Linux is a free and open-source operating system that is based on Unix. It was first developed by Linus Torvalds in 1991 and has since grown to become one of the most widely-used operating systems in the world.
It can be run on a wide range of hardware, including personal computers, servers, and mobile devices. It is also highly customizable, with a wide variety of distributions (often called “distros”) available, each with its own set of features and tools.
Some of the popular Linux distributions include:
Ubuntu
A user-friendly distro that is popular for desktop use.
Debian
A stable distro that is popular for servers and embedded systems.
Fedora
A distro that is sponsored by Red Hat and is known for its cutting-edge technology.
Arch Linux
A distro that is popular among advanced users and is known for its rolling release model.
Linux is widely used in enterprise environments, and it is the leading operating system on servers and supercomputers. It also has a large and active community of developers and users who contribute to the development and maintenance of the operating system.
It is also widely used in the cloud, many cloud providers such as AWS, GCP, and Azure offer Linux virtual machines as a service, and Linux is the most common Operating System used in container technology such as Docker.