You are interested in comparing favorite foods with your two friends Claude and Eustace. Create three fi les named: me, claude, eustace. Each of the fi les contains fi ve lines in sorted order, each...

You are interested in comparing favorite foods with your two friends Claude and Eustace. Create three fi les named: me, claude, eustace. Each of the fi les contains fi ve lines in sorted order, each of which has the name of a food. Using only two Unix commands, display a list of those foods that appear in all three lists. Hint: You may need to create a temporary fi le.