Southwest Asia's main religion is Islam. Judaism is the main religion in Israel. Israel is the homeland for Jewish people.
Yes, because one system would have to much power and be able to have full control and do whatever they want. This would lead to corruption and tyranny.
The answer is Linux is an example of a popular open source operating system. The Linux open-source operating system, or Linux OS, is a generously distributable, cross-platform operating system based on Unix that can be installed on PCs, laptops, netbooks, mobile and video game consoles, servers, supercomputers and tablet devices.