Internal Characters

What is an Internal character? To be an Internal character, these conditions must be fulfilled:

1) The methods they use must be related to Dos Mugen,Winmugen,Mugen 1.0 or Mugen 1.1.

2) The files that can be executed must not be executed manually.

3) When using command line, they must be used inside Dos Mugen, Winmugen, Mugen 1.0 or Mugen 1.1.

4) Processes that are opened can only be opened in Dos Mugen, Winmugen, Mugen 1.0 or Mugen 1.1.