1. find lines in a file that contained the word "abracadabra"? 2. encode words in a file, by changing some letters to numbers: a -> 4 o -> 0 (oh to zero) I -> 1 e -> 3 z -> 2 s -> 5 3. print a file on the printer - what command would you use (it won't work on our computer, since it is in a county office, and can't connect to the printer in our lab)? 4. list only the third and fifth field of each line in a file, when the fields are separated by a pipe symbol ("|") 5. Try looking up the following accounts in /etc/passwd. Make sure you find only the account asked for, and no others. kwan kwan1 hale bryan isaacs (What command would you use to do this, and how would you use it?)