CompAmerica (http://www.compamerica.com) announces a free operating system option for its PCs that it claims bears a reasonable resemblance to Microsoft Windows XP and can cohabitate with Microsoft Windows XP on the same PC. (PRWEB via PR Web Direct) December 13, 2005 — CompAmerica (http://www.compamerica.com) announced a free operating system, called: AX5, which it says very much resembles Microsoft Windows XP ®. The new operating system includes a graphical user interface that CompAmerica claims very much resembles its Windows ® counterpart.