Johnathan has just started an on-line shopping company with 3 staff. Each staff have his/her own desktop computer for work. With limited budget, Johnathan wants to install Linux, an open source operating system in all the computers. (a) What is the function of an operating system? (2 marks) (b) What is the difference between freeware and shareware? (4 marks) (c) Johnathan said that as Linux is an open source operating system, no license is needed. Is he correct? Justify your answers. (4 marks) (d) Johnathan also needs to buy an office productivity software for his staff. Which kind of license needs to be registered for his company? (2 marks) (e) In the long run, Johnathan also needs to analyze all the data collected for business development. Recommend the type of software he would need with justification. (8 marks)