In plain language, Linux hosting is when your site is hosted on a server running a Linux operating system. It’s a favorite because Linux is open-source, highly supported, and extremely stable. It accommodates the shared tools and languages of use throughout the web—such as PHP, MySQL, Python, etc. If you’re using WordPress, Joomla, or Drupal, Linux is generally the way to go. These content management systems were built to be run on it, and they run smoothly.
Source- https://news.vppages.com/why-linux-hosting-is-still-relevant-for-your-website/