd with names not ending with a digit into the sample directory. Your pwd is stenion. Copy les block'l and block3 into your home directory