Task: Question Answering
Input (English): Context: To minimize the cost , free and open source software packages such as Linux and Scilab are used . Scilab is ported to the embedded ARM - Linux system . The drivers for interfacing Scilab with several communication protocols including serial , Ethernet , and Modbus are developed . Experiments are conducted to test the developed embedded platform . 
Question: Why is the narrator choosing to use Linux ?
Output (English): The narrator likes the price .