Linux is without doubt the most secure kernel out there, making Linux based operating systems secure and suitable for servers. To be useful, a server needs to be able to accept requests for services from remote clients, and a server is always vulnerable by permitting some access to its ports.

Do most servers run Linux?

It’s hard to pin down exactly how popular Linux is on the web, but according to a study by W3Techs, Unix and Unix-like operating systems power about 67 percent of all web servers. At least half of those run Linux—and probably the vast majority.

What percentage of servers run Linux?

In 2019, the Windows operating system was used on 72.1 percent of servers worldwide, whilst the Linux operating system accounted for 13.6 percent of servers.