UCE ( unsolicited commercial email) underline attributes text applying (Word 2002) undo feature presentations (PowerPoint) Undo Typing command (Edit menu) undoing actions in documents (Word 2002) cell actions Excel 2002 Uniform Resource Locators, [See URLs] unlocking unfrozen systems 2nd unsolicited commercial mail (UCE) unsolicited email 2nd updating virus-scanning applications URLs (Uniform Resource Locators) addresses entering in Address Bar (Internet Explorer) previously visited deleting from Web browsers locating in Web browsers syntax 2nd user IDs creating user interfaces ( Windows OS) Menu bar scrollbars Status bar Title bar Toolbar windows closing 2nd maximizing 2nd minimizing 2nd resizing switching between