Q:Question:{ print $ 3}^3 Is -1 | awat 'NF > 3{ print $$} Which Unix command exists specifically to delete a directory that is already empty? and coodir erase delete What keyboard key can be used to view previously entered Unix commands? The up-arrow key The SHIPT key The ALT key The TAB key Which Unix command can be used to view the first few lines of a file? peak beginning first head Which Unix command allows you to remap a character set to a differentA:Answer:See a step by step answer