Linux is an open source project, which means that its code is available to study, modify, and share.
Linux is widely used in cloud infrastructure, desktops and laptops, and consumer devices.
You can interact with a Linux system by using a command-line terminal or a Graphical User Interface (GUI).
Linux distributions are built for specific purposes. However, learning one distribution can help you feel more comfortable using any distribution.
Red Hat Enterprise Linux is a stable, long-term support operating system developed by Red Hat.