... User81, and then start Windows Explorer In Windows Explorer, expand the Public\Library folder Create a text document named USER81 in the Library folder Log off Windows XP Professional Log on as ... dialog box Close Windows Explorer, and then log off Windows XP Professional To take ownership of a file Log on as User81, and then start Windows Explorer Select the Public folder Right-click OWNER, ... difference between built-in system groups and built-in local groups found on computers running Windows XP Professional? Give at least two examples of each type of group Built-in local groups give...