Why do you consider Opera as a best hotel operating system?

 I would like to thank you for the beginning of the invited me to answer your question                                                                                        

- It operates under theWindows operating system

- It has more options

- Allocation of powers for each section separately

- Attached to atraining system to learn how to work on it

AS for me I operated by two system ( fedelio and opera V 05.0) and i don't another system and i think opera is the best to check your work