For some, an operating system is a tool that is used to get things done in an efficient and personalized way. For others, it's this nebulous thing they don't understand but know is necessary to use a PC. To some, it's an art; to others, it's an abstract. The operating system is actually all of those things. It's a necessary abstraction that makes it possible for users to interact with hardware so they can get things done, all while allowing some to treat the creation...
