The Comman is the communication software, which you can use for connecting
of two ports of the computers (serial, paralel, IP, or file).
You can choose any port (or file) for input and any port (or file) for output.
Comman can send an answering message as a reaction to concrete incomming message.
Comman can send a concrete sequence of commands as a reaction to incomming message.
You can designe a control panel with colored (or pictured) buttons.
Every button can have special parameters (what to proceed, when to start...).
Main commands and guide...