Linux is the foundation of thousands of open source operating systems designed to replace Windows and Mac OS. It is free to download and install on any computer. Because it is open source, there are a variety of different versions, or distributions, available developed by different groups. Follow this guide for basic instructions on how to install any version of Linux, as well as specific instructions for some of the most popular ones.
Linux is an open source and free operating system to install which allows anyone with programming knowledge to modify and create its own operating system as per their requirements. Over many years, it has become more user-friendly and supports a lot of features such as
Reliable when used with servers
No need of antivirus
A Linux server can run nonstop with the boot for many years.
It has many distributions such as Ubuntu, Fedora, Redhat, Debian but all run on top of Linux server itself. Installation of every distribution is similar, thus we are explaining Ubuntu here