Chapter XIII Exercise 10: clean Exercise 10 Turn-in directory : er10 Files to turn in : clean Allowed functions : None Notes : /a In a file called clean place the command line that will search for all files in the current directory as well as in its sub-directories with a name ending by - or a name that starts and ends by #. The command line will show and erase all files found. Only one command is allowed: no ' or '&& or other shenanigans. man find 18