An [[OS-tan]] character.
The personification of the Windows NT series (Windows NT 3.1 through 4) of operating systems.

h4. Variants

* [[Mama-t]]
* [[Inu-t]]

h4. See also

* http://en.wikipedia.org/wiki/Os-tan
* http://en.wikipedia.org/wiki/Windows_NT
WindowsNT NTたん