Linux? What's Linux? To understand what Linux is you have to understand a few other terms first.
Operating System aka OS. An operating system is the software that runs on your computer and talks to the machine and the programs you run on your computer. Operating systems are available in different versions for different platforms. A platform is a family of operating systems. They usually run on specific types of hardware (computer systems). Windows is a platform. Macintosh is a platform. Linux is a platform. Unix is a platform. Of course its not really that simple. Linux and Macintosh are variations of Unix. And Linux has several variations as well. These are sort of like versions - but they may be by different companies or organizations.
So Linux is a platform. Linux is usually installed on PC computers - the kind you run Windows on. There are many varieties of Linux. Some of the most popular are RedHat, Ubuntu, Debian, Fedora and Suse. These are operating systems. Why should you consider Linux? Here are a few good reasons why non-profits and churches should look at Linux: