Job Recruitment Website - Immigration policy - Which of the following linux distributions will charge a service fee?

Which of the following linux distributions will charge a service fee?

The Red Hat. Linux distribution is free to install, but enterprises will charge a service fee when using redha, and they can get paid services, technical support and version upgrades. Linux is a free and open source UNIX-like operating system, which was first released by Torvalds of Lin Nasi at 199 1 10.