From the eidos forums:
"YES! Commandos 3 has hot keys just like Commandos 2 now!
For all if u who complained about the interface, here is your relief!
link:
http://www3.sympatico.ca/hchen001/MAPEADOINPUT.MSB
Simply put the file in the output folder
EX: C:\Program Files\Commandos 3\Output\
This was made by the comandos fans in China.
V - for the new rifle
Ctrl+S-Quick Save
Ctrl+L-Quick Load
..... exactly like commandos 2
For the hot keys, simply move your mouse on the icons in game to reveal."
Haven't tried it yet but it seems to work.
Iakovos:)