They can leave Moskito G SHARP in many kinds which partially differ in the effect.
An easy finishing
This offers the quickest way 
-Icon. It finishes Moskito G SHARP, however, they must finish before all active functions like zoom, lines grasp or similar, and in the protocol window the last line "must give order:" are. The Workfile is stored on the hard disk, and by the next start all plans will be again in the state in which you have left the programme.
The menu point Datei|Beenden is identical with the Icon.
As the other you can give instead of the menus the accompanying order in the input line: EOJ.
To memories of window positions
If you Moskito G SHARP about the system menu, or about him 
-Knopf.verlassen, almost exactly the same happens. However, in addition, the position of the open windows is stored. If you begin Moskito G SHARP now again, all windows as for example graphic arts and input window are built up in the same position in which they have been with the abandonment.
Finish during running functions
There are situations in which you would like to leave Moskito from a state which collides with the possibilities described on top. If Moskito is, e.g., in the middle of a protracted calculation, you can finish the programme with the menu point Bearbeiten|Unterbrechen|Verlassen, nevertheless. The Workfile is written and with it the last exhausted program state is protected.