What is texconfig-texmfmain?

[Rafael R. Pappalardo]

In the QuickInstall instructions the texconfig-texmfmain program is mentioned.
I cannot find it in my tetex-3.0 installation. Could you tell me how the get it?

Sincerely,

Dr. Rafael R. Pappalardo
Physical Chemistry Dept., Univ. de Sevilla (Spain)