What the heck is Linux? I know that it is an operating system. But what is the difference between Windows and Linux? Anyone wanna take a shot at it :guns: and kill the the confusion. Can someone explain what a kernal is ? I wanted to learn how to use Linux but what am I getting myself into? I have a computer that doesn't boot up too well so I wanted to use it as a spare computer. Could I install Linux to practice with on the computer? The computer is fairly old. Would it support an older model computer?