nt-tan An OS-tan character. The personification of the Windows NT series (Windows NT 3.1 through 4) of operating systems. Variants* Mama-t * Inu-t See also* http://en.wikipedia.org/wiki/Os-tan * http://en.wikipedia.org/wiki/Windows_NT Revision 5 by Anonymous at 2025-04-20 20:26:16.917876